/* ============================================================================ */
/* UNIFIED BAR (CMD+K) */
/* ============================================================================ */

.ub-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    z-index: calc(var(--z-layer-modal) + 1);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-in-out);
}

.ub-overlay.visible {
    opacity: 1;
}

.ub-container {
    width: 560px;
    max-width: 90vw;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-3);
    overflow: hidden;
    transform: translateY(-12px) scale(0.97);
    opacity: 0;
    animation: ubSlideIn var(--duration-normal) var(--ease-in-out) forwards;
}

@keyframes ubSlideIn {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.ub-overlay:not(.visible) .ub-container {
    transition: transform var(--duration-fast) var(--ease-in-out), opacity var(--duration-fast) var(--ease-in-out);
}

/* Input wrapper */
.ub-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-light);
}

.ub-search-icon {
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
    stroke-width: 2;
    flex-shrink: 0;
}

.ub-input {
    flex: 1;
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-primary);
    min-height: 24px;
    word-break: break-word;
}

.ub-input:empty::before {
    content: attr(data-placeholder);
    color: var(--text-tertiary);
    pointer-events: none;
}

.ub-shortcut-badge {
    display: flex;
    align-items: center;
    gap: 2px;
    font-size: var(--font-size-xs);
    color: var(--text-quaternary);
    flex-shrink: 0;
}

.ub-shortcut-badge kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    font-family: var(--font-family);
    font-size: var(--font-size-2xs);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
}

/* Results */
.ub-results {
    max-height: 340px;
    overflow-y: auto;
    padding: var(--space-1) 0;
}

/* Live wrapper for search rows (unified-bar.js handleInput) — layout-neutral. */
.ub-search-section {
    display: contents;
}

.ub-result-group-header {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: var(--space-2) var(--space-4) var(--space-1);
    user-select: none;
}

.ub-result-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    min-height: 44px;
    cursor: pointer;
    transition: background var(--transition-fast);
    border-left: 2px solid transparent;
}

.ub-result-item:hover,
.ub-result-item.selected {
    background: var(--accent-blue-light);
    border-left-color: var(--accent-blue);
}

.ub-result-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.ub-result-icon svg {
    width: 16px;
    height: 16px;
}

.ub-result-title {
    flex: 1;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ub-result-type {
    font-size: var(--font-size-xs);
    color: var(--text-quaternary);
    text-transform: capitalize;
    flex-shrink: 0;
}

.ub-empty-hint {
    padding: var(--space-4);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* Create task row */
.ub-create-row {
    border-top: 1px solid var(--border-light);
    margin-top: var(--space-1);
    padding-top: var(--space-3);
}

.ub-create-row .ub-result-icon {
    color: var(--accent-blue);
}

.ub-create-row .ub-result-title {
    color: var(--accent-blue);
}

.ub-create-row .ub-result-type {
    display: flex;
    gap: 2px;
}

.ub-create-row .ub-result-type kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 16px;
    height: 16px;
    padding: 0 3px;
    font-family: var(--font-family);
    font-size: 9px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
}

.ub-create-primary {
    background: var(--accent-blue-light);
}

.ub-create-primary .ub-result-title {
    font-weight: 600;
}

/* Semantic search badge and loading */
.ub-semantic-badge {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #4A90D9;
    background: rgba(74, 144, 217, 0.1);
    border-radius: var(--radius-sm);
    padding: 2px 5px;
    flex-shrink: 0;
    margin-left: auto;
    margin-right: 4px;
}

.ub-semantic-loading {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: var(--font-size-12);
    color: var(--text-tertiary);
}

.ub-semantic-spinner {
    width: 12px;
    height: 12px;
    border: 2px solid var(--border-light);
    border-top-color: #4A90D9;
    border-radius: var(--radius-circle);
    animation: ub-spin 0.6s linear infinite;
    flex-shrink: 0;
}

@keyframes ub-spin {
    to { transform: rotate(360deg); }
}

.ub-semantic-group-header {
    color: #4A90D9;
}

[data-theme="dark"] .ub-semantic-badge {
    color: #6BB0F0;
    background: rgba(107, 176, 240, 0.15);
}

[data-theme="dark"] .ub-semantic-spinner {
    border-color: var(--border-light);
    border-top-color: #6BB0F0;
}

[data-theme="dark"] .ub-semantic-group-header {
    color: #6BB0F0;
}

.ub-semantic-error {
    padding: 8px 16px;
    font-size: var(--font-size-12);
    color: var(--text-tertiary);
    opacity: 1;
    transition: opacity var(--duration-slow) var(--ease-in-out);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .ub-semantic-badge {
        color: #6BB0F0;
        background: rgba(107, 176, 240, 0.15);
    }

    :root:not([data-theme="light"]) .ub-semantic-spinner {
        border-color: var(--border-light);
        border-top-color: #6BB0F0;
    }

    :root:not([data-theme="light"]) .ub-semantic-group-header {
        color: #6BB0F0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ub-semantic-spinner {
        animation: none;
        border-top-color: #4A90D9;
        opacity: 0.6;
    }
}

/* Expanded form */
.ub-expanded {
    border-top: 1px solid var(--border-light);
    padding: var(--space-3) var(--space-4) var(--space-4);
}

.ub-expanded-notes {
    width: 100%;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-secondary);
    color: var(--text-primary);
    resize: vertical;
    min-height: 48px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.ub-expanded-notes:focus {
    border-color: var(--accent-blue);
}

.ub-expanded-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.ub-expanded-field {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    transition: border-color var(--transition-fast), background var(--transition-fast);
    position: relative;
}

.ub-expanded-field:hover {
    border-color: var(--accent-blue-border);
    background: var(--accent-blue-bg);
}

.ub-expanded-field.has-value {
    color: var(--accent-blue);
    border-color: var(--accent-blue-border);
}

.ub-expanded-field-icon {
    display: flex;
    align-items: center;
    width: 16px;
    height: 16px;
    color: inherit;
}

.ub-expanded-field-icon svg {
    width: 16px;
    height: 16px;
}

.ub-expanded-field-label {
    flex: 1;
}

.ub-expanded-actions {
    margin-top: var(--space-3);
    display: flex;
    justify-content: flex-end;
}

.ub-expanded-submit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--accent-fill);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.ub-expanded-submit:hover {
    background: var(--accent-fill-hover);
}

.ub-expanded-submit kbd {
    font-family: var(--font-family);
    font-size: 9px;
    opacity: 0.7;
}