/* --- 本地字体: UnboundedSans (作为主标题字体) --- */
@font-face {
  font-family: "UnboundedSans";
  src: url("UnboundedSans.otf") format("opentype"),
    url("UnboundedSans.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Design Tokens */
  --md-primary: #6750a4;
  --md-surface: #fdfbff;
  --md-surface-container: #f0f4f9;
  --md-on-surface: #191c20;
  --sidebar-width: 260px;
  --sidebar-width-collapsed: 80px;
  --sidebar-bg: #f3f3f6;
}

[data-theme="dark"] {
  --md-primary: #d0bcff;
  --md-surface: #101010;
  --md-surface-container: #1e1e1e;
  --md-on-surface: #e6e1e5;
  --sidebar-bg: #141414;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: "Inter", "Roboto", sans-serif;
  background-color: var(--md-surface);
  color: var(--md-on-surface);
  margin: 0;
  height: 100vh;
  display: flex;
  overflow: hidden;
  transition: background-color 0.3s;
}

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 50;
  transition: 0.3s;
}

.sidebar.collapsed {
  width: var(--sidebar-width-collapsed);
}

.sidebar-header {
  padding: 24px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  font-size: 20px;
  color: var(--md-primary);
  overflow: hidden;
  white-space: nowrap;
}

.sidebar.collapsed .logo-area {
  display: none;
}

.sidebar.collapsed .sidebar-header {
  justify-content: center;
}

.toggle-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  color: var(--md-on-surface);
  opacity: 0.6;
  transition: 0.2s;
}

.toggle-btn:hover {
  background: rgba(0, 0, 0, 0.05);
  opacity: 1;
}

.nav-links {
  flex: 1;
  padding: 0 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--md-on-surface);
  font-weight: 500;
  transition: 0.2s;
  white-space: nowrap;
  overflow: hidden;
}

.nav-item:hover {
  background: rgba(128, 128, 128, 0.1);
}

.nav-item.active {
  background: var(--md-surface-container);
  color: var(--md-primary);
}

.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 14px;
}

.sidebar.collapsed .nav-text {
  display: none;
}

.sidebar-bottom {
  padding: 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar.collapsed .sidebar-bottom {
  align-items: center;
}

.sidebar.collapsed .dev-info {
  display: none;
}

.dev-info {
  font-size: 11px;
  opacity: 0.5;
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--md-surface);
  position: relative;
}

.top-bar {
  padding: 0 40px;
  height: 70px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
}

.control-btn {
  border: 1px solid rgba(128, 128, 128, 0.2);
  background: transparent;
  color: var(--md-on-surface);
  padding: 8px 16px;
  border-radius: 24px;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: 0.2s;
}

.control-btn:hover {
  background: rgba(128, 128, 128, 0.1);
  border-color: var(--md-primary);
}

.dropdown-menu {
  position: absolute;
  top: 110%;
  right: 0;
  background: var(--md-surface);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  padding: 6px;
  min-width: 140px;
  display: none;
  z-index: 100;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.dropdown-menu.show {
  display: block;
  animation: fadeIn 0.1s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.menu-option {
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.menu-option:hover {
  background: var(--md-surface-container);
}

.menu-option.selected {
  color: var(--md-primary);
  background: rgba(103, 80, 164, 0.08);
  font-weight: 600;
}

/* Workspace */
.workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  overflow-y: auto;
}

/* Search */
.search-wrapper {
  width: 100%;
  max-width: 480px;
  position: relative;
  margin-bottom: 20px;
  z-index: 20;
}

.search-input-box {
  background: var(--md-surface-container);
  height: 50px;
  border-radius: 25px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  transition: 0.3s;
}

.search-input-box:focus-within {
  background: var(--md-surface);
  box-shadow: 0 0 0 2px var(--md-primary);
}

.search-input-box input {
  border: none;
  background: transparent;
  flex: 1;
  font-size: 16px;
  margin-left: 10px;
  outline: none;
  color: var(--md-on-surface);
}

.suggestions {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  background: var(--md-surface);
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  display: none;
  z-index: 100;
}

.suggestion-item {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.suggestion-item:hover {
  background: rgba(0, 0, 0, 0.03);
}

/* --- CARD WRAPPER --- */
.card-wrapper {
  padding: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 600px;
  position: relative;
}

#vinyl-card {
  position: relative;
  overflow: hidden;
  transition: all 0.5s ease;
  display: flex;
  flex-direction: column;
}

/* === STYLE 1: LIQUID GLASS === */
#vinyl-card.style-liquid {
  width: 360px;
  aspect-ratio: 0.66;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 20px 60px -10px rgba(0, 0, 0, 0.3);
  color: white;
}

.liquid-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.liquid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.9;
  background-size: 200% 200%;
}

.liquid-glass {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(50px) saturate(140%);
  -webkit-backdrop-filter: blur(50px) saturate(140%);
}

.content-liquid {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.cover-l {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  margin-bottom: auto;
  overflow: hidden;
}

.info-l {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.title-l {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.artist-l {
  font-size: 16px;
  opacity: 0.9;
  font-weight: 500;
}

.tags-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.pill {
  background: rgba(255, 255, 255, 0.15);
  padding: 0 10px;
  border-radius: 6px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* --- Dynamic Font Sizes (Liquid) --- */
.title-l.size-medium {
  font-size: 20px;
}

.title-l.size-long {
  font-size: 18px;
}

.title-l.size-vlong {
  font-size: 16px;
  line-height: 1.1;
}

.title-l.size-huge {
  font-size: 14px;
  line-height: 1.1;
}

.artist-l.size-long {
  font-size: 14px;
}

.artist-l.size-vlong {
  font-size: 12px;
}

.watermark {
  position: absolute;
  bottom: 150px;
  right: 2px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 8px;
  opacity: 0.35;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  pointer-events: none;
}

/* === STYLE 2: CLASSIC VIBE === */
#vinyl-card.style-jewel {
  width: 500px;
  height: 600px;
  padding: 50px;
  border-radius: 0;
  --bg-c1: #e0e0e0;
  --bg-c2: #f5f5f5;
  background-color: var(--bg-c1);
  background-image: radial-gradient(at 0% 0%, var(--bg-c2) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(255, 255, 255, 0.8) 0px, transparent 40%),
    radial-gradient(at 100% 100%, var(--bg-c2) 0px, transparent 60%),
    radial-gradient(at 0% 100%, rgba(255, 255, 255, 0.5) 0px, transparent 40%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.grain-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
  /* mix-blend-mode: overlay; -> 移到 JS 动态控制 */
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='1'/%3E%3C/svg%3E");
}

.content-jewel {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  transform: rotate(-1deg);
  z-index: 10;
}

.jewel-case-white {
  width: 380px;
  height: 335px;
  background: #fdfdfd;
  position: relative;
  border-radius: 4px;
  padding: 6px 6px 6px 36px;
  box-shadow: 1px 1px 0px rgba(255, 255, 255, 0.6),
    15px 30px 60px -10px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 0, 0, 0.03);
  display: flex;
}

.jewel-spine-white {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 36px;
  background: #f4f4f4;
  border-right: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 4px 0 0 4px;
  z-index: 10;
  overflow: hidden;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 3px
  );
}

.spine-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-90deg);
  white-space: nowrap;
  font-size: 9px;
  font-weight: normal;
  color: #888;
  letter-spacing: 1px;
  width: 300px;
  text-align: center;
  font-family: "UnboundedSans", "Inter", sans-serif;
}

.jewel-cover-area {
  width: 100%;
  height: 100%;
  position: relative;
  background: #fff;
  box-shadow: inset 2px 2px 6px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.jewel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.02) saturate(1.05);
}

.plastic-shell {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  box-shadow: inset 1px 1px 2px rgba(255, 255, 255, 0.9),
    inset -1px -1px 2px rgba(0, 0, 0, 0.1),
    inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  background: linear-gradient(
    115deg,
    rgba(255, 255, 255, 0) 30%,
    rgba(255, 255, 255, 0.4) 45%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0) 60%
  );
  opacity: 0.7;
}

.plastic-scuffs {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  pointer-events: none;
  z-index: 21;
  /* mix-blend-mode: screen; -> 移到 JS 动态控制 */
  mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='scuff'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.08' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23scuff)' opacity='0.4'/%3E%3C/svg%3E");
}

.hinge-w {
  position: absolute;
  left: 12px;
  width: 6px;
  height: 24px;
  background: linear-gradient(to right, #e0e0e0, #fff, #d0d0d0);
  border-radius: 1px;
  box-shadow: 1px 0 2px rgba(0, 0, 0, 0.1);
  z-index: 30;
}

.hinge-w.top {
  top: 20px;
}

.hinge-w.bottom {
  bottom: 20px;
}

.cd-logo {
  position: absolute;
  bottom: 8px;
  right: 10px;
  z-index: 30;
  font-family: sans-serif;
  font-weight: 900;
  font-size: 10px;
  color: rgba(0, 0, 0, 0.2);
  pointer-events: none;
  letter-spacing: -0.5px;
}

.jewel-info-card {
  margin-top: 30px;
  background: #fff;
  padding: 16px 24px;
  border-radius: 2px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  text-align: center;
  width: 80%;
  position: relative;
  transform: rotate(0.5deg);
}

.tape {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 25px;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(2px);
  border-left: 1px dashed rgba(0, 0, 0, 0.1);
  border-right: 1px dashed rgba(0, 0, 0, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  z-index: 50;
  opacity: 0.8;
}

/* 字体应用类 */
.font-main {
  font-family: "UnboundedSans", monospace;
}

.font-artist {
  font-family: "Noto Sans Mono", "Noto Sans SC", sans-serif;
}

.font-fallback {
  font-family: "Inter", "Roboto", sans-serif !important;
}

.j-title {
  font-weight: normal;
  font-size: 32px;
  color: #222;
  margin-bottom: 4px;
}

.j-artist {
  font-size: 13px;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.j-meta {
  margin-top: 12px;
  border-top: 1px dashed #ddd;
  padding-top: 8px;
  font-size: 11px;
  color: #999;
  display: flex;
  justify-content: space-between;
}

/* --- Dynamic Font Sizes (Jewel) --- */
.j-title.size-medium {
  font-size: 26px;
}

.j-title.size-long {
  font-size: 22px;
}

.j-title.size-vlong {
  font-size: 18px;
}

.j-title.size-huge {
  font-size: 15px;
}

/* Spine Text Sizing */
.spine-text.size-long {
  font-size: 8px;
  letter-spacing: 0.5px;
}

.spine-text.size-vlong {
  font-size: 7px;
  letter-spacing: 0px;
}

.spine-text.size-huge {
  font-size: 6px;
  letter-spacing: 0px;
}

/* FAB */
.fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--md-primary);
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 90;
  transition: 0.2s;
}

.fab:hover {
  transform: scale(1.1) rotate(90deg);
}

.fab.loading {
  opacity: 0.7;
  pointer-events: none;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(0.95);
  }

  100% {
    transform: scale(1);
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: 60px;
    flex-direction: row;
    order: 2;
    padding: 0;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
  }

  .sidebar-header,
  .sidebar-bottom {
    display: none;
  }

  .nav-links {
    flex-direction: row;
    width: 100%;
    justify-content: space-around;
    margin: 0;
  }

  .nav-item {
    flex-direction: column;
    font-size: 10px;
    padding: 5px;
    gap: 2px;
  }

  .main-content {
    padding-bottom: 60px;
    height: 100vh;
  }

  .workspace {
    padding: 10px;
  }

  .card-wrapper {
    padding: 10px;
    width: 100%;
    min-height: unset;
  }

  #vinyl-card.style-jewel {
    width: 100%;
    padding: 20px;
    height: auto;
  }

  .jewel-case-white {
    width: 100%;
    height: auto;
    aspect-ratio: 1.15/1;
  }

  .top-bar {
    padding: 0 15px;
    height: 60px;
  }
}