/* Havin — conversational music companion */
#havin-root {
  --havin-violet: var(--tu-glow);
  --havin-cyan: var(--tu-cyan);
}

.havin-fab {
  width: 58px;
  height: 58px;
  border: 1px solid rgba(255, 255, 255, .16);
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, .24), transparent 34%),
    linear-gradient(145deg, var(--havin-violet), var(--primary-dark));
  box-shadow: 0 14px 34px var(--primary-glow), 0 0 0 7px rgba(139, 92, 246, .08);
  transition: transform var(--motion-base) var(--motion-spring), box-shadow var(--motion-base) ease;
}

.havin-fab:hover {
  transform: translateY(-4px) rotate(-4deg);
  box-shadow: 0 18px 42px var(--primary-glow), 0 0 0 9px rgba(139, 92, 246, .1);
}

.havin-fab:focus-visible,
.havin-panel button:focus-visible,
.havin-panel a:focus-visible,
.havin-panel input:focus-visible {
  outline: 3px solid var(--havin-cyan);
  outline-offset: 3px;
}

.havin-panel {
  width: min(430px, calc(100vw - 24px));
  height: min(720px, calc(100dvh - var(--nav-h) - 30px));
  max-height: none;
  overflow: hidden;
  border: 1px solid var(--od-line-strong);
  border-radius: 28px;
  background:
    radial-gradient(circle at 100% 0, var(--tu-glow-soft), transparent 34%),
    linear-gradient(160deg, color-mix(in srgb, var(--bg-card) 94%, var(--havin-violet)), var(--bg-card));
  box-shadow: 0 28px 80px rgba(0, 0, 0, .44), 0 0 0 1px rgba(255, 255, 255, .03);
  backdrop-filter: blur(22px);
}

.havin-panel.open {
  animation: havin-panel-in 280ms var(--motion-spring) both;
}

.havin-head {
  position: relative;
  min-height: 84px;
  padding: 16px 18px;
  border-radius: 28px 28px 0 0;
  background:
    radial-gradient(circle at 90% 0, rgba(34, 211, 238, .26), transparent 36%),
    linear-gradient(135deg, var(--primary-dark), var(--havin-violet));
}

.havin-head::after {
  position: absolute;
  right: 18px;
  bottom: 8px;
  width: 46px;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, transparent, var(--havin-cyan));
  content: "";
  opacity: .75;
}

.havin-avatar {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 15px;
  background: rgba(255, 255, 255, .14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18);
}

.havin-avatar svg {
  width: 24px;
  height: 24px;
}

.havin-head strong {
  display: block;
  font-size: 16px;
  letter-spacing: -.02em;
}

.havin-sub {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 3px;
  color: rgba(255, 255, 255, .78);
  font-size: 11px;
}

.havin-sub::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  content: "";
}

.havin-messages {
  min-height: 0;
  padding: 18px 14px;
  gap: 14px;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
}

.havin-msg {
  max-width: 92%;
  border-radius: 17px;
  line-height: 1.8;
}

.havin-msg.user {
  align-self: flex-start;
  padding: 11px 14px;
  border: 1px solid var(--od-line);
  background: var(--bg-elevated);
  box-shadow: 0 7px 18px rgba(0, 0, 0, .1);
}

.havin-msg.bot {
  align-self: stretch;
  padding: 12px;
  border: 1px solid var(--od-line);
  color: var(--text);
  background: linear-gradient(145deg, var(--od-surface-soft), rgba(139, 92, 246, .07));
  box-shadow: 0 10px 28px rgba(0, 0, 0, .12);
}

.havin-msg.bot:first-child {
  background: linear-gradient(145deg, var(--tu-cyan-soft), var(--od-surface-soft));
}

.havin-cards {
  margin-top: 14px;
  gap: 10px;
}

.havin-cards--music {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.havin-music-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--od-line-strong);
  border-radius: 17px;
  background: linear-gradient(145deg, var(--bg-elevated), var(--bg-card));
  box-shadow: 0 9px 22px rgba(0, 0, 0, .18);
  transition: transform var(--motion-base) var(--motion-spring), border-color var(--motion-base) ease;
}

.havin-music-card:hover {
  transform: translateY(-4px);
  border-color: var(--tu-cyan);
}

.havin-music-card__cover {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--havin-cyan);
  background: linear-gradient(145deg, var(--primary-dark), var(--tu-space));
}

.havin-music-card__cover::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(0, 0, 0, .38));
  content: "";
  pointer-events: none;
}

.havin-music-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms var(--motion-spring);
}

.havin-music-card:hover .havin-music-card__cover img {
  transform: scale(1.06);
}

.havin-music-card__cover svg {
  width: 35px;
  height: 35px;
}

.havin-music-card__body {
  display: grid;
  gap: 3px;
  padding: 10px;
}

.havin-card-kicker {
  overflow: hidden;
  color: var(--havin-cyan);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.havin-music-card__body strong,
.havin-music-card__body > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.havin-music-card__body strong {
  font-size: 12px;
}

.havin-music-card__body > span {
  color: var(--text-muted);
  font-size: 11px;
}

.havin-music-card__body small {
  overflow: hidden;
  color: var(--text-dim);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.havin-music-card__actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
}

.havin-card-play,
.havin-card-open {
  min-height: 36px;
  border-radius: 10px;
  font: inherit;
  font-size: 10px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
}

.havin-card-play {
  display: inline-flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 0;
  color: var(--tu-space);
  background: var(--accent);
}

.havin-card-play svg {
  width: 13px;
  height: 13px;
}

.havin-card-open {
  display: grid;
  place-items: center;
  padding: 0 7px;
  border: 1px solid var(--od-line-strong);
  color: var(--text-muted);
}

.havin-card-open:hover {
  color: var(--text);
  border-color: var(--tu-cyan);
}

.havin-playlist-card {
  display: grid;
  grid-template-columns: 62px 1fr 18px;
  align-items: center;
  gap: 11px;
  margin-top: 12px;
  padding: 10px;
  border: 1px solid rgba(34, 211, 238, .24);
  border-radius: 18px;
  background:
    linear-gradient(110deg, rgba(34, 211, 238, .1), transparent 55%),
    var(--bg-elevated);
  color: var(--text);
  text-decoration: none;
  transition: transform var(--motion-base) var(--motion-spring), border-color var(--motion-base) ease;
}

.havin-playlist-card:hover {
  transform: translateY(-3px);
  border-color: var(--havin-cyan);
}

.havin-playlist-card__art {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 62px;
  height: 62px;
  overflow: hidden;
  border-radius: 14px;
  transform: rotate(-4deg);
  box-shadow: 0 8px 18px rgba(0, 0, 0, .28);
}

.havin-playlist-card__art i:nth-child(1) { background: var(--primary); }
.havin-playlist-card__art i:nth-child(2) { background: var(--accent); }
.havin-playlist-card__art i:nth-child(3) { background: var(--havin-cyan); }
.havin-playlist-card__art i:nth-child(4) { background: var(--yellow); }

.havin-playlist-card__body {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.havin-playlist-card__body small {
  color: var(--havin-cyan);
  font-size: 9px;
  font-weight: 800;
}

.havin-playlist-card__body strong,
.havin-playlist-card__body > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.havin-playlist-card__body strong {
  font-size: 13px;
}

.havin-playlist-card__body > span {
  color: var(--text-muted);
  font-size: 10px;
}

.havin-playlist-card__arrow {
  width: 17px;
  height: 17px;
  color: var(--havin-cyan);
}

.havin-request {
  border: 1px solid rgba(251, 191, 36, .24);
  background: rgba(251, 191, 36, .08);
}

.havin-suggestions {
  gap: 8px;
  padding: 0 14px 12px;
}

.havin-suggestions button {
  min-height: 38px;
  border-color: var(--od-line-strong);
  background: var(--bg-elevated);
  transition: border-color var(--motion-fast) ease, color var(--motion-fast) ease, transform var(--motion-fast) ease;
}

.havin-suggestions button:hover {
  transform: translateY(-2px);
}

.havin-form {
  gap: 9px;
  padding: 13px 14px calc(13px + env(safe-area-inset-bottom));
  border-top-color: var(--od-line-strong);
  background: color-mix(in srgb, var(--bg-card) 88%, transparent);
}

.havin-form input {
  min-width: 0;
  border-radius: 13px;
  padding-inline: 13px;
}

.havin-form button {
  min-width: 70px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--havin-violet), var(--primary-dark));
}

@keyframes havin-panel-in {
  from { opacity: 0; transform: translateY(24px) scale(.97); }
  to { opacity: 1; transform: none; }
}

@media (min-width: 1024px) {
  .havin-panel {
    right: 24px;
    bottom: calc(var(--player-h) + 16px);
  }
}

@media (max-width: 430px) {
  .havin-panel {
    right: 8px;
    left: 8px;
    width: calc(100vw - 16px);
    border-radius: 23px;
  }

  .havin-cards--music {
    grid-template-columns: 1fr;
  }

  .havin-head {
    border-radius: 23px 23px 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .havin-panel.open,
  .havin-fab:hover,
  .havin-music-card:hover,
  .havin-playlist-card:hover,
  .havin-suggestions button:hover {
    animation: none;
    transform: none;
  }
}