/* Aigent4U — Auto-Switch workspace */

.a4u-autoswitch-hero {
  margin-bottom: 24px;
}

.a4u-autoswitch-hero h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.a4u-autoswitch-hero p,
.a4u-lead {
  color: var(--a4u-muted);
  font-size: 15px;
  margin-top: 8px;
}

/* Stepper */
.a4u-stepper {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.a4u-stepper__step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--a4u-radius-full);
  border: 1px solid var(--a4u-border);
  background: var(--a4u-surface);
  color: var(--a4u-muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.a4u-stepper__step:hover {
  border-color: var(--a4u-border-strong);
  color: var(--a4u-text);
}

.a4u-stepper__step--active {
  background: var(--a4u-accent-soft);
  border-color: rgba(34, 197, 94, 0.35);
  color: var(--a4u-accent);
}

.a4u-stepper__step--done {
  border-color: rgba(34, 197, 94, 0.2);
}

.a4u-stepper__check {
  color: var(--a4u-accent);
  font-size: 11px;
}

/* Connection cards */
.a4u-conn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 16px;
}

.a4u-conn-card {
  border: 1px solid var(--a4u-border);
  border-radius: var(--a4u-radius-sm);
  padding: 16px;
  background: var(--a4u-bg);
}

.a4u-conn-card--ok { border-color: rgba(34, 197, 94, 0.25); }
.a4u-conn-card--warn { border-color: rgba(245, 158, 11, 0.25); }
.a4u-conn-card--bad { border-color: rgba(239, 68, 68, 0.25); }

.a4u-conn-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.a4u-conn-card__head h3 {
  font-size: 15px;
  font-weight: 700;
}

.a4u-conn-card__pill {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: var(--a4u-radius-full);
  background: var(--a4u-surface-raised);
}

.a4u-conn-card__msg {
  font-size: 14px;
  line-height: 1.45;
}

.a4u-conn-card__detail {
  font-size: 12px;
  color: var(--a4u-muted);
  margin-top: 8px;
}

.a4u-conn-split {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  padding: 10px 12px;
  border-radius: var(--a4u-radius-sm);
  background: var(--a4u-bg);
  border: 1px solid var(--a4u-border);
}

.a4u-conn-split__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.a4u-conn-split__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--a4u-muted);
  flex-shrink: 0;
}

.a4u-conn-card .a4u-btn {
  margin-top: 12px;
}

/* Forms */
.a4u-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

.a4u-input {
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--a4u-radius-sm);
  border: 1px solid var(--a4u-border);
  background: var(--a4u-bg);
  color: var(--a4u-text);
  font-family: var(--a4u-font);
  font-size: 14px;
}

.a4u-input:focus {
  outline: none;
  border-color: var(--a4u-accent);
}

.a4u-hint {
  font-size: 12px;
  color: var(--a4u-muted);
  margin-top: 6px;
}

.a4u-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
}

.a4u-form-group { margin-bottom: 16px; }
.a4u-form-row { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }

/* Playlist search */
.a4u-pl-search { margin-bottom: 20px; }

.a4u-pl-search-results {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 360px;
  overflow-y: auto;
}

.a4u-pl-card {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 10px;
  border: 1px solid var(--a4u-border);
  border-radius: var(--a4u-radius-sm);
  background: var(--a4u-bg);
  color: var(--a4u-text);
  font-family: var(--a4u-font);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.a4u-pl-card:hover {
  border-color: var(--a4u-border-strong);
  background: var(--a4u-surface-hover);
}

.a4u-pl-card__art {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.a4u-pl-card__art--ph {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: rgba(255,255,255,0.85);
}

.a4u-pl-card__body { flex: 1; min-width: 0; }
.a4u-pl-card__name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.a4u-pl-card__meta { display: block; font-size: 12px; color: var(--a4u-muted); margin-top: 2px; }
.a4u-pl-card__add { font-size: 18px; color: var(--a4u-accent); font-weight: 700; }

/* Queue builder */
.a4u-queue-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
}

.a4u-queue-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--a4u-border);
  border-radius: var(--a4u-radius-sm);
  background: var(--a4u-bg);
}

.a4u-queue-summary__stat span {
  display: block;
  font-size: 11px;
  color: var(--a4u-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.a4u-queue-summary__stat strong {
  font-size: 18px;
  font-weight: 800;
}

.a4u-queue-builder {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.a4u-queue-item {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 12px;
  border: 1px solid var(--a4u-border);
  border-radius: var(--a4u-radius-sm);
  background: var(--a4u-bg);
  transition: border-color 0.15s, opacity 0.15s;
}

.a4u-queue-item__main {
  display: flex;
  align-items: center;
  gap: 10px;
}

.a4u-queue-item--dragging { opacity: 0.5; }
.a4u-queue-item__handle { cursor: grab; color: var(--a4u-muted); }
.a4u-queue-item__num { font-weight: 800; color: var(--a4u-music); width: 20px; text-align: center; }

.a4u-queue-item__art {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
}

.a4u-queue-item__art--ph {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 6px;
  font-size: 16px;
  color: rgba(255,255,255,0.85);
}

.a4u-queue-item__body { flex: 1; min-width: 0; }
.a4u-queue-item__name {
  display: block;
  font-weight: 600;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.a4u-queue-item__meta { display: block; font-size: 12px; color: var(--a4u-muted); }
.a4u-queue-item__actions { display: flex; gap: 4px; }

.a4u-queue-item__settings {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--a4u-border);
}

.a4u-queue-item__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 12px;
  color: var(--a4u-muted);
}

.a4u-queue-item__summary::-webkit-details-marker { display: none; }

.a4u-queue-item__runtime {
  font-family: var(--a4u-font-mono, "JetBrains Mono", monospace);
  font-size: 11px;
  color: var(--a4u-text);
}

.a4u-queue-item__settings-label {
  font-weight: 600;
  color: var(--a4u-music);
}

.a4u-queue-item__group {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--a4u-border);
  border-radius: 8px;
}

.a4u-queue-item__group legend {
  padding: 0 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--a4u-text);
}

.a4u-queue-item__explainer {
  margin-top: 8px;
  font-size: 12px;
  color: var(--a4u-muted);
}

.a4u-queue-item__explainer summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--a4u-music);
}

.a4u-queue-item__explainer ol {
  margin: 6px 0 0;
  padding-left: 1.2rem;
}

.a4u-pl-search-mode {
  margin-top: 6px;
  font-weight: 600;
  color: var(--a4u-music);
}

.a4u-queue-item__fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.a4u-queue-item__field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}

.a4u-input--sm {
  padding: 6px 8px;
  font-size: 13px;
}

.a4u-check--block {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
}

.a4u-queue-next-note {
  margin-top: 12px;
}

/* Review */
.a4u-review-card { margin-top: 8px; }

.a4u-review-list {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px 16px;
  font-size: 14px;
  margin: 16px 0;
}

.a4u-review-list dt { color: var(--a4u-muted); }
.a4u-review-list dd { font-weight: 600; }

.a4u-review-playlists {
  margin: 12px 0 16px;
  padding-left: 20px;
  font-size: 13px;
  color: var(--a4u-text-secondary);
}

.a4u-review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* Inline warnings */
.a4u-inline-warn {
  padding: 10px 12px;
  border-radius: var(--a4u-radius-sm);
  font-size: 13px;
  margin: 10px 0;
  border: 1px solid var(--a4u-border);
}

.a4u-inline-warn--warn { background: var(--a4u-warning-soft); border-color: rgba(245,158,11,0.3); }
.a4u-inline-warn--error { background: var(--a4u-danger-soft); border-color: rgba(239,68,68,0.3); }
.a4u-inline-warn--ok { background: var(--a4u-accent-soft); border-color: rgba(34,197,94,0.3); }

.a4u-advanced {
  margin-top: 16px;
  padding: 12px;
  border: 1px dashed var(--a4u-border);
  border-radius: var(--a4u-radius-sm);
}

.a4u-advanced summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
}

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

@media (max-width: 600px) {
  .a4u-stepper__label { display: none; }
  .a4u-review-list { grid-template-columns: 1fr; }
}

/* H1.0.7 Community queue badge (also used without community.css loaded) */
.a4u-queue-item__comm,
.a4u-comm-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.1rem 0.4rem;
  margin: 0.15rem 0.35rem 0.15rem 0;
  border-radius: var(--a4u-radius-sm, 4px);
  background: var(--a4u-surface-raised, rgba(255,255,255,0.08));
  color: var(--a4u-text-secondary, #9aa3b2);
  vertical-align: middle;
}
.a4u-queue-item__comm-link {
  font-size: 0.75rem;
}