/* ===================== 房贷提前还款计算器 ===================== */

.btn-block { width: 100%; margin-top: 8px; }

.mp-topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.mp-title { font-size: 20px; font-weight: 800; margin: 0; }
.mp-download-btn { flex-shrink: 0; margin: 0; }

.mp-layout { display: grid; grid-template-columns: 380px 1fr; gap: 20px; align-items: start; }
.mp-card {
    background: var(--c-surface, #fff);
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 16px;
    padding: 22px;
}
.mp-block-title { font-size: 15px; font-weight: 800; color: var(--c-text, #0f172a); margin: 0 0 14px; }

.mp-field { margin-bottom: 16px; }
.mp-field > label { display: block; font-size: 13px; font-weight: 700; color: var(--c-text-sub, #334155); margin-bottom: 7px; }
.mp-input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 10px;
    background: var(--c-surface, #fff);
    color: var(--c-text, #0f172a);
    font-size: 15px;
    font-weight: 600;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.mp-input:focus { border-color: var(--c-primary, #0066ff); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-primary, #0066ff) 15%, transparent); }
.mp-help { font-size: 12px; color: var(--c-text-muted, #94a3b8); margin: 6px 0 0; line-height: 1.7; }

.mp-radios { display: flex; gap: 10px; flex-wrap: wrap; }
.mp-radio { position: relative; }
.mp-radio input { position: absolute; opacity: 0; pointer-events: none; }
.mp-radio span {
    display: inline-block;
    padding: 9px 16px;
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    color: var(--c-text-sub, #334155);
    cursor: pointer;
    background: var(--c-surface, #fff);
    transition: all .15s;
}
.mp-radio input:checked + span { border-color: #10b981; background: #ecfdf5; color: #047857; }

.mp-result-empty { text-align: center; padding: 60px 20px; color: var(--c-text-muted, #94a3b8); }
.mp-result-empty .emoji { font-size: 40px; margin-bottom: 10px; }
.mp-result-empty p { font-size: 14px; margin: 0; }

.mp-save {
    text-align: center;
    padding: 18px;
    border-radius: 14px;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    margin-bottom: 16px;
}
.mp-save .k { font-size: 12px; color: #047857; }
.mp-save .v { display: block; font-size: 32px; font-weight: 900; color: #047857; font-variant-numeric: tabular-nums; margin-top: 4px; }
.mp-save .u { font-size: 12px; color: #059669; }

.mp-cmp { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 6px; }
.mp-plan {
    padding: 16px 14px;
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 12px;
    background: var(--c-surface-soft, #f8fafc);
}
.mp-plan.best { border-color: #10b981; background: color-mix(in srgb, #10b981 8%, var(--c-surface, #fff)); }
.mp-plan-name { font-size: 13px; font-weight: 800; color: var(--c-text-sub, #334155); margin-bottom: 10px; }
.mp-plan-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--c-text-muted, #64748b); margin-bottom: 6px; }
.mp-plan-row .v { font-weight: 800; color: var(--c-text, #0f172a); font-variant-numeric: tabular-nums; }

.mp-sub-title { font-size: 14px; font-weight: 800; color: var(--c-text, #0f172a); margin: 18px 0 10px; }
.mp-table-wrap { overflow-x: auto; border: 1px solid var(--c-border, #e2e8f0); border-radius: 10px; }
.mp-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 440px; }
.mp-table th, .mp-table td { padding: 9px 12px; text-align: right; border-bottom: 1px solid var(--c-border, #e2e8f0); }
.mp-table th { background: var(--c-surface-soft, #f8fafc); font-weight: 800; color: var(--c-text-sub, #334155); font-size: 12px; }
.mp-table th:first-child, .mp-table td:first-child { text-align: left; }
.mp-table tr:last-child td { border-bottom: none; }
.mp-table td { color: var(--c-text-sub, #334155); font-variant-numeric: tabular-nums; }
.mp-table td.hl { color: #047857; font-weight: 800; }

.mp-note { font-size: 12px; color: var(--c-text-muted, #94a3b8); line-height: 1.8; margin-top: 14px; }

[data-theme="dark"] .mp-save { background: color-mix(in srgb, #10b981 18%, #131c31); border-color: #065f46; }
[data-theme="dark"] .mp-save .k, [data-theme="dark"] .mp-save .u { color: #6ee7b7; }
[data-theme="dark"] .mp-save .v { color: #34d399; }

/* ---- 提前还贷 vs 理财 ---- */
.mp-invest { margin-top: 16px; padding: 16px; border-radius: 12px; border: 1px dashed var(--c-border, #e2e8f0); background: var(--c-surface-soft, #f8fafc); }
.mp-invest-title { font-size: 13px; font-weight: 800; color: var(--c-text, #0f172a); margin-bottom: 10px; }
.mp-invest-row { display: flex; justify-content: space-between; font-size: 13px; padding: 5px 0; color: var(--c-text-sub, #334155); }
.mp-invest-row .v { font-weight: 800; color: var(--c-text, #0f172a); font-variant-numeric: tabular-nums; }
.mp-invest-row .v.good { color: #047857; }
.mp-invest-row .v.bad { color: #dc2626; }
.mp-invest-hint { font-size: 12px; line-height: 1.8; color: var(--c-text-muted, #94a3b8); margin-top: 8px; }

/* ---- 暗色模式补全 ---- */
[data-theme="dark"] .mp-radio input:checked + span { background: color-mix(in srgb, #10b981 18%, #131c31); color: #34d399; }
[data-theme="dark"] .mp-table td.hl { color: #34d399; }
[data-theme="dark"] .mp-invest-row .v.good { color: #34d399; }
[data-theme="dark"] .mp-invest-row .v.bad { color: #fca5a5; }

@media (max-width: 900px) {
    .mp-layout { grid-template-columns: 1fr; }
    .mp-cmp { grid-template-columns: 1fr; }
}