/* ======================================================================
 *  房贷月供占比 /tools/mortgage-income-ratio
 *  依赖 home.css 全局变量 + tool-detail.css 公共类，支持黑夜模式
 * ====================================================================== */

[hidden] { display: none !important; }

.mir-layout {
    display: grid;
    grid-template-columns: 420px minmax(0, 1fr);
    gap: 20px;
    margin-bottom: 24px;
    align-items: start;
}
.mir-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 22px;
}
.mir-title {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
}

/* ---------- 表单 ---------- */
.mir-field { margin-bottom: 14px; min-width: 0; }
.mir-field > label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--c-text-sub);
    margin-bottom: 7px;
}
.mir-input-wrap { position: relative; display: flex; align-items: center; }
.mir-input {
    width: 100%;
    height: 43px;
    padding: 0 64px 0 14px;
    font-size: 14px;
    font-family: inherit;
    color: var(--c-text);
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    outline: none;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
    -moz-appearance: textfield;
}
.mir-input::-webkit-outer-spin-button,
.mir-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.mir-input:focus {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px var(--c-primary-soft);
}
.mir-select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    padding-right: 36px;
    font-size: 13.5px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a93a8' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 13px center;
}
.mir-suffix {
    position: absolute;
    right: 14px;
    font-size: 12px;
    color: var(--c-text-muted);
    pointer-events: none;
}
.mir-help {
    font-size: 11.5px;
    line-height: 1.65;
    color: var(--c-text-muted);
    margin-top: 6px;
}
.mir-help b { color: var(--c-text-sub); }
.mir-row2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.mir-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 18px 0 13px;
    font-size: 12px;
    font-weight: 700;
    color: var(--c-text-muted);
}
.mir-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--c-border);
}

/* 月供来源：分段切换 */
.mir-seg {
    display: flex;
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    padding: 4px;
    gap: 4px;
}
.mir-seg button {
    flex: 1;
    height: 34px;
    border: none;
    border-radius: 9px;
    background: transparent;
    color: var(--c-text-sub);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s ease;
}
.mir-seg button.active {
    background: var(--c-bg-card);
    color: var(--c-text);
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

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

/* ---------- 结果区 ---------- */
.mir-result-card { min-height: 340px; }
.mir-result-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 320px;
    text-align: center;
    color: var(--c-text-muted);
    font-size: 13.5px;
    line-height: 1.8;
}
.mir-result-empty .emoji { font-size: 46px; opacity: 0.75; }

.mir-result-body { animation: mirFade 0.28s ease; }
@keyframes mirFade {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
}

/* Hero：占比大数字 + 等级 */
.mir-hero {
    text-align: center;
    padding: 20px 24px 18px;
    border-radius: 16px;
    background: linear-gradient(180deg, var(--c-surface-soft), transparent);
    margin-bottom: 18px;
}
.mir-hero-label { font-size: 13px; color: var(--c-text-sub); font-weight: 700; }
.mir-hero-num {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 6px;
    margin: 6px 0 4px;
}
.mir-hero-num b { font-size: 52px; font-weight: 900; letter-spacing: -0.02em; line-height: 1; }
.mir-hero-num .unit { font-size: 22px; font-weight: 700; color: var(--c-text-sub); }
.mir-hero-level {
    display: inline-block;
    font-size: 14px;
    font-weight: 800;
    padding: 4px 16px;
    border-radius: 999px;
}
.mir-hero-level.is-green  { color: #16a34a; background: rgba(34, 197, 94, 0.14); }
.mir-hero-level.is-blue   { color: #2563eb; background: rgba(59, 130, 246, 0.14); }
.mir-hero-level.is-orange { color: #d97706; background: rgba(245, 158, 11, 0.16); }
.mir-hero-level.is-red    { color: #dc2626; background: rgba(239, 68, 68, 0.16); }

/* 刻度进度条 */
.mir-meter { margin-bottom: 18px; }
.mir-meter-scale {
    position: relative;
    height: 18px;
    font-size: 10.5px;
    color: var(--c-text-muted);
    margin-bottom: 2px;
}
.mir-meter-scale span { position: absolute; transform: translateX(-50%); }
.mir-meter-bar {
    position: relative;
    height: 12px;
    border-radius: 999px;
    overflow: visible;
    background: linear-gradient(90deg, #22c55e 0%, #22c55e 30%, #3b82f6 40%, #f59e0b 50%, #ef4444 100%);
    opacity: 0.92;
}
.mir-meter-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    border-radius: 999px 0 0 999px;
    background: transparent;
}
.mir-meter-marker {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fff;
    border: 4px solid #ef4444;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.28);
    transition: left 0.4s ease, border-color 0.4s ease;
}
.mir-meter-marker.is-green  { border-color: #22c55e; }
.mir-meter-marker.is-blue   { border-color: #3b82f6; }
.mir-meter-marker.is-orange { border-color: #f59e0b; }
.mir-meter-marker.is-red    { border-color: #ef4444; }
.mir-meter-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.mir-meter-legend .seg {
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 999px;
    font-weight: 700;
}
.mir-meter-legend .seg-green  { color: #16a34a; background: rgba(34, 197, 94, 0.14); }
.mir-meter-legend .seg-blue   { color: #2563eb; background: rgba(59, 130, 246, 0.14); }
.mir-meter-legend .seg-orange { color: #d97706; background: rgba(245, 158, 11, 0.16); }
.mir-meter-legend .seg-red    { color: #dc2626; background: rgba(239, 68, 68, 0.16); }

/* 明细 */
.mir-bill {
    list-style: none;
    margin: 0 0 18px;
    padding: 14px 16px;
    border: 1px solid var(--c-border);
    border-radius: 14px;
    background: var(--c-surface-soft);
}
.mir-bill li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 13.5px;
}
.mir-bill li + li { border-top: 1px dashed var(--c-border); }
.mir-bill .k { color: var(--c-text-muted); }
.mir-bill .v { font-weight: 800; font-variant-numeric: tabular-nums; }
.mir-bill li.total .v { color: var(--c-primary); font-size: 15px; }

/* 可承受区间 */
.mir-afford {
    border: 1px solid var(--c-border);
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 16px;
}
.mir-afford-head { font-size: 13px; font-weight: 800; margin-bottom: 12px; }
.mir-afford-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 12px;
}
.mir-afford-item {
    background: var(--c-surface-soft);
    border-radius: 12px;
    padding: 12px;
}
.mir-afford-item .k { display: block; font-size: 12px; color: var(--c-text-muted); margin-bottom: 4px; }
.mir-afford-item .v { display: block; font-size: 20px; font-weight: 900; font-variant-numeric: tabular-nums; }
.mir-afford-item small { font-size: 11px; color: var(--c-text-muted); }
.mir-afford-gap { font-size: 12.5px; line-height: 1.7; color: var(--c-text-sub); }
.mir-afford-gap b { color: var(--c-primary); }

/* 建议与提示 */
.mir-tip {
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.75;
    font-weight: 600;
    margin-bottom: 10px;
}
.mir-tip.is-green  { color: #16a34a; background: rgba(34, 197, 94, 0.12); }
.mir-tip.is-blue   { color: #2563eb; background: rgba(59, 130, 246, 0.12); }
.mir-tip.is-orange { color: #d97706; background: rgba(245, 158, 11, 0.14); }
.mir-tip.is-red    { color: #dc2626; background: rgba(239, 68, 68, 0.14); }
.mir-note { font-size: 12.5px; line-height: 1.8; color: var(--c-text-muted); }

/* 免责与简介 */
.mir-disclaim {
    font-size: 12px;
    line-height: 1.8;
    color: var(--c-text-muted);
    background: var(--c-surface-soft);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    padding: 14px 18px;
    margin: 0 0 40px;
}
.mir-info { margin-bottom: 24px; }
.mir-info .detail-desc { margin-top: 12px; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
    .mir-layout { grid-template-columns: 1fr; }
    .mir-input-card { order: 1; }
    .mir-result-card { order: 2; }
    .mir-hero-num b { font-size: 42px; }
    .mir-afford-grid { grid-template-columns: 1fr; }
}