/* Tankrich Premium Black & White Theme */

:root {
    /* Colors - Black & White with Green Accent */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #1a1a1a;
    --bg-hover: #262626;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #707070;
    
    --accent-primary: #2ecc71;  /* Tankrich green from logo */
    --accent-success: #27ae60;
    --accent-warning: #f39c12;
    --accent-danger: #e74c3c;
    
    --border-color: #333333;
    --border-light: #404040;
    
    /* Typography */
    --font-display: 'Georgia', 'Times New Roman', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Courier New', monospace;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(46, 204, 113, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(46, 204, 113, 0.03) 0%, transparent 50%);
}

.dashboard {
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 20px rgba(46, 204, 113, 0.3);
}

.logo-text h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    margin: 0;
}

.logo .accent {
    color: var(--accent-primary);
}

.tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.upload-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-success));
    color: #000000;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(46, 204, 113, 0.3);
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.5);
}

.file-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Company Header */
.company-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
}

.company-header .company-info h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

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

.key-metrics {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.metric-card {
    display: flex;
    flex-direction: column;
}

.metric-card .label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-card .value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    gap: 1rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px rgba(46, 204, 113, 0.3);
}

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

/* Main Content */
.main-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
    flex-wrap: wrap;
}

.tab {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background: linear-gradient(180deg, transparent, rgba(46, 204, 113, 0.05));
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.action-btn svg {
    opacity: 0.7;
}

/* Tab Panels */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(46, 204, 113, 0.1);
}

.card:hover::before {
    opacity: 1;
}

.card h3 {
    font-size: 1rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Overview Grid */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Quality Score Card */
.quality-card {
    grid-column: span 1;
}

.quality-score {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.score-circle {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.score-circle #qualityScore {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-mono);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-max {
    font-size: 1.25rem;
    color: var(--text-muted);
}

.rating {
    font-size: 1.25rem;
    font-weight: 600;
}

.rating.excellent { color: var(--accent-success); }
.rating.high { color: #66bb6a; }
.rating.above-avg { color: #ffa726; }
.rating.average { color: var(--accent-warning); }
.rating.low { color: var(--accent-danger); }

.quality-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.dimension {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dimension-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.dimension-score {
    font-family: var(--font-mono);
    font-weight: 600;
}

/* Red Flags */
.flags-count {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.flags-count .count {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.flags-count.clean .count { color: var(--accent-success); }
.flags-count.caution .count { color: var(--accent-warning); }
.flags-count.danger .count { color: var(--accent-danger); }

.flags-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.flag-item {
    display: flex;
    align-items: start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 6px;
    border-left: 3px solid var(--accent-danger);
}

.flag-icon {
    font-size: 1.25rem;
}

.flag-content {
    flex: 1;
}

.flag-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.flag-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.metric-value.positive { color: var(--accent-success); }
.metric-value.negative { color: var(--accent-danger); }

/* Financial Tables */
.statement-section {
    margin-bottom: 2.5rem;
}

.table-wrapper {
    overflow-x: auto;
    margin-top: 1rem;
}

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

.financial-table th,
.financial-table td {
    padding: 0.75rem;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

.financial-table th:first-child,
.financial-table td:first-child {
    text-align: left;
    font-weight: 600;
    position: sticky;
    left: 0;
    background: var(--bg-card);
    border-right: 2px solid var(--border-color);
}

.financial-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--accent-primary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.financial-table tbody tr {
    transition: background 0.2s ease;
}

.financial-table tbody tr:hover {
    background: var(--bg-hover);
    border-left: 2px solid var(--accent-primary);
}

.financial-table .category-row {
    background: var(--bg-secondary);
    font-weight: 600;
}

.financial-table .total-row {
    font-weight: 700;
    border-top: 2px solid var(--border-color);
}

/* Analysis Grid */
.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.full-width {
    grid-column: 1 / -1;
}

/* DuPont */
.dupont-breakdown {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dupont-factor {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 6px;
}

.factor-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.factor-value {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
}

/* Frameworks */
.frameworks-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 1.5rem;
}

.framework-card {
    min-height: 300px;
}

.framework-card.full-width {
    grid-column: 1 / -1;
}

/* Quarterly Analysis */
.quarterly-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.quarterly-insights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Comparison Mode */
.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.comparison-header h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
}

#comparisonContent {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.company-comparison-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.company-comparison-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.comparison-metrics {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.comparison-metric {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-radius: 4px;
}

.comparison-metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.comparison-metric-value {
    font-family: var(--font-mono);
    font-weight: 600;
}

/* Earning Power Box */
.epb-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
    min-height: 250px;
}

.epb-quadrant {
    padding: 1.5rem;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 2px solid var(--border-color);
}

.epb-quadrant.current {
    border-color: var(--accent-primary);
    background: rgba(79, 195, 247, 0.1);
}

.epb-quadrant-title {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.epb-quadrant-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.epb-quadrant.star {
    background: rgba(38, 194, 129, 0.1);
    border-color: var(--accent-success);
}

.epb-quadrant.investigate {
    background: rgba(244, 167, 66, 0.1);
    border-color: var(--accent-warning);
}

.epb-quadrant.cashcow {
    background: rgba(79, 195, 247, 0.1);
    border-color: var(--accent-primary);
}

.epb-quadrant.redflag {
    background: rgba(239, 83, 80, 0.1);
    border-color: var(--accent-danger);
}

/* CAP Chart */
.cap-chart-container {
    position: relative;
    height: 300px;
    margin: 1.5rem 0;
}

/* Print Styles */
@media print {
    .header,
    .tabs,
    .action-buttons,
    .welcome-screen {
        display: none !important;
    }
    
    .tab-panel {
        display: block !important;
        page-break-inside: avoid;
    }
    
    .card {
        page-break-inside: avoid;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* Moat Indicators */
.moat-indicators {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.indicator {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 6px;
}

.indicator-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.indicator-status.pass { color: var(--accent-success); }
.indicator-status.fail { color: var(--text-muted); }

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 1.5rem;
}

.chart-card {
    min-height: 350px;
}

.chart-card canvas {
    max-height: 300px;
}

/* Welcome Screen */
.welcome-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
    padding: 2rem;
    background: radial-gradient(ellipse at center, rgba(46, 204, 113, 0.05) 0%, transparent 70%);
}

.welcome-content {
    text-align: center;
    max-width: 600px;
}

.welcome-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 20px rgba(46, 204, 113, 0.3));
}

.welcome-content h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-content > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
    text-align: left;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-card);
    border-radius: 6px;
}

.feature .icon {
    color: var(--accent-success);
    font-weight: 700;
}

.upload-btn-large {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-success));
    color: #000000;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(46, 204, 113, 0.4);
    border: none;
}

.upload-btn-large:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(46, 204, 113, 0.6);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .overview-grid,
    .charts-grid,
    .frameworks-container {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}