:root {
  --bg: #0e0f1a;
  --bg-soft: #161827;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f2f3f8;
  --text-dim: #9aa0b5;
  --accent: #7873f5;
  --accent-2: #ff6ec4;
  --radius: 22px;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-ui: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC",
    "Microsoft YaHei", Helvetica, Arial, sans-serif;
  --font-techno: "SF Mono", "Segoe UI Mono", "Roboto Mono", Menlo, Consolas,
    "DejaVu Sans Mono", "Liberation Mono", monospace;
  --font-display: "Impact", "Haettenschweiler", "Arial Narrow Bold",
    "Oswald", "Anton", "PingFang SC", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "DejaVu Sans Mono",
    "Liberation Mono", monospace;
}

[data-theme="light"] {
  --bg: #eef0f7;
  --bg-soft: #ffffff;
  --surface: rgba(20, 22, 40, 0.03);
  --surface-strong: rgba(20, 22, 40, 0.06);
  --border: rgba(20, 22, 40, 0.08);
  --text: #15182a;
  --text-dim: #5b6178;
  --shadow: 0 20px 50px -24px rgba(40, 44, 80, 0.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.6s var(--ease), color 0.4s var(--ease);
  -webkit-font-smoothing: antialiased;
}

.bg-ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.55;
}

.blob {
  position: absolute;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  animation: float 18s ease-in-out infinite;
}
.blob-1 { background: #7873f5; top: -120px; left: -80px; }
.blob-2 { background: #ff6ec4; bottom: -140px; right: -60px; animation-delay: -6s; }
.blob-3 { background: #42e695; top: 40%; left: 50%; animation-delay: -12s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, -40px) scale(1.1); }
  66% { transform: translate(-40px, 50px) scale(0.95); }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px) saturate(160%);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-mark {
  font-size: 34px;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: spin 12s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.brand-text h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.brand-text p {
  font-size: 12.5px;
  color: var(--text-dim);
  margin-top: 2px;
}

.theme-toggle {
  position: relative;
  width: 64px;
  height: 34px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  cursor: pointer;
  overflow: hidden;
  transition: background 0.4s var(--ease);
}
.toggle-icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  transition: opacity 0.4s var(--ease), transform 0.5s var(--ease);
}
.toggle-icon.sun { left: 10px; opacity: 0; }
.toggle-icon.moon { right: 10px; opacity: 1; }
[data-theme="light"] .toggle-icon.sun { opacity: 1; }
[data-theme="light"] .toggle-icon.moon { opacity: 0; }

.gallery {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 28px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 26px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.5s var(--ease), border-color 0.4s var(--ease);
  animation: rise 0.7s var(--ease) backwards;
}
.card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }

.card:nth-child(1) { animation-delay: 0.02s; }
.card:nth-child(2) { animation-delay: 0.08s; }
.card:nth-child(3) { animation-delay: 0.14s; }
.card:nth-child(4) { animation-delay: 0.20s; }
.card:nth-child(5) { animation-delay: 0.26s; }
.card:nth-child(6) { animation-delay: 0.32s; }
.card:nth-child(7) { animation-delay: 0.38s; }
.card:nth-child(8) { animation-delay: 0.44s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-stage {
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.stage-dark { background: radial-gradient(circle at 50% 30%, #1b1e30, #0b0c16); }
.stage-light { background: radial-gradient(circle at 50% 30%, #ffffff, #e7e9f2); }
.stage-soft { background: linear-gradient(160deg, #232544, #14152400); }
.stage-cyber { background: #07060f; }

.card-label {
  padding: 18px 22px 22px;
  border-top: 1px solid var(--border);
}
.card-label h2 { font-size: 16px; font-weight: 600; letter-spacing: 0.3px; }
.card-label p { font-size: 12.5px; color: var(--text-dim); margin-top: 3px; }

/* ---------- Analog ---------- */
.analog-clock { width: 220px; height: 220px; }
.analog-face {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 38%, #2a2d45, #15172a);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: inset 0 4px 18px rgba(0,0,0,0.5), 0 10px 30px -10px rgba(0,0,0,0.6);
}
.tick-ring { position: absolute; inset: 0; }
.tick-ring span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2px;
  height: 8px;
  background: var(--text-dim);
  transform-origin: 50% 102px;
  transform: translate(-50%, -102px) rotate(var(--rot));
  border-radius: 2px;
  opacity: 0.5;
}
.tick-ring span.major { height: 14px; width: 3px; opacity: 0.9; background: var(--text); }

.numerals { position: absolute; inset: 0; }
.numerals span {
  position: absolute;
  left: 50%;
  top: 50%;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transform:
    rotate(calc(var(--n) * 30deg))
    translateY(-86px)
    rotate(calc(var(--n) * -30deg))
    translate(-50%, -50%);
  transform-origin: 0 0;
}

.hand {
  position: absolute;
  left: 50%;
  bottom: 50%;
  transform-origin: 50% 100%;
  border-radius: 6px;
  transition: transform 0.12s cubic-bezier(0.3, 1.6, 0.5, 1);
}
.hand-hour { width: 7px; height: 58px; margin-left: -3.5px; background: var(--text); }
.hand-minute { width: 5px; height: 80px; margin-left: -2.5px; background: var(--text); }
.hand-second {
  width: 2px; height: 92px; margin-left: -1px;
  background: linear-gradient(var(--accent-2), var(--accent));
}
.center-cap {
  position: absolute;
  left: 50%; top: 50%;
  width: 14px; height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 12px var(--accent-2);
}

/* ---------- Digital LED ---------- */
.digital-clock { text-align: center; }
.digital-display {
  font-family: var(--font-techno);
  font-size: 46px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #4be1ff;
  text-shadow: 0 0 8px rgba(75,225,255,0.7), 0 0 24px rgba(75,225,255,0.4);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}
.digital-display .colon { animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0.25; } }
.digital-sub {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  gap: 18px;
  font-family: var(--font-techno);
  font-size: 13px;
  letter-spacing: 2px;
  color: #4be1ff99;
}

/* ---------- Flip Clock ---------- */
.flip-clock {
  display: flex;
  align-items: center;
  gap: 10px;
}
.flip-sep { font-size: 40px; font-weight: 700; color: var(--text-dim); }
.flip-group { display: flex; gap: 5px; }
.flip-unit {
  position: relative;
  width: 72px;
  height: 84px;
  perspective: 320px;
  font-family: var(--font-techno);
  font-size: 46px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 84px;
  text-align: center;
}
.flip-panel {
  position: absolute;
  left: 0; right: 0;
  height: 50%;
  overflow: hidden;
  color: #fff;
  backface-visibility: hidden;
}
.flip-panel span {
  position: absolute;
  left: 0; right: 0;
  height: 84px;
}
.flip-upper {
  top: 0;
  align-items: flex-end;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(#3a4060, #2c3148);
  border-bottom: 1px solid rgba(0, 0, 0, 0.35);
}
.flip-upper span { top: 0; }
.flip-lower {
  bottom: 0;
  border-radius: 0 0 8px 8px;
  background: linear-gradient(#272b40, #1d2030);
}
.flip-lower span { bottom: 0; }

.flip-leaf {
  z-index: 2;
  transform-origin: 50% 100%;
}
.flip-leaf.flip-lower {
  transform-origin: 50% 0%;
  transform: rotateX(90deg);
  z-index: 1;
}
.flip-unit.flipping .flip-leaf.flip-upper {
  animation: leafFold 0.6s ease-in forwards;
}
.flip-unit.flipping .flip-leaf.flip-lower {
  animation: leafUnfold 0.6s ease-out 0.3s forwards;
}
@keyframes leafFold {
  0%   { transform: rotateX(0deg); }
  100% { transform: rotateX(-90deg); }
}
@keyframes leafUnfold {
  0%   { transform: rotateX(90deg); }
  100% { transform: rotateX(0deg); }
}

/* ---------- Neon ---------- */
.neon-clock {
  position: relative;
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.neon-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,0,200,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.12) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 50% 60%, #000 30%, transparent 75%);
}
.neon-time {
  font-family: var(--font-techno);
  font-size: 40px;
  font-weight: 900;
  letter-spacing: 3px;
  color: #fff;
  z-index: 1;
  text-shadow:
    0 0 6px #ff2bd1, 0 0 14px #ff2bd1,
    0 0 24px #ff2bd1, 0 0 40px #a30ad6;
  animation: neonFlicker 4s infinite;
}
@keyframes neonFlicker {
  0%, 92%, 100% { opacity: 1; }
  93% { opacity: 0.6; }
  94% { opacity: 1; }
  96% { opacity: 0.4; }
  97% { opacity: 1; }
}
.neon-tag {
  position: absolute;
  bottom: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  color: #00eaff;
  text-shadow: 0 0 8px #00eaff;
  z-index: 1;
}

/* ---------- Minimal ---------- */
.minimal-clock {
  text-align: center;
  color: #15182a;
}
.minimal-time {
  font-size: 64px;
  font-weight: 200;
  letter-spacing: -2px;
  font-variant-numeric: tabular-nums;
}
.minimal-line {
  width: 48px;
  height: 2px;
  background: #15182a;
  margin: 18px auto;
  opacity: 0.25;
}
.minimal-meta {
  display: flex;
  justify-content: center;
  gap: 22px;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  opacity: 0.55;
  font-variant-numeric: tabular-nums;
}

/* ---------- Gradient Rings ---------- */
.ring-clock { position: relative; width: 220px; height: 220px; }
.ring-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-track {
  fill: none;
  stroke: rgba(255,255,255,0.07);
  stroke-width: 8;
}
.ring-prog {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.4s var(--ease);
  filter: drop-shadow(0 0 6px rgba(255,255,255,0.15));
}
.ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-techno);
  font-size: 26px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 1px;
}

/* ---------- Odometer ---------- */
.odometer-clock {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-techno);
}
.odo-sep {
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  padding-bottom: 4px;
}
.odo-reel {
  position: relative;
  width: 44px;
  height: 64px;
  overflow: hidden;
  border-radius: 9px;
  background: linear-gradient(#23263c, #14162400);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 8px 14px -8px rgba(0, 0, 0, 0.9),
              inset 0 -8px 14px -8px rgba(0, 0, 0, 0.9);
}
.odo-reel::before, .odo-reel::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 22px;
  z-index: 2;
  pointer-events: none;
}
.odo-reel::before { top: 0; background: linear-gradient(#14162e, transparent); }
.odo-reel::after { bottom: 0; background: linear-gradient(transparent, #14162e); }
.odo-strip {
  display: flex;
  flex-direction: column;
  transition: transform 0.6s cubic-bezier(0.6, -0.02, 0.3, 1);
}
.odo-strip span {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  font-weight: 700;
  color: #fff;
}

/* ---------- Particle ---------- */
.particle-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ---------- Dot Matrix ---------- */
.dot-matrix {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 18px 22px;
  background: #0a0d08;
  border-radius: 12px;
  border: 1px solid rgba(120, 255, 120, 0.12);
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.6);
}
.dm-char { display: grid; grid-template-rows: repeat(7, 1fr); gap: 3px; }
.dm-char.dm-colon { gap: 3px; }
.dm-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 3px; }
.dm-colon .dm-row { grid-template-columns: 1fr; }
.dm-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(120, 255, 120, 0.08);
  transition: background 0.15s linear, box-shadow 0.15s linear;
}
.dm-dot.on {
  background: #5dff7a;
  box-shadow: 0 0 6px #5dff7a, 0 0 10px rgba(93, 255, 122, 0.6);
}

/* ---------- View Code Button ---------- */
.card-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-label-text { min-width: 0; }
.view-code-btn {
  flex-shrink: 0;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px 12px;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.view-code-btn:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 14%, var(--surface-strong));
  transform: translateY(-1px);
}

/* ---------- Code Modal ---------- */
.code-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
}
.code-modal.open { opacity: 1; visibility: visible; }
.code-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 6, 12, 0.72);
  backdrop-filter: blur(6px);
}
.code-modal-panel {
  position: relative;
  width: min(820px, 100%);
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.4s var(--ease);
}
.code-modal.open .code-modal-panel { transform: translateY(0) scale(1); }
.code-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.code-modal-head h3 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.code-modal-actions { display: flex; align-items: center; gap: 10px; }
.code-copy-btn, .code-close-btn {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 7px 14px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.code-close-btn { padding: 7px 11px; }
.code-copy-btn:hover, .code-close-btn:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 16%, var(--surface-strong));
}
.code-copy-btn.copied {
  color: #42e695;
  border-color: #42e695;
}
.code-tabs {
  display: flex;
  gap: 4px;
  padding: 12px 20px 0;
  border-bottom: 1px solid var(--border);
}
.code-tab {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.code-tab:hover { color: var(--text); }
.code-tab.is-active {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.code-block {
  margin: 0;
  padding: 20px 22px;
  overflow: auto;
  background: #0d0f1a;
  flex: 1;
}
.code-block code {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 13px;
  line-height: 1.6;
  color: #d6dbef;
  white-space: pre;
  tab-size: 2;
}
.code-block code .tok-tag { color: #ff7edb; }
.code-block code .tok-attr { color: #72f1b8; }
.code-block code .tok-str { color: #fede5d; }
.code-block code .tok-comment { color: #6b7394; font-style: italic; }
.code-block code .tok-kw { color: #ff7edb; }
.code-block code .tok-fn { color: #36f9f6; }
.code-block code .tok-num { color: #f97e72; }
.code-block code .tok-prop { color: #72f1b8; }
.code-block code .tok-sel { color: #fede5d; }

.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 30px 20px 50px;
  color: var(--text-dim);
  font-size: 12.5px;
  border-top: 1px solid var(--border);
}
.footer-beian {
  margin-top: 8px;
  font-size: 12px;
}
.footer-beian a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}
.footer-beian a:hover {
  color: var(--text);
}

@media (max-width: 600px) {
  .gallery { padding: 28px 16px 60px; gap: 18px; }
  .card-stage { height: 240px; }
  .digital-display { font-size: 36px; }
  .minimal-time { font-size: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}