/* 中传电音 AI 音乐挑战赛 — Aurora Glass AI 浅色设计系统 */
:root {
  /* 背景与玻璃材质 */
  --bg-page:    #F7F9FF;
  --bg-card:    rgba(255, 255, 255, 0.82);
  --bg-header:  rgba(255, 255, 255, 0.78);
  --glass-strong: rgba(255, 255, 255, 0.90);
  --glass-soft: rgba(255, 255, 255, 0.66);
  --glass-border: rgba(255, 255, 255, 0.88);
  --glass-border-subtle: rgba(91, 107, 248, 0.14);

  /* 文字 */
  --text-primary:   #111827;
  --text-secondary: #4B5563;
  --text-muted:     #7B8190;

  /* 主题色（Aurora 蓝紫青） */
  --brand:        #5B6BF8;
  --brand-dark:   #3D4FE0;
  --brand-light:  #EEF0FE;
  --brand-cyan:   #06B6D4;
  --brand-pink:   #EC4899;
  --brand-ink:    #172554;
  --brand-gradient: linear-gradient(135deg, #5B6BF8 0%, #8B5CF6 48%, #06B6D4 100%);
  --brand-gradient-soft: linear-gradient(135deg, rgba(91,107,248,0.13), rgba(6,182,212,0.14));

  /* 状态色 */
  --success:  #16A34A;
  --warning:  #D97706;
  --danger:   #DC2626;
  --info:     #0284C7;

  /* 名次色 */
  --rank-gold:   #B8860B;
  --rank-silver: #6B7280;
  --rank-bronze: #92400E;

  /* 阴影与光感 */
  --shadow-sm: 0 8px 22px rgba(31, 41, 55, 0.06);
  --shadow-md: 0 16px 38px rgba(31, 41, 55, 0.10);
  --shadow-glow: 0 14px 34px rgba(91, 107, 248, 0.12);
  --ring-glow: 0 0 0 1px rgba(91, 107, 248, 0.13), 0 12px 28px rgba(6, 182, 212, 0.10);

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* 轻视差偏移，由 common.js 在桌面端写入 */
  --parallax-x: 0px;
  --parallax-y: 0px;
}

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

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at calc(12% + var(--parallax-x)) calc(8% + var(--parallax-y)), rgba(91,107,248,0.13), transparent 34%),
    radial-gradient(circle at calc(86% - var(--parallax-x)) calc(12% - var(--parallax-y)), rgba(6,182,212,0.13), transparent 30%),
    radial-gradient(circle at 50% 100%, rgba(236,72,153,0.07), transparent 40%),
    linear-gradient(180deg, #fbfcff 0%, #f4f7ff 55%, #f8fbff 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  isolation: isolate;
}
body::before,
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: -1;
}
body::before {
  inset: -24% -18%;
  background:
    radial-gradient(circle at 20% 30%, rgba(139,92,246,0.08), transparent 26%),
    radial-gradient(circle at 80% 22%, rgba(6,182,212,0.07), transparent 24%),
    radial-gradient(circle at 55% 76%, rgba(236,72,153,0.05), transparent 28%);
  filter: blur(10px);
  animation: auroraDrift 18s ease-in-out infinite alternate;
}
body::after {
  inset: 0;
  background-image:
    linear-gradient(rgba(91,107,248,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,182,212,0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 22%, rgba(0,0,0,0.8), transparent 68%);
  -webkit-mask-image: radial-gradient(circle at 50% 22%, rgba(0,0,0,0.8), transparent 68%);
  opacity: 0.45;
}
@keyframes auroraDrift {
  from { transform: translate3d(-1.5%, -1%, 0) scale(1); opacity: 0.9; }
  to { transform: translate3d(1.5%, 1%, 0) scale(1.04); opacity: 1; }
}
@keyframes softEnter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes softPop {
  0% { transform: scale(1); }
  45% { transform: scale(1.16); }
  100% { transform: scale(1); }
}
@keyframes successPulse {
  0% { box-shadow: var(--shadow-sm); border-color: var(--glass-border); }
  45% { box-shadow: 0 0 0 4px rgba(22,163,74,0.12), var(--shadow-glow); border-color: rgba(22,163,74,0.34); }
  100% { box-shadow: var(--shadow-sm); border-color: var(--glass-border); }
}
@keyframes filePicked {
  0% { border-color: rgba(91,107,248,0.28); }
  45% { border-color: rgba(22,163,74,0.42); background: rgba(236,253,245,0.68); }
  100% { border-color: rgba(91,107,248,0.28); }
}

/* 卡片 */
.card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}
.card:hover {
  transform: translateY(-1px);
  border-color: rgba(91, 107, 248, 0.22);
  box-shadow: var(--shadow-glow);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0.5rem 1.25rem;
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary   {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 8px 18px rgba(91, 107, 248, 0.18);
}
.btn-primary:hover { box-shadow: 0 12px 26px rgba(91, 107, 248, 0.24); }
.btn-secondary {
  background: rgba(255,255,255,0.62);
  color: var(--brand-ink);
  border-color: rgba(91,107,248,0.16);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.btn-secondary:hover { background: rgba(255,255,255,0.88); box-shadow: 0 8px 22px rgba(91,107,248,0.10); }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-success   { background: var(--success); color: #fff; }
.btn:disabled  { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

/* 全局锁横幅 */
.global-lock-banner {
  background: rgba(255, 247, 237, 0.86);
  border-bottom: 1px solid rgba(245, 158, 11, 0.35);
  color: #92400E;
  text-align: center;
  padding: 0.6rem 1rem;
  font-weight: 600;
  font-size: 0.95rem;
}

/* 徽章 */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid transparent;
}
.badge-open    { background: rgba(220,252,231,0.74); color: #15803D; border-color: rgba(22,163,74,0.18); }
.badge-closed  { background: rgba(243,244,246,0.78); color: #6B7280; border-color: rgba(107,114,128,0.14); }
.badge-active  { background: rgba(238,240,254,0.76); color: var(--brand-dark); border-color: rgba(91,107,248,0.18); }

/* 星级 */
.stars { display: flex; gap: 4px; }
.star {
  font-size: 1.6rem;
  cursor: pointer;
  color: #D1D5DB;
  transition: color 0.1s, transform 0.1s;
  user-select: none;
  line-height: 1;
  padding: 0.1rem;
}
.star.active {
  color: #F59E0B;
  text-shadow: 0 0 14px rgba(245, 158, 11, 0.28);
}
.star:hover  { transform: scale(1.16); color: #FBBF24; }
.star.star-pop { animation: softPop 0.18s ease; }

/* 扁平化 SVG 图标 */
.icon {
  width: 1.05em;
  height: 1.05em;
  flex: 0 0 auto;
  vertical-align: -0.16em;
}
.icon-muted { color: var(--text-muted); }
.icon-success { color: var(--success); }
.icon-warning { color: var(--warning); }
.icon-brand { color: var(--brand); }
.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(91,107,248,0.16);
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.medal-icon {
  display: inline-grid;
  place-items: center;
  width: 2.05rem;
  height: 2.05rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 900;
  line-height: 1;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.72), 0 10px 24px rgba(31,41,55,0.10);
}
.medal-1 { color: #7C4A03; background: linear-gradient(180deg, #FEF3C7, #F59E0B); }
.medal-2 { color: #334155; background: linear-gradient(180deg, #F8FAFC, #CBD5E1); }
.medal-3 { color: #7C2D12; background: linear-gradient(180deg, #FED7AA, #C2410C); }
.status-dot {
  display: inline-block;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 999px;
  vertical-align: 0.02em;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.72);
}
.status-open { background: var(--success); }
.status-closed { background: var(--danger); }

/* 投票作品卡 */
.work-card {
  position: relative;
  overflow: hidden;
}
.work-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.46), transparent 42%),
    radial-gradient(circle at 92% 8%, rgba(6,182,212,0.10), transparent 26%);
  pointer-events: none;
}
.work-card > * {
  position: relative;
  z-index: 1;
}
.work-card.score-saved { animation: successPulse 0.72s ease; }
.work-card-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.32rem;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  background: rgba(238,240,254,0.78);
  border: 1px solid rgba(91,107,248,0.14);
  color: var(--brand-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.score-dimension {
  margin-bottom: 0.6rem;
  padding: 0.62rem 0.7rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.48);
  border: 1px solid rgba(91,107,248,0.08);
}
.score-dimension-selected {
  background: rgba(255,255,255,0.72);
  border-color: rgba(91,107,248,0.18);
}
.score-dimension-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 3px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.score-value {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
}
.score-dimension-selected .score-value {
  color: var(--brand-dark);
}

/* 名次颜色 */
.rank-1 { color: var(--rank-gold);   font-weight: 800; }
.rank-2 { color: var(--rank-silver); font-weight: 700; }
.rank-3 { color: var(--rank-bronze); font-weight: 700; }

/* 导航栏 */
.nav {
  background: var(--bg-header);
  box-shadow: 0 6px 22px rgba(31, 41, 55, 0.06);
  border-bottom: 1px solid rgba(255,255,255,0.72);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px) saturate(145%);
  -webkit-backdrop-filter: blur(14px) saturate(145%);
}
.nav-brand {
  font-weight: 800;
  font-size: 1.05rem;
  color: transparent;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  text-decoration: none;
  white-space: nowrap;
}
.nav-links { display: flex; gap: 0.5rem; flex: 1; flex-wrap: wrap; }
.nav-link {
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: background 0.15s;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  background: rgba(238,240,254,0.78);
  color: var(--brand);
  box-shadow: 0 8px 22px rgba(91,107,248,0.10);
}
.nav-user {
  margin-left: auto;
  white-space: nowrap;
}
.nav-logout {
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.82rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}
.nav-logout:hover {
  background: rgba(243,244,246,0.76);
  color: var(--text-secondary);
}

/* 容器 */
.container { max-width: 900px; margin: 0 auto; padding: 1.75rem 1rem; }

/* 页脚版权 */
.site-footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 0.5rem 1rem 1.4rem;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-align: center;
}
.screen-footer {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 2rem 1.2rem;
  color: rgba(75,85,99,0.58);
  font-size: 0.72rem;
  text-align: center;
}

/* 页面标题区 */
.page-hero {
  margin-bottom: 1.35rem;
  padding: 1.2rem 0 0.3rem;
}
.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(91,107,248,0.14);
  color: var(--brand-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: 0.55rem;
}
.page-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.05em;
  color: transparent;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
}
.page-subtitle {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-top: 0.45rem;
}

/* 统一提示块 */
.callout {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.72rem 0.88rem;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.72);
  background: rgba(255,255,255,0.58);
  color: var(--text-secondary);
  font-size: 0.88rem;
  box-shadow: 0 10px 26px rgba(31,41,55,0.05);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
}
.callout + .callout { margin-top: 0.55rem; }
.callout strong { color: var(--text-primary); }
.callout-success {
  background: rgba(236,253,245,0.70);
  border-color: rgba(22,163,74,0.18);
  color: #166534;
}
.callout-info {
  background: rgba(240,249,255,0.70);
  border-color: rgba(6,182,212,0.20);
  color: #075985;
}
.callout-warning {
  background: rgba(255,247,237,0.72);
  border-color: rgba(217,119,6,0.20);
  color: #9A3412;
}
.callout-danger {
  background: rgba(254,242,242,0.74);
  border-color: rgba(220,38,38,0.22);
  color: #991B1B;
}

/* 玻璃表格 */
.glass-table-wrap {
  overflow-x: auto;
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
}
.glass-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255,255,255,0.80);
  border: 1px solid rgba(255,255,255,0.84);
  overflow: hidden;
  backdrop-filter: blur(10px) saturate(135%);
  -webkit-backdrop-filter: blur(10px) saturate(135%);
}
.glass-table thead {
  background: linear-gradient(135deg, rgba(238,240,254,0.86), rgba(224,247,255,0.72));
}
.glass-table th {
  padding: 0.78rem 0.65rem;
  font-size: 0.84rem;
  color: var(--brand-dark);
  text-align: center;
}
.glass-table td {
  padding: 0.82rem 0.65rem;
  border-bottom: 1px solid rgba(91,107,248,0.08);
}
.glass-table tbody tr {
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
  animation: softEnter 0.32s ease both;
}
.glass-table tbody tr:hover {
  background: rgba(255,255,255,0.54);
  box-shadow: inset 3px 0 0 rgba(91,107,248,0.28);
}
.glass-table .row-top-1 { background: rgba(255,248,220,0.44); }
.glass-table .row-top-2 { background: rgba(248,250,252,0.52); }
.glass-table .row-top-3 { background: rgba(255,237,213,0.36); }

/* 投递页选项卡 */
.radio-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 0.45rem;
}
.radio-card {
  position: relative;
  display: grid;
  gap: 0.35rem;
  min-height: 104px;
  padding: 0.85rem;
  border-radius: 18px;
  border: 1px solid rgba(91,107,248,0.12);
  background: rgba(255,255,255,0.52);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.radio-card:hover {
  transform: translateY(-2px);
  border-color: rgba(91,107,248,0.24);
  box-shadow: 0 8px 22px rgba(91,107,248,0.10);
}
.radio-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.radio-card:has(input:checked) {
  background: linear-gradient(135deg, rgba(238,240,254,0.88), rgba(224,247,255,0.78));
  border-color: rgba(91,107,248,0.32);
  box-shadow: 0 8px 22px rgba(91,107,248,0.12);
}
.radio-card-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-primary);
  font-weight: 800;
}
.radio-card-desc {
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.empty-state {
  text-align: center;
  padding: 2.4rem 1rem;
  color: var(--text-muted);
}
.empty-state img {
  width: 64px;
  height: 64px;
  opacity: 0.82;
  margin-bottom: 0.75rem;
}

/* 投票页顶部状态面板 */
.vote-hero {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 1.15rem;
}
.vote-hero-main {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}
.vote-hero-title {
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text-primary);
}
.vote-hero-sub {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.35rem;
}
.vote-progress-card {
  min-width: 172px;
  padding: 0.8rem 0.95rem;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(236,253,245,0.86), rgba(224,247,255,0.72));
  border: 1px solid rgba(22,163,74,0.16);
  box-shadow: 0 12px 30px rgba(22,163,74,0.08);
}
.vote-progress-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: #166534;
  font-size: 0.78rem;
  font-weight: 800;
}
.vote-progress-value {
  margin-top: 0.25rem;
  font-size: 1.45rem;
  line-height: 1;
  font-weight: 900;
  color: var(--text-primary);
}
.vote-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.toggle-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.52rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(91,107,248,0.14);
  background: rgba(255,255,255,0.58);
  color: var(--text-primary);
  font-size: 0.88rem;
  cursor: pointer;
}
.toggle-pill input { accent-color: var(--brand); }
.details-panel {
  border-radius: 16px;
  border: 1px solid rgba(91,107,248,0.12);
  background: rgba(255,255,255,0.64);
  overflow: hidden;
}
.details-panel summary {
  list-style: none;
  cursor: pointer;
  padding: 0.65rem 0.85rem;
  color: var(--brand-dark);
  font-weight: 800;
  font-size: 0.86rem;
}
.details-panel summary::-webkit-details-marker { display: none; }
.details-panel-body {
  display: grid;
  gap: 0.55rem;
  padding: 0 0.85rem 0.85rem;
}

/* 作品详情弹窗 */
.work-detail-modal {
  width: min(840px, calc(100vw - 2rem));
  max-width: 840px;
  padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
}
.work-detail-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.35rem 1.45rem 1rem;
  background: linear-gradient(135deg, rgba(238,240,254,0.78), rgba(224,247,255,0.58));
  border-bottom: 1px solid rgba(91,107,248,0.10);
}
.work-detail-kicker {
  color: var(--brand-dark);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}
.work-detail-meta {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  color: var(--text-secondary);
  font-size: 0.88rem;
}
.work-detail-close {
  min-width: 38px;
  width: 38px;
  height: 38px;
  padding: 0;
}
.work-detail-body {
  display: grid;
  gap: 0.9rem;
  padding: 1.1rem 1.45rem 1.45rem;
}
.detail-section {
  padding: 0.95rem;
  border-radius: 18px;
  background: rgba(255,255,255,0.66);
  border: 1px solid rgba(91,107,248,0.09);
}
.detail-section-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-primary);
  font-weight: 850;
  margin-bottom: 0.45rem;
}
.detail-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}
.detail-stat {
  padding: 0.78rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(91,107,248,0.10);
}
.detail-stat-label {
  color: var(--text-muted);
  font-size: 0.76rem;
}
.detail-stat-value {
  margin-top: 0.2rem;
  color: var(--text-primary);
  font-size: 1.15rem;
  font-weight: 900;
}
.radar-shell {
  padding: 0.75rem;
  border-radius: 18px;
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(6,182,212,0.10);
  overflow: hidden;
}
.radar-shell canvas {
  display: block;
  max-width: 100%;
}

/* 自定义上传控件 */
.file-upload {
  position: relative;
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border-radius: 18px;
  border: 1.5px dashed rgba(91,107,248,0.28);
  background: rgba(255,255,255,0.52);
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.file-upload:hover {
  border-color: rgba(91,107,248,0.48);
  box-shadow: 0 8px 22px rgba(91,107,248,0.10);
  background: rgba(255,255,255,0.68);
}
.file-upload.file-picked { animation: filePicked 0.72s ease; }
.file-upload input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.file-upload-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-primary);
  font-weight: 850;
}
.file-upload-meta {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* 表单 */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-weight: 500; margin-bottom: 0.35rem; font-size: 0.9rem; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1.5px solid rgba(91,107,248,0.14);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  background: rgba(255,255,255,0.72);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(91,107,248,0.10);
  background: rgba(255,255,255,0.94);
}

/* 模态框 */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(17,24,39,0.24);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  padding: 1rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.modal {
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  max-width: 480px;
  width: 100%;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(14px) saturate(145%);
  -webkit-backdrop-filter: blur(14px) saturate(145%);
  scrollbar-width: thin;
  scrollbar-color: rgba(91,107,248,0.28) transparent;
}
.modal::-webkit-scrollbar { width: 8px; }
.modal::-webkit-scrollbar-track { background: transparent; }
.modal::-webkit-scrollbar-thumb {
  background: rgba(91,107,248,0.24);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
.modal::-webkit-scrollbar-thumb:hover { background: rgba(91,107,248,0.36); background-clip: padding-box; }
.modal-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.75rem; }

/* 音频区 */
.audio-player-shell {
  display: grid;
  gap: 0.5rem;
  width: 100%;
  max-width: 420px;
  padding: 0.75rem;
  border-radius: 18px;
  background: rgba(255,255,255,0.66);
  border: 1px solid rgba(91,107,248,0.10);
}
.audio-player-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 800;
}
.audio-player-shell audio {
  display: block;
  width: 100%;
  max-width: none;
  height: 38px;
  border-radius: 999px;
}
.audio-none-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(240,249,255,0.76);
  color: #0369A1;
  border: 1px solid rgba(186,230,253,0.9);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.82rem;
  font-weight: 500;
}
.audio-error-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(254,243,199,0.82);
  color: #92400E;
  border: 1px solid #FDE68A;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.82rem;
}

.scroll-hint {
  display: none;
  color: var(--text-muted);
  font-size: 0.76rem;
  margin: 0.35rem 0 0.45rem;
}

/* 加载态 */
.spinner {
  border: 3px solid rgba(229,231,235,0.8);
  border-top-color: var(--brand);
  border-radius: 50%;
  width: 32px; height: 32px;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 吐司通知 */
#toast {
  position: fixed;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(17,24,39,0.88);
  color: #fff;
  padding: 0.6rem 1.5rem;
  border-radius: 999px;
  font-size: 0.9rem;
  z-index: 9999;
  transition: transform 0.3s ease;
  white-space: nowrap;
  box-shadow: 0 12px 30px rgba(17,24,39,0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
#toast.show { transform: translateX(-50%) translateY(0); }
#toast.success { background: var(--success); }
#toast.error   { background: var(--danger); }

/* 响应式 */
@media (max-width: 600px) {
  .nav {
    height: auto;
    min-height: 56px;
    padding: 0.5rem 0.75rem;
    gap: 0.45rem;
    flex-wrap: wrap;
    align-items: center;
  }
  .nav-brand { font-size: 0.9rem; }
  .brand-logo { width: 24px; height: 24px; border-radius: 8px; }
  .nav-links {
    order: 3;
    width: 100%;
    flex: 0 0 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    gap: 0.35rem;
    padding-bottom: 0.15rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-link {
    flex: 0 0 auto;
    font-size: 0.82rem;
    padding: 0.28rem 0.6rem;
  }
  .nav-user { margin-left: 0; }
  .nav-logout { font-size: 0.76rem; padding: 0.2rem 0.35rem; }
  .container { padding: 1rem 0.75rem; }
  .site-footer { padding: 0.35rem 0.75rem 1rem; font-size: 0.72rem; }
  .screen-footer { padding: 0 0.75rem 1rem; font-size: 0.68rem; }
  .card { padding: 1rem; border-radius: var(--radius-sm); }
  .btn { width: 100%; min-height: 44px; }
  .page-hero { padding-top: 0.55rem; }
  .page-title { font-size: 1.55rem; letter-spacing: -0.035em; }
  .page-subtitle { font-size: 0.86rem; }
  .form-input, .form-select, .form-textarea { font-size: 16px; }
  .radio-card-grid { grid-template-columns: 1fr; }
  .vote-hero-main { flex-direction: column; }
  .vote-progress-card { width: 100%; }
  .vote-toolbar { align-items: stretch; }
  .toggle-pill { width: 100%; justify-content: center; }
  .work-card { margin-bottom: 0.8rem !important; }
  .work-card-kicker { font-size: 0.68rem; margin-bottom: 0.22rem; }
  .vote-card-head { gap: 0.35rem !important; }
  .vote-card-actions { justify-content: flex-start; width: 100%; }
  .work-card .audio-player-shell,
  .work-card .audio-none-badge { margin-top: -0.15rem; }
  .score-dimension {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.45rem;
    padding: 0.52rem 0.62rem;
  }
  .score-dimension-head {
    display: grid;
    gap: 0.05rem;
    margin-bottom: 0;
    min-width: 4.6rem;
  }
  .score-value { font-size: 0.7rem; }
  .score-dimension .stars { flex: 0 0 auto; }
  .vote-submit-row { margin-top: 0.55rem !important; }
  .glass-table th, .glass-table td { padding: 0.68rem 0.55rem; }
  .scroll-hint { display: block; }
  .medal-icon { width: 1.72rem; height: 1.72rem; font-size: 0.78rem; }
  .detail-stats { grid-template-columns: 1fr; }
  .work-detail-header, .work-detail-body { padding-left: 1rem; padding-right: 1rem; }
  .work-detail-header { padding-top: 1rem; }
  .work-detail-header::before {
    content: "";
    position: absolute;
    top: 0.45rem;
    left: 50%;
    width: 42px;
    height: 4px;
    border-radius: 999px;
    background: rgba(91,107,248,0.22);
    transform: translateX(-50%);
  }
  .work-detail-header {
    position: sticky;
    top: 0;
    z-index: 2;
    padding-top: 1.25rem;
  }
  .work-detail-modal {
    width: calc(100vw - 1.5rem);
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-sm);
  }
  .radar-shell { padding: 0.45rem; }
  .radar-shell canvas { max-height: 220px; }
  .audio-player-shell { max-width: none; }
  .file-upload { padding: 0.9rem; }
  .radio-card {
    min-height: auto;
    padding: 0.72rem 0.8rem;
  }
  .radio-card-title { font-size: 0.9rem; }
  .radio-card-desc { font-size: 0.74rem; }
  .file-upload-title { font-size: 0.9rem; }
  .file-upload-meta { font-size: 0.74rem; }
  #submitBtn { margin-top: 0.25rem !important; }
  .stars { gap: 0.35rem; }
  .star { font-size: 2rem; padding: 0.2rem; }
  .modal-overlay {
    align-items: flex-end;
    padding: 0.75rem;
  }
  .modal {
    max-width: none;
    max-height: calc(100vh - 1.5rem);
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-sm);
    padding: 1.1rem;
  }
  #toast {
    width: calc(100vw - 2rem);
    white-space: normal;
    text-align: center;
    padding: 0.6rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
  body::before { transform: none !important; }
}