/* Unified UX system helpers: states, accessibility, command palette, context bars. */

:root {
    --ui-focus-ring: 0 0 0 3px rgba(59, 130, 246, 0.35);
    --ui-state-empty: var(--text-muted, #94a3b8);
    --ui-state-error: #ef4444;
}

.skip-link {
    position: absolute;
    left: 0.75rem;
    top: -100%;
    z-index: 2000;
    background: var(--bg-secondary, #1e293b);
    color: var(--text-primary, #fff);
    border: 1px solid var(--border-color, #334155);
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0.75rem;
}

:focus-visible {
    outline: none;
    box-shadow: var(--ui-focus-ring);
}

.sticky-context-bar {
    position: sticky;
    top: 65px;
    z-index: 1018;
    background: color-mix(in srgb, var(--bg-secondary, #1e293b) 84%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color, #334155);
    padding: 0.55rem 0;
}

.sticky-context-bar-admin {
    top: 0;
}

.sticky-context-title {
    font-size: 0.92rem;
    line-height: 1.2;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-primary, #f1f5f9);
}

.sticky-context-subtitle {
    font-size: 0.76rem;
    color: var(--text-muted, #94a3b8);
}

.command-shortcut {
    margin-left: 0.35rem;
    font-size: 0.7rem;
    opacity: 0.8;
}

.jalfa-command-backdrop {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(15, 23, 42, 0.65);
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: min(16vh, 8rem);
}

.jalfa-command-backdrop.is-open {
    display: flex;
}

.jalfa-command-panel {
    width: min(720px, calc(100vw - 2rem));
    border: 1px solid var(--border-color, #334155);
    background: var(--bg-secondary, #1e293b);
    border-radius: 0.9rem;
    box-shadow: var(--shadow-xl, 0 20px 30px rgba(0,0,0,0.4));
    overflow: hidden;
}

.jalfa-command-search {
    border: 0;
    border-bottom: 1px solid var(--border-color, #334155);
    border-radius: 0;
    background: transparent;
    color: var(--text-primary, #f1f5f9);
    padding: 0.9rem 1rem;
}

.jalfa-command-search::placeholder {
    color: var(--text-muted, #94a3b8);
}

.jalfa-command-list {
    max-height: 56vh;
    overflow: auto;
}

.jalfa-command-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--text-primary, #f1f5f9);
    padding: 0.75rem 1rem;
    text-decoration: none;
}

.jalfa-command-item:hover,
.jalfa-command-item:focus-visible,
.jalfa-command-item.is-active {
    background: var(--bg-tertiary, #334155);
}

.jalfa-command-empty {
    color: var(--text-muted, #94a3b8);
    padding: 0.9rem 1rem;
}

.ui-state {
    border: 1px dashed var(--border-color, #334155);
    border-radius: 0.85rem;
    padding: 1rem;
    text-align: center;
    color: var(--ui-state-empty);
}

.ui-state-icon {
    display: inline-flex;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary, #334155);
    margin-bottom: 0.55rem;
}

.ui-state-title {
    font-weight: 700;
    color: var(--text-primary, #f1f5f9);
    margin-bottom: 0.2rem;
}

.ui-state-error .ui-state-icon {
    color: #fff;
    background: var(--ui-state-error);
}

.ui-skeleton {
    position: relative;
    overflow: hidden;
    border-radius: 0.45rem;
    min-height: 0.9rem;
    background: color-mix(in srgb, var(--bg-tertiary, #334155) 80%, var(--bg-secondary, #1e293b));
}

.ui-skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
    animation: ui-skeleton-shimmer 1.2s infinite;
}

@keyframes ui-skeleton-shimmer {
    100% {
        transform: translateX(100%);
    }
}

[data-theme="sunny"] .jalfa-command-backdrop {
    background: rgba(15, 23, 42, 0.32);
}

@media (max-width: 991.98px) {
    .sticky-context-bar {
        top: 58px;
    }

    .sticky-context-bar-admin {
        top: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .skip-link,
    .ui-skeleton::after {
        transition: none !important;
        animation: none !important;
    }
}