:root {
  --bg: #16131f;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.76);
  --panel: rgba(12, 10, 18, 0.42);
  --panel-strong: rgba(12, 10, 18, 0.62);
  --border: rgba(255, 255, 255, 0.22);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  --radius: 28px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  overflow: hidden;
  min-height: 100svh;
  min-height: 100dvh;
}

button,
a {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

.stage {
  position: relative;
  width: 100vw;
  height: 100svh;
  height: 100dvh;
  min-height: 100svh;
  min-height: 100dvh;
  overflow: hidden;
  isolation: isolate;
}

.wallpaper {
  position: fixed;
  inset: -36px;
  z-index: -2;
  background-position: center;
  background-size: cover;
  filter: blur(26px) saturate(1.08) brightness(0.68);
  transform: scale(1.08);
  transition: opacity 520ms ease, background-image 0s linear 260ms;
}

.stage::before,
.stage::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.stage::before {
  z-index: -1;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 120, 183, 0.12), transparent 34%),
    radial-gradient(circle at 82% 20%, rgba(141, 124, 255, 0.14), transparent 36%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.2));
}

.stage::after {
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.34), transparent 28%, transparent 58%, rgba(0, 0, 0, 0.42)),
    linear-gradient(90deg, rgba(0, 0, 0, 0.24), transparent 28%, transparent 70%, rgba(0, 0, 0, 0.22));
}

.photo-shell {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100svh;
  height: 100dvh;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  transition: opacity 360ms ease, transform 360ms ease;
}

.photo-shell.is-changing {
  opacity: 0.42;
  transform: scale(1.008);
}

.photo {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  width: max(100vw, calc(100dvh * 16 / 9));
  height: max(100dvh, calc(100vw * 9 / 16));
  object-fit: cover;
  object-position: center center;
  transform: translate(-50%, -50%);
  user-select: none;
  -webkit-user-drag: none;
}

.mode-portrait .photo {
  width: max(100vw, calc(100dvh * 9 / 16));
  height: max(100dvh, calc(100vw * 16 / 9));
}

.photo-click-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: block;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.photo-click-layer[disabled] {
  cursor: default;
}

.clock-panel,
.art-panel,
.edge-controls .icon-button {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.clock-panel {
  position: absolute;
  left: max(14px, env(safe-area-inset-left));
  top: max(14px, env(safe-area-inset-top));
  z-index: 5;
  min-width: min(52%, 480px);
  padding: clamp(14px, 2.5vw, 26px) clamp(16px, 3vw, 30px);
  border-radius: calc(var(--radius) - 8px);
}

.date,
.time,
.art-title,
.art-meta {
  margin: 0;
}

.date {
  color: var(--muted);
  font-size: clamp(0.82rem, 1.8vw, 1.08rem);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.time {
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
  font-size: clamp(3.2rem, 10vw, 7.4rem);
  font-weight: 850;
  letter-spacing: -0.06em;
  line-height: 0.96;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.26);
}

.art-panel {
  position: absolute;
  right: max(14px, env(safe-area-inset-right));
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 5;
  max-width: min(72%, 620px);
  padding: 14px 17px;
  border-radius: 22px;
  background: var(--panel-strong);
}

.art-title {
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(0.84rem, 1.5vw, 1rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.art-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  color: var(--muted);
  font-size: clamp(0.78rem, 1.4vw, 0.94rem);
  line-height: 1.35;
}

.artist {
  color: inherit;
  font-weight: 800;
  text-decoration: none;
}

.artist:hover,
.artist:focus-visible {
  text-decoration: underline;
}

.artist.no-link {
  display: none;
}

.art-panel.no-url .artist[data-artist-link] {
  display: none;
}

.art-panel.no-url .artist.no-link {
  display: inline;
}

.dot {
  opacity: 0.6;
}

.edge-controls {
  position: absolute;
  right: max(12px, env(safe-area-inset-right));
  top: max(12px, env(safe-area-inset-top));
  z-index: 10;
  display: grid;
  gap: 10px;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  color: white;
  cursor: pointer;
  transition: background 160ms ease, transform 160ms ease, opacity 160ms ease;
}

.icon-button:hover,
.icon-button:focus-visible {
  outline: none;
  background: rgba(255, 255, 255, 0.2);
}

.icon-button:active {
  transform: scale(0.95);
}

.icon-button span {
  display: block;
  font-size: 1.42rem;
  font-weight: 850;
  line-height: 1;
}

.icon-button[data-mode-toggle] span {
  font-size: 1.62rem;
}

.mode-portrait .icon-button[data-mode-toggle] {
  background: rgba(255, 255, 255, 0.18);
}

@media (max-width: 700px) {
  .clock-panel {
    left: max(10px, env(safe-area-inset-left));
    top: max(10px, env(safe-area-inset-top));
    min-width: auto;
    max-width: calc(100% - 82px - env(safe-area-inset-left) - env(safe-area-inset-right));
    padding: 12px 14px;
    border-radius: 18px;
  }

  .date {
    font-size: 0.78rem;
  }

  .time {
    font-size: clamp(2.8rem, 16vw, 5.2rem);
  }

  .art-panel {
    left: max(10px, env(safe-area-inset-left));
    right: max(10px, env(safe-area-inset-right));
    bottom: max(10px, env(safe-area-inset-bottom));
    max-width: none;
    padding: 11px 13px;
    border-radius: 18px;
  }

  .edge-controls {
    right: max(10px, env(safe-area-inset-right));
    top: max(10px, env(safe-area-inset-top));
    gap: 8px;
  }

  .icon-button {
    width: 42px;
    height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}