/**
 * Expense Ratio Calculator Styles
 * 
 * Samodzielny Inwestor - samodzielnyinwestor.pl
 * Created: January 5, 2026
 * 
 * Design: Matches FIRE calculator style with red/green color coding
 */

/* ==========================================================================
   Calculator Container
   ========================================================================== */

.expense-calculator {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.expense-calculator-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #e2e8f0;
}

.expense-calculator-header h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: #1e3a5f;
    margin: 0 0 0.5rem 0;
}

.expense-calculator-header p {
    color: #64748b;
    font-size: 1rem;
    margin: 0;
}

/* ==========================================================================
   Input Groups
   ========================================================================== */

.expense-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.expense-input-group {
    background: #ffffff;
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.expense-input-group:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.expense-input-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: #334155;
    font-size: 0.95rem;
}

.expense-input-group .input-with-unit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.expense-input-group .expense-number-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a5f;
    transition: border-color 0.2s ease;
}

.expense-input-group .expense-number-input:focus {
    outline: none;
    border-color: #f59e0b;
}

.expense-input-group .input-with-unit span {
    font-weight: 600;
    color: #64748b;
}

/* Range Slider Styling */
.expense-input-group input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #e2e8f0;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.expense-input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
    transition: all 0.2s ease;
}

.expense-input-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.6);
}

.expense-input-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
    transition: all 0.2s ease;
}

.expense-input-group input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.6);
}

.expense-input-hint {
    font-size: 0.85rem;
    color: #64748b;
    margin: 0.5rem 0 0 0;
    font-style: italic;
}

/* ==========================================================================
   Results Display
   ========================================================================== */

.expense-results {
    background: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.expense-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.expense-result-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.expense-result-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.expense-result-card.active-fund {
    border-color: #fca5a5;
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
}

.expense-result-card.passive-fund {
    border-color: #86efac;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.expense-result-card.difference {
    border-color: #fde047;
    background: linear-gradient(135deg, #fefce8 0%, #fef9c3 100%);
}

.result-label {
    font-size: 0.9rem;
    color: #64748b;
    margin: 0 0 0.5rem 0;
    font-weight: 500;
}

.result-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    color: #1e3a5f;
    line-height: 1.2;
}

.expense-result-card.active-fund .result-value {
    color: #dc2626;
}

.expense-result-card.passive-fund .result-value {
    color: #10b981;
}

.expense-result-card.difference .result-value {
    color: #f59e0b;
}

.result-hint {
    font-size: 0.8rem;
    color: #64748b;
    margin: 0.5rem 0 0 0;
    font-style: italic;
}

/* Cost to fund highlight */
.expense-cost-highlight {
    background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
    border: 2px solid #fb923c;
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1.5rem;
    text-align: center;
}

.expense-cost-highlight .result-label {
    font-size: 1rem;
    color: #1e3a5f;
    font-weight: 600;
}

.expense-cost-highlight .result-value {
    font-size: 1.5rem;
    color: #ea580c;
}

/* ==========================================================================
   Chart Container
   ========================================================================== */

.expense-chart-container {
    background: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.expense-chart-container h4 {
    font-family: 'Inter', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e3a5f;
    margin: 0 0 1.5rem 0;
    text-align: center;
}

.expense-chart-wrapper {
    position: relative;
    height: 400px;
    max-height: 60vh;
}

/* ==========================================================================
   Info Box
   ========================================================================== */

.expense-info-box {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-left: 4px solid #3b82f6;
    border-radius: 8px;
    padding: 1.25rem;
    margin-top: 2rem;
}

.expense-info-box h4 {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a5f;
    margin: 0 0 0.75rem 0;
}

.expense-info-box p {
    font-size: 0.95rem;
    color: #334155;
    margin: 0;
    line-height: 1.6;
}

.expense-info-box ul {
    margin: 0.5rem 0 0 1.5rem;
    padding: 0;
}

.expense-info-box li {
    font-size: 0.95rem;
    color: #334155;
    margin: 0.25rem 0;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .expense-calculator {
        padding: 1.5rem;
    }
    
    .expense-calculator-header h3 {
        font-size: 1.5rem;
    }
    
    .expense-inputs {
        grid-template-columns: 1fr;
    }
    
    .expense-results-grid {
        grid-template-columns: 1fr;
    }
    
    .expense-chart-wrapper {
        height: 300px;
    }
    
    .result-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .expense-calculator {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    .expense-calculator-header h3 {
        font-size: 1.25rem;
    }
    
    .expense-result-card {
        padding: 1rem;
    }
    
    .result-value {
        font-size: 1.25rem;
    }
}