/* ============================================================
   koll — 现代樱花玻璃主题
   设计令牌 → 基础 → 组件 → 页面 → 响应式
   ============================================================ */

:root {
  /* 色彩 */
  --bg: #fdf7fa;
  --bg2: #ffffff;
  --bg3: #fdf2f8;
  --surface: linear-gradient(145deg, rgba(255, 255, 255, 0.74) 0%, rgba(255, 255, 255, 0.44) 48%, rgba(255, 236, 247, 0.5) 100%);
  --surface-strong: linear-gradient(145deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.64) 46%, rgba(255, 241, 249, 0.68) 100%);
  --glass-bg: linear-gradient(145deg, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0.42) 48%, rgba(255, 233, 246, 0.5) 100%);
  --glass-bg-strong: linear-gradient(145deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.64) 48%, rgba(255, 240, 249, 0.7) 100%);
  --glass-border: rgba(214, 51, 132, 0.22);
  --glass-edge: rgba(255, 255, 255, 0.46);
  --glass-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42), inset 0 0 0 1px rgba(255, 255, 255, 0.12), inset 0 -18px 30px rgba(236, 72, 153, 0.08), 0 12px 32px rgba(214, 51, 132, 0.12);
  --glass-filter: blur(1.2px) saturate(182%) contrast(1.1);
  --border: rgba(214, 51, 132, 0.14);
  --border-strong: rgba(214, 51, 132, 0.3);
  --accent: #ec4899;
  --accent2: #d6336c;
  --pink: #f472b6;
  --violet: #a78bfa;
  --gold: #f5a524;
  --text: #33121f;
  --muted: #a1798c;
  --success: #10b981;
  --danger: #ef4444;

  /* 旧页面引用过的别名（勿删，admin/upload/profile 内联样式依赖） */
  --primary: var(--accent);
  --text2: var(--text);
  --bg-secondary: var(--bg3);
  --card-bg: var(--surface-strong);

  /* 渐变 */
  --grad-accent: linear-gradient(135deg, #ec4899 0%, #f472b6 55%, #c084fc 120%);
  --grad-accent-hover: linear-gradient(135deg, #d6336c 0%, #ec4899 55%, #a855f7 120%);
  --grad-text: linear-gradient(120deg, #d6336c 0%, #ec4899 45%, #a855f7 100%);

  /* 圆角 & 阴影 */
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(214, 51, 132, 0.05), 0 2px 8px rgba(214, 51, 132, 0.06);
  --shadow: 0 2px 6px rgba(214, 51, 132, 0.06), 0 10px 30px rgba(214, 51, 132, 0.12);
  --shadow-lg: 0 4px 12px rgba(214, 51, 132, 0.08), 0 24px 60px rgba(214, 51, 132, 0.18);
  --ring: 0 0 0 3px rgba(236, 72, 153, 0.16);

  /* 动效 */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.25s;
  --slider-duration: 250ms;
  --page-transition-duration: var(--slider-duration);
  --page-motion-duration: 240ms;
  --page-fade-duration: 460ms;
  --card-enter-duration: 380ms;
  --page-transition-enter-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --page-transition-exit-ease: cubic-bezier(0.7, 0, 0.84, 0);
  --page-opacity-ease: cubic-bezier(0.25, 0, 0.2, 1);
  --page-enter-start-opacity: 0;
  --page-exit-end-opacity: 0;
  --page-element-enter-x: 0px;
  --content-enter-x: 0px;
  --content-enter-y: 16px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  overflow-y: scroll;
  overflow-x: hidden;
  scrollbar-gutter: stable;
  background: linear-gradient(160deg, #fce7f3 0%, #fdf7fa 40%, #f3e8ff 100%);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'HarmonyOS Sans SC', 'Microsoft YaHei UI', 'Microsoft YaHei', sans-serif;
  background: transparent;
  isolation: isolate;
  color: var(--text);
  width: 100%;
  min-height: 100vh;
  overflow-x: clip;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.page-ready { background-color: transparent; }

.main,
.auth-wrap,
.admin-layout {
  max-width: 100%;
}

html.page-enter-left,
html.page-enter-right,
html.page-exit-left,
html.page-exit-right,
body.page-enter-left,
body.page-enter-right,
body.page-exit-left,
body.page-exit-right {
  overflow-x: clip;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: url('/icons/background.png') center/cover no-repeat;
  transform: translateZ(0);
}

/* 背景柔光罩：提升前景可读性，营造景深 */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 12% -5%, rgba(255, 255, 255, 0.55), transparent 60%),
    radial-gradient(800px 600px at 95% 10%, rgba(252, 231, 243, 0.5), transparent 65%),
    linear-gradient(180deg, rgba(255, 250, 253, 0.25), rgba(255, 248, 252, 0.05) 40%);
}

::selection { background: rgba(236, 72, 153, 0.22); }

/* 细滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(214, 51, 132, 0.22);
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background-color: rgba(214, 51, 132, 0.4); }

#kanban-girl {
  position: fixed;
  bottom: 0;
  right: 20px;
  width: 240px;
  z-index: 999;
  pointer-events: none;
  filter: drop-shadow(0 12px 24px rgba(214, 51, 132, 0.18));
  view-transition-name: kanban-girl; /* 跨页过渡时看板娘保持稳定 */
}

a { color: inherit; text-decoration: none; }

img { display: block; max-width: 100%; }

button { font-family: inherit; }

a,
button,
input,
select,
textarea,
[role="button"] {
  -webkit-tap-highlight-color: transparent;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
  outline: none;
  box-shadow: none;
}

:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }

/* ============ 导航栏 ============ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255, 250, 253, 0.6);
  backdrop-filter: saturate(182%) contrast(1.08);
  -webkit-backdrop-filter: saturate(182%) contrast(1.08);
  border-bottom: 1px solid rgba(214, 51, 132, 0.1);
  box-shadow: 0 1px 20px rgba(214, 51, 132, 0.06);
  height: 62px;
  view-transition-name: site-nav; /* 跨页过渡时导航栏保持稳定 */
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.nav-logo {
  font-size: 1.35rem; font-weight: 900; letter-spacing: -0.02em;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  transition: filter var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.nav-logo:hover { filter: brightness(1.15); transform: scale(1.04); }
.nav-links {
  position: relative;
  display: flex;
  gap: 4px;
  isolation: isolate;
}
.nav-links::before,
.upload-mode-tabs::before,
.mobile-bottom-nav::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: var(--slider-w, 0px);
  height: var(--slider-h, 0px);
  border-radius: 999px;
  opacity: var(--slider-opacity, 0);
  pointer-events: none;
  transform: translate3d(var(--slider-x, 0px), var(--slider-y, 0px), 0);
  transition: none;
  z-index: 0;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.34) 36%, rgba(236, 72, 153, 0.18) 100%);
  border: 1px solid var(--glass-border);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.86),
    inset 0 -16px 22px rgba(236, 72, 153, 0.11),
    0 9px 24px rgba(214, 51, 132, 0.17);
  backdrop-filter: saturate(185%) contrast(1.12) brightness(1.03);
  -webkit-backdrop-filter: saturate(185%) contrast(1.12) brightness(1.03);
  backface-visibility: hidden;
  will-change: transform, width, height, opacity;
}

/* Readability pass for liquid glass surfaces. */
.genre-tabs {
  gap: 8px;
}
.genre-tab {
  min-height: 34px;
  padding: 7px 18px;
  color: #8f526c;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.58);
  border-color: rgba(255, 255, 255, 0.78);
}
.genre-tab:hover:not(.active) {
  color: #d6336c;
  border-color: rgba(236, 72, 153, 0.38);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.86),
    inset 0 -10px 18px rgba(236, 72, 153, 0.1),
    0 10px 22px rgba(214, 51, 132, 0.14);
}
.genre-tab.active {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(236, 72, 153, 0.86), rgba(244, 114, 182, 0.72) 58%, rgba(192, 132, 252, 0.62));
  border-color: rgba(255, 255, 255, 0.84);
  text-shadow: 0 1px 6px rgba(120, 20, 70, 0.28);
}
.sort-select {
  color: #33121f;
  font-weight: 800;
}
.section-title {
  color: #6f4256;
  font-weight: 900;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.62);
}
.card-title {
  color: #24101a;
  font-weight: 900;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.66);
}
.card-artist,
.card-charter,
.rating-num,
.card-comments {
  color: #8b5b70;
  font-weight: 650;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.45);
}
.stars-sm .star,
.stars-md .star,
.stars-lg .star {
  text-shadow: 0 1px 3px rgba(120, 45, 80, 0.22);
}
.level-badge,
.card-genre-badge {
  color: #d6336c;
  background: rgba(255, 246, 251, 0.82);
  border: 1px solid rgba(236, 72, 153, 0.24);
  text-shadow: none;
}
.card-download {
  color: #d6336c;
  font-weight: 850;
  background: rgba(255, 246, 251, 0.56);
  border-color: rgba(236, 72, 153, 0.28);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.55);
}
.comment-username,
.home-comment-user {
  color: #7a4058;
  font-weight: 900;
}
.home-comment-song {
  color: #ec4899;
  font-weight: 850;
}
.comment-date,
.home-comment-date {
  color: #7f6472;
  font-weight: 650;
}
.comment-text,
.home-comment-text {
  color: #75586a;
  font-weight: 600;
}

/* Softer glass edges: avoid hard white outlines on bright backgrounds. */
.song-card,
.form-card,
.home-hero,
.section-title,
.comments-section,
.comment-item,
.home-comment-item,
.auth-card,
.profile-header,
.user-card,
.upload-mode-tabs,
.cover-upload,
.batch-item,
.page-header p,
.search-input,
.genre-tab,
.sort-select,
.form-input,
.form-select,
.form-textarea,
.tag-option span,
.btn-outline,
.card-download,
.pag-btn,
.card-genre-badge,
.level-badge {
  border-color: rgba(214, 51, 132, 0.22) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.38),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    inset 0 -14px 22px rgba(236, 72, 153, 0.07),
    0 10px 28px rgba(214, 51, 132, 0.12) !important;
}

.genre-tab.active,
.card-download:hover,
.pag-btn.active,
.tag-option input:checked + span {
  border-color: rgba(236, 72, 153, 0.3) !important;
}

.nav-links::before,
.upload-mode-tabs::before,
.mobile-bottom-nav::before {
  border-color: rgba(214, 51, 132, 0.24) !important;
}
.nav-links::after,
.upload-mode-tabs::after,
.mobile-bottom-nav::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: var(--slider-w, 0px);
  height: var(--slider-h, 0px);
  border-radius: 999px;
  opacity: var(--slider-opacity, 0);
  pointer-events: none;
  transform:
    translate3d(var(--slider-x, 0px), var(--slider-y, 0px), 0)
    scaleX(var(--slider-stretch, 1));
  transform-origin: center;
  z-index: 0;
  background:
    linear-gradient(90deg,
      rgba(255, 255, 255, 0.68) 0%,
      rgba(255, 255, 255, 0.12) 11%,
      transparent 22%,
      transparent 78%,
      rgba(255, 255, 255, 0.16) 89%,
      rgba(255, 255, 255, 0.72) 100%),
    radial-gradient(24px 110% at 0% 50%, rgba(236, 72, 153, 0.16), transparent 72%),
    radial-gradient(24px 110% at 100% 50%, rgba(168, 85, 247, 0.15), transparent 72%);
  filter: contrast(1.16) brightness(1.04);
  backdrop-filter: saturate(215%) contrast(1.16) brightness(1.04);
  -webkit-backdrop-filter: saturate(215%) contrast(1.16) brightness(1.04);
  mask-image: linear-gradient(90deg, #000 0 18%, transparent 32% 68%, #000 82% 100%);
  -webkit-mask-image: linear-gradient(90deg, #000 0 18%, transparent 32% 68%, #000 82% 100%);
  mix-blend-mode: screen;
  backface-visibility: hidden;
  will-change: transform, width, height, opacity;
}
.nav-link {
  position: relative;
  z-index: 1;
  padding: 7px 16px; border-radius: 999px;
  color: var(--muted); font-size: 0.9rem; font-weight: 600;
  transition: transform var(--dur) var(--ease);
  background: none; border: 1px solid transparent; cursor: pointer;
  text-decoration: none !important;
}
.nav-link:hover { background: transparent; box-shadow: none; }
.nav-link.active {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}
.liquid-label {
  position: relative;
  display: inline-block;
}
.liquid-label-base {
  color: var(--muted);
}
.liquid-label-ink {
  position: absolute;
  inset: 0;
  color: var(--accent2);
  pointer-events: none;
  clip-path: inset(0 100% 0 0);
  will-change: clip-path;
}
.navbar,
.page-header p,
.search-input,
.genre-tab,
.sort-select,
.song-card,
.song-card .card-meta,
.skeleton-card,
.empty-state,
.form-card,
.form-input,
.form-select,
.form-textarea,
.cover-upload,
.tag-option span,
.btn-outline,
.btn-danger,
.btn-delete-song,
.toast,
.song-hero,
.hero-genre,
.viewer-section-header,
.rating-section,
.rating-bar,
.dist-bar-wrap,
.back-btn,
.home-hero,
.home-hero p,
.home-search-wrap,
.section-title,
.comments-section,
.comment-input,
.comment-item,
.home-comment-item,
.auth-card,
.captcha-box,
.profile-header,
.user-card,
.pag-btn,
.upload-mode-tabs,
.batch-item,
.batch-remove,
.login-prompt,
.auth-tab,
.captcha-box {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
}

.form-input,
.form-select,
.form-textarea,
.search-input,
.sort-select,
.comment-input,
.pag-btn,
.btn-outline,
.tag-option span,
.cover-upload,
.comment-item,
.batch-item,
.home-search-wrap,
.captcha-box {
  background: var(--glass-bg-strong);
}

.navbar,
.form-card,
.song-card,
.empty-state,
.song-hero,
.rating-section,
.viewer-section-header,
.home-hero,
.home-search-wrap,
.section-title,
.auth-card,
.profile-header,
.comments-section,
.comment-item,
.user-card,
.home-comment-item,
.upload-mode-tabs,
.cover-upload,
.batch-item {
  position: relative;
  overflow: hidden;
}

.navbar::after,
.form-card::before,
.song-card::before,
.empty-state::before,
.song-hero::before,
.viewer-section-header::before,
.home-hero::after,
.home-search-wrap::before,
.section-title::after,
.auth-card::before,
.profile-header::before,
.comments-section::before,
.rating-section::before,
.comment-item::before,
.user-card::before,
.home-comment-item::before,
.cover-upload::before,
.batch-item::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.58), transparent 23%),
    radial-gradient(680px 180px at 10% 0%, rgba(255, 255, 255, 0.38), transparent 62%),
    radial-gradient(260px 120px at 100% 100%, rgba(236, 72, 153, 0.12), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 44%);
  opacity: 0.9;
  mix-blend-mode: normal;
}

.navbar::after {
  border-radius: 0;
}

.page-header p,
.search-input,
.genre-tab,
.sort-select,
.form-input,
.form-select,
.form-textarea,
.tag-option span,
.btn-outline,
.pag-btn,
.auth-tab,
.captcha-box,
.batch-remove {
  position: relative;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    inset 0 -10px 18px rgba(236, 72, 153, 0.07),
    0 8px 20px rgba(214, 51, 132, 0.08);
}

/* 导航用户区 */
.nav-user { display: flex; align-items: center; gap: 8px; }
.nav-user-btn {
  display: flex; align-items: center; gap: 8px; padding: 5px 14px 5px 6px;
  border-radius: 999px; font-size: 0.9rem; font-weight: 500;
  border: 1px solid transparent;
  transition: all var(--dur) var(--ease);
}
.nav-user-btn:hover {
  background: rgba(236, 72, 153, 0.08);
  border-color: rgba(236, 72, 153, 0.16);
}
.nav-user-btn img { box-shadow: 0 0 0 2px rgba(236, 72, 153, 0.25); }
.nav-avatar-sm {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--grad-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; color: #fff; flex-shrink: 0;
}

/* ============ 布局 ============ */
.main { padding-top: 88px; padding-bottom: 72px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.page-header { margin-bottom: 32px; }
.page-header h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 900; letter-spacing: -0.02em;
  margin-bottom: 8px;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.page-header p {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 999px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: var(--glass-shadow);
}

/* ============ 筛选控件 ============ */
.controls { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; align-items: center; }
.search-input {
  flex: 1; min-width: 220px; padding: 11px 18px;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: 999px; color: var(--text); font-size: 0.95rem; outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  box-shadow: var(--glass-shadow);
}
.search-input:focus { border-color: var(--accent); box-shadow: var(--ring), var(--shadow-sm); }
.search-input::placeholder { color: var(--muted); }

.genre-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.genre-tab {
  padding: 7px 16px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--glass-bg); backdrop-filter: var(--glass-filter); -webkit-backdrop-filter: var(--glass-filter);
  color: var(--muted); font-size: 0.85rem; font-weight: 500;
  cursor: pointer; transition: all var(--dur) var(--ease);
}
.genre-tab:hover {
  border-color: var(--border-strong); color: var(--accent);
  transform: translateY(-1px); box-shadow: var(--shadow-sm);
}
.genre-tab.active {
  background: var(--grad-accent); border-color: transparent; color: #fff; font-weight: 600;
  box-shadow: 0 4px 14px rgba(236, 72, 153, 0.35);
}
.genre-tab:active, .pag-btn:active { transform: scale(0.94); }
.mode-tab:active, .nav-link:active { transform: none; }

.sort-select {
  padding: 9px 16px; background: var(--glass-bg-strong); border: 1px solid var(--glass-border);
  border-radius: 999px; color: var(--text); font-size: 0.9rem; cursor: pointer; outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  box-shadow: var(--shadow-sm);
}
.sort-select:focus { border-color: var(--accent); box-shadow: var(--ring), var(--shadow-sm); }
.sort-select option { background: var(--bg2); }

/* ============ 谱面卡片 ============ */
.songs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px;
}

.song-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  box-shadow: var(--glass-shadow);
  animation: page-element-fade-in var(--page-fade-duration) var(--page-opacity-ease) both;
}
.song-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(236, 72, 153, 0.35);
}
@keyframes card-in {
  from { opacity: 0; transform: translate3d(var(--content-enter-x, 0px), var(--content-enter-y, 16px), 0); }
  to { opacity: 1; transform: none; }
}

.card-cover {
  width: 100%; aspect-ratio: 1;
  position: relative; display: flex; align-items: flex-end;
  overflow: hidden;
  transition: transform 0.6s var(--ease);
}
.song-card:hover .card-cover { transform: scale(1.045); }
.card-cover::after {
  content: '';
  position: absolute; inset: auto 0 0 0; height: 40%;
  background: linear-gradient(180deg, transparent, rgba(51, 18, 31, 0.12));
  pointer-events: none;
}
.card-genre-badge {
  position: absolute; top: 10px; right: 10px; z-index: 1;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  padding: 3px 11px; border-radius: 999px; font-size: 0.72rem; color: var(--accent2);
  font-weight: 700; letter-spacing: 0.01em;
  box-shadow: 0 2px 8px rgba(51, 18, 31, 0.12);
}
.card-cover-icon {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem; opacity: 0.4;
}
.card-body { padding: 15px 16px 16px; }
.card-title {
  font-size: 1rem; font-weight: 700; margin-bottom: 2px; letter-spacing: -0.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text);
}
.card-artist { color: var(--muted); font-size: 0.85rem; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-charter { color: var(--muted); font-size: 0.8rem; margin-bottom: 8px; opacity: 0.8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-rating { display: flex; align-items: center; gap: 8px; }
.rating-num { font-size: 0.85rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.card-comments { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }

/* 难度徽章 */
.level-badges { display: flex; gap: 5px; flex-wrap: wrap; margin: 6px 0; }
.level-badge {
  padding: 2px 9px; border-radius: 999px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.01em;
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(168, 85, 247, 0.1));
  color: var(--accent2);
  border: 1px solid rgba(236, 72, 153, 0.22);
}

/* 卡片下载按钮 */
.card-download {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 10px; padding: 6px 14px;
  background: rgba(236, 72, 153, 0.07); border: 1px solid rgba(236, 72, 153, 0.18);
  border-radius: 999px; font-size: 0.8rem; font-weight: 600; color: var(--accent);
  transition: all var(--dur) var(--ease);
}
.card-download:hover {
  background: var(--grad-accent); border-color: transparent; color: #fff;
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.35);
}

/* ============ 星级 ============ */
.stars { display: inline-flex; gap: 2px; }
.stars-sm .star { font-size: 0.85rem; }
.stars-md .star { font-size: 1rem; }
.stars-lg .star { font-size: 1.5rem; }
.stars-xl .star { font-size: 2rem; cursor: pointer; transition: transform 0.1s; }
.stars-xl .star:hover { transform: scale(1.2); }
.star.filled { color: var(--gold); text-shadow: 0 1px 4px rgba(245, 165, 36, 0.35); }
.star.half { color: var(--gold); opacity: 0.55; }
.star.empty { color: #ecd2de; }

/* ============ 空状态 ============ */
.empty-state {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 80px 20px; gap: 12px; color: var(--muted);
  background: var(--glass-bg); backdrop-filter: var(--glass-filter); -webkit-backdrop-filter: var(--glass-filter);
  border: 1px dashed var(--border-strong); border-radius: var(--radius-lg);
}
.empty-icon { font-size: 3rem; filter: grayscale(0.2); }

/* ============ 骨架屏 ============ */
.skeleton-card {
  border-radius: var(--radius); overflow: hidden;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
}
.skeleton-card .sk-cover { aspect-ratio: 1; }
.skeleton-card .sk-line { height: 12px; border-radius: 6px; margin: 12px 16px; }
.skeleton-card .sk-line.short { width: 50%; }
.sk-shimmer {
  background: linear-gradient(90deg, rgba(236, 72, 153, 0.06) 25%, rgba(236, 72, 153, 0.14) 50%, rgba(236, 72, 153, 0.06) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ============ 表单 ============ */
.form-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 36px; max-width: 640px; margin: 0 auto;
  box-shadow: var(--glass-shadow);
}
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text); opacity: 0.75; margin-bottom: 7px; letter-spacing: 0.01em; }
.form-label span { color: var(--accent); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 11px 15px;
  background: var(--glass-bg-strong); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); color: var(--text); font-size: 0.95rem; outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  font-family: inherit;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent); box-shadow: var(--ring); background: #fff;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--muted); opacity: 0.8; }
.form-select option { background: var(--bg2); }
.form-textarea { resize: vertical; min-height: 90px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* 拖拽上传区 */
.cover-upload {
  border: 2px dashed rgba(214, 51, 132, 0.25); border-radius: var(--radius);
  padding: 32px; text-align: center; cursor: pointer;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
  position: relative;
}
.cover-upload:hover, .cover-upload.drag-over {
  border-color: var(--accent); background: rgba(236, 72, 153, 0.05);
}
.cover-upload.drag-over { transform: scale(1.01); }
.cover-upload input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.cover-preview {
  width: 120px; height: 120px; border-radius: var(--radius-sm);
  object-fit: cover; margin: 0 auto 12px; display: block;
  box-shadow: var(--shadow);
}
.cover-upload-text { color: var(--muted); font-size: 0.9rem; }
.cover-upload-text strong { color: var(--accent); }

/* 流派标签选择（上传页） */
.tag-option { display: inline-flex; align-items: center; cursor: pointer; }
.tag-option input { display: none; }
.tag-option span {
  padding: 5px 14px; border-radius: 999px; font-size: 0.8rem; font-weight: 500;
  border: 1px solid rgba(236, 72, 153, 0.25); color: var(--accent2);
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  transition: all var(--dur) var(--ease);
}
.tag-option:hover span { background: rgba(236, 72, 153, 0.08); transform: translateY(-1px); }
.tag-option input:checked + span {
  background: var(--grad-accent); border-color: transparent; color: #fff; font-weight: 600;
  box-shadow: 0 3px 10px rgba(236, 72, 153, 0.3);
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 26px; border-radius: 999px; font-size: 0.95rem;
  font-weight: 600; cursor: pointer; border: none;
  transition:
    color var(--dur) var(--ease),
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    filter var(--dur) var(--ease);
  position: relative; overflow: hidden;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.2), transparent 42%),
    var(--grad-accent);
  color: #fff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.68),
    inset 0 -18px 28px rgba(168, 85, 247, 0.18),
    0 7px 20px rgba(236, 72, 153, 0.34);
}
.btn-primary:hover {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    inset 0 -20px 30px rgba(168, 85, 247, 0.2),
    0 12px 30px rgba(236, 72, 153, 0.42);
  transform: translateY(-1px);
}
.btn-outline {
  background: var(--glass-bg-strong); border: 1px solid var(--glass-border); color: var(--accent2);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
}
.btn-outline:hover { border-color: var(--accent); background: rgba(236, 72, 153, 0.07); transform: translateY(-1px); }
.btn-full { width: 100%; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-danger { background: rgba(239, 68, 68, 0.08); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.15); }

/* ============ Toast ============ */
.toast {
  position: fixed; bottom: 28px; right: 28px; z-index: 1000;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: 14px; padding: 14px 22px;
  box-shadow: var(--shadow-lg); font-size: 0.9rem; font-weight: 500;
  transform: translateY(90px) scale(0.95); opacity: 0;
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s var(--ease);
  pointer-events: none;
}
.toast.show { transform: none; opacity: 1; }
.toast.success { border-color: rgba(16, 185, 129, 0.4); color: #0d9268; }
.toast.error { border-color: rgba(239, 68, 68, 0.4); color: var(--danger); }

/* ============ 谱面详情 ============ */
.song-hero {
  display: flex; gap: 32px; align-items: flex-start;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 32px; margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.hero-cover {
  width: 190px; height: 190px; border-radius: var(--radius);
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 4rem; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-cover img { width: 100%; height: 100%; object-fit: cover; }
.hero-info { flex: 1; min-width: 0; }
.hero-genre {
  display: inline-block; padding: 4px 13px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600; margin-bottom: 10px;
  background: rgba(236, 72, 153, 0.1); color: var(--accent2);
  border: 1px solid rgba(236, 72, 153, 0.2);
}
.hero-title {
  font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 900; letter-spacing: -0.02em;
  margin-bottom: 4px; color: var(--text);
}
.hero-artist { color: var(--muted); font-size: 1.05rem; margin-bottom: 4px; }
.hero-meta { color: var(--muted); font-size: 0.85rem; margin-bottom: 4px; }
.hero-desc {
  color: var(--muted); font-size: 0.95rem; line-height: 1.75; margin-top: 10px;
  max-height: 8.5em; overflow: hidden; white-space: pre-wrap; word-break: break-word;
}

.viewer-section {
  margin-top: 24px; border-radius: var(--radius); overflow: hidden;
  background: #16060d; box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.viewer-section-header {
  padding: 12px 18px;
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border-bottom: 1px solid var(--glass-border);
}
.viewer-section-header h3 { margin: 0; font-size: 0.95rem; font-weight: 700; color: var(--accent2); }

.rating-section {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 28px; margin-bottom: 24px;
  box-shadow: var(--glass-shadow);
}
.rating-section h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; color: var(--text); }
.rating-overview { display: flex; gap: 36px; align-items: center; margin-bottom: 24px; }
.rating-big { text-align: center; }
.rating-big .num {
  font-size: 3.6rem; font-weight: 900; line-height: 1; letter-spacing: -0.03em;
  background: linear-gradient(135deg, #f5a524, #f97316);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.rating-big .count { color: var(--muted); font-size: 0.85rem; margin-top: 6px; }
.rating-dist { flex: 1; display: flex; flex-direction: column; gap: 7px; }
.dist-row { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; }
.dist-bar-wrap { flex: 1; height: 7px; background: rgba(236, 72, 153, 0.1); border-radius: 4px; overflow: hidden; }
.dist-bar { height: 100%; background: var(--grad-accent); border-radius: 4px; transition: width 0.6s var(--ease); }
.dist-label { color: var(--muted); width: 20px; text-align: right; }
.dist-count { color: var(--muted); width: 24px; font-variant-numeric: tabular-nums; }

.user-rating { border-top: 1px solid var(--border); padding-top: 20px; }
.user-rating p { color: var(--muted); margin-bottom: 12px; font-size: 0.9rem; }
.interactive-stars { display: flex; gap: 6px; }
.interactive-stars .star {
  font-size: 2.2rem; cursor: pointer; color: #ecd2de;
  transition: color 0.15s, transform 0.15s var(--ease);
}
.interactive-stars .star:hover,
.interactive-stars .star.active { color: var(--gold); }
.interactive-stars .star:hover { transform: scale(1.18) rotate(-6deg); }
.interactive-stars .star:active { transform: scale(0.82); }
.rating-feedback { margin-top: 10px; font-size: 0.9rem; color: var(--success); min-height: 22px; }

.back-btn {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 0.9rem; font-weight: 500; margin-bottom: 20px;
  padding: 6px 14px; border-radius: 999px;
  background: var(--glass-bg); backdrop-filter: var(--glass-filter); -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid transparent;
  transition: all var(--dur) var(--ease);
}
.back-btn:hover { color: var(--accent); border-color: rgba(236, 72, 153, 0.2); transform: translateX(-2px); }

/* ============ 首页 ============ */
.home-hero {
  padding: 64px 32px 48px; text-align: center;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  margin: 240px auto 20px; max-width: 1200px;
  box-shadow: var(--glass-shadow);
  position: relative; overflow: hidden;
}
.home-hero::before {
  content: '';
  position: absolute; inset: -40%;
  background:
    radial-gradient(circle at 20% 30%, rgba(244, 114, 182, 0.14), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(192, 132, 252, 0.12), transparent 40%);
  animation: hero-glow 10s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes hero-glow {
  from { transform: rotate(0deg) scale(1); }
  to { transform: rotate(8deg) scale(1.08); }
}
.home-hero h1 {
  position: relative;
  font-size: clamp(2.4rem, 6vw, 3.4rem); font-weight: 900; letter-spacing: -0.03em;
  margin-bottom: 14px;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.home-hero p {
  display: inline-block;
  position: relative;
  padding: 6px 20px;
  border-radius: 999px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  color: var(--text);
  margin-bottom: 30px;
  font-size: 1.05rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.home-search-wrap {
  position: relative;
  max-width: 620px; margin: 0 auto; display: flex; gap: 0;
  border-radius: 999px;
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  overflow: hidden;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.home-search-wrap:focus-within { border-color: var(--accent); box-shadow: var(--ring), var(--shadow); }
.home-search-input {
  flex: 1; padding: 15px 24px; background: transparent; border: none;
  color: var(--text); font-size: 1rem; outline: none;
}
.home-search-input::placeholder { color: var(--muted); }
.home-search-btn {
  padding: 0 30px; background: var(--grad-accent); border: none;
  color: #fff; font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: filter var(--dur) var(--ease);
}
.home-search-btn:hover { filter: brightness(1.08); }

/* 区块标题 */
.section-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.15rem; font-weight: 800; letter-spacing: -0.01em;
  margin-bottom: 18px; color: var(--text);
  background: var(--glass-bg); backdrop-filter: var(--glass-filter); -webkit-backdrop-filter: var(--glass-filter);
  padding: 12px 18px; border-radius: 14px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.section-title::before {
  content: '';
  width: 4px; height: 1.1em; border-radius: 2px;
  background: var(--grad-accent);
  flex-shrink: 0;
}

/* ============ 评论 ============ */
.comments-section {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 28px; margin-bottom: 24px;
  box-shadow: var(--glass-shadow);
}
.comment-form { display: flex; gap: 10px; margin-bottom: 22px; }
.comment-input {
  flex: 1; padding: 11px 15px; background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
  color: var(--text); font-size: 0.9rem; outline: none; font-family: inherit; resize: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.comment-input:focus { border-color: var(--accent); box-shadow: var(--ring); background: #fff; }
.comment-list { display: flex; flex-direction: column; gap: 12px; }
.comment-item {
  display: flex; gap: 12px;
  background: var(--glass-bg);
  padding: 14px; border-radius: 14px;
  border: 1px solid var(--glass-border);
  transition: border-color var(--dur) var(--ease);
}
.comment-item:hover { border-color: rgba(236, 72, 153, 0.2); }
.comment-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--grad-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700; color: #fff; flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 0 0 2px rgba(236, 72, 153, 0.15);
}
.comment-body { flex: 1; min-width: 0; }
.comment-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.comment-username { font-size: 0.85rem; font-weight: 700; color: var(--accent); }
.comment-username:hover { text-decoration: underline; }
.comment-date { font-size: 0.75rem; color: var(--muted); }
.comment-text { font-size: 0.9rem; color: var(--text); line-height: 1.6; word-break: break-word; }
.comment-del { font-size: 0.75rem; color: var(--muted); cursor: pointer; margin-left: auto; transition: color var(--dur); }
.comment-del:hover { color: var(--danger); }
.login-prompt { color: var(--muted); font-size: 0.9rem; padding: 12px 0; }
.login-prompt a { color: var(--accent); font-weight: 600; }
.login-prompt a:hover { text-decoration: underline; }

/* 首页随机评论 */
.comments-list { display: flex; flex-direction: column; gap: 12px; }
.home-comment-item {
  display: block; padding: 15px 18px;
  background: var(--glass-bg); backdrop-filter: var(--glass-filter); -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: 14px; color: var(--text);
  box-shadow: var(--glass-shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.home-comment-item:hover {
  border-color: rgba(236, 72, 153, 0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.home-comment-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.home-comment-user { font-weight: 700; font-size: 0.9rem; }
.home-comment-song { font-size: 0.8rem; color: var(--accent); font-weight: 500; }
.home-comment-date { font-size: 0.75rem; color: var(--muted); margin-left: auto; }
.home-comment-text { font-size: 0.85rem; color: var(--muted); line-height: 1.55; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============ 登录 / 注册 ============ */
.auth-wrap {
  min-height: calc(100vh - 62px); display: flex; align-items: center; justify-content: center;
  padding: 86px 24px 24px;
}
.auth-card {
  background: var(--glass-bg-strong);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 38px; width: 100%; max-width: 410px;
  box-shadow: var(--shadow-lg);
  animation: card-in var(--card-enter-duration) var(--ease) both;
}
.auth-tabs { display: flex; gap: 0; margin-bottom: 28px; border-bottom: 1px solid var(--border); }
.auth-tab {
  flex: 1; padding: 11px; text-align: center; cursor: pointer;
  color: var(--muted); font-size: 0.95rem; font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: all var(--dur) var(--ease);
}
.auth-tab:hover { color: var(--accent); }
.auth-tab.active { color: var(--accent2); font-weight: 700; border-bottom-color: var(--accent); }
.auth-title {
  font-size: 1.5rem; font-weight: 900; margin-bottom: 6px;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.auth-sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 24px; }
.captcha-box {
  cursor: pointer; background: var(--glass-bg-strong); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); overflow: hidden; display: flex; align-items: center;
  transition: border-color var(--dur) var(--ease);
}
.captcha-box:hover { border-color: var(--accent); }

.slider-captcha {
  --slider-position: 0px;
  width: 100%;
  height: 48px;
  user-select: none;
  -webkit-user-select: none;
}

.contest-home-entry {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 0 34px;
  padding: 18px 22px;
  border-left: 4px solid var(--accent);
  border-top: 1px solid var(--glass-border);
  border-right: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--text);
  background: rgba(255,255,255,.78);
  box-shadow: var(--glass-shadow);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease;
}
.contest-home-entry:hover { transform: translateY(-2px); border-color: rgba(236,72,153,.35); }
.contest-home-entry strong { display: block; margin-bottom: 4px; font-size: 1.08rem; }
.contest-home-entry span { color: var(--muted); font-size: .85rem; }
.contest-home-entry .contest-home-arrow { color: var(--accent); font-size: 2rem; line-height: 1; }

.slider-captcha-track {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: 1px solid rgba(214, 51, 132, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.66);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -10px 18px rgba(236, 72, 153, 0.05),
    0 8px 20px rgba(214, 51, 132, 0.07);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.slider-captcha-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--slider-position) + 48px);
  background: linear-gradient(90deg, rgba(244, 114, 182, 0.2), rgba(232, 121, 249, 0.24));
  border-right: 1px solid rgba(214, 51, 132, 0.2);
  transition: width 160ms ease, background 180ms ease;
}

.slider-captcha-label {
  position: absolute;
  inset: 0 12px 0 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #80566d;
  font-size: 0.86rem;
  font-weight: 700;
  white-space: nowrap;
  pointer-events: none;
}

.slider-captcha-thumb {
  position: absolute;
  top: 3px;
  left: calc(3px + var(--slider-position));
  display: grid;
  place-items: center;
  width: 42px;
  height: 40px;
  padding: 0;
  border: 1px solid rgba(214, 51, 132, 0.28);
  border-radius: calc(var(--radius-sm) - 2px);
  color: #d63384;
  font: 800 1.7rem/1 system-ui, sans-serif;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 4px 14px rgba(214, 51, 132, 0.18);
  cursor: grab;
  touch-action: none;
  transition: left 160ms ease, color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.slider-captcha-thumb:focus-visible {
  outline: 3px solid rgba(236, 72, 153, 0.2);
  outline-offset: 2px;
}

.slider-captcha.is-dragging .slider-captcha-thumb {
  cursor: grabbing;
  transition: none;
  box-shadow: 0 5px 18px rgba(214, 51, 132, 0.28);
}

.slider-captcha.is-dragging .slider-captcha-fill { transition: none; }
.slider-captcha.is-loading .slider-captcha-label { color: var(--muted); }
.slider-captcha.is-loading .slider-captcha-thumb { cursor: wait; opacity: 0.72; }

.slider-captcha.is-success .slider-captcha-track {
  border-color: rgba(16, 185, 129, 0.38);
  box-shadow: 0 8px 22px rgba(16, 185, 129, 0.1);
}

.slider-captcha.is-success .slider-captcha-fill { background: rgba(167, 243, 208, 0.48); }
.slider-captcha.is-success .slider-captcha-label { color: #087f5b; }
.slider-captcha.is-success .slider-captcha-thumb {
  color: #087f5b;
  border-color: rgba(16, 185, 129, 0.42);
  background: #ecfdf5;
  cursor: default;
}

.slider-captcha.is-error .slider-captcha-track {
  border-color: rgba(239, 68, 68, 0.38);
  animation: slider-captcha-shake 280ms ease;
}

.slider-captcha.is-error .slider-captcha-label { color: #b42318; }

@keyframes slider-captcha-shake {
  0%, 100% { transform: translateX(0); }
  30% { transform: translateX(-4px); }
  70% { transform: translateX(4px); }
}

/* ============ 个人主页 ============ */
.profile-header {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 32px;
  display: flex; gap: 26px; align-items: flex-start; margin-bottom: 28px;
  box-shadow: var(--glass-shadow);
}
.profile-avatar {
  width: 96px; height: 96px; border-radius: 50%;
  background: var(--grad-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem; font-weight: 700; color: #fff; flex-shrink: 0; overflow: hidden;
  box-shadow: 0 0 0 3px #fff, 0 0 0 5px rgba(236, 72, 153, 0.35), var(--shadow);
}
.profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.profile-info { flex: 1; min-width: 0; }
.profile-name { font-size: 1.6rem; font-weight: 900; letter-spacing: -0.02em; margin-bottom: 4px; color: var(--text); }
.profile-bio { color: var(--muted); font-size: 0.95rem; margin-bottom: 8px; word-break: break-word; }
.profile-join { color: var(--muted); font-size: 0.8rem; }
.profile-edit-form { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; }

/* ============ 用户卡片 ============ */
.users-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 16px; }
.user-card {
  background: var(--glass-bg); backdrop-filter: var(--glass-filter); -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 22px 18px; text-align: center; cursor: pointer;
  box-shadow: var(--glass-shadow);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.user-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(236, 72, 153, 0.3); }
.user-card-avatar {
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--grad-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 700; color: #fff; margin: 0 auto 12px; overflow: hidden;
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px rgba(236, 72, 153, 0.25);
}
.user-card-avatar img { width: 100%; height: 100%; object-fit: cover; }
.user-card-name { font-weight: 700; margin-bottom: 4px; color: var(--text); }
.user-card-bio { color: var(--muted); font-size: 0.8rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ============ 分页 ============ */
.pagination {
  display: flex; justify-content: center; align-items: center; gap: 6px;
  margin-top: 32px; flex-wrap: wrap;
}
.pag-btn {
  min-width: 38px; padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--glass-bg-strong); backdrop-filter: var(--glass-filter); -webkit-backdrop-filter: var(--glass-filter);
  color: var(--text); font-size: 0.85rem; font-weight: 500;
  cursor: pointer; transition: all var(--dur) var(--ease);
  font-variant-numeric: tabular-nums;
}
.pag-btn:hover:not(:disabled):not(.active) {
  border-color: var(--accent); color: var(--accent); transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.pag-btn.active {
  background: var(--grad-accent); border-color: transparent; color: #fff; font-weight: 700;
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.35);
}
.pag-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pag-ellipsis { color: var(--muted); padding: 0 4px; user-select: none; }

/* ============ 删除按钮 ============ */
.btn-delete-song {
  margin-top: 8px; padding: 5px 12px; border-radius: 999px;
  border: 1px solid rgba(239, 68, 68, 0.3); background: rgba(239, 68, 68, 0.06);
  color: var(--danger); font-size: 0.75rem; font-weight: 600;
  cursor: pointer; transition: all var(--dur) var(--ease);
}
.btn-delete-song:hover { background: rgba(239, 68, 68, 0.14); border-color: var(--danger); }

/* ============ 上传模式切换 ============ */
.upload-mode-tabs {
  position: relative;
  isolation: isolate;
  display: flex; gap: 4px; margin: 0 auto 24px; max-width: 640px;
  min-height: 64px;
  border-radius: 999px; padding: 4px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.76),
    0 10px 28px rgba(214, 51, 132, 0.12);
}
.mode-tab {
  position: relative;
  z-index: 1;
  flex: 1; padding: 10px; border: none; border-radius: 999px;
  min-height: 54px;
  background: transparent; color: var(--muted); font-size: 0.95rem; font-weight: 700;
  cursor: pointer;
  transition: transform var(--dur) var(--ease);
}
.mode-tab.active {
  background: transparent;
  font-weight: 700;
  box-shadow: none;
}
.upload-mode-panel {
  animation: upload-panel-fade 0.24s ease both;
}
@keyframes upload-panel-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
.mode-tab:hover:not(.active) {
  background: transparent;
  box-shadow: none;
}

/* ============ 批量上传 ============ */
.batch-item {
  background: var(--glass-bg-strong); border: 1px solid var(--glass-border);
  border-radius: 14px; padding: 14px; margin-bottom: 10px;
  transition: border-color var(--dur) var(--ease);
}
.batch-item:hover { border-color: rgba(236, 72, 153, 0.25); }
.batch-item-error { opacity: 0.6; }
.batch-item-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.batch-filename { font-size: 0.85rem; color: var(--text); font-weight: 600; word-break: break-all; }
.batch-error { color: var(--danger); font-size: 0.8rem; }
.batch-remove {
  border: none; background: none; color: var(--danger); cursor: pointer;
  font-size: 1.1rem; padding: 2px 8px; border-radius: 8px;
  transition: background var(--dur);
}
.batch-remove:hover { background: rgba(239, 68, 68, 0.1); }
.batch-fields { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.batch-input { font-size: 0.85rem; padding: 8px 10px; }
.batch-missing { border-color: #f87171 !important; background: rgba(239, 68, 68, 0.04); }

/* ============ 响应式 ============ */
@media (max-width: 768px) {
  .nav-inner { padding: 0 14px; }
  .nav-link { padding: 6px 11px; font-size: 0.85rem; }
  .home-hero { margin: 150px 16px 20px; padding: 44px 20px 36px; }
  #kanban-girl { width: 150px; opacity: 0.85; }
}

@media (max-width: 640px) {
  .song-hero { flex-direction: column; }
  .hero-cover { width: 100%; height: 220px; }
  .form-row { grid-template-columns: 1fr; }
  .rating-overview { flex-direction: column; gap: 16px; }
  .page-header h1 { font-size: 1.5rem; }
  .form-card { padding: 24px 18px; }
  .profile-header { flex-direction: column; align-items: center; text-align: center; padding: 24px 18px; }
  .profile-edit-form { text-align: left; }
  .batch-fields { grid-template-columns: 1fr; }
  .toast { left: 16px; right: 16px; bottom: 16px; text-align: center; }
}

/* ============ 页面切换动画 ============ */
/* 支持 View Transitions 的浏览器（Chrome/Edge 126+）：原生跨页平滑过渡 */
@view-transition { navigation: none; }
::view-transition {
  background: transparent;
}
::view-transition-old(root),
::view-transition-new(root) {
  mix-blend-mode: normal;
}
::view-transition-old(root) {
  animation: none;
}
::view-transition-new(root) {
  animation: none;
}
::view-transition-old(kanban-girl),
::view-transition-new(kanban-girl) {
  animation: none;
  mix-blend-mode: normal;
}

@keyframes page-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes page-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes page-out {
  to { opacity: 0; }
}
@keyframes page-hold {
  to { opacity: 1; transform: none; }
}
@keyframes vt-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes vt-fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* 不支持的浏览器：入场动画 + JS 离场回退（body.page-exit） */
@supports not (view-transition-name: root) {
  .main, .auth-wrap, .admin-layout, .mobile-content { animation: none; }
}
body.page-exit .main,
body.page-exit .auth-wrap,
body.page-exit .admin-layout,
body.page-exit .mobile-content {
  animation: none;
}

/* ============ 点击水波纹 ============ */
.btn,
.genre-tab,
.pag-btn,
.mode-tab,
.nav-link,
.home-search-btn,
.auth-tab,
.card-download {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transform: translateZ(0);
}
.btn::before,
.genre-tab::before,
.pag-btn::before,
.mode-tab:not(.active)::before,
.nav-link:not(.active)::before,
.home-search-btn::before,
.auth-tab::before,
.card-download::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.08) 48%, rgba(236, 72, 153, 0.12));
  opacity: 0;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn::after,
.genre-tab::after,
.pag-btn::after,
.mode-tab:not(.active)::after,
.nav-link:not(.active)::after,
.home-search-btn::after,
.auth-tab::after,
.card-download::after {
  content: '';
  position: absolute;
  inset: -55% -30%;
  z-index: 1;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.34) 48%, rgba(255, 255, 255, 0.12) 54%, transparent 68%);
  opacity: 0;
  transform: translateX(-70%) rotate(7deg);
  transition: transform 0.65s var(--ease), opacity 0.35s var(--ease);
}
.btn:hover::before,
.genre-tab:hover::before,
.pag-btn:hover::before,
.mode-tab:not(.active):hover::before,
.nav-link:not(.active):hover::before,
.home-search-btn:hover::before,
.auth-tab:hover::before,
.card-download:hover::before,
.btn-primary::before,
.genre-tab.active::before,
.pag-btn.active::before {
  opacity: 1;
}
.btn:hover::after,
.genre-tab:hover::after,
.pag-btn:hover::after,
.mode-tab:not(.active):hover::after,
.nav-link:not(.active):hover::after,
.home-search-btn:hover::after,
.auth-tab:hover::after,
.card-download:hover::after {
  opacity: 1;
  transform: translateX(70%) rotate(7deg);
}
.ripple {
  position: absolute; z-index: 2; border-radius: 50%; pointer-events: none;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.68) 0%, currentColor 42%, transparent 70%);
  opacity: 0.24;
  transform: scale(0);
  animation: ripple 0.55s ease-out forwards;
  mix-blend-mode: normal;
}
@keyframes ripple {
  to { transform: scale(2.6); opacity: 0; }
}

/* 无障碍：尊重系统减弱动效设置 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* Final liquid-glass pass: overrides older frosted-glass declarations. */
.navbar,
.page-header p,
.search-input,
.genre-tab,
.sort-select,
.song-card,
.skeleton-card,
.empty-state,
.form-card,
.form-input,
.form-select,
.form-textarea,
.cover-upload,
.tag-option span,
.btn-outline,
.toast,
.song-hero,
.viewer-section-header,
.rating-section,
.back-btn,
.home-hero,
.home-hero p,
.home-search-wrap,
.section-title,
.comments-section,
.comment-input,
.comment-item,
.home-comment-item,
.auth-card,
.captcha-box,
.profile-header,
.user-card,
.pag-btn,
.upload-mode-tabs,
.batch-item,
.batch-remove,
.login-prompt,
.auth-tab,
.dist-bar-wrap {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.26) 44%, rgba(255, 229, 245, 0.34)),
    radial-gradient(120% 80% at 12% 0%, rgba(255, 255, 255, 0.56), transparent 48%),
    radial-gradient(95% 80% at 100% 100%, rgba(236, 72, 153, 0.16), transparent 56%) !important;
  border-color: rgba(214, 51, 132, 0.22) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.86),
    inset 1px 0 0 rgba(255, 255, 255, 0.28),
    inset -1px 0 0 rgba(214, 51, 132, 0.08),
    inset 0 -18px 26px rgba(236, 72, 153, 0.08),
    0 12px 34px rgba(214, 51, 132, 0.13) !important;
  backdrop-filter: blur(1.2px) saturate(188%) contrast(1.1) !important;
  -webkit-backdrop-filter: blur(1.2px) saturate(188%) contrast(1.1) !important;
}

.home-hero,
.form-card,
.auth-card,
.song-hero,
.profile-header,
.comments-section,
.rating-section {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0.22) 42%, rgba(255, 235, 247, 0.32)),
    radial-gradient(48% 42% at 12% 0%, rgba(255, 255, 255, 0.66), transparent 66%),
    radial-gradient(42% 34% at 98% 100%, rgba(236, 72, 153, 0.16), transparent 68%) !important;
  backdrop-filter: blur(1px) saturate(190%) contrast(1.12) !important;
  -webkit-backdrop-filter: blur(1px) saturate(190%) contrast(1.12) !important;
}

.song-card,
.user-card,
.home-comment-item,
.comment-item,
.batch-item {
  backdrop-filter: blur(1.1px) saturate(188%) contrast(1.1) !important;
  -webkit-backdrop-filter: blur(1.1px) saturate(188%) contrast(1.1) !important;
}

.nav-links::before,
.upload-mode-tabs::before,
.mobile-bottom-nav::before {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.28) 42%, rgba(255, 226, 244, 0.46)),
    radial-gradient(80% 140% at 0% 50%, rgba(255, 255, 255, 0.62), transparent 58%),
    radial-gradient(80% 140% at 100% 50%, rgba(236, 72, 153, 0.22), transparent 62%) !important;
  backdrop-filter: blur(1.4px) saturate(215%) contrast(1.18) brightness(1.04) !important;
  -webkit-backdrop-filter: blur(1.4px) saturate(215%) contrast(1.18) brightness(1.04) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.94),
    inset 10px 0 18px rgba(255, 255, 255, 0.18),
    inset -10px 0 18px rgba(236, 72, 153, 0.14),
    inset 0 -12px 20px rgba(236, 72, 153, 0.1),
    0 10px 24px rgba(214, 51, 132, 0.18) !important;
}

/* Final control readability overrides. */
.genre-tab {
  color: #6f6470 !important;
  font-weight: 850 !important;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.58) !important;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.46), rgba(255, 255, 255, 0.18) 48%, rgba(255, 235, 247, 0.24)),
    radial-gradient(90% 120% at 10% 0%, rgba(255, 255, 255, 0.44), transparent 56%) !important;
}
.genre-tab:hover:not(.active) {
  color: #4f4650 !important;
}
.genre-tab.active {
  color: #d6336c !important;
  font-weight: 900 !important;
  background:
    linear-gradient(145deg, rgba(255, 250, 253, 0.72), rgba(255, 232, 245, 0.48) 55%, rgba(252, 213, 236, 0.42)),
    radial-gradient(90% 130% at 18% 0%, rgba(255, 255, 255, 0.62), transparent 58%) !important;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.72) !important;
}

.sort-select {
  color: #d6336c !important;
  font-weight: 900 !important;
  background:
    linear-gradient(145deg, rgba(255, 250, 253, 0.7), rgba(255, 235, 247, 0.42) 55%, rgba(255, 255, 255, 0.22)),
    radial-gradient(90% 120% at 15% 0%, rgba(255, 255, 255, 0.52), transparent 58%) !important;
}
.sort-select option {
  color: #4c3440;
  background: #fff7fb;
  font-weight: 700;
}
.sort-select option:checked {
  color: #d6336c;
  font-weight: 900;
}

.card-download:active {
  transform: translateY(1px) scale(0.98);
}
.song-card.download-feedback {
  background:
    linear-gradient(145deg, rgba(236, 72, 153, 0.18), rgba(255, 255, 255, 0.2) 42%, rgba(214, 51, 132, 0.16)),
    radial-gradient(120% 90% at 16% 0%, rgba(255, 255, 255, 0.4), transparent 58%) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.42),
    inset 0 -26px 34px rgba(214, 51, 132, 0.16),
    0 14px 36px rgba(214, 51, 132, 0.22) !important;
  border-color: rgba(214, 51, 132, 0.34) !important;
}

/* Remove white text outlines on category controls. */
.genre-tab,
.genre-tab.active,
.genre-tab:hover,
.genre-tab:hover:not(.active) {
  text-shadow: none !important;
}

/* Directional page transitions. */
html.page-direction-forward {
  --content-enter-x: 72px;
  --page-element-enter-x: 22px;
  --content-enter-y: 0px;
}
html.page-direction-back {
  --content-enter-x: -72px;
  --page-element-enter-x: -22px;
  --content-enter-y: 0px;
}

/* 进出场只动画页面容器本身（单一合成层），不再逐元素动画，
   避免几十个 backdrop-filter 元素每帧重新采样背景导致的卡顿。 */
/* 玻璃容器只动画 transform，绝不动画 opacity：
   opacity < 1（或 will-change: opacity）会让容器成为 backdrop root，
   内部所有 backdrop-filter 元素在动画期间采样不到真实背景，
   动画类移除、合成层拆除的瞬间重新采样就会产生亮度跳变。
   淡入淡出改由 #page-veil（复刻背景的全屏遮罩）承担。 */
html.page-enter-left .main,
html.page-enter-left .auth-wrap,
html.page-enter-left .admin-layout,
html.page-enter-left .mobile-content {
  transform: translate3d(-72px, 0, 0);
  transition: transform var(--page-motion-duration) var(--page-transition-enter-ease);
  will-change: transform;
}
html.page-enter-right .main,
html.page-enter-right .auth-wrap,
html.page-enter-right .admin-layout,
html.page-enter-right .mobile-content {
  transform: translate3d(72px, 0, 0);
  transition: transform var(--page-motion-duration) var(--page-transition-enter-ease);
  will-change: transform;
}
html.page-enter-active .main,
html.page-enter-active .auth-wrap,
html.page-enter-active .admin-layout,
html.page-enter-active .mobile-content {
  transform: translate3d(0, 0, 0);
}

body.page-exit-left .main,
body.page-exit-left .auth-wrap,
body.page-exit-left .admin-layout,
body.page-exit-left .mobile-content {
  animation: page-exit-to-left var(--page-transition-duration) var(--page-transition-exit-ease) both !important;
  will-change: transform, opacity;
}
body.page-exit-right .main,
body.page-exit-right .auth-wrap,
body.page-exit-right .admin-layout,
body.page-exit-right .mobile-content {
  animation: page-exit-to-right var(--page-transition-duration) var(--page-transition-exit-ease) both !important;
  will-change: transform, opacity;
}

/* 页面切换淡入淡出遮罩：复刻 html 渐变 + body::before 背景图 + body::after 柔光罩，
   完全不透明、固定于视口，与真实背景逐像素对齐。
   它盖在内容之上（z-index 90）、导航栏(100)与看板娘(999)之下，
   不包裹任何玻璃元素，因此淡入淡出不改变 backdrop-filter 的采样来源，
   合成层随 opacity 0 拆除时视觉上不可见，不会产生亮度跳变。 */
#page-veil {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0;
  transform: translateZ(0);
  backface-visibility: hidden;
  background-image:
    radial-gradient(900px 500px at 12% -5%, rgba(255, 255, 255, 0.55), transparent 60%),
    radial-gradient(800px 600px at 95% 10%, rgba(252, 231, 243, 0.5), transparent 65%),
    linear-gradient(180deg, rgba(255, 250, 253, 0.25), rgba(255, 248, 252, 0.05) 40%),
    url('/icons/background.png'),
    linear-gradient(160deg, #fce7f3 0%, #fdf7fa 40%, #f3e8ff 100%);
  background-size: auto, auto, auto, cover, auto;
  background-position: 0 0, 0 0, 0 0, center, 0 0;
  background-repeat: no-repeat;
}
html.page-enter-left #page-veil,
html.page-enter-right #page-veil {
  opacity: 1;
  transition: opacity var(--page-fade-duration) var(--page-opacity-ease);
}
html.page-enter-active #page-veil {
  opacity: 0;
}
body.page-exit-left #page-veil,
body.page-exit-right #page-veil {
  animation: page-veil-fade-in var(--page-fade-duration) var(--page-opacity-ease) both;
}
@keyframes page-veil-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 带方向的页面过渡进行时，跳过子元素自身的入场动画，避免二次动画。 */
html.page-skip-child-intro .auth-card {
  animation: none;
}

@keyframes page-enter-from-left {
  from { transform: translate3d(-72px, 0, 0); }
  to { transform: translate3d(0, 0, 0); }
}
@keyframes page-enter-from-right {
  from { transform: translate3d(72px, 0, 0); }
  to { transform: translate3d(0, 0, 0); }
}
@keyframes page-exit-to-left {
  from {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
  to {
    opacity: var(--page-exit-end-opacity);
    transform: translate3d(-72px, 0, 0);
  }
}
@keyframes page-exit-to-right {
  from {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
  to {
    opacity: var(--page-exit-end-opacity);
    transform: translate3d(72px, 0, 0);
  }
}
@keyframes page-element-fade-out {
  from { opacity: 1; }
  to { opacity: var(--page-exit-end-opacity); }
}
@keyframes page-element-fade-in {
  from { opacity: var(--page-enter-start-opacity); }
  to { opacity: 1; }
}
/* Anti-frost pass: large glass should refract, not smear the background. */
:root {
  --glass-filter: blur(1.2px) saturate(182%) contrast(1.1);
}

.home-hero,
.form-card,
.auth-card,
.song-hero,
.profile-header,
.comments-section,
.rating-section {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.46), rgba(255, 255, 255, 0.16) 46%, rgba(255, 231, 245, 0.26)),
    radial-gradient(44% 36% at 10% 0%, rgba(255, 255, 255, 0.46), transparent 68%),
    radial-gradient(38% 34% at 100% 100%, rgba(236, 72, 153, 0.14), transparent 70%) !important;
  backdrop-filter: blur(1px) saturate(178%) contrast(1.12) !important;
  -webkit-backdrop-filter: blur(1px) saturate(178%) contrast(1.12) !important;
}

.home-hero {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.38),
    inset 0 0 0 1px rgba(236, 72, 153, 0.12),
    inset 14px 0 28px rgba(255, 255, 255, 0.08),
    inset -16px 0 30px rgba(236, 72, 153, 0.08),
    0 18px 42px rgba(214, 51, 132, 0.12) !important;
}

.home-hero::before {
  opacity: 0.42;
}

.navbar,
.page-header p,
.search-input,
.genre-tab,
.sort-select,
.song-card,
.skeleton-card,
.empty-state,
.form-input,
.form-select,
.form-textarea,
.cover-upload,
.tag-option span,
.btn-outline,
.toast,
.viewer-section-header,
.back-btn,
.home-hero p,
.home-search-wrap,
.section-title,
.comment-input,
.comment-item,
.home-comment-item,
.captcha-box,
.user-card,
.pag-btn,
.upload-mode-tabs,
.batch-item,
.batch-remove,
.login-prompt,
.auth-tab,
.dist-bar-wrap {
  backdrop-filter: blur(1.2px) saturate(182%) contrast(1.1) !important;
  -webkit-backdrop-filter: blur(1.2px) saturate(182%) contrast(1.1) !important;
}

.navbar::after,
.form-card::before,
.song-card::before,
.empty-state::before,
.song-hero::before,
.viewer-section-header::before,
.home-hero::after,
.home-search-wrap::before,
.section-title::after,
.auth-card::before,
.profile-header::before,
.comments-section::before,
.rating-section::before,
.comment-item::before,
.user-card::before,
.home-comment-item::before,
.cover-upload::before,
.batch-item::before,
.ripple {
  filter: none !important;
  mix-blend-mode: normal !important;
}

/* Final home text readability overrides. */
.section-title {
  color: #171016 !important;
  font-weight: 950 !important;
  text-shadow: none !important;
}

.comment-username,
.home-comment-user {
  color: #26101a !important;
  font-weight: 950 !important;
}

.home-comment-song {
  color: #e11d83 !important;
  font-weight: 850 !important;
}

.home-comment-date {
  color: #8a365f !important;
  font-weight: 800 !important;
}

.home-comment-text {
  color: #4d2536 !important;
  font-weight: 800 !important;
}

.user-card-name {
  color: #26101b !important;
  font-weight: 900 !important;
}

.user-card-bio {
  color: #7f3658 !important;
  font-weight: 750 !important;
}

/* Editor workspace. */
.editor-main {
  padding-bottom: 34px;
}

.editor-container {
  max-width: 1480px;
}

.editor-page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.editor-quota,
.editor-status,
.editor-hint,
.editor-file-note {
  color: #5f4050;
  font-size: 0.85rem;
  font-weight: 800;
}

.editor-start-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 18px;
}

.editor-project-panel,
.editor-pane {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.34) 48%, rgba(255, 229, 245, 0.4)),
    radial-gradient(110% 90% at 12% 0%, rgba(255, 255, 255, 0.54), transparent 56%);
  border: 1px solid rgba(214, 51, 132, 0.2);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    inset 0 -14px 24px rgba(236, 72, 153, 0.07),
    0 12px 30px rgba(214, 51, 132, 0.11);
  backdrop-filter: blur(1.2px) saturate(182%) contrast(1.1);
  -webkit-backdrop-filter: blur(1.2px) saturate(182%) contrast(1.1);
}

.editor-project-panel {
  padding: 16px;
}

.editor-project-panel h2,
.editor-project-panel h3 {
  margin: 0 0 12px;
  color: #1f1017;
  font-size: 1rem;
  font-weight: 950;
}

.editor-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.editor-project-list {
  display: grid;
  gap: 10px;
}

.editor-project-item {
  width: 100%;
  display: grid;
  gap: 4px;
  padding: 13px 14px;
  border: 1px solid rgba(214, 51, 132, 0.18);
  border-radius: 14px;
  color: #2d121d;
  text-align: left;
  background: rgba(255, 246, 251, 0.62);
  cursor: pointer;
}

.editor-project-item strong {
  font-size: 0.98rem;
  font-weight: 950;
}

.editor-project-item span {
  color: #7b4058;
  font-size: 0.82rem;
  font-weight: 800;
}

.editor-workspace {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}

.editor-sidebar {
  order: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(220px, 1fr));
  gap: 14px;
}

.editor-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  align-content: start;
}

.editor-level-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.editor-level-tabs .genre-tab {
  padding-inline: 12px;
}

.editor-split {
  order: 1;
  display: grid;
  grid-template-columns: minmax(420px, 0.82fr) minmax(620px, 1.18fr);
  gap: 18px;
  min-width: 0;
  align-items: start;
}

.editor-split.is-swapped {
  grid-template-columns: minmax(620px, 1.18fr) minmax(420px, 0.82fr);
}

.editor-split.is-swapped .editor-text-pane {
  order: 2;
}

.editor-split.is-swapped .editor-preview-pane {
  order: 1;
}

.editor-pane {
  min-width: 0;
  padding: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.editor-notes {
  width: 100%;
  flex: 1 1 auto;
  min-height: 0;
  resize: vertical;
  padding: 14px;
  border: 1px solid rgba(214, 51, 132, 0.2);
  border-radius: 14px;
  color: #201018;
  background: rgba(255, 250, 253, 0.82);
  font-family: "Consolas", "SFMono-Regular", "Cascadia Mono", monospace;
  font-size: 0.92rem;
  line-height: 1.55;
  outline: none;
}

.editor-notes:focus {
  border-color: rgba(236, 72, 153, 0.55);
  box-shadow: var(--ring);
}

.editor-viewer-frame {
  position: relative;
  width: 100%;
  flex: 0 0 auto;
  aspect-ratio: 16 / 9;
  min-height: 0;
  overflow: hidden;
  border-radius: 14px;
  background: #130b12;
}

.editor-viewer-frame iframe,
.editor-unity-mount,
.majdata-embed-host,
.majdata-embed-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.editor-unity-mount,
.majdata-embed-host {
  background: #000;
}

.majdata-embed-canvas {
  display: block;
}

.majdata-embed-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.9);
  background: #000;
  font-weight: 800;
}

.editor-preview-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.editor-preview-level {
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid rgba(214, 51, 132, 0.22);
  border-radius: 999px;
  color: #25101a;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 900;
  background: rgba(255, 246, 251, 0.78);
  outline: none;
}

.editor-preview-controls {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.editor-preview-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.editor-preview-buttons .btn {
  min-height: 34px;
  padding: 7px 12px;
  font-size: 0.8rem;
}

.editor-token-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.editor-token-bar button {
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(214, 51, 132, 0.18);
  border-radius: 8px;
  color: #d6336c;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.62);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.editor-token-bar button:hover {
  border-color: rgba(214, 51, 132, 0.38);
  background: rgba(255, 255, 255, 0.88);
}

.editor-token-bar button:active {
  transform: translateY(1px);
}

.editor-check {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  color: #6b4557;
  font-size: 0.9rem;
  font-weight: 800;
}

.editor-check input {
  width: 18px;
  height: 18px;
  accent-color: #d6336c;
}

.editor-danger-action {
  border-color: rgba(239, 68, 68, 0.3) !important;
  color: #b91c1c !important;
}

.editor-preview-timeline {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) 92px 64px;
  gap: 10px;
  align-items: center;
}

.editor-preview-timeline input[type="range"] {
  width: 100%;
  accent-color: #d6336c;
}

.editor-preview-timeline .form-input {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 0.82rem;
}

#previewClock {
  color: #25101a;
  font-size: 0.82rem;
  font-weight: 900;
  text-align: right;
  white-space: nowrap;
}

.editor-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.editor-file-picker {
  display: inline-grid;
  place-items: center;
  min-height: 42px;
  margin-bottom: 8px;
  padding: 9px 16px;
  border: 1px solid rgba(214, 51, 132, 0.24);
  border-radius: 14px;
  color: #d6336c;
  font-size: 0.9rem;
  font-weight: 950;
  background:
    linear-gradient(145deg, rgba(255, 250, 253, 0.78), rgba(255, 235, 247, 0.46)),
    radial-gradient(90% 120% at 15% 0%, rgba(255, 255, 255, 0.55), transparent 58%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    inset 0 -10px 18px rgba(236, 72, 153, 0.08),
    0 8px 20px rgba(214, 51, 132, 0.1);
  cursor: pointer;
  user-select: none;
  transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
}

.editor-file-picker:hover {
  filter: brightness(1.04);
}

.editor-file-picker:active,
.editor-actions .btn:active,
.editor-project-item:active {
  transform: translateY(1px) scale(0.98);
  box-shadow:
    inset 0 2px 5px rgba(120, 20, 70, 0.12),
    inset 0 -8px 14px rgba(236, 72, 153, 0.06),
    0 4px 12px rgba(214, 51, 132, 0.1);
}

@media (max-width: 1080px) {
  .editor-start-panel,
  .editor-workspace,
  .editor-split {
    grid-template-columns: 1fr;
  }

  .editor-sidebar {
    order: 2;
    grid-template-columns: 1fr;
  }

  .editor-notes {
    min-height: 420px;
  }
}

/* Mobile-only experience. */
.mobile-page {
  min-height: 100vh;
  padding-bottom: calc(86px + env(safe-area-inset-bottom));
}

@supports (height: 100lvh) {
  .mobile-page {
    min-height: 100svh;
  }

  .mobile-page::before,
  .mobile-page::after,
  .mobile-page #page-veil {
    top: 0;
    right: 0;
    bottom: auto;
    left: 0;
    width: 100vw;
    height: 100lvh;
  }

  .mobile-page #page-veil {
    min-height: 100lvh;
    background-size: auto, auto, auto, cover, auto;
    background-position: 0 0, 0 0, 0 0, center, 0 0;
  }
}

.mobile-page #kanban-girl,
.mobile-page .navbar {
  display: none !important;
}

.mobile-shell {
  width: min(100%, 520px);
  margin: 0 auto;
  padding: calc(14px + env(safe-area-inset-top)) 14px 22px;
}

.mobile-content {
  transform: translateZ(0);
}

.mobile-topbar {
  position: sticky;
  top: 0;
  z-index: 130;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  margin: -4px -6px 10px;
  padding: 6px;
  background: rgba(255, 250, 253, 0.66);
  border-bottom: 1px solid rgba(214, 51, 132, 0.12);
  backdrop-filter: saturate(182%) contrast(1.08);
  -webkit-backdrop-filter: saturate(182%) contrast(1.08);
}

.mobile-brand {
  font-size: 1.3rem;
  font-weight: 950;
  letter-spacing: 0;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mobile-profile-pill,
.mobile-desktop-link,
.mobile-quick-actions a,
.mobile-bottom-nav a {
  text-decoration: none !important;
}

.mobile-top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.mobile-desktop-link {
  flex: 0 0 auto;
  padding: 7px 10px;
  border-radius: 999px;
  color: #8b5b70;
  font-size: 0.78rem;
  font-weight: 850;
  background: rgba(255, 246, 251, 0.48);
  border: 1px solid rgba(214, 51, 132, 0.14);
}

.mobile-profile-pill {
  max-width: 42vw;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--accent2);
  font-size: 0.86rem;
  font-weight: 850;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  background: rgba(255, 246, 251, 0.7);
  border: 1px solid rgba(214, 51, 132, 0.2);
}

.mobile-hero,
.mobile-song-item,
.mobile-comment-item,
.mobile-user-item,
.mobile-quick-actions a,
.mobile-bottom-nav {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.28) 48%, rgba(255, 229, 245, 0.36)),
    radial-gradient(110% 90% at 12% 0%, rgba(255, 255, 255, 0.52), transparent 56%);
  border: 1px solid rgba(214, 51, 132, 0.2);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    inset 0 -14px 24px rgba(236, 72, 153, 0.07),
    0 12px 30px rgba(214, 51, 132, 0.11);
  backdrop-filter: blur(1.2px) saturate(182%) contrast(1.1);
  -webkit-backdrop-filter: blur(1.2px) saturate(182%) contrast(1.1);
}

.mobile-hero {
  border-radius: 22px;
  padding: 22px 16px 16px;
  overflow: hidden;
}

.mobile-hero h1 {
  margin-bottom: 4px;
  font-size: 2.3rem;
  line-height: 1;
  font-weight: 950;
  letter-spacing: 0;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mobile-hero p {
  color: #6f4256;
  font-size: 0.92rem;
  font-weight: 750;
  line-height: 1.55;
}

.mobile-search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 16px;
  padding: 5px;
  border-radius: 999px;
  background: rgba(255, 246, 251, 0.66);
  border: 1px solid rgba(214, 51, 132, 0.18);
}

.mobile-search input {
  min-width: 0;
  padding: 10px 12px;
  border: 0;
  outline: 0;
  color: var(--text);
  font: inherit;
  background: transparent;
}

.mobile-search button {
  min-width: 74px;
  padding: 9px 14px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  font-weight: 900;
  background: var(--grad-accent);
  box-shadow: 0 7px 18px rgba(236, 72, 153, 0.28);
}

.mobile-quick-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0 20px;
}

.mobile-quick-actions a {
  min-height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--accent2);
  font-size: 0.88rem;
  font-weight: 900;
}

.mobile-section {
  margin-top: 22px;
}

.mobile-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.mobile-section-head h2 {
  color: #4b2333;
  font-size: 1.05rem;
  line-height: 1.2;
  font-weight: 950;
}

.mobile-section-head a {
  color: var(--accent2);
  font-size: 0.84rem;
  font-weight: 900;
}

.mobile-song-list,
.mobile-comments {
  display: grid;
  gap: 10px;
}

.mobile-song-item {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  min-height: 96px;
  padding: 10px;
  border-radius: 18px;
}

.mobile-song-cover {
  position: relative;
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  border-radius: 14px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.78);
  font-size: 2rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.44);
}

.mobile-song-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.mobile-song-title {
  color: #2f1521;
  font-size: 0.98rem;
  font-weight: 950;
  line-height: 1.28;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-song-artist {
  margin-top: 3px;
  color: #8b5b70;
  font-size: 0.82rem;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-song-foot {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
  color: var(--accent2);
  font-size: 0.76rem;
  font-weight: 900;
}

.mobile-song-foot span {
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255, 246, 251, 0.68);
  border: 1px solid rgba(214, 51, 132, 0.15);
}

.mobile-comment-item {
  display: block;
  padding: 12px;
  border-radius: 16px;
}

.mobile-comment-item div {
  display: flex;
  gap: 8px;
  align-items: baseline;
  min-width: 0;
}

.mobile-comment-item strong {
  color: #7a4058;
  font-size: 0.86rem;
  font-weight: 950;
}

.mobile-comment-item span {
  color: var(--accent2);
  font-size: 0.78rem;
  font-weight: 850;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-comment-item p {
  margin-top: 6px;
  color: #6f5260;
  font-size: 0.9rem;
  line-height: 1.48;
}

.mobile-user-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 84px;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.mobile-user-strip::-webkit-scrollbar {
  display: none;
}

.mobile-user-item {
  display: grid;
  justify-items: center;
  gap: 8px;
  min-height: 112px;
  padding: 12px 8px;
  border-radius: 16px;
}

.mobile-user-item img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 2px rgba(236, 72, 153, 0.22);
}

.mobile-user-item span {
  max-width: 100%;
  color: #5c3044;
  font-size: 0.78rem;
  font-weight: 900;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-bottom-nav {
  position: fixed;
  left: max(10px, env(safe-area-inset-left));
  right: max(10px, env(safe-area-inset-right));
  bottom: max(10px, env(safe-area-inset-bottom));
  z-index: 120;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  max-width: 500px;
  margin: 0 auto;
  padding: 6px;
  border-radius: 20px;
  isolation: isolate;
}

.mobile-bottom-nav a {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 42px;
  border-radius: 15px;
  color: #8f526c;
  font-size: 0.78rem;
  font-weight: 900;
  background: transparent;
  box-shadow: none;
  touch-action: manipulation;
}

.mobile-bottom-nav a.active {
  color: #8f526c;
  background: transparent;
  box-shadow: none;
}

.mobile-bottom-nav::before {
  z-index: 0;
  background:
    linear-gradient(135deg, rgba(236, 72, 153, 0.96), rgba(244, 114, 182, 0.88) 55%, rgba(192, 132, 252, 0.84)) !important;
  border-color: rgba(255, 255, 255, 0.7) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    inset 0 -12px 20px rgba(120, 20, 70, 0.12),
    0 9px 22px rgba(214, 51, 132, 0.34) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.mobile-bottom-nav::after {
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.52), transparent 30% 70%, rgba(255, 255, 255, 0.48)) !important;
  filter: none !important;
  mix-blend-mode: normal !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  mask-image: none !important;
  -webkit-mask-image: none !important;
}

.mobile-bottom-nav .liquid-label-base {
  color: #8f526c;
}

.mobile-bottom-nav .liquid-label-ink {
  color: #fff;
  text-shadow: 0 1px 5px rgba(120, 20, 70, 0.28);
}

.mobile-loading {
  height: 96px;
  border-radius: 18px;
  background: linear-gradient(90deg, rgba(236, 72, 153, 0.06) 25%, rgba(236, 72, 153, 0.14) 50%, rgba(236, 72, 153, 0.06) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease infinite;
}

.mobile-empty {
  color: var(--muted);
  font-weight: 800;
}

.mobile-page-head {
  margin: 10px 0 14px;
}

.mobile-page-head h1 {
  color: #2f1521;
  font-size: 1.85rem;
  line-height: 1.12;
  font-weight: 950;
  letter-spacing: 0;
}

.mobile-page-head p {
  margin-top: 6px;
  color: #7d5266;
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1.5;
}

.mobile-event-head h1 {
  font-size: 2.1rem;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mobile-panel,
.mobile-filter-panel,
.mobile-detail-hero,
.mobile-profile-card {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.34) 48%, rgba(255, 229, 245, 0.4)),
    radial-gradient(110% 90% at 12% 0%, rgba(255, 255, 255, 0.54), transparent 56%);
  border: 1px solid rgba(214, 51, 132, 0.2);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    inset 0 -14px 24px rgba(236, 72, 153, 0.07),
    0 12px 30px rgba(214, 51, 132, 0.11);
  backdrop-filter: blur(1.2px) saturate(182%) contrast(1.1);
  -webkit-backdrop-filter: blur(1.2px) saturate(182%) contrast(1.1);
}

.mobile-panel,
.mobile-filter-panel {
  padding: 14px;
}

.mobile-centered {
  display: grid;
  gap: 12px;
  justify-items: center;
  text-align: center;
}

.mobile-filter-panel {
  display: grid;
  gap: 10px;
}

.mobile-chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mobile-chip,
.mobile-chip-static {
  min-height: 34px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(214, 51, 132, 0.18);
  color: #8f526c;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 900;
  background: rgba(255, 246, 251, 0.66);
}

.mobile-chip.active,
.mobile-chip-static {
  color: #fff;
  border-color: transparent;
  background: var(--grad-accent);
  box-shadow: 0 8px 18px rgba(236, 72, 153, 0.24);
}

.mobile-select {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border-radius: 14px;
  border: 1px solid rgba(214, 51, 132, 0.18);
  color: var(--text);
  font: inherit;
  font-weight: 850;
  background: rgba(255, 246, 251, 0.72);
}

.mobile-pagination {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.mobile-pagination button {
  min-height: 40px;
  border: 0;
  border-radius: 13px;
  color: #fff;
  font-weight: 900;
  background: var(--grad-accent);
}

.mobile-pagination button:disabled {
  color: #b88ca0;
  background: rgba(255, 246, 251, 0.72);
}

.mobile-pagination span {
  color: #7d5266;
  font-size: 0.85rem;
  font-weight: 900;
}

.mobile-back-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  margin: 2px 0 10px;
  color: var(--accent2);
  font-size: 0.88rem;
  font-weight: 900;
}

.mobile-detail-hero {
  display: grid;
  gap: 14px;
  padding: 14px;
}

.mobile-detail-cover {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-height: 360px;
  border-radius: 16px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.82);
  font-size: 4rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.44);
}

.mobile-detail-info {
  min-width: 0;
}

.mobile-detail-info h1 {
  margin-top: 10px;
  color: #26111a;
  font-size: 1.55rem;
  line-height: 1.2;
  font-weight: 950;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.mobile-detail-info p,
.mobile-muted {
  color: #805a6b;
  font-size: 0.92rem;
  font-weight: 760;
}

.mobile-muted a {
  color: var(--accent2);
}

.mobile-description {
  margin-top: 12px;
  color: #5f4050;
  font-size: 0.92rem;
  line-height: 1.58;
  overflow-wrap: anywhere;
}

.mobile-action-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.mobile-primary-link,
.mobile-secondary-link {
  display: grid;
  place-items: center;
  min-height: 42px;
  padding: 9px 12px;
  border-radius: 14px;
  font-weight: 950;
  text-align: center;
}

.mobile-primary-link {
  color: #fff;
  background: var(--grad-accent);
}

.mobile-secondary-link {
  color: var(--accent2);
  background: rgba(255, 246, 251, 0.72);
  border: 1px solid rgba(214, 51, 132, 0.18);
}

.mobile-viewer-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 14px;
  background: rgba(255, 246, 251, 0.5);
}

.mobile-viewer-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.mobile-rating-grid {
  display: grid;
  gap: 14px;
}

.mobile-comment-form {
  display: grid;
  gap: 10px;
}

.mobile-comment-row {
  grid-template-columns: 38px minmax(0, 1fr);
}

.mobile-comment-row .comment-avatar,
.mobile-comment-row .comment-avatar img {
  width: 38px;
  height: 38px;
}

.mobile-profile-card {
  display: grid;
  gap: 14px;
  justify-items: center;
  padding: 18px 14px;
  text-align: center;
}

.mobile-profile-avatar {
  width: 94px;
  height: 94px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.2);
}

.mobile-profile-info {
  min-width: 0;
  width: 100%;
}

.mobile-profile-info h1 {
  color: #2f1521;
  font-size: 1.45rem;
  line-height: 1.2;
  font-weight: 950;
  overflow-wrap: anywhere;
}

.mobile-profile-info p {
  color: #765166;
  font-size: 0.9rem;
  line-height: 1.52;
  overflow-wrap: anywhere;
}

.mobile-profile-info span,
.mobile-note {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.mobile-edit-form {
  display: grid;
  gap: 12px;
  margin-top: 14px;
  text-align: left;
}

.mobile-inline-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
}

.mobile-inline-fields .captcha-box {
  min-width: 112px;
}

.mobile-mode-tabs {
  margin: 0 0 12px;
}

.mobile-upload-panel {
  display: grid;
  gap: 12px;
}

.mobile-compact-upload {
  min-height: 110px;
  padding: 16px;
}

.mobile-check-row .tag-option {
  margin: 0;
}

.mobile-check-row .tag-option span {
  min-height: 34px;
  padding: 7px 12px;
}

.mobile-inline-danger {
  position: absolute;
  right: 10px;
  bottom: 10px;
  min-height: 30px;
  padding: 5px 10px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 900;
  background: var(--danger);
}

.mobile-song-item {
  position: relative;
}

.mobile-song-item .level-badges {
  margin-top: 6px;
}

.mobile-song-item .level-badge {
  font-size: 0.68rem;
  padding: 1px 6px;
}

.mobile-auth-card .auth-tabs {
  margin-bottom: 16px;
}

.mobile-auth-card .auth-tab {
  border: 0;
}

@media (min-width: 721px) {
  .mobile-page .mobile-shell {
    padding-top: 24px;
  }
}