/* Aigent4U — live session + sessions overview */

.a4u-session-header {
  margin-bottom: 20px;
}

.a4u-session-header__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--a4u-radius-full);
  margin-bottom: 10px;
}

.a4u-session-header__badge--ok { background: var(--a4u-accent-soft); color: var(--a4u-accent); }
.a4u-session-header__badge--warn { background: var(--a4u-warning-soft); color: var(--a4u-warning); }
.a4u-session-header__badge--bad { background: var(--a4u-danger-soft); color: var(--a4u-danger); }
.a4u-session-header__badge--info { background: var(--a4u-info-soft); color: var(--a4u-info); }
.a4u-session-header__badge--muted { background: var(--a4u-surface-raised); color: var(--a4u-muted); }

.a4u-session-header__title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.a4u-session-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--a4u-muted);
}

.a4u-now__hero {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.a4u-now__art {
  width: 96px;
  height: 96px;
  border-radius: var(--a4u-radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.a4u-now__art--ph {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: rgba(255,255,255,0.85);
}

.a4u-now__playlist {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.a4u-now__track { margin-top: 6px; font-size: 15px; }
.a4u-now__artist { margin-top: 4px; font-size: 13px; color: var(--a4u-muted); }
.a4u-now__pos { margin-top: 10px; font-size: 12px; color: var(--a4u-muted); }

.a4u-now__progress {
  height: 4px;
  background: var(--a4u-bg);
  border-radius: var(--a4u-radius-full);
  margin-top: 16px;
  overflow: hidden;
}

.a4u-now__progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--a4u-accent), var(--a4u-music));
  border-radius: inherit;
  transition: width 0.4s ease;
}

.a4u-session-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 16px 0;
}

.a4u-session-controls__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.a4u-diagnostics summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
}

.a4u-diagnostics__pre {
  margin-top: 12px;
  padding: 12px;
  background: var(--a4u-bg);
  border-radius: var(--a4u-radius-sm);
  font-size: 12px;
  white-space: pre-wrap;
  color: var(--a4u-muted);
}

.a4u-session-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.a4u-session-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--a4u-border);
  border-radius: var(--a4u-radius-sm);
  background: var(--a4u-bg);
}

.a4u-session-list__item--active {
  border-color: rgba(34, 197, 94, 0.3);
}

.a4u-session-list__main h3 {
  font-size: 15px;
  font-weight: 700;
  margin-top: 6px;
}

/* Confirm dialog */
.a4u-confirm {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.a4u-confirm[hidden] { display: none !important; }

.a4u-confirm__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
}

.a4u-confirm__panel {
  position: relative;
  width: min(420px, 100%);
  background: var(--a4u-surface);
  border: 1px solid var(--a4u-border-strong);
  border-radius: var(--a4u-radius-md);
  padding: 22px;
  box-shadow: var(--a4u-shadow);
}

.a4u-confirm__title {
  font-size: 18px;
  font-weight: 800;
}

.a4u-confirm__body {
  margin-top: 10px;
  font-size: 14px;
  color: var(--a4u-muted);
  line-height: 1.5;
}

.a4u-confirm__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

@media (max-width: 900px) {
  .a4u-session-metrics { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .a4u-now__hero { flex-direction: column; }
  .a4u-session-list__item { flex-direction: column; align-items: flex-start; }
  .a4u-session-controls__row--primary {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .a4u-session-controls__row--secondary {
    display: flex;
    flex-wrap: wrap;
  }
  .a4u-session-metrics { grid-template-columns: 1fr 1fr; }
}

.a4u-session-controls__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.a4u-session-controls__row--primary {
  position: sticky;
  bottom: 0;
  z-index: 2;
  padding: 0.5rem 0;
  background: linear-gradient(180deg, transparent, var(--a4u-bg, #0b0d10) 30%);
}

.a4u-session-advanced {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--a4u-border);
}

.a4u-live-queue__list {
  display: grid;
  gap: 0.65rem;
}

.a4u-live-queue__card {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--a4u-border);
}

.a4u-live-queue__card--current {
  border-left: 3px solid var(--a4u-accent, #3d8bfd);
  padding-left: 0.5rem;
}

.a4u-live-queue__card h3 {
  margin: 0;
  font-size: 0.95rem;
}

.a4u-live-health__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--a4u-border);
}

.a4u-now__comm {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
}

.a4u-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--a4u-border);
  border-radius: 0.25rem;
}

.a4u-session-updated {
  grid-column: 1 / -1;
}

@media (prefers-reduced-motion: reduce) {
  .a4u-fade-in,
  .a4u-now__progress span {
    animation: none !important;
    transition: none !important;
  }
}