/**
 * 房贷计算器 - 样式文件
 * 左右分栏布局，参考专业抵押贷款计算器设计
 */

@import url('costofauto.css');

/* ===== 覆盖 calc-compact，使用 mortgage 专用布局 ===== */
.mortgage-layout .mortgage-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
}

.mortgage-layout .mortgage-header {
    margin-bottom: var(--spacing-md);
}

.mortgage-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

/* 说明横幅 */
.mortgage-banner {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 0.75rem;
    background: #1a365d;
    color: #fff;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
}

.banner-arrow {
    font-size: 0.75rem;
    opacity: 0.9;
}

.banner-text {
    flex: 1;
}

.banner-print {
    color: #fff;
    text-decoration: underline;
    font-size: 0.85rem;
}

.banner-print:hover {
    opacity: 0.9;
}

/* ===== 三列布局：输入 | 结果 | 还款明细 ===== */
.mortgage-main {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-md);
    align-items: start;
}

@media (max-width: 1200px) {
    .mortgage-main {
        grid-template-columns: 1fr 1fr;
    }
    .mortgage-schedule {
        grid-column: 1 / -1;
    }
}

@media (max-width: 900px) {
    .mortgage-main {
        grid-template-columns: 1fr;
    }
}

/* ===== 左栏：输入表单 ===== */
.mortgage-left {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.mortgage-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-block {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.form-block:last-of-type {
    border-bottom: none;
}

.form-block-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.form-row .form-group:last-child {
    margin-bottom: 0;
}

.mortgage-left .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mortgage-left label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.mortgage-left input[type="number"],
.mortgage-left input[type="text"],
.mortgage-left select {
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.input-with-suffix {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.input-with-suffix input {
    flex: 1;
    border: none !important;
    border-radius: 0;
}

.input-suffix {
    padding: 0.5rem 0.6rem;
    background: var(--bg-secondary);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.date-inputs {
    display: flex;
    gap: var(--spacing-xs);
}

.date-inputs select {
    flex: 1;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: var(--spacing-sm);
}

.checkbox-label input {
    width: auto;
}

.tax-cost-block {
    margin-top: var(--spacing-sm);
}

.tax-cost-block .form-group {
    margin-bottom: var(--spacing-sm);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-calculate {
    flex: 1;
    padding: 0.6rem 1rem;
    background: #2d7a3e;
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
}

.btn-calculate:hover {
    background: #246b32;
}

.btn-clear {
    padding: 0.6rem 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    cursor: pointer;
}

.btn-clear:hover {
    background: var(--border-color);
}

/* ===== 右栏：结果展示 ===== */
.mortgage-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* 月供突出条 */
.result-monthly-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: #2d7a3e;
    color: #fff;
    border-radius: var(--radius-md);
}

.result-monthly-label {
    font-size: 0.95rem;
}

.result-monthly-value {
    font-size: 1.5rem;
    font-weight: 700;
}

/* 月度/总计分解表 */
.result-breakdown-table {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.result-breakdown-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.result-breakdown-table th,
.result-breakdown-table td {
    padding: 0.6rem 0.75rem;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

.result-breakdown-table th:first-child,
.result-breakdown-table td:first-child {
    text-align: left;
}

.result-breakdown-table thead th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.result-breakdown-table .total-row td {
    font-weight: 700;
    background: var(--bg-secondary);
}

/* 成本分布图 */
.result-chart-block {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.result-chart-block h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.donut-chart-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.donut-chart {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    flex-shrink: 0;
    /* JS 动态设置 background */
}

.donut-legend {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.8rem;
}

.legend-item::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    margin-right: 0.4rem;
    vertical-align: middle;
}

.legend-item[data-color="pni"]::before { background: #3b82f6; }
.legend-item[data-color="tax"]::before { background: #86efac; }
.legend-item[data-color="ins"]::before { background: #b45309; }
.legend-item[data-color="other"]::before { background: #93c5fd; }

/* 财务摘要 */
.result-summary {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.result-summary h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.summary-list {
    list-style: none;
}

.summary-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.summary-list li:last-child {
    border-bottom: none;
}

.summary-list li span:first-child {
    color: var(--text-secondary);
}

.summary-list li span:last-child {
    font-weight: 600;
}

/* ===== 滑块样式 ===== */
.slider-value {
    font-weight: 600;
    color: var(--primary-color);
    margin-left: 0.5rem;
}

.mortgage-left input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    margin: 0.25rem 0;
    -webkit-appearance: none;
    appearance: none;
}

.mortgage-left input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
}

.mortgage-left input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
}

/* 滑块下方输入框 */
.form-group.with-slider input[type="number"] {
    margin-top: 0.25rem;
}

/* Variable rate block */
.variable-rate-block {
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-xs);
}

.variable-rate-block .form-group {
    margin-bottom: var(--spacing-sm);
}

/* ===== 第三列：还款明细表 ===== */
.mortgage-schedule {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.schedule-column-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.schedule-view-toggle {
    display: flex;
    gap: 0.5rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
}

.view-btn {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.view-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.schedule-table-scroll {
    max-height: 400px;
    overflow-y: auto;
}

.amortization-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.amortization-table th,
.amortization-table td {
    padding: 0.4rem 0.6rem;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

.amortization-table th:first-child,
.amortization-table td:first-child {
    text-align: left;
}

.amortization-table thead th {
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    font-weight: 600;
}