/* 贷款/房贷计算器样式 */

:root {
    --primary-color: #f59e0b;
    --primary-hover: #fbbf24;
    --primary-light: rgba(245, 158, 11, 0.08);
    --primary-light-hover: rgba(245, 158, 11, 0.12);
    --border-color-hover: rgba(245, 158, 11, 0.2);
    --shadow-primary: 0 0 16px rgba(245, 158, 11, 0.15);
}

html, body { height: 100%; overflow-y: auto; overflow-x: hidden; margin: 0; }
body { display: flex; align-items: flex-start; justify-content: center; padding-top: 70px; padding-bottom: 70px; min-height: 100vh; }
.logo-icon { background: linear-gradient(135deg, var(--primary-color) 0%, #b45309 100%); }
.main-content { width: 100%; max-width: 600px; padding: 20px; z-index: 10; }
.tool-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.3); }

.tabs { display: flex; border-bottom: 1px solid var(--border-color); background: rgba(0,0,0,0.15); }
.tab-btn {
    flex: 1; padding: 14px 10px; background: none; border: none; color: var(--text-muted); font-size: 13px;
    cursor: pointer; transition: 0.2s; display: flex; align-items: center; justify-content: center; gap: 6px; border-bottom: 2px solid transparent;
}
.tab-btn:hover { color: var(--text-secondary); }
.tab-btn.active { color: var(--primary-color); border-bottom-color: var(--primary-color); background: rgba(255,255,255,0.03); }

.form-section { padding: 20px 16px; }
.form-row { display: flex; gap: 12px; margin-bottom: 14px; }
.form-group.half { flex: 1; }
.field-label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
.input-field, .select-wide {
    width: 100%; padding: 10px 14px; background: rgba(0,0,0,0.2); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); color: var(--text-primary); font-size: 14px; outline: none;
}
.input-field:focus, .select-wide:focus { border-color: var(--primary-color); }

.action-bar { display: flex; gap: 10px; padding: 0 16px 16px; flex-wrap: wrap; }
.btn-action {
    padding: 10px 20px; border-radius: var(--radius-md); border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.05); color: var(--text-secondary); cursor: pointer; font-size: 13px;
    display: flex; align-items: center; gap: 6px; transition: 0.2s;
}
.btn-action:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.btn-calculate { background: rgba(245, 158, 11, 0.2); border-color: rgba(245, 158, 11, 0.3); color: #fbbf24; }
.btn-calculate:hover { background: rgba(245, 158, 11, 0.3); }
.btn-clear { background: rgba(156, 163, 175, 0.1); border-color: rgba(156, 163, 175, 0.2); color: #9ca3af; }
.btn-clear:hover { background: rgba(156, 163, 175, 0.2); }

.result-section { margin: 0 16px 16px; }
.loan-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.summary-item { background: rgba(0,0,0,0.15); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 16px 12px; text-align: center; }
.summary-label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.summary-value { display: block; font-size: 20px; font-weight: 700; color: var(--text-primary); font-family: var(--font-mono); }
.summary-value.highlight { color: var(--primary-color); }

.schedule-details { border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; }
.schedule-details summary { padding: 12px 16px; cursor: pointer; font-size: 13px; color: var(--text-secondary); background: rgba(0,0,0,0.1); transition: 0.2s; }
.schedule-details summary:hover { color: var(--text-primary); }
.schedule-details[open] summary { border-bottom: 1px solid var(--border-color); color: var(--primary-color); }
.schedule-table-wrapper { max-height: 400px; overflow-y: auto; }
.schedule-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.schedule-table th { position: sticky; top: 0; background: rgba(0,0,0,0.25); color: var(--text-muted); font-weight: 600; padding: 8px 6px; text-align: right; border-bottom: 1px solid var(--border-color); }
.schedule-table th:first-child { text-align: center; }
.schedule-table td { padding: 8px 6px; text-align: right; color: var(--text-secondary); font-family: var(--font-mono); border-bottom: 1px solid rgba(255,255,255,0.03); }
.schedule-table td:first-child { text-align: center; color: var(--text-muted); }
.schedule-table tr:hover td { background: var(--primary-light); }

@media (max-width: 480px) {
    .main-content { padding: 10px; }
    .form-row { flex-direction: column; }
    .loan-summary { grid-template-columns: 1fr; }
}