/* Additions for the refactored BLADE UI: toast queue variants, virtual list,
   rate-limit banner, platform badges, bulk actions, AI badges, reaction picker,
   keyboard hint, preferences modal. */

/* ===== Toast queue (ARIA-aware) ===== */

#toastContainer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 300;
    display: flex;
    flex-direction: column-reverse;
    gap: 8px;
    pointer-events: none;
    max-width: min(420px, calc(100vw - 24px));
}

.toast {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-left-width: 3px;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    font-size: 13.5px;
    line-height: 1.45;
    transform: translateY(12px);
    opacity: 0;
    transition: transform var(--transition-base), opacity var(--transition-base);
}
.toast.toast-in { transform: translateY(0); opacity: 1; }
.toast.toast-leaving { transform: translateX(18px); opacity: 0; }

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-error   { border-left-color: var(--danger); }
.toast.toast-warning { border-left-color: var(--warning); }
.toast.toast-info    { border-left-color: var(--accent); }

.toast .toast-icon  { flex: 0 0 18px; display: flex; color: var(--text-secondary); margin-top: 1px; }
.toast.toast-success .toast-icon { color: var(--success); }
.toast.toast-error .toast-icon   { color: var(--danger); }
.toast.toast-warning .toast-icon { color: var(--warning); }
.toast.toast-info .toast-icon    { color: var(--accent); }

.toast .toast-msg { flex: 1; }
.toast .toast-close {
    flex: 0 0 22px;
    height: 22px;
    border: 0;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: grid;
    place-items: center;
}
.toast .toast-close:hover { color: var(--text-primary); background: var(--bg-hover); }

/* ===== Virtual list ===== */

.vl-frame { display: flex; flex-direction: column; }
.vl-spacer { pointer-events: none; }

/* ===== Rate-limit banner ===== */

.rate-banner {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: color-mix(in srgb, var(--warning) 12%, var(--bg-surface));
    border-bottom: 1px solid color-mix(in srgb, var(--warning) 40%, transparent);
    color: var(--text-primary);
    font-size: 13px;
}
.rate-banner.active { display: flex; }
.rate-banner .rate-icon { color: var(--warning); }
.rate-banner .rate-detail { color: var(--text-secondary); }

/* ===== Platform badge ===== */

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.02em;
    background: var(--bg-elevated);
    color: var(--text-tertiary);
    border: 1px solid var(--border-subtle);
}
.platform-badge.fb { background: rgba(24,119,242,.15); color: #6faaff; border-color: rgba(24,119,242,.3); }
.platform-badge.ig {
    background: linear-gradient(90deg, rgba(225,48,108,.15), rgba(252,176,69,.15));
    color: #ff8dab; border-color: rgba(225,48,108,.3);
}

/* ===== Avatar fallback ===== */

.avatar-fallback {
    display: grid;
    place-items: center;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
}
.avatar-fallback::before { content: attr(data-initial); }

/* ===== AI badges ===== */

.ai-badges { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 7px;
    font-size: 11px;
    border-radius: 999px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-tertiary);
}
.ai-badge.spam     { border-color: color-mix(in srgb, var(--danger) 40%, transparent); color: var(--danger); }
.ai-badge.positive { border-color: color-mix(in srgb, var(--success) 40%, transparent); color: var(--success); }
.ai-badge.negative { border-color: color-mix(in srgb, var(--warning) 40%, transparent); color: var(--warning); }

/* ===== Bulk actions bar ===== */

.bulk-bar {
    position: sticky;
    bottom: 16px;
    margin: 16px auto 0;
    max-width: 640px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 10px 14px;
    display: none;
    align-items: center;
    gap: 8px;
}
.bulk-bar.active { display: flex; }
.bulk-bar .bulk-count { font-weight: 600; margin-right: auto; color: var(--text-primary); }
.bulk-bar button {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
}
.bulk-bar button:hover { background: var(--bg-hover); }
.bulk-bar button.danger { color: var(--danger); }

/* ===== Selection checkbox on cards ===== */

.card-select {
    opacity: 0;
    transition: opacity var(--transition-fast);
    cursor: pointer;
}
.comment-card:hover .card-select,
.comment-card.selected .card-select { opacity: 1; }
.comment-card.selected {
    background: color-mix(in srgb, var(--accent) 8%, var(--bg-surface));
    border-color: var(--accent-muted);
}

/* ===== Keyboard shortcuts help modal ===== */

.shortcuts-help { font-family: var(--font-mono); font-size: 13px; }
.shortcuts-help dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; }
.shortcuts-help dt { color: var(--text-primary); font-weight: 600; }
.shortcuts-help kbd {
    display: inline-block;
    padding: 2px 6px;
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 4px;
    background: var(--bg-elevated);
    font-size: 11.5px;
}

/* ===== "Charger plus" button ===== */

.load-more-btn {
    display: block;
    margin: 14px auto;
    padding: 10px 20px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-base);
}
.load-more-btn:hover { background: var(--bg-hover); }
.load-more-btn:disabled { opacity: 0.6; cursor: progress; }
.load-more-count { color: var(--text-tertiary); font-size: 12.5px; margin-left: 6px; }