/* //templates/css/calculators.css - Dark Theme */

.calculator-header { text-align: center; margin-bottom: 20px; }
.calculator-header h1 { font-size: 1.75rem; margin-bottom: 8px; color: #f3f4f6; }
.calculator-header p { font-size: 14px; color: #9ca3af; margin: 4px 0; }

.upgrade-notice { background: rgba(251, 191, 36, 0.15); color: #fbbf24; padding: 6px 12px; border-radius: 6px; display: inline-block; font-weight: 600; margin-top: 8px; font-size: 13px; border: 1px solid rgba(251, 191, 36, 0.3); }
.upgrade-notice a { color: #fbbf24; text-decoration: underline; }
.upgrade-notice a:hover { color: #fcd34d; }

.premium-notice { background: rgba(16, 185, 129, 0.15); color: #10b981; padding: 6px 12px; border-radius: 6px; display: inline-block; font-weight: 600; margin-top: 8px; font-size: 13px; border: 1px solid rgba(16, 185, 129, 0.3); }

.calculator-grid-three { display: grid; grid-template-columns: 300px 1fr 280px; gap: 20px; margin: 20px 0; }

.calculator-inputs,
.calculator-results,
.upgrade-cta-panel {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(229, 231, 235, 0.1);
    border-radius: 8px;
    padding: 20px;
}

.calculator-inputs h2,
.calculator-results h2,
.upgrade-cta-panel h2 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: #f3f4f6;
    font-weight: 600;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(229, 231, 235, 0.1);
}

.input-group { margin-bottom: 16px; }
.input-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    color: #d1d5db;
    font-size: 13px;
}
.input-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid rgba(229, 231, 235, 0.15);
    border-radius: 6px;
    font-size: 14px;
    color: #f3f4f6;
    background: rgba(0, 0, 0, 0.2);
    transition: all 0.2s;
}
.input-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    background: rgba(0, 0, 0, 0.3);
}
.input-group input[readonly] {
    background: rgba(0, 0, 0, 0.1);
    cursor: not-allowed;
    color: #9ca3af;
    border-color: rgba(229, 231, 235, 0.08);
}

.strike-display {
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(229, 231, 235, 0.15);
    border-radius: 6px;
    font-size: 14px;
    color: #f3f4f6;
    font-weight: 600;
}

.input-hint, .result-hint {
    display: block;
    font-size: 11px;
    color: #6b7280;
    margin-top: 4px;
}

.calculate-btn {
    width: 100%;
    padding: 12px;
    background: #10b981;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
}
.calculate-btn:hover {
    background: #059669;
    transform: translateY(-1px);
}

.result-card {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(229, 231, 235, 0.1);
    border-radius: 6px;
    padding: 14px;
    margin-bottom: 12px;
}
.result-card.highlight {
    border-color: #10b981;
    border-width: 2px;
    padding: 16px;
    background: rgba(16, 185, 129, 0.08);
}
.result-label {
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f3f4f6;
}

.greeks-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.greeks-grid .result-card { margin-bottom: 0; }
.greeks-grid .result-value { font-size: 1.1rem; }

.upgrade-cta-panel {
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.3);
}
.upgrade-cta-panel h2 {
    border-bottom-color: rgba(59, 130, 246, 0.2);
}
.upgrade-cta-panel .promo-text {
    font-size: 14px;
    color: #f87171;
    font-weight: 600;
    margin-bottom: 12px;
}
.upgrade-cta-panel ul {
    margin-bottom: 16px;
    padding-left: 0;
    list-style: none;
}
.upgrade-cta-panel li {
    margin-bottom: 8px;
    color: #d1d5db;
    font-size: 13px;
    padding-left: 20px;
    position: relative;
}
.upgrade-cta-panel li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.cta-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: #3b82f6;
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
}
.cta-btn:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

.validation-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 16px;
}
.validation-item {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(229, 231, 235, 0.1);
    border-radius: 6px;
    padding: 14px;
}
.validation-label {
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 4px;
}
.validation-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: #f3f4f6;
}
.validation-note {
    font-size: 12px;
    color: #9ca3af;
    margin-top: 8px;
}

.container { margin-left: 20px; }

.strike-input-hidden { display: none; }

/* Tablet: 2-column layout */
@media (min-width: 768px) and (max-width: 1100px) {
    .calculator-grid-three {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .calculator-inputs {
        grid-column: 1;
    }
    .calculator-results {
        grid-column: 2;
    }
    .upgrade-cta-panel {
        grid-column: 1 / -1;
    }
}

/* Mobile: single column */
@media (max-width: 767px) {
    .calculator-grid-three {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .greeks-grid {
        grid-template-columns: 1fr;
    }
}