:root {
  color-scheme: dark;
  --bg: #0b0b0e;
  --bg-deep: #050508;
  --panel: #141418;
  --panel-glow: rgba(255, 255, 255, 0.06);
  --accent: #f04b46;
  --accent-soft: rgba(240, 75, 70, 0.2);
  --text: #f5f3f0;
  --muted: #b7b3aa;
  --line: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  background: radial-gradient(circle at top, #1b1b22 0%, #0b0b0e 55%, #050508 100%);
  color: var(--text);
  min-height: 100vh;
}

.page {
  padding: 32px clamp(20px, 4vw, 60px) 48px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(145deg, #f04b46, #ff9a3c);
  box-shadow: 0 14px 32px rgba(240, 75, 70, 0.3);
}

.brand-title {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-sub {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.stat {
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.stat .label {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(320px, 1.3fr);
  gap: 28px;
}

.panel {
  background: var(--panel);
  border-radius: 24px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.06), transparent 55%);
  pointer-events: none;
}

.panel h2 {
  margin: 0 0 16px;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

textarea {
  width: 100%;
  min-height: 260px;
  background: rgba(9, 9, 12, 0.7);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 16px;
  padding: 16px;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 15px;
  resize: vertical;
}

.url-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  margin-bottom: 8px;
}

.url-row input {
  background: rgba(9, 9, 12, 0.7);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 999px;
  padding: 12px 16px;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 14px;
}

.status {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  min-height: 16px;
}

.controls {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

.control {
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

button {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  background: var(--accent);
  border: none;
  border-radius: 999px;
  padding: 12px 20px;
  color: #101010;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(240, 75, 70, 0.3);
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: none;
}

.viewer-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.viewer {
  flex: 1;
  min-height: 320px;
  border-radius: 20px;
  background: linear-gradient(180deg, #0a0a0d, #050506);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.crosshair {
  position: absolute;
  background: rgba(255, 255, 255, 0.08);
}

.crosshair.horizontal {
  width: 100%;
  height: 2px;
}

.crosshair.vertical {
  width: 2px;
  height: 100%;
}

.word {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: clamp(56px, 6vw, 96px);
  letter-spacing: 0.02em;
  text-align: center;
  text-shadow: 0 12px 24px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translateX(var(--shift, 0px));
  transition: opacity 0.18s ease;
}

.word.show {
  opacity: 1;
  transform: translateX(var(--shift, 0px));
}

.word .orp {
  color: var(--accent);
  text-shadow: 0 0 18px var(--accent-soft);
}

.measure {
  position: absolute;
  left: -9999px;
  top: -9999px;
  visibility: hidden;
  white-space: nowrap;
  font-family: "Fraunces", serif;
  font-size: inherit;
  letter-spacing: 0.02em;
}

.toast {
  position: absolute;
  right: 24px;
  bottom: 24px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(15, 15, 20, 0.85);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 3;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.viewer:fullscreen .toast,
.viewer:-webkit-full-screen .toast {
  position: fixed;
  right: 32px;
  bottom: 32px;
}

.player {
  display: grid;
  grid-template-columns: auto auto auto auto 1fr auto;
  gap: 12px;
  align-items: center;
}

#progress {
  width: 100%;
}

.time {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footnote {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.brand-sub a,
.footnote a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.brand-sub a:hover,
.footnote a:hover {
  border-bottom-color: var(--accent);
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .url-row {
    grid-template-columns: 1fr;
  }

  .player {
    grid-template-columns: 1fr;
  }

  .player button,
  .player .time,
  .player input[type="range"] {
    width: 100%;
  }

  .viewer-panel .player,
  .viewer-panel .hint {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  body.show-controls .viewer-panel .player,
  body.show-controls .viewer-panel .hint {
    opacity: 1;
    pointer-events: auto;
  }
}