/* Dark mode overrides */
[data-theme="dark"] {
    --tool-bg: #0f172a;
    --tool-border: #334155;
    --tool-border-hover: #475569;
    --tool-text: #f8fafc;
    --tool-text-secondary: #94a3b8;
    --tool-input-bg: #1e293b;
    --tool-input-border: #334155;
    --tool-button-bg: #1e293b;
    --tool-button-hover: #334155;
    --tool-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --tool-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --surface-color: #1e293b;
    --surface-hover: #334155;
    --background-color: #0f172a;
    --text-color: #f8fafc;
    --status-info: rgba(96, 165, 250, 0.2);
    --status-success: rgba(34, 197, 94, 0.2);
    --status-error: rgba(248, 113, 113, 0.2);
    --bg-color: #0f172a;
}

/* Dark mode element overrides */
[data-theme="dark"] .tool-card {
    background: var(--bg-card, #1e293b);
    border-color: var(--border-color, #334155);
}

[data-theme="dark"] .tool-hero {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--input-bg, #1e293b);
    color: var(--text-primary, #f8fafc);
    border-color: var(--border-color, #334155);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted, #64748b);
}

[data-theme="dark"] .tab-btn.active {
    color: white;
}

[data-theme="dark"] label {
    color: var(--text-primary, #f8fafc);
}

[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: var(--text-primary, #f8fafc);
}

[data-theme="dark"] p {
    color: var(--text-secondary, #cbd5e1);
}

/* Dark mode text color fixes */
[data-theme="dark"] .input-prefix,
[data-theme="dark"] .input-suffix,
[data-theme="dark"] .input-icon {
    color: #94a3b8;
}

        /* Loan EMI Calculator Styles */
        .calculator-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }
        
        .calculator-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .calculator-header h1 {
            font-size: 2.5rem;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }
        
        .calculator-header p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }
        
        .calculator-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        .input-section {
            background: var(--bg-primary);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        
        .results-section {
            background: var(--bg-primary);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-label {
            display: block;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }
        
        .form-input {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        
        .form-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
        }
        
        .input-group {
            position: relative;
        }
        
        .input-prefix {
            position: absolute;
            left: 0.75rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-weight: 500;
        }
        
        .input-suffix {
            position: absolute;
            right: 0.75rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-weight: 500;
        }
        
        .form-input.has-prefix {
            padding-left: 2.5rem;
        }
        
        .form-input.has-suffix {
            padding-right: 3rem;
        }
        
        .calculate-btn {
            width: 100%;
            background: #3182ce;
            color: var(--bg-primary);
            border: none;
            padding: 1rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        
        .calculate-btn:hover {
            background: #2c5aa0;
        }
        
        .results-summary {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        
        .result-card {
            background: var(--bg-secondary);
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
        }
        
        .result-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }
        
        .result-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-secondary);
        }
        
        .result-value.primary {
            color: var(--primary-color);
        }
        
        .result-value.success {
            color: var(--text-success);
        }
        
        .result-value.warning {
            color: #d69e2e;
        }
        
        .chart-container {
            margin: 2rem 0;
            height: 300px;
            background: var(--bg-secondary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        
        .amortization-section {
            background: var(--bg-primary);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            margin-top: 2rem;
        }
        
        .amortization-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 1rem;
        }
        
        .amortization-table th,
        .amortization-table td {
            padding: 0.75rem;
            text-align: right;
            border-bottom: 1px solid var(--border-color);
        }
        
        .amortization-table th {
            background: var(--bg-secondary);
            font-weight: 600;
            color: var(--text-secondary);
        }
        
        .amortization-table tbody tr:hover {
            background: var(--bg-secondary);
        }
        
        .export-buttons {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }
        
        .export-btn {
            padding: 0.5rem 1rem;
            border: 2px solid #3182ce;
            background: transparent;
            color: var(--primary-color);
            border-radius: 6px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .export-btn:hover {
            background: #3182ce;
            color: var(--bg-primary);
        }
        
        .comparison-section {
            background: var(--bg-primary);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            margin-top: 2rem;
        }
        
        .loan-comparison {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin-top: 1rem;
        }
        
        .comparison-card {
            border: 2px solid var(--border-color);
            border-radius: 8px;
            padding: 1.5rem;
            position: relative;
        }
        
        .comparison-card.best {
            border-color: var(--text-success);
            background: var(--color-green-soft);
        }
        
        .best-badge {
            position: absolute;
            top: -10px;
            right: 1rem;
            background: #38a169;
            color: var(--bg-primary);
            padding: 0.25rem 0.75rem;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        
        @media (max-width: 768px) {
            .calculator-grid {
                grid-template-columns: 1fr;
            }
            
            .results-summary {
                grid-template-columns: 1fr;
            }
            
            .calculator-container {
                padding: 1rem;
            }
            
            .export-buttons {
                flex-direction: column;
            }
        }
        
        .info-section {
            background: var(--bg-primary);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            margin-top: 2rem;
        }
        
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 1rem;
        }
        
        .info-card {
            text-align: center;
            padding: 1.5rem;
        }
        
        .info-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        .info-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
        }
        
        .amortization-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }
        
        .amortization-scroll {
            max-height: 400px;
            overflow-y: auto;
        }