/* ============================================
   CheckApp — Main Page Styles (index.html)
   ============================================ */

/* --- Header extensions --- */
.header-left h1 {
    color: #ffffff;
    font-size: var(--font-size-2xl);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-info {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-info strong {
    color: #ffffff;
    font-weight: 500;
}

.btn-logout {
    background: var(--color-danger);
    color: white;
    border: none;
    padding: 0.65rem 1.3rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.btn-logout:hover {
    background: var(--color-danger-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
}

/* --- Login --- */
.login-container {
    max-width: 420px;
    margin: 8rem auto;
    position: relative;
    background: var(--color-bg-elevated);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.login-container::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, var(--color-accent-glow), transparent 60%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.login-container h2 {
    color: #ffffff;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    font-size: var(--font-size-2xl);
}

/* --- Source Tabs --- */
.source-tabs {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    justify-content: center;
}

.source-tab {
    background: var(--color-bg-surface);
    color: var(--color-text-secondary);
    border: 2px solid var(--color-border-hover);
    padding: var(--spacing-lg) 3rem;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    min-width: 200px;
    position: relative;
}

.source-tab:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-text-muted);
    transform: translateY(-2px);
}

.source-tab.active {
    background: var(--color-bg-surface);
    color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 4px 16px var(--color-accent-glow);
}

.source-tab-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

/* --- Search Section --- */
.search-section {
    background: var(--color-bg-elevated);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.search-section h2 {
    color: #ffffff;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

/* --- Query Tabs --- */
.query-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.query-tab {
    background: var(--color-bg-surface);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-hover);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 0.9rem;
    font-weight: 500;
}

.query-tab:hover {
    background: var(--color-bg-active);
    color: var(--color-text-primary);
    border-color: var(--color-text-muted);
}

.query-tab.active {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 2px 8px var(--color-accent-glow);
}

/* --- Form Fields Grid --- */
.form-fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* --- Search Button --- */
.btn-search {
    background: var(--color-accent);
    color: white;
    border: none;
    padding: 0.9rem 2rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-search:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--color-accent-glow);
}

.btn-search:disabled {
    background: var(--color-border-hover);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* --- Results Section --- */
.results-section {
    background: var(--color-bg-elevated);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.results-header h3 {
    color: #ffffff;
    font-size: 1.4rem;
}

.export-buttons {
    display: flex;
    gap: 0.75rem;
}

.btn-export {
    background: #6c757d;
    color: white;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.btn-export:hover:not(:disabled) {
    background: #5a6268;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.3);
}

.btn-export:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* --- Result Items --- */
.result-item {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    animation: fadeIn 0.3s ease;
}

.result-item:hover {
    border-color: var(--color-text-muted);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.result-header {
    background: var(--color-bg-active);
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-normal);
}

.result-header:hover {
    background: var(--color-bg-hover);
}

.result-header h4 {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 500;
}

.toggle-icon {
    color: var(--color-text-muted);
    font-size: 1.2rem;
    transition: transform var(--transition-normal);
}

.result-header.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

/* --- Result Content (expandable) --- */
.result-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    padding: 0 var(--spacing-lg);
}

.result-content.show {
    max-height: 2000px;
    padding: var(--spacing-lg);
}

.result-content table {
    width: 100%;
    border-collapse: collapse;
}

.result-content td {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--color-border);
}

.result-content td:first-child {
    color: var(--color-text-muted);
    font-weight: 500;
    width: 200px;
    padding-right: var(--spacing-md);
}

.result-content td:last-child {
    color: var(--color-text-primary);
}

.result-content tr:last-child td {
    border-bottom: none;
}

/* --- Info block inside result content --- */
.result-info-block {
    margin-bottom: var(--spacing-md);
    padding: 0.75rem;
    background: var(--color-bg-surface);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
}

/* --- Result divider --- */
.result-divider {
    border-top: 1px solid var(--color-border-hover);
    margin: var(--spacing-md) 0;
}

/* --- Help Box --- */
.help-box {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.help-box strong {
    color: #ffffff;
    display: block;
    margin-top: var(--spacing-md);
}

.help-box strong:first-child {
    margin-top: 0;
}

.help-box ul {
    margin: var(--spacing-sm) 0 0 var(--spacing-lg);
    padding: 0;
}

/* --- Collapsible help --- */
.help-collapsible {
    cursor: default;
}

.help-summary {
    cursor: pointer;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.95rem;
    padding: var(--spacing-sm) 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.help-summary::-webkit-details-marker {
    display: none;
}

.help-summary::before {
    content: '▶';
    font-size: 0.7rem;
    color: var(--color-text-muted);
    transition: transform var(--transition-normal);
}

details.help-collapsible[open] > .help-summary::before {
    transform: rotate(90deg);
}

.help-body {
    margin-top: var(--spacing-sm);
}

/* --- Admin Link --- */
.admin-link {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background: rgba(108, 117, 125, 0.9);
    backdrop-filter: blur(8px);
    color: white;
    padding: 0.8rem var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.admin-link:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

/* --- AI Analysis box --- */
.ai-analysis-box {
    margin-top: var(--spacing-md);
}

.ai-analysis-content {
    margin-top: var(--spacing-md);
    line-height: 1.7;
    color: var(--color-text-primary);
}

.ai-analysis-content .ai-heading {
    color: #ffffff;
    margin: 1.2rem 0 0.5rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--color-border);
}

.ai-analysis-content h2.ai-heading { font-size: 1.3rem; }
.ai-analysis-content h3.ai-heading { font-size: 1.15rem; }
.ai-analysis-content h4.ai-heading { font-size: 1.05rem; border-bottom: none; }
.ai-analysis-content h5.ai-heading { font-size: 0.95rem; border-bottom: none; }

.ai-analysis-content p {
    margin: 0.5rem 0;
    color: var(--color-text-primary);
}

.ai-analysis-content strong {
    color: #ffffff;
    display: inline;
    margin-top: 0;
}

.ai-analysis-content .ai-list {
    margin: 0.4rem 0 0.6rem 1.5rem;
    padding: 0;
}

.ai-analysis-content .ai-list li {
    margin-bottom: 0.3rem;
    color: var(--color-text-secondary);
}

.ai-analysis-content .ai-list li strong {
    color: #ffffff;
}

.ai-analysis-content .ai-hr {
    border: none;
    border-top: 1px solid var(--color-border-hover);
    margin: 1rem 0;
}

.ai-analysis-content .ai-code {
    background: var(--color-bg-surface);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.88em;
    color: var(--color-accent);
}

/* --- Action buttons row (inline in results) --- */
.result-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .header-right {
        width: 100%;
        justify-content: center;
    }

    .form-fields {
        grid-template-columns: 1fr;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .export-buttons {
        width: 100%;
        flex-wrap: wrap;
    }

    .btn-export {
        flex: 1;
    }

    .source-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .source-tab {
        min-width: unset;
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
    }

    .login-container {
        margin: 4rem auto;
        padding: var(--spacing-xl);
    }
}

/* --- Validation styles (Phase 2) --- */
input.valid {
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

input.invalid {
    border-color: var(--color-danger) !important;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.15);
}

.validation-error {
    display: block;
    color: var(--color-danger);
    font-size: 0.8rem;
    margin-top: 4px;
}

/* --- Cancel button (Phase 4) --- */
.cancel-btn {
    display: inline-block;
    margin-top: var(--spacing-sm);
    background: var(--color-danger);
    color: white;
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.cancel-btn:hover {
    background: var(--color-danger-hover);
}

/* --- Results counter (Phase 3) --- */
.results-counter {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

/* --- Copy button (Phase 5) --- */
.copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.8rem;
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    opacity: 0;
    transition: opacity var(--transition-normal);
    vertical-align: middle;
    margin-left: 4px;
}

.copy-btn.copied {
    color: var(--color-accent);
    opacity: 1;
}

.result-content tr:hover .copy-btn {
    opacity: 0.7;
}

.result-content tr:hover .copy-btn:hover {
    opacity: 1;
}