/* Option Analysis Dashboard - Dark Theme */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #1c2128;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-yellow: #d29922;
    --accent-blue: #58a6ff;
    --accent-purple: #a371f7;
}

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

/* Header Bar */
.header-bar {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 20px;
    margin-bottom: 16px;
}

.header-bar h4 {
    color: var(--text-primary);
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 17, 23, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    color: var(--text-primary);
}

.loading-overlay.active {
    display: flex;
}

/* Analysis Cards */
.analysis-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    height: 100%;
}

.card-header-custom {
    background: var(--bg-secondary);
    padding: 10px 16px;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.card-header-custom i {
    margin-right: 8px;
}

.card-header-custom.bg-strategy {
    background: linear-gradient(135deg, #1a472a 0%, #0d1117 100%);
    color: var(--accent-green);
}

.card-body {
    padding: 16px;
}

/* Regime Badge */
.regime-badge {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    background: var(--bg-secondary);
}

.regime-badge.range {
    background: linear-gradient(135deg, rgba(63, 185, 80, 0.2) 0%, rgba(63, 185, 80, 0.05) 100%);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.regime-badge.expansion {
    background: linear-gradient(135deg, rgba(248, 81, 73, 0.2) 0%, rgba(248, 81, 73, 0.05) 100%);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

.regime-badge.trend {
    background: linear-gradient(135deg, rgba(210, 153, 34, 0.2) 0%, rgba(210, 153, 34, 0.05) 100%);
    color: var(--accent-yellow);
    border: 1px solid var(--accent-yellow);
}

/* Metric Rows */
.metric-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
}

.metric-row:last-child {
    border-bottom: none;
}

.metric-row.highlight {
    background: rgba(88, 166, 255, 0.1);
    margin: 8px -16px;
    padding: 8px 16px;
    border-radius: 4px;
}

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

.metric-value {
    font-weight: 600;
    font-size: 0.9rem;
}

/* Checklist */
.checklist {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.check-item {
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.check-item i {
    margin-right: 8px;
    font-size: 0.6rem;
}

.check-item.pass {
    color: var(--accent-green);
}

.check-item.pass i {
    color: var(--accent-green);
}

.check-item.fail {
    color: var(--accent-red);
}

.check-item.fail i {
    color: var(--accent-red);
}

/* Volatility Recommendation */
.vol-recommendation {
    font-size: 1.2rem;
    font-weight: 700;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.vol-recommendation.sell {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.vol-recommendation.buy {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

.vol-recommendation.neutral {
    background: rgba(139, 148, 158, 0.15);
    color: var(--text-secondary);
    border: 1px solid var(--text-secondary);
}

/* Alert Box */
.alert-box {
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* Straddle */
.straddle-price {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    color: var(--accent-blue);
}

.straddle-regime {
    text-align: center;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    margin-bottom: 16px;
    background: var(--bg-secondary);
}

.straddle-regime.theta {
    color: var(--accent-green);
}

.straddle-regime.gamma {
    color: var(--accent-red);
}

/* Skew */
.skew-direction {
    font-size: 1.2rem;
    font-weight: 700;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 16px;
    background: var(--bg-secondary);
}

.skew-direction.put-skew {
    color: var(--accent-red);
    border-left: 4px solid var(--accent-red);
}

.skew-direction.call-skew {
    color: var(--accent-green);
    border-left: 4px solid var(--accent-green);
}

.skew-direction.neutral {
    color: var(--text-secondary);
    border-left: 4px solid var(--text-secondary);
}

/* Fear Meter */
.fear-meter {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.fear-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.fear-bar-container {
    height: 8px;
    background: linear-gradient(to right, var(--accent-green), var(--accent-yellow), var(--accent-red));
    border-radius: 4px;
    position: relative;
    margin-bottom: 6px;
}

.fear-bar {
    position: absolute;
    top: -4px;
    width: 4px;
    height: 16px;
    background: white;
    border-radius: 2px;
    left: 50%;
    transition: left 0.3s ease;
}

.fear-value {
    font-weight: 600;
    font-size: 1.1rem;
}

/* Skew Table */
.skew-table {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.skew-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    background: var(--bg-secondary);
    padding: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

.skew-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 6px 8px;
    text-align: center;
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}

.skew-row.atm-row {
    background: rgba(88, 166, 255, 0.1);
}

/* Term Structure */
.term-structure-badge {
    font-size: 1.2rem;
    font-weight: 700;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.term-structure-badge.contango {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
}

.term-structure-badge.backwardation {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
}

.stress-indicator {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.term-comparison {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 16px;
}

.term-item {
    text-align: center;
    flex: 1;
}

.term-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.term-expiry {
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.term-straddle {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.term-arrow {
    color: var(--text-secondary);
    padding: 0 16px;
}

/* Strategy Card */
.strategy-card {
    border: 2px solid var(--accent-green);
}

.strategy-name {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--accent-green);
    margin-bottom: 8px;
}

.strategy-alternative {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.strategy-confidence {
    text-align: center;
    color: var(--accent-blue);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.strategy-reasons {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.strategy-reason {
    padding: 4px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.strategy-reason i {
    margin-right: 8px;
    color: var(--accent-green);
}

/* Risk Checks */
.risk-checks {
    display: grid;
    gap: 8px;
}

.risk-check {
    padding: 10px 12px;
    background: var(--bg-secondary);
    border-radius: 4px;
    font-size: 0.85rem;
}

.risk-check i {
    margin-right: 8px;
    font-size: 0.7rem;
}

.risk-check.pass {
    border-left: 3px solid var(--accent-green);
}

.risk-check.pass i {
    color: var(--accent-green);
}

.risk-check.fail {
    border-left: 3px solid var(--accent-red);
}

.risk-check.fail i {
    color: var(--accent-red);
}

.risk-check.warning {
    border-left: 3px solid var(--accent-yellow);
}

.risk-check.warning i {
    color: var(--accent-yellow);
}

/* Warnings */
.warnings-list {
    max-height: 200px;
    overflow-y: auto;
}

.warning-item {
    padding: 10px 12px;
    background: rgba(248, 81, 73, 0.1);
    border-left: 3px solid var(--accent-red);
    border-radius: 4px;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.warning-item i {
    margin-right: 8px;
    color: var(--accent-red);
}

.no-warnings {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
}

/* Golden Rule */
.golden-rule {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 2px solid var(--accent-yellow);
    border-radius: 8px;
    padding: 16px 24px;
}

.golden-rule-icon {
    font-size: 2rem;
    color: var(--accent-yellow);
    margin-right: 20px;
}

.golden-rule-text {
    flex: 1;
    font-size: 0.95rem;
}

.golden-rule-status {
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 4px;
}

.golden-rule-status.met {
    background: rgba(63, 185, 80, 0.2);
    color: var(--accent-green);
}

.golden-rule-status.not-met {
    background: rgba(248, 81, 73, 0.2);
    color: var(--accent-red);
}

/* Responsive */
@media (max-width: 768px) {
    .header-bar .row {
        flex-direction: column;
        gap: 10px;
        text-align: center !important;
    }
    
    .golden-rule {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .golden-rule-icon {
        margin-right: 0;
    }
}