:root {
  --bg: #0c1021;
  --bg-alt: #0f182c;
  --panel: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f3f6ff;
  --muted: #9fb3c8;
  --accent: #7cf3c2;
  --accent-2: #66a8ff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  font-family: 'Space Grotesk', 'Noto Sans JP', system-ui, -apple-system, sans-serif;
  background: radial-gradient(140% 100% at 10% 20%, rgba(124, 243, 194, 0.12), transparent 40%), radial-gradient(120% 80% at 90% 10%, rgba(102, 168, 255, 0.15), transparent 35%), var(--bg);
  color: var(--text);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ad {
  border: 1px dashed var(--border);
  color: var(--muted);
  text-align: center;
  padding: 12px;
  border-radius: 14px;
  letter-spacing: 0.02em;
}

.shell {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 16px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 10px;
  box-shadow: var(--shadow);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  backdrop-filter: blur(6px);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  color: var(--muted);
  margin: 0 0 4px;
}

.title {
  margin: 0;
  font-size: 26px;
  line-height: 1.2;
}

.title.small {
  font-size: 22px;
}

.subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.mylist-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
}

.mylist-status .dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(124, 243, 194, 0.12);
}

.word-list {
  display: grid;
  gap: 10px;
  max-height: 70vh;
  overflow-y: auto;
  padding-right: 4px;
}

.word-row {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  transition: border 0.15s ease, transform 0.15s ease, background 0.15s ease;
  font-size: 16px;
}

.word-row:hover {
  border-color: rgba(124, 243, 194, 0.5);
  transform: translateY(-2px);
}

.word-row.active {
  border-color: var(--accent);
  background: rgba(124, 243, 194, 0.08);
}

.word-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.star-btn {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all 0.15s ease;
}

.star-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.star-btn.saved {
  border-color: var(--accent);
  background: rgba(124, 243, 194, 0.12);
  color: var(--bg);
  box-shadow: inset 0 0 0 1px rgba(12, 16, 33, 0.5);
}

.player-frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-alt);
}

#player {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.player-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 15px;
  padding: 10px 16px;
  text-align: center;
}

.player-overlay {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px 0;
  color: var(--text);
}

.overlay-left {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.overlay-word {
  font-weight: 700;
  font-size: 16px;
}

.overlay-sep {
  color: var(--muted);
}

.overlay-translation {
  color: var(--text);
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.overlay-translation.visible {
  opacity: 1;
}

.overlay-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ghost-btn {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ghost-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ghost-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

.ghost-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.badge {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(135deg, rgba(124, 243, 194, 0.15), rgba(102, 168, 255, 0.15));
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.clip-meta {
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.clip-meta strong {
  color: var(--text);
}

@media (max-width: 960px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .panel-header {
    align-items: flex-start;
  }

  .word-list {
    max-height: 40vh;
  }
}