/* ==========================================================================
   Starter Search Modal - Tailwind-style Design
   ========================================================================== */

:root {
    --ssm-backdrop-bg: rgba(0, 0, 0, 0.5);
    --ssm-panel-bg: #ffffff;
    --ssm-panel-border: #e5e7eb;
    --ssm-panel-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --ssm-input-bg: transparent;
    --ssm-input-text: #111827;
    --ssm-input-placeholder: #9ca3af;
    --ssm-border-color: #e5e7eb;
    --ssm-text-primary: #111827;
    --ssm-text-secondary: #6b7280;
    --ssm-text-muted: #9ca3af;
    --ssm-accent: #3b82f6;
    --ssm-accent-light: #eff6ff;
    --ssm-hover-bg: #f9fafb;
    --ssm-kbd-bg: #f3f4f6;
    --ssm-kbd-border: #d1d5db;
    --ssm-kbd-text: #374151;
    --ssm-group-bg: #f9fafb;
    --ssm-highlight-bg: #fef3c7;
    --ssm-radius: 12px;
    --ssm-radius-sm: 6px;
    --ssm-transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --ssm-panel-bg: #1f2937;
        --ssm-panel-border: #374151;
        --ssm-input-text: #f9fafb;
        --ssm-input-placeholder: #6b7280;
        --ssm-border-color: #374151;
        --ssm-text-primary: #f9fafb;
        --ssm-text-secondary: #d1d5db;
        --ssm-text-muted: #6b7280;
        --ssm-accent-light: #1e3a5f;
        --ssm-hover-bg: #374151;
        --ssm-kbd-bg: #374151;
        --ssm-kbd-border: #4b5563;
        --ssm-kbd-text: #d1d5db;
        --ssm-group-bg: #111827;
        --ssm-highlight-bg: #78350f;
    }
}

/* ==========================================================================
   Trigger Button
   ========================================================================== */

.starter-search-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--ssm-panel-bg);
    border: 1px solid var(--ssm-border-color);
    border-radius: var(--ssm-radius-sm);
    color: var(--ssm-text-secondary);
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--ssm-transition);
    min-width: 200px;
}

.starter-search-trigger:hover {
    border-color: var(--ssm-text-muted);
    color: var(--ssm-text-primary);
}

.starter-search-trigger:focus {
    outline: none;
    border-color: var(--ssm-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.starter-search-icon {
    flex-shrink: 0;
    opacity: 0.5;
}

.starter-search-text {
    flex: 1;
    text-align: left;
}

.starter-search-kbd {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
}

.starter-search-kbd-meta,
.starter-search-kbd-key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    background: var(--ssm-kbd-bg);
    border: 1px solid var(--ssm-kbd-border);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--ssm-kbd-text);
    font-family: inherit;
}

/* ==========================================================================
   Modal Structure
   ========================================================================== */

.starter-search-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 10vh 16px 16px;
}

.starter-search-modal[hidden] {
    display: none;
}

.starter-search-modal.is-open {
    animation: ssm-fade-in 150ms ease-out;
}

.starter-search-modal.is-closing {
    animation: ssm-fade-out 100ms ease-in forwards;
}

@keyframes ssm-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes ssm-fade-out {
    from { opacity: 1; }
    to { opacity: 0; }
}

.starter-search-backdrop {
    position: absolute;
    inset: 0;
    background: var(--ssm-backdrop-bg);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.starter-search-container {
    position: relative;
    width: 100%;
    max-width: 600px;
}

.starter-search-panel {
    background: var(--ssm-panel-bg);
    border: 1px solid var(--ssm-panel-border);
    border-radius: var(--ssm-radius);
    box-shadow: var(--ssm-panel-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 70vh;
    animation: ssm-slide-up 200ms ease-out;
}

@keyframes ssm-slide-up {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ==========================================================================
   Header / Search Input
   ========================================================================== */

.starter-search-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--ssm-border-color);
}

.starter-search-header-icon {
    flex-shrink: 0;
    color: var(--ssm-text-muted);
}

.starter-search-input {
    flex: 1;
    background: var(--ssm-input-bg);
    border: none;
    outline: none;
    font-size: 16px;
    font-family: inherit;
    color: var(--ssm-input-text);
    caret-color: var(--ssm-accent);
}

.starter-search-input::placeholder {
    color: var(--ssm-input-placeholder);
}

.starter-search-close {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
}

.starter-search-close kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 24px;
    padding: 0 6px;
    background: var(--ssm-kbd-bg);
    border: 1px solid var(--ssm-kbd-border);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--ssm-kbd-text);
    font-family: inherit;
    transition: all var(--ssm-transition);
}

.starter-search-close:hover kbd {
    background: var(--ssm-hover-bg);
    border-color: var(--ssm-text-muted);
}

/* ==========================================================================
   Results Body
   ========================================================================== */

.starter-search-body {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.starter-search-results {
    padding: 8px;
}

/* Empty State */
.starter-search-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
}

.starter-search-empty-state p {
    margin: 0;
    color: var(--ssm-text-muted);
    font-size: 14px;
}

/* Loading State */
.starter-search-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 40px 20px;
    color: var(--ssm-text-muted);
    font-size: 14px;
}

.starter-search-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--ssm-border-color);
    border-top-color: var(--ssm-accent);
    border-radius: 50%;
    animation: ssm-spin 600ms linear infinite;
}

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

/* No Results */
.starter-search-no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 40px 20px;
    text-align: center;
}

.starter-search-no-results-icon {
    color: var(--ssm-text-muted);
    opacity: 0.5;
}

.starter-search-no-results p {
    margin: 0;
    color: var(--ssm-text-muted);
    font-size: 14px;
}

/* ==========================================================================
   Result Groups
   ========================================================================== */

.starter-search-group {
    margin-bottom: 8px;
}

.starter-search-group:last-child {
    margin-bottom: 0;
}

.starter-search-group-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ssm-text-muted);
}

.starter-search-group-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

.starter-search-group-items {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* ==========================================================================
   Result Items
   ========================================================================== */

.starter-search-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--ssm-radius-sm);
    text-decoration: none;
    color: inherit;
    transition: background-color var(--ssm-transition);
    cursor: pointer;
}

.starter-search-item:hover,
.starter-search-item.is-active {
    background: var(--ssm-hover-bg);
}

.starter-search-item.is-active {
    background: var(--ssm-accent-light);
}

.starter-search-item-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
    color: var(--ssm-text-muted);
}

.starter-search-item-content {
    flex: 1;
    min-width: 0;
}

.starter-search-item-title {
    margin: 0 0 2px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ssm-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.starter-search-item-title mark {
    background: var(--ssm-highlight-bg);
    color: inherit;
    padding: 0 2px;
    border-radius: 2px;
}

.starter-search-item-excerpt {
    margin: 0;
    font-size: 13px;
    color: var(--ssm-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.starter-search-item-excerpt mark {
    background: var(--ssm-highlight-bg);
    color: inherit;
    padding: 0 2px;
    border-radius: 2px;
}

.starter-search-item-arrow {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 4px;
    color: var(--ssm-text-muted);
    opacity: 0;
    transform: translateX(-4px);
    transition: all var(--ssm-transition);
}

.starter-search-item:hover .starter-search-item-arrow,
.starter-search-item.is-active .starter-search-item-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.starter-search-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
    padding: 12px 16px;
    border-top: 1px solid var(--ssm-border-color);
    background: var(--ssm-group-bg);
}

.starter-search-footer-hints {
    display: flex;
    align-items: center;
    gap: 16px;
}

.starter-search-hint {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--ssm-text-muted);
}

.starter-search-hint kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 18px;
    padding: 0 4px;
    background: var(--ssm-kbd-bg);
    border: 1px solid var(--ssm-kbd-border);
    border-radius: 3px;
    font-size: 10px;
    font-weight: 500;
    color: var(--ssm-kbd-text);
    font-family: inherit;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 640px) {
    .starter-search-modal {
        padding: 0;
        align-items: stretch;
    }
    
    .starter-search-container {
        max-width: none;
        height: 100%;
    }
    
    .starter-search-panel {
        border-radius: 0;
        max-height: 100%;
        height: 100%;
    }
    
    .starter-search-trigger {
        min-width: auto;
        padding: 8px;
    }
    
    .starter-search-trigger .starter-search-text,
    .starter-search-trigger .starter-search-kbd {
        display: none;
    }
    
    .starter-search-footer {
        padding: 10px 12px;
    }
    
    .starter-search-footer-hints {
        gap: 12px;
    }
    
    .starter-search-hint span:not(kbd) {
        display: none;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .starter-search-item {
        padding: 14px 12px;
    }
    
    .starter-search-item-arrow {
        display: none;
    }
    
    .starter-search-trigger .starter-search-kbd {
        display: none;
    }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .starter-search-modal,
    .starter-search-panel,
    .starter-search-item,
    .starter-search-item-arrow,
    .starter-search-spinner {
        animation: none;
        transition: none;
    }
}

.starter-search-item:focus {
    outline: none;
}

.starter-search-item:focus-visible {
    outline: 2px solid var(--ssm-accent);
    outline-offset: -2px;
}

@media (forced-colors: active) {
    .starter-search-panel {
        border: 2px solid CanvasText;
    }
    
    .starter-search-item.is-active {
        outline: 2px solid Highlight;
    }
}