/*
 * Airwave — paper-cream audio player on top of a hidden YouTube embed.
 * Layout: single-column shell, max ~720px wide. The "now playing" card
 * is the visual centerpiece; search and queue sit above and below it.
 */

:root {
  --aw-card-radius: 10px;
  --aw-shadow: 0 1px 0 rgba(0, 0, 0, 0.04), 0 6px 18px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--surface-0, #fafafa);
  color: var(--text-1, #1a1a1a);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: var(--text-body, 16px);
  line-height: 1.5;
  min-height: 100vh;
}

.aw-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Library: two columns on desktop (search left, queue right) collapsing
 * to a single stacked column on narrow screens. The columns work
 * together visually so the user sees the queue while skimming search
 * results — no tabs, no toggling. */
.aw-library {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
@media (max-width: 800px) {
  .aw-library {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ── Header ─────────────────────────────────────────────────────────── */
.aw-header {
  text-align: center;
  padding-top: 8px;
}
.aw-title {
  font-size: 36px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}
.aw-subtitle {
  margin: 4px 0 0;
  color: var(--text-2, #555);
  font-size: 15px;
}

/* ── Cards ──────────────────────────────────────────────────────────── */
.aw-search,
.aw-now,
.aw-queue {
  background: var(--surface-1, #fff);
  border: 1px solid var(--hairline, #e5e5e0);
  border-radius: var(--aw-card-radius);
  box-shadow: var(--aw-shadow);
  padding: 16px;
}

/* ── Search ─────────────────────────────────────────────────────────── */
.aw-search-form {
  display: flex;
  gap: 8px;
}
.aw-search-input {
  flex: 1;
  min-width: 0;
  font: inherit;
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--hairline-strong, #c8c8c0);
  border-radius: 6px;
  background: var(--surface-0, #fafafa);
  color: inherit;
}
.aw-search-input:focus {
  outline: 2px solid var(--accent-primary, #1a73e8);
  outline-offset: 1px;
  border-color: transparent;
}
.aw-search-status {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-3, #6e6e6e);
  min-height: 18px;
}
.aw-search-status.is-error {
  color: var(--accent-red, #ea4335);
}

.aw-search-results {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 360px;
  overflow-y: auto;
}
.aw-search-result {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 6px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  background: transparent;
  text-align: left;
  font: inherit;
  color: inherit;
  width: 100%;
}
.aw-search-result:hover,
.aw-search-result:focus-visible {
  background: var(--surface-2, #f0eee8);
  border-color: var(--hairline, #e5e5e0);
  outline: none;
}
.aw-search-result-thumb {
  width: 80px;
  height: 45px;
  object-fit: cover;
  border-radius: 4px;
  background: #ddd;
}
.aw-search-result-meta {
  min-width: 0;
}
.aw-search-result-title {
  font-weight: 500;
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.aw-search-result-author {
  font-size: 12px;
  color: var(--text-3, #6e6e6e);
  margin-top: 2px;
}
.aw-search-result-actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ── Now playing ────────────────────────────────────────────────────── */
.aw-now {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}
.aw-art-wrap {
  position: relative;
  width: 280px;
  max-width: 80%;
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface-2, #f0eee8);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}
.aw-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.aw-art-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 60%, rgba(0, 0, 0, 0.18) 100%);
}
.aw-now.is-playing .aw-art {
  animation: aw-pulse 4s ease-in-out infinite;
}
@keyframes aw-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

@media (prefers-reduced-motion: reduce) {
  .aw-now.is-playing .aw-art {
    animation: none;
  }
}

.aw-meta {
  text-align: center;
  width: 100%;
}
.aw-track-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.aw-track-author {
  font-size: 14px;
  color: var(--text-2, #555);
  margin-top: 4px;
}

/* ── Progress ───────────────────────────────────────────────────────── */
.aw-progress {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  width: 100%;
}
.aw-time {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--text-3, #6e6e6e);
  min-width: 38px;
  text-align: center;
}
.aw-seek {
  width: 100%;
  accent-color: var(--accent-primary, #1a73e8);
}

/* ── Transport ──────────────────────────────────────────────────────── */
.aw-transport {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
}
.aw-btn {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--hairline-strong, #c8c8c0);
  background: var(--surface-1, #fff);
  color: inherit;
  padding: 8px 14px;
  border-radius: 6px;
  transition: background 120ms ease, border-color 120ms ease, transform 80ms ease;
}
.aw-btn:hover {
  background: var(--surface-2, #f0eee8);
}
.aw-btn:active {
  transform: translateY(1px);
}
.aw-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.aw-btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  font-size: 16px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.aw-btn-play {
  width: 56px;
  height: 56px;
  font-size: 22px;
  background: var(--accent-primary-bg, #1a73e8);
  color: var(--text-on-accent, #fff);
  border-color: transparent;
}
.aw-btn-play:hover {
  background: var(--accent-primary-bg-hover, #1558b8);
}
.aw-btn-primary {
  background: var(--accent-primary-bg, #1a73e8);
  color: var(--text-on-accent, #fff);
  border-color: transparent;
}
.aw-btn-primary:hover {
  background: var(--accent-primary-bg-hover, #1558b8);
}
.aw-btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-3, #6e6e6e);
  padding: 6px 10px;
  font-size: 13px;
}
.aw-btn-ghost:hover {
  background: var(--surface-2, #f0eee8);
}
.aw-btn-toggle[aria-pressed='true'] {
  background: var(--accent-primary-soft, #e8f0fe);
  border-color: var(--accent-primary, #1a73e8);
  color: var(--accent-primary, #1a73e8);
}

/* ── Extra controls ────────────────────────────────────────────────── */
.aw-extra-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  width: 100%;
  border-top: 1px solid var(--hairline, #e5e5e0);
  padding-top: 14px;
}
.aw-control {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-2, #555);
}
.aw-control select,
.aw-control input[type='range'] {
  font: inherit;
  font-size: 13px;
}
.aw-control select {
  padding: 4px 6px;
  border: 1px solid var(--hairline-strong, #c8c8c0);
  border-radius: 4px;
  background: var(--surface-0, #fafafa);
  color: inherit;
}
.aw-control input[type='range'] {
  width: 110px;
  accent-color: var(--accent-primary, #1a73e8);
}
.aw-sleep-status {
  margin: 0;
  font-size: 12px;
  color: var(--text-3, #6e6e6e);
  text-align: center;
}

/* ── Queue ──────────────────────────────────────────────────────────── */
.aw-queue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.aw-queue-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
}
.aw-queue-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}
.aw-playlists-select {
  font: inherit;
  font-size: 13px;
  padding: 4px 6px;
  border: 1px solid var(--hairline-strong, #c8c8c0);
  border-radius: 4px;
  background: var(--surface-0, #fafafa);
  color: inherit;
  max-width: 160px;
}
.aw-queue-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.aw-queue-empty {
  color: var(--text-3, #6e6e6e);
  font-size: 13px;
  padding: 8px 4px;
  text-align: center;
}
.aw-queue-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px;
  align-items: stretch;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 6px;
  overflow: hidden;
}
.aw-queue-item.is-current {
  background: var(--accent-primary-soft, #e8f0fe);
  border-color: var(--hairline-accent, rgba(26, 115, 232, 0.32));
}

.aw-queue-item-main {
  min-width: 0;
  width: 100%;
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 6px;
  background: transparent;
  border: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  border-radius: 6px;
  transition: background 120ms ease;
}
.aw-queue-item-main:hover,
.aw-queue-item-main:focus-visible {
  background: var(--surface-2, #f0eee8);
  outline: none;
}
.aw-queue-item.is-current .aw-queue-item-main:hover {
  background: rgba(26, 115, 232, 0.12);
}

.aw-queue-item-thumb {
  width: 60px;
  height: 34px;
  object-fit: cover;
  border-radius: 3px;
  background: #ddd;
}
.aw-queue-item-meta {
  min-width: 0;
}
.aw-queue-item-title {
  font-size: 13px;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.aw-queue-item.is-current .aw-queue-item-title {
  color: var(--accent-primary, #1a73e8);
}
.aw-queue-item-author {
  font-size: 11px;
  color: var(--text-3, #6e6e6e);
}

.aw-queue-item-remove {
  width: 36px;
  min-width: 0;
  height: 100%;
  align-self: stretch;
  background: transparent;
  border: none;
  font: inherit;
  font-size: 18px;
  line-height: 1;
  color: var(--text-3, #6e6e6e);
  cursor: pointer;
  padding: 0;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.aw-queue-item-remove:hover,
.aw-queue-item-remove:focus-visible {
  background: var(--surface-2, #f0eee8);
  color: var(--accent-red, #ea4335);
  outline: none;
}

/* ── Footer + hidden player ────────────────────────────────────────── */
.aw-footer {
  text-align: center;
  color: var(--text-3, #6e6e6e);
  font-size: 12px;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.aw-footer-shortcuts {
  font-size: 11px;
  line-height: 1.6;
}
.aw-footer-shortcuts kbd {
  display: inline-block;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  padding: 1px 5px;
  border: 1px solid var(--hairline-strong, #c8c8c0);
  border-bottom-width: 2px;
  border-radius: 3px;
  background: var(--surface-1, #fff);
  color: var(--text-2, #555);
  margin: 0 1px;
}
.aw-player-host {
  position: fixed;
  width: 1px;
  height: 1px;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* ── Mobile tightening ─────────────────────────────────────────────── */
@media (max-width: 600px) {
  .aw-shell {
    padding: 16px 12px 64px;
    gap: 12px;
  }
  .aw-title {
    font-size: 28px;
  }
  .aw-search-form {
    flex-direction: column;
  }
  .aw-art-wrap {
    width: 200px;
  }
  .aw-extra-controls {
    gap: 10px;
  }
  .aw-control input[type='range'] {
    width: 90px;
  }
  .aw-transport .aw-btn-icon {
    width: 40px;
    height: 40px;
  }
  .aw-btn-play {
    width: 52px;
    height: 52px;
  }
  /* Pad the header so the back button (compact mode) doesn't overlap. */
  .aw-header {
    padding-top: 36px;
  }
}