/* ============================================
   SEO/GEO Citation Dashboard — Dark Theme
   Premium glassmorphism design system
   ============================================ */

/* === CSS Variables === */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-card-hover: rgba(30, 41, 59, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);

    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(99, 102, 241, 0.3);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    --accent-indigo: #6366f1;

    --gradient-purple: linear-gradient(135deg, #8b5cf6, #6366f1);
    --gradient-blue: linear-gradient(135deg, #3b82f6, #06b6d4);
    --gradient-emerald: linear-gradient(135deg, #10b981, #06b6d4);
    --gradient-amber: linear-gradient(135deg, #f59e0b, #f43f5e);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

/* === Reset & Base === */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.04) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* === Header === */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse-glow 3s infinite;
}

@keyframes pulse-glow {

    0%,
    100% {
        filter: brightness(1);
    }

    50% {
        filter: brightness(1.3);
    }
}

.logo h1 {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
    letter-spacing: 0.02em;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.granularity-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.granularity-toggle label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 600;
}

.granularity-toggle select {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.75rem;
    padding: 2px 4px;
    outline: none;
    cursor: pointer;
}

.date-range-picker {
    display: flex;
    gap: 12px;
    align-items: center;
    background: rgba(255, 255, 255, 0.04);
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.date-input-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.date-input-group label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.date-input-group input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.75rem;
    padding: 3px 6px;
    outline: none;
    font-family: inherit;
    transition: border-color 0.2s;
}

.date-input-group input:focus {
    border-color: var(--accent-cyan);
}

.date-input-group input::-webkit-calendar-picker-indicator {
    filter: invert(0.8) sepia(100%) saturate(1000%) hue-rotate(160deg);
    cursor: pointer;
}



.last-updated {
    font-size: 0.72rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* === KPI Cards === */
.kpi-section {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 24px 32px;
}

.kpi-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    cursor: default;
}

.kpi-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.kpi-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.6rem;
    flex-shrink: 0;
}

.kpi-icon-changes {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.1));
}

.kpi-icon-impact {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.1));
}

.kpi-icon-citations {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.1));
}

.kpi-content {
    display: flex;
    flex-direction: column;
}

.kpi-value-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.kpi-value {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.kpi-delta {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.kpi-delta.positive {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
}

.kpi-delta.negative {
    background: rgba(244, 63, 94, 0.15);
    color: var(--accent-rose);
}

.kpi-delta.neutral {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
}

.kpi-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

/* === Filters === */
.filters-section {
    position: relative;
    z-index: 10;
    padding: 0 32px 16px;
}

.filters-row {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 160px;
}

.filter-group label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-group select,
.filter-group input[type="text"] {
    padding: 10px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition-fast);
    min-width: 180px;
}

.filter-group select:focus,
.filter-group input[type="text"]:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.filter-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.filter-actions {
    min-width: auto;
    justify-content: flex-end;
}

/* Custom LLM Dropdown */
.llm-dropdown {
    position: relative;
    width: 100%;
    min-width: 180px;
}

.llm-dropdown-header {
    padding: 10px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.llm-dropdown-header:hover {
    border-color: rgba(99, 102, 241, 0.4);
}

.llm-dropdown-list {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    z-index: 100;
    max-height: 200px;
    overflow-y: auto;
    padding: 8px 0;
}

.llm-dropdown-list.hidden {
    display: none;
}

.llm-checkbox-item {
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.llm-checkbox-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.llm-checkbox-item input[type="checkbox"] {
    accent-color: var(--accent-indigo);
    width: 14px;
    height: 14px;
    cursor: pointer;
}

.llm-checkbox-item span {
    font-size: 0.8rem;
    color: var(--text-primary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 13px;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-switch input:checked+.toggle-slider {
    background: var(--accent-indigo);
    border-color: var(--accent-indigo);
}

.toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(21px);
    background: white;
}

/* === Buttons === */
.btn {
    padding: 10px 18px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    border-color: var(--border-glow);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-active,
.btn-active:hover {
    background: var(--accent-indigo);
    border-color: var(--accent-indigo);
    color: white;
}

.btn-reset {
    color: var(--accent-rose);
    border-color: rgba(244, 63, 94, 0.3);
}

.btn-reset:hover {
    background: rgba(244, 63, 94, 0.1);
    border-color: var(--accent-rose);
    color: var(--accent-rose);
}

/* === Chart Sections === */
.chart-section {
    position: relative;
    z-index: 1;
    padding: 12px 32px;
}

.chart-section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.chart-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.chart-card-full {
    width: 100%;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.chart-header h2 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-controls {
    display: flex;
    gap: 8px;
}

.chart-description {
    margin-bottom: 16px;
}

/* Trend URL Search */
.trend-url-search-wrapper {
    position: relative;
    margin-bottom: 10px;
}

.trend-url-search-wrapper input {
    width: 100%;
    padding: 10px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition-fast);
}

.trend-url-search-wrapper input:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.trend-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 240px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    z-index: 50;
    box-shadow: var(--shadow-md);
}

.trend-suggestions.hidden {
    display: none;
}

.trend-suggestion-item {
    padding: 10px 16px;
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: var(--transition-fast);
}

.trend-suggestion-item:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

.trend-suggestion-item .suggestion-url {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.trend-selected-urls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.trend-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    font-size: 0.78rem;
    color: var(--accent-indigo);
    font-weight: 500;
}

.trend-tag .remove-tag {
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    opacity: 0.7;
    transition: opacity 0.15s;
}

.trend-tag .remove-tag:hover {
    opacity: 1;
}

.marker-legend {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.marker-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 4px;
}

.marker-sss {
    background: var(--accent-emerald);
}

.marker-icerik {
    background: var(--accent-blue);
}

.marker-both {
    background: var(--accent-purple);
}

.marker-info {
    font-style: italic;
    color: var(--text-muted);
    font-size: 0.72rem;
}

/* Before/After search */
.chart-search-input {
    padding: 6px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.82rem;
    outline: none;
    min-width: 200px;
    transition: var(--transition-fast);
}

.chart-search-input:focus {
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.chart-container {
    position: relative;
    width: 100%;
    height: 320px;
}

.chart-container-large {
    height: 420px;
}

/* === Table === */
.table-section {
    position: relative;
    z-index: 1;
    padding: 12px 32px 32px;
}

.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(10px);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.table-header h2 {
    font-size: 1.05rem;
    font-weight: 600;
}

.table-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.table-count {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

thead th {
    text-align: left;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

th.sortable {
    cursor: pointer;
    transition: var(--transition-fast);
    user-select: none;
}

th.sortable:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.sort-icon {
    display: inline-block;
    margin-left: 4px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
    transition: color 0.2s, transform 0.2s;
}

th.sortable.active .sort-icon {
    color: var(--text-primary);
}

tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    vertical-align: middle;
}

tbody tr {
    transition: var(--transition-fast);
}

tbody tr:hover {
    background: var(--bg-glass-hover);
}

tbody tr:hover td {
    color: var(--text-primary);
}

/* Badge styles */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-sss {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-icerik {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-both {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-unknown {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
    border: 1px solid rgba(100, 116, 139, 0.3);
}

/* Impact indicator */
.impact-positive {
    color: var(--accent-emerald);
    font-weight: 700;
}

.impact-negative {
    color: var(--accent-rose);
    font-weight: 700;
}

.impact-neutral {
    color: var(--text-muted);
    font-weight: 600;
}

/* Mini sparkline in table */
.sparkline-cell {
    min-width: 100px;
}

.sparkline-cell canvas {
    max-height: 30px;
}

/* === Footer === */
.footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 24px 32px;
    color: var(--text-muted);
    font-size: 0.78rem;
    border-top: 1px solid var(--border-color);
}

/* === Loading state === */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-indigo);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.kpi-card,
.chart-card,
.table-card {
    animation: fadeInUp 0.6s ease forwards;
}

.kpi-card:nth-child(1) {
    animation-delay: 0.1s;
}

.kpi-card:nth-child(2) {
    animation-delay: 0.2s;
}

.kpi-card:nth-child(3) {
    animation-delay: 0.3s;
}

/* === Responsive === */
@media (max-width: 1200px) {
    .chart-section-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .kpi-section {
        grid-template-columns: repeat(2, 1fr);
    }

    .header {
        flex-direction: column;
        gap: 12px;
        padding: 16px 20px;
    }

    .filters-row {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group select,
    .filter-group input[type="text"] {
        min-width: 100%;
    }

    .chart-section,
    .kpi-section,
    .table-section,
    .filters-section {
        padding-left: 16px;
        padding-right: 16px;
    }
}

@media (max-width: 600px) {
    .kpi-section {
        grid-template-columns: 1fr;
    }

    .chart-container {
        height: 250px;
    }

    .chart-container-large {
        height: 300px;
    }
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}