/* =========================================
   LOAN CALCULATOR CSS
   ========================================= */

:root {
    --loan-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --loan-gradient-2: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --loan-gradient-3: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --loan-bg-dark: #0f172a;
    --loan-bg-card: #1e293b;
    --loan-bg-input: #0f172a;
    --loan-border: #334155;
    --loan-border-light: #475569;
    --loan-white: #ffffff;
    --loan-gray: #cbd5e1;
    --loan-muted: #94a3b8;
    --loan-success: #22c55e;
    --loan-warning: #eab308;
    --loan-danger: #ef4444;
    --loan-purple: #a855f7;
    --loan-blue: #3b82f6;
    --loan-cyan: #06b6d4;
    --loan-green: #10b981;
}

.loan-calc-wrapper {
    background: linear-gradient(to bottom, var(--loan-bg-dark), var(--loan-bg-card));
    padding: 3rem 1.5rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--loan-white);
    line-height: 1.6;
    min-height: 100vh;
}

.loan-calc-wrapper * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.loan-calc-container {
    max-width: 1100px;
    margin: 0 auto;
}

/* Header */
.loan-calc-wrapper .calc-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.loan-calc-wrapper .calc-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--loan-white);
    margin-bottom: 1rem;
}

.loan-calc-wrapper .calc-description {
    font-size: 1.1rem;
    color: var(--loan-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* Card */
.loan-calc-wrapper .calc-card {
    background: var(--loan-bg-card);
    border: 1px solid var(--loan-border);
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Loan Tabs */
.loan-calc-wrapper .loan-tabs {
    display: flex;
    gap: 0.5rem;
    background: var(--loan-bg-input);
    padding: 0.5rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
    overflow-x: auto;
}

.loan-calc-wrapper .loan-tab {
    flex: 1;
    padding: 0.875rem 1rem;
    border: none;
    border-radius: 0.75rem;
    background: transparent;
    color: var(--loan-muted);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.loan-calc-wrapper .loan-tab:hover {
    color: var(--loan-white);
}

.loan-calc-wrapper .loan-tab.active {
    background: var(--loan-gradient);
    color: var(--loan-white);
}

/* Form */
.loan-calc-wrapper .loan-form {
    margin-bottom: 2rem;
}

.loan-calc-wrapper .form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.loan-calc-wrapper .form-row:last-child {
    margin-bottom: 0;
}

.loan-calc-wrapper .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.loan-calc-wrapper .form-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--loan-gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.loan-calc-wrapper .form-label i {
    color: var(--loan-purple);
}

.loan-calc-wrapper .input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.loan-calc-wrapper .input-prefix {
    position: absolute;
    left: 1rem;
    color: var(--loan-muted);
    font-size: 1rem;
    font-weight: 600;
}

.loan-calc-wrapper .input-suffix {
    position: absolute;
    right: 1rem;
    color: var(--loan-muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.loan-calc-wrapper .form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1px solid var(--loan-border-light);
    border-radius: 0.75rem;
    background: var(--loan-bg-input);
    color: var(--loan-white);
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.loan-calc-wrapper .form-input.has-prefix {
    padding-left: 2.5rem;
}

.loan-calc-wrapper .form-input.has-suffix {
    padding-right: 2.5rem;
}

.loan-calc-wrapper .input-wrapper .form-input {
    padding-left: 2.5rem;
}

.loan-calc-wrapper .form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102,126,234,0.15);
}

.loan-calc-wrapper .form-select {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1px solid var(--loan-border-light);
    border-radius: 0.75rem;
    background: var(--loan-bg-input);
    color: var(--loan-white);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.loan-calc-wrapper .form-select:focus {
    outline: none;
    border-color: #667eea;
}

.loan-calc-wrapper .form-select option {
    background: var(--loan-bg-card);
    color: var(--loan-white);
}

.loan-calc-wrapper .input-row-inner {
    display: flex;
    gap: 0.75rem;
}

.loan-calc-wrapper .input-row-inner .input-wrapper {
    flex: 1;
}

.loan-calc-wrapper .input-row-inner .form-select {
    width: 140px;
}

/* Buttons */
.loan-calc-wrapper .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.loan-calc-wrapper .btn-primary {
    background: var(--loan-gradient);
    color: var(--loan-white);
}

.loan-calc-wrapper .btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102,126,234,0.4);
}

.loan-calc-wrapper .btn-secondary {
    background: var(--loan-border);
    color: var(--loan-white);
}

.loan-calc-wrapper .btn-secondary:hover {
    background: var(--loan-border-light);
}

.loan-calc-wrapper .btn-sm {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
}

.loan-calc-wrapper .controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.loan-calc-wrapper .controls .btn {
    flex: 1;
    min-width: 150px;
}

/* Error Box */
.loan-calc-wrapper .error-box {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.5);
    border-radius: 0.75rem;
    color: #f87171;
    margin-top: 1.5rem;
}

.loan-calc-wrapper .error-box.show {
    display: flex;
}

/* Result Section */
.loan-calc-wrapper .result-section {
    display: none;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--loan-border);
}

.loan-calc-wrapper .result-section.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Main Results */
.loan-calc-wrapper .loan-main-result {
    margin-bottom: 2rem;
}

.loan-calc-wrapper .result-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--loan-white);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.loan-calc-wrapper .result-title i {
    color: var(--loan-purple);
}

.loan-calc-wrapper .result-display {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.loan-calc-wrapper .result-box {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--loan-bg-input);
    border-radius: 1rem;
    border: 1px solid var(--loan-border);
}

.loan-calc-wrapper .result-box.primary {
    background: var(--loan-gradient);
    border: none;
}

.loan-calc-wrapper .result-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: rgba(255,255,255,0.15);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--loan-white);
}

.loan-calc-wrapper .result-box:not(.primary) .result-icon {
    background: var(--loan-gradient);
}

.loan-calc-wrapper .result-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.loan-calc-wrapper .result-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 0.25rem;
}

.loan-calc-wrapper .result-box:not(.primary) .result-label {
    color: var(--loan-muted);
}

.loan-calc-wrapper .result-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--loan-white);
}

/* Section Title */
.loan-calc-wrapper .section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--loan-white);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.loan-calc-wrapper .section-title i {
    color: var(--loan-purple);
}

/* Extra Savings */
.loan-calc-wrapper .extra-savings {
    background: var(--loan-bg-input);
    border: 1px solid var(--loan-border);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.loan-calc-wrapper .savings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.loan-calc-wrapper .savings-box {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--loan-gradient-2);
    border-radius: 0.75rem;
    text-align: center;
    flex-direction: column;
    align-items: center;
}

.loan-calc-wrapper .savings-icon {
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--loan-white);
}

.loan-calc-wrapper .savings-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--loan-white);
}

.loan-calc-wrapper .savings-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.9);
}

/* Payment Breakdown Chart */
.loan-calc-wrapper .payment-breakdown {
    margin-bottom: 2rem;
}

.loan-calc-wrapper .breakdown-container {
    display: flex;
    gap: 3rem;
    align-items: center;
    padding: 2rem;
    background: var(--loan-bg-input);
    border-radius: 1rem;
    border: 1px solid var(--loan-border);
}

.loan-calc-wrapper .pie-chart {
    width: 220px;
    min-width: 220px;
}

.loan-calc-wrapper .pie-chart-inner {
    position: relative;
}

.loan-calc-wrapper .circular-chart {
    display: block;
    width: 100%;
}

.loan-calc-wrapper .circle-bg {
    fill: none;
    stroke: var(--loan-border);
    stroke-width: 3.5;
}

.loan-calc-wrapper .circle-principal {
    fill: none;
    stroke: var(--loan-green);
    stroke-width: 3.5;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
    transition: stroke-dasharray 0.5s ease;
}

.loan-calc-wrapper .circle-interest {
    fill: none;
    stroke: var(--loan-danger);
    stroke-width: 3.5;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
    transition: stroke-dasharray 0.5s ease;
}

.loan-calc-wrapper .pie-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.loan-calc-wrapper .pie-total {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--loan-white);
}

.loan-calc-wrapper .pie-label {
    font-size: 0.8rem;
    color: var(--loan-muted);
}

.loan-calc-wrapper .breakdown-legend {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.loan-calc-wrapper .legend-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.loan-calc-wrapper .legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
}

.loan-calc-wrapper .legend-color.principal {
    background: var(--loan-green);
}

.loan-calc-wrapper .legend-color.interest {
    background: var(--loan-danger);
}

.loan-calc-wrapper .legend-text {
    flex: 1;
    font-size: 1rem;
    color: var(--loan-gray);
}

.loan-calc-wrapper .legend-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--loan-white);
    min-width: 120px;
    text-align: right;
}

.loan-calc-wrapper .legend-percent {
    font-size: 0.9rem;
    color: var(--loan-muted);
    min-width: 50px;
    text-align: right;
}

/* Tables */
.loan-calc-wrapper .summary-table-wrapper,
.loan-calc-wrapper .schedule-table-wrapper {
    overflow-x: auto;
    border-radius: 0.75rem;
    border: 1px solid var(--loan-border);
}

.loan-calc-wrapper .summary-table,
.loan-calc-wrapper .schedule-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.loan-calc-wrapper .summary-table th,
.loan-calc-wrapper .schedule-table th {
    padding: 1rem;
    text-align: left;
    background: var(--loan-bg-input);
    color: var(--loan-gray);
    font-weight: 600;
    border-bottom: 1px solid var(--loan-border);
    white-space: nowrap;
}

.loan-calc-wrapper .summary-table td,
.loan-calc-wrapper .schedule-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--loan-border);
    color: var(--loan-white);
}

.loan-calc-wrapper .summary-table tbody tr:hover,
.loan-calc-wrapper .schedule-table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

.loan-calc-wrapper .summary-table tbody tr:last-child td,
.loan-calc-wrapper .schedule-table tbody tr:last-child td {
    border-bottom: none;
}

/* Yearly Summary */
.loan-calc-wrapper .yearly-summary {
    margin-bottom: 2rem;
}

/* Amortization Schedule */
.loan-calc-wrapper .amortization-schedule {
    margin-bottom: 1rem;
}

.loan-calc-wrapper .schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.loan-calc-wrapper .schedule-header .section-title {
    margin-bottom: 0;
}

.loan-calc-wrapper .btn-toggle-schedule {
    background: var(--loan-border);
}

.loan-calc-wrapper .schedule-table-wrapper {
    max-height: 400px;
    overflow-y: auto;
}

.loan-calc-wrapper .schedule-table-wrapper.expanded {
    max-height: none;
}

/* Info Cards */
.loan-calc-wrapper .info-card {
    background: var(--loan-bg-card);
    border: 1px solid var(--loan-border);
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.loan-calc-wrapper .info-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--loan-white);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.loan-calc-wrapper .info-title i {
    color: var(--loan-purple);
}

/* Loan Types Grid */
.loan-calc-wrapper .loan-types-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.loan-calc-wrapper .loan-type-box {
    padding: 1.5rem;
    background: var(--loan-bg-input);
    border: 1px solid var(--loan-border);
    border-radius: 1rem;
    text-align: center;
    transition: all 0.3s ease;
}

.loan-calc-wrapper .loan-type-box:hover {
    border-color: var(--loan-purple);
    transform: translateY(-4px);
}

.loan-calc-wrapper .loan-type-icon {
    width: 60px;
    height: 60px;
    background: var(--loan-gradient);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--loan-white);
    margin: 0 auto 1rem;
}

.loan-calc-wrapper .loan-type-box h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--loan-white);
    margin-bottom: 0.5rem;
}

.loan-calc-wrapper .loan-type-box p {
    font-size: 0.85rem;
    color: var(--loan-muted);
    line-height: 1.5;
}

/* Tips Grid */
.loan-calc-wrapper .tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.loan-calc-wrapper .tip-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--loan-bg-input);
    border-radius: 1rem;
    border: 1px solid var(--loan-border);
}

.loan-calc-wrapper .tip-number {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--loan-gradient);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--loan-white);
}

.loan-calc-wrapper .tip-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--loan-white);
    margin-bottom: 0.25rem;
}

.loan-calc-wrapper .tip-content p {
    font-size: 0.9rem;
    color: var(--loan-muted);
}

/* Steps */
.loan-calc-wrapper .steps-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.loan-calc-wrapper .step-item {
    display: flex;
    gap: 1rem;
}

.loan-calc-wrapper .step-number {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--loan-gradient);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--loan-white);
}

.loan-calc-wrapper .step-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--loan-white);
    margin-bottom: 0.25rem;
}

.loan-calc-wrapper .step-content p {
    font-size: 0.9rem;
    color: var(--loan-muted);
}

/* FAQ */
.loan-calc-wrapper .faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.loan-calc-wrapper .faq-item {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--loan-border);
}

.loan-calc-wrapper .faq-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.loan-calc-wrapper .faq-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--loan-white);
    margin-bottom: 0.5rem;
}

.loan-calc-wrapper .faq-item p {
    font-size: 0.95rem;
    color: var(--loan-muted);
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 1024px) {
    .loan-calc-wrapper .result-display {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .loan-calc-wrapper .loan-types-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .loan-calc-wrapper .breakdown-container {
        flex-direction: column;
    }
    
    .loan-calc-wrapper .pie-chart {
        width: 180px;
        min-width: 180px;
    }
}

@media (max-width: 768px) {
    .loan-calc-wrapper {
        padding: 2rem 1rem;
    }
    
    .loan-calc-wrapper .calc-title {
        font-size: 2rem;
    }
    
    .loan-calc-wrapper .calc-card {
        padding: 1.5rem;
    }
    
    .loan-calc-wrapper .loan-tabs {
        flex-wrap: wrap;
    }
    
    .loan-calc-wrapper .loan-tab {
        flex: 1 1 45%;
    }
    
    .loan-calc-wrapper .form-row {
        grid-template-columns: 1fr;
    }
    
    .loan-calc-wrapper .input-row-inner {
        flex-direction: column;
    }
    
    .loan-calc-wrapper .input-row-inner .form-select {
        width: 100%;
    }
    
    .loan-calc-wrapper .controls {
        flex-direction: column;
    }
    
    .loan-calc-wrapper .controls .btn {
        width: 100%;
    }
    
    .loan-calc-wrapper .result-display {
        grid-template-columns: 1fr;
    }
    
    .loan-calc-wrapper .savings-grid {
        grid-template-columns: 1fr;
    }
    
    .loan-calc-wrapper .loan-types-grid {
        grid-template-columns: 1fr;
    }
    
    .loan-calc-wrapper .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .loan-calc-wrapper .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .loan-calc-wrapper .schedule-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .loan-calc-wrapper .calc-title {
        font-size: 1.75rem;
    }
    
    .loan-calc-wrapper .loan-tab {
        flex: 1 1 100%;
    }
    
    .loan-calc-wrapper .pie-chart {
        width: 160px;
        min-width: 160px;
    }
    
    .loan-calc-wrapper .pie-total {
        font-size: 1.25rem;
    }
    
    .loan-calc-wrapper .legend-value {
        min-width: 90px;
        font-size: 1rem;
    }
    
    .loan-calc-wrapper .info-title {
        font-size: 1.25rem;
    }
}