/* ==========================================================================
   eGFR 计算 · 页面专属样式
   设计意图：右边是一张「肾功能报告」——大字是 eGFR，下面一条 0~120 的分期
   色带把位置标出来，再往下是三种公式的对照与风险热图，像检验单附页。
   仅本页引用。
   ========================================================================== */

.egfr-desk {
    display: grid;
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 20px;
    align-items: start;
    margin-top: 26px;
}

.egfr-desk > * { min-width: 0; }

.egfr-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 13px 14px;
}

/* ---------- 胶囊 ---------- */
.egfr-chips { display: flex; flex-wrap: wrap; gap: 6px; }

.egfr-chips label { display: inline-flex; cursor: pointer; user-select: none; }

.egfr-chips input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
}

.egfr-chips label span {
    display: inline-block;
    padding: 6px 11px;
    font-size: 12.5px;
    font-weight: 600;
    line-height: 1.35;
    color: var(--d3-ink-2);
    background: var(--d3-paper);
    border: 1px solid var(--d3-line-2);
    border-radius: 999px;
    white-space: nowrap;
    transition: background .14s ease, border-color .14s ease, color .14s ease;
}

.egfr-chips label:hover span { border-color: var(--d3-accent); color: var(--d3-accent); }

.egfr-chips input:checked + span {
    background: var(--d3-accent);
    border-color: var(--d3-accent);
    color: var(--d3-accent-ink);
}

.egfr-chips input:focus-visible + span {
    outline: 2px solid rgba(var(--d3-accent-rgb), .55);
    outline-offset: 2px;
}

.egfr-chips-sm { margin-top: 8px; }
.egfr-chips-sm label span { padding: 8px 14px; }

/* ---------- 按钮 ---------- */
.egfr-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px dashed var(--d3-line);
}

.egfr-btn {
    appearance: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    font-weight: 650;
    line-height: 1;
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid var(--d3-accent);
    background: var(--d3-accent);
    color: var(--d3-accent-ink);
    transition: filter .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
}

.egfr-btn:hover { filter: brightness(1.06); }

.egfr-btn-ghost {
    background: transparent;
    border-color: var(--d3-line-2);
    color: var(--d3-ink-2);
}

.egfr-btn-ghost:hover {
    border-color: var(--d3-accent);
    color: var(--d3-accent);
    background: rgba(var(--d3-accent-rgb), .06);
    filter: none;
}

/* ---------- 提示 ---------- */
.egfr-alerts { display: grid; gap: 8px; margin-top: 14px; }
.egfr-alerts:empty { display: none; }

.egfr-alert {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    padding: 9px 12px;
    font-size: 12.5px;
    line-height: 1.6;
    border-radius: 8px;
    border: 1px solid var(--d3-line-2);
    background: var(--d3-paper-2);
    color: var(--d3-ink-2);
}

.egfr-alert::before {
    content: "";
    flex: none;
    width: 6px;
    height: 6px;
    margin-top: 6px;
    border-radius: 50%;
    background: var(--d3-ink-3);
}

.egfr-alert.is-warn { border-color: rgba(168, 84, 26, .4); background: rgba(168, 84, 26, .07); color: var(--d3-warn); }
.egfr-alert.is-warn::before { background: var(--d3-warn); }
.egfr-alert.is-bad { border-color: rgba(176, 42, 36, .38); background: rgba(176, 42, 36, .07); color: var(--d3-bad); }
.egfr-alert.is-bad::before { background: var(--d3-bad); }

/* ---------- 结果 ---------- */
.egfr-result {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    min-width: 0;
}

.egfr-result > * { min-width: 0; }

.egfr-readout {
    position: relative;
    padding: 15px 18px 13px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
    overflow: hidden;
}

.egfr-readout::before {
    content: "";
    position: absolute;
    left: 0; top: 0; right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--d3-accent), rgba(var(--d3-accent-rgb), .1));
}

.egfr-readout-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.egfr-kicker {
    font-family: var(--d3-mono);
    font-size: 10px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--d3-ink-3);
}

.egfr-badge {
    font-family: var(--d3-mono);
    font-size: 11px;
    font-weight: 650;
    line-height: 1;
    padding: 5px 9px;
    border-radius: 999px;
    border: 1px solid var(--d3-line-2);
    color: var(--d3-ink-3);
    white-space: nowrap;
}

.egfr-badge.is-ok { border-color: rgba(29, 107, 79, .4); color: var(--d3-ok); background: rgba(29, 107, 79, .07); }
.egfr-badge.is-warn { border-color: rgba(168, 84, 26, .42); color: var(--d3-warn); background: rgba(168, 84, 26, .08); }
.egfr-badge.is-bad { border-color: rgba(176, 42, 36, .42); color: var(--d3-bad); background: rgba(176, 42, 36, .08); }

.egfr-big {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin: 8px 0 0;
    font-family: var(--d3-mono);
    font-variant-numeric: tabular-nums;
    font-size: clamp(36px, 4.9vw, 50px);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -.045em;
    color: var(--d3-ink);
}

.egfr-big small {
    font-family: var(--d3-sans);
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0;
    color: var(--d3-ink-3);
}

.egfr-big-note {
    margin: 6px 0 0;
    font-size: 12.5px;
    line-height: 1.65;
    color: var(--d3-ink-3);
}

/* ---------- 分期色带 ---------- */
.egfr-scale { margin-top: 14px; }

.egfr-scale-track {
    position: relative;
    height: 9px;
    border-radius: 999px;
    border: 1px solid var(--d3-line);
    background: linear-gradient(to right,
        rgba(176, 42, 36, .5) 0%,
        rgba(176, 42, 36, .5) 12.5%,
        rgba(176, 42, 36, .34) 12.5%,
        rgba(176, 42, 36, .34) 25%,
        rgba(168, 84, 26, .42) 25%,
        rgba(168, 84, 26, .42) 37.5%,
        rgba(201, 162, 39, .4) 37.5%,
        rgba(201, 162, 39, .4) 50%,
        rgba(29, 107, 79, .26) 50%,
        rgba(29, 107, 79, .26) 75%,
        rgba(29, 107, 79, .42) 75%,
        rgba(29, 107, 79, .42) 100%);
}

.egfr-scale-zone { display: none; }

.egfr-scale-pin {
    position: absolute;
    top: -7px;
    bottom: -7px;
    left: 50%;
    width: 2px;
    border-radius: 2px;
    background: var(--d3-ink);
    transform: translateX(-1px);
    transition: left .25s ease;
}

.egfr-scale-pin::before {
    content: "";
    position: absolute;
    left: 50%;
    top: -5px;
    width: 8px;
    height: 8px;
    margin-left: -4px;
    border-radius: 50%;
    background: var(--d3-ink);
}

.egfr-scale-pin.is-bad { background: var(--d3-bad); }
.egfr-scale-pin.is-bad::before { background: var(--d3-bad); }
.egfr-scale-pin.is-warn { background: var(--d3-warn); }
.egfr-scale-pin.is-warn::before { background: var(--d3-warn); }

.egfr-scale-ticks {
    position: relative;
    height: 14px;
    margin-top: 9px;
    font-family: var(--d3-mono);
    font-size: 9.5px;
    color: var(--d3-ink-3);
}

.egfr-scale-ticks span {
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    white-space: nowrap;
}

.egfr-scale-ticks span:first-child { transform: none; }
.egfr-scale-ticks span:last-child { transform: translateX(-100%); }

/* ---------- 指标 ---------- */
.egfr-kv {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin: 0;
    background: var(--d3-line);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
    overflow: hidden;
}

.egfr-kv > div { padding: 9px 13px 10px; background: var(--d3-card); }

.egfr-kv dt {
    font-size: 11.5px;
    color: var(--d3-ink-3);
    margin-bottom: 3px;
}

.egfr-kv dd {
    margin: 0;
    font-family: var(--d3-mono);
    font-variant-numeric: tabular-nums;
    font-size: 14.5px;
    font-weight: 650;
    color: var(--d3-ink);
}

/* ---------- 曲线 ---------- */
.egfr-chart-wrap {
    padding: 12px 14px 5px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
}

.egfr-chart-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 3px;
}

.egfr-chart-head h3 { font-size: 13px; font-weight: 650; }

.egfr-chart-head span {
    font-family: var(--d3-mono);
    font-size: 10.5px;
    color: var(--d3-ink-3);
    white-space: nowrap;
}

#egfrChart {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}

#egfrChart .egfr-grid-line { stroke: var(--d3-line); stroke-width: 1; }
#egfrChart .egfr-threshold {
    stroke: var(--d3-bad);
    stroke-width: 1;
    stroke-dasharray: 5 4;
    opacity: .55;
}
#egfrChart .egfr-axis-text {
    fill: var(--d3-ink-3);
    font-family: var(--d3-mono);
    font-size: 10px;
}
#egfrChart .egfr-area { fill: rgba(var(--d3-accent-rgb), .1); }
#egfrChart .egfr-line {
    fill: none;
    stroke: var(--d3-accent);
    stroke-width: 2;
    stroke-linejoin: round;
    stroke-linecap: round;
}
#egfrChart .egfr-dot { fill: var(--d3-card); stroke: var(--d3-accent); stroke-width: 2.4; }
#egfrChart .egfr-dot-text { fill: var(--d3-ink); font-family: var(--d3-mono); font-size: 10.5px; font-weight: 700; }

/* ---------- 分期区 ---------- */
.egfr-stage-wrap { margin-top: 34px; }

.egfr-sec-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.egfr-sec-head h2 { font-size: var(--d3-fs-h2); letter-spacing: -.02em; }

.egfr-sec-head span {
    font-family: var(--d3-mono);
    font-size: 11px;
    color: var(--d3-ink-3);
    text-align: right;
}

.egfr-stage {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, .95fr);
    gap: 16px;
    align-items: start;
}

.egfr-stage > * { min-width: 0; }

.egfr-stage-table td:first-child {
    font-family: var(--d3-mono);
    font-weight: 700;
    color: var(--d3-ink);
    white-space: nowrap;
}
.egfr-stage-table td:nth-child(2) { font-family: var(--d3-mono); }
.egfr-stage-table tr.is-cur td {
    background: rgba(var(--d3-accent-rgb), .08);
    color: var(--d3-accent);
    font-weight: 650;
}

/* 风险热图 */
.egfr-matrix {
    padding: 12px 14px 13px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
}

.egfr-matrix-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 9px;
    font-size: 12px;
    color: var(--d3-ink-2);
    font-weight: 650;
}

.egfr-matrix-head span:last-child {
    font-family: var(--d3-mono);
    font-size: 10px;
    color: var(--d3-ink-3);
    font-weight: 400;
}

.egfr-matrix-grid {
    display: grid;
    grid-template-columns: 42px repeat(3, minmax(0, 1fr));
    gap: 4px;
}

.egfr-cell {
    display: grid;
    place-items: center;
    min-height: 28px;
    padding: 4px 2px;
    font-family: var(--d3-mono);
    font-size: 10.5px;
    border-radius: 5px;
    color: var(--d3-ink-2);
}

.egfr-cell.is-head {
    font-family: var(--d3-sans);
    font-size: 10.5px;
    color: var(--d3-ink-3);
    min-height: 20px;
}

.egfr-cell.is-label {
    font-family: var(--d3-mono);
    font-weight: 700;
    color: var(--d3-ink);
    background: var(--d3-paper-2);
}

.egfr-cell.r-low { background: rgba(29, 107, 79, .15); }
.egfr-cell.r-mod { background: rgba(201, 162, 39, .2); }
.egfr-cell.r-high { background: rgba(168, 84, 26, .22); }
.egfr-cell.r-vhigh { background: rgba(176, 42, 36, .22); }

.egfr-cell.is-cur {
    outline: 2px solid var(--d3-accent);
    outline-offset: -2px;
    color: var(--d3-ink);
    font-weight: 700;
}

.egfr-matrix-note {
    margin: 9px 0 0;
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--d3-ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
    .egfr-desk { grid-template-columns: minmax(0, 1fr); }
    .egfr-result { order: -1; }
    .egfr-stage { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
    .egfr-grid { grid-template-columns: minmax(0, 1fr); }
    .egfr-kv { grid-template-columns: minmax(0, 1fr); }
    .egfr-big { font-size: 38px; }
    .egfr-big small { font-size: 11px; }
    .egfr-sec-head { display: block; }
    .egfr-sec-head span { display: block; margin-top: 4px; text-align: left; }
}