/* === Reset & Variables === */
:root {
    --bg: #1a1a2e;
    --bg-card: #16213e;
    --bg-input: #0f3460;
    --text: #e4e4e4;
    --text-muted: #a0a0b0;
    --accent: #e94560;
    --accent-hover: #ff6b81;
    --border: #2a2a4a;
    --score-high: #e94560;
    --score-medium: #f0a500;
    --score-low: #6c757d;
    --entity-person: #e94560;
    --entity-organization: #4ea8de;
    --entity-location: #06d6a0;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

[data-theme="light"] {
    --bg: #f5f5f5;
    --bg-card: #ffffff;
    --bg-input: #e8e8e8;
    --text: #1a1a1a;
    --text-muted: #666;
    --accent: #d63031;
    --accent-hover: #e17055;
    --border: #ddd;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* === Navbar === */
.navbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 2rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand a {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 1rem;
}

.nav-links a {
    color: var(--text-muted);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
    background: var(--bg-input);
}

.nav-search {
    margin-left: auto;
}

.nav-search form {
    display: flex;
    gap: 0.5rem;
}

.nav-search input {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-input);
    color: var(--text);
    width: 250px;
}

.nav-search button {
    padding: 0.4rem 1rem;
    border: none;
    border-radius: var(--radius);
    background: var(--accent);
    color: white;
    cursor: pointer;
}

.nav-search button:hover { background: var(--accent-hover); }

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius);
}

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* === Stats Grid === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-card.highlight {
    border-color: var(--accent);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* === Sections === */
.section {
    margin-bottom: 2.5rem;
}

.section h2 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

/* === Gems Grid === */
.gems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.gem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.gem-card:hover { transform: translateY(-2px); }

.gem-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.gem-score {
    font-size: 1.1rem;
    font-weight: 700;
}

.gem-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    word-break: break-word;
}

.gem-summary {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.gem-flags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
}

.gem-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

/* === Badges & Scores === */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--bg-input);
    color: var(--text-muted);
    text-transform: uppercase;
}

.score {
    display: inline-block;
    padding: 0.1rem 0.5rem;
    border-radius: 4px;
    font-weight: 700;
}

.score.high { background: var(--score-high); color: white; }
.score.medium { background: var(--score-medium); color: #1a1a1a; }
.score.low { background: var(--score-low); color: white; }

.flag-badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-size: 0.75rem;
    background: var(--bg-input);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.status-badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.analyzed { background: #06d6a0; color: #1a1a1a; }
.status-badge.extracted { background: #4ea8de; color: #1a1a1a; }
.status-badge.pending { background: var(--score-low); color: white; }

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    color: var(--accent);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    background: transparent;
    text-decoration: none;
}

.btn:hover {
    background: var(--accent);
    color: white;
}

.btn-sm { padding: 0.25rem 0.75rem; font-size: 0.85rem; }
.btn-secondary { border-color: var(--border); color: var(--text-muted); }
.btn-secondary:hover { background: var(--bg-input); color: var(--text); }

/* === Filters === */
.filters {
    margin-bottom: 1.5rem;
}

.filter-form {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-form select {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
}

.active-filter {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.75rem;
    background: var(--accent);
    color: white;
    border-radius: var(--radius);
    font-size: 0.85rem;
}

.active-filter a { color: white; font-weight: 700; }

/* === Table === */
.doc-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.doc-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    background: var(--bg-input);
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
}

.doc-table td {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.doc-table tr:hover td { background: var(--bg-input); }

.summary-cell {
    max-width: 400px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* === Pagination === */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.page-info { color: var(--text-muted); }

.browse-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1.5rem;
}

.result-count {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* === Document View === */
.doc-header {
    margin-bottom: 2rem;
}

.back-link {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.doc-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.score-display {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.doc-section {
    margin-bottom: 2rem;
}

.doc-section h2 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.summary-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    line-height: 1.7;
}

.flags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* === Entities === */
.entities-table-wrap { overflow-x: auto; }

.entities-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
}

.entities-table th {
    padding: 0.6rem 1rem;
    text-align: left;
    background: var(--bg-input);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.entities-table td {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.entity-type {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.entity-person { color: var(--entity-person); }
.entity-organization { color: var(--entity-organization); }
.entity-location { color: var(--entity-location); }

.entity-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: baseline;
}

.entity-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
}

.entity-tag:hover {
    background: var(--bg-input);
    border-color: var(--accent);
}

.entity-count { font-size: 0.7em; color: var(--text-muted); }

.entity-type-header { margin-bottom: 0.75rem; }

.entity-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.entity-card {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    transition: all 0.2s;
}

.entity-card:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.entity-count-badge {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-input);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

/* === Document Text === */
.doc-text {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.text-controls {
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.text-controls input {
    flex: 1;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    max-width: 400px;
}

#matchCount { font-size: 0.85rem; color: var(--text-muted); }

.doc-text pre {
    padding: 1.25rem;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    max-height: 80vh;
    overflow-y: auto;
}

mark {
    background: var(--accent);
    color: white;
    padding: 0.1rem 0.2rem;
    border-radius: 2px;
}

/* === Smart Search === */
.smart-search-info {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.search-explanation {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.search-terms {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.search-term-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.search-mode-toggle {
    margin-top: 0.5rem;
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* === Footer === */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

/* === Responsive === */
@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        padding: 0.5rem 1rem;
    }
    .nav-search { margin-left: 0; width: 100%; }
    .nav-search input { width: 100%; }
    .container { padding: 1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .gems-grid { grid-template-columns: 1fr; }
    .doc-table { font-size: 0.8rem; }
    .summary-cell { display: none; }
}