/* ==========================================================================
   输液滴速计算 · 页面专属样式
   设计意图：右边是一块「输液监视牌」——大字是每分钟滴数，下面一条 0~100 的
   刻度尺把当前滴速标出来，再往下是进度与参考范围，像床头的输液卡。
   仅本页引用。
   ========================================================================== */

.iv-desk {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: 20px;
    align-items: start;
    margin-top: 26px;
}

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

/* ---------- 胶囊 ---------- */
.iv-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

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

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

.iv-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;
}

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

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

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

/* ---------- 计算方式 ---------- */
.iv-modes {
    display: inline-flex;
    gap: 2px;
    margin-bottom: 14px;
    padding: 3px;
    background: var(--d3-paper-2);
    border: 1px solid var(--d3-line);
    border-radius: 9px;
}

.iv-mode {
    appearance: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 650;
    line-height: 1;
    padding: 8px 13px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--d3-ink-3);
    transition: background .14s ease, color .14s ease, box-shadow .14s ease;
}

.iv-mode:hover { color: var(--d3-ink); }

.iv-mode.is-on {
    background: var(--d3-card);
    color: var(--d3-accent);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .08);
}

#ivForm [data-mode-field] { display: none; }
#ivForm[data-mode="time"] [data-mode-field="time"],
#ivForm[data-mode="rate"] [data-mode-field="rate"] { display: block; }

.iv-grid [data-mode-field] + [data-mode-field] { grid-column: auto; }

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

.iv-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;
}

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

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

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

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

.iv-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);
}

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

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

/* ---------- 结果 ---------- */
.iv-desk > * { min-width: 0; }

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

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

.iv-readout {
    position: relative;
    padding: 15px 18px 14px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
    overflow: hidden;
}

.iv-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));
}

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

.iv-kicker {
    font-family: var(--d3-mono);
    font-size: 10px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--d3-ink-3);
}

.iv-badge {
    font-family: var(--d3-mono);
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    padding: 5px 8px;
    border-radius: 999px;
    border: 1px solid var(--d3-line-2);
    color: var(--d3-ink-3);
    white-space: nowrap;
}

.iv-badge.is-ok { border-color: rgba(29, 107, 79, .38); color: var(--d3-ok); background: rgba(29, 107, 79, .07); }
.iv-badge.is-warn { border-color: rgba(168, 84, 26, .4); color: var(--d3-warn); background: rgba(168, 84, 26, .08); }
.iv-badge.is-bad { border-color: rgba(176, 42, 36, .4); color: var(--d3-bad); background: rgba(176, 42, 36, .08); }

.iv-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(38px, 5.2vw, 52px);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -.045em;
    color: var(--d3-ink);
}

.iv-big small {
    font-family: var(--d3-sans);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0;
    color: var(--d3-ink-3);
}

.iv-big-note {
    margin: 6px 0 0;
    font-size: 12.5px;
    line-height: 1.6;
    color: var(--d3-ink-3);
}

/* ---------- 刻度尺 ---------- */
.iv-scale { margin-top: 16px; }

.iv-scale-track {
    position: relative;
    height: 8px;
    border-radius: 999px;
    background: linear-gradient(to right,
        rgba(29, 107, 79, .18) 0%,
        rgba(29, 107, 79, .18) 20%,
        rgba(29, 107, 79, .30) 20%,
        rgba(29, 107, 79, .30) 60%,
        rgba(168, 84, 26, .28) 60%,
        rgba(176, 42, 36, .3) 100%);
    border: 1px solid var(--d3-line);
}

.iv-scale-zone {
    position: absolute;
    top: -3px;
    bottom: -3px;
    left: 20%;
    width: 40%;
    border-radius: 999px;
    border: 1px solid rgba(var(--d3-accent-rgb), .55);
    background: rgba(var(--d3-accent-rgb), .07);
    display: none;
}

.iv-scale-pin {
    position: absolute;
    top: -7px;
    bottom: -7px;
    left: 40%;
    width: 2px;
    border-radius: 2px;
    background: var(--d3-ink);
    transform: translateX(-1px);
    transition: left .25s ease, background .2s ease;
}

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

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

.iv-scale-ticks {
    display: flex;
    justify-content: space-between;
    margin-top: 9px;
    font-family: var(--d3-mono);
    font-size: 10px;
    color: var(--d3-ink-3);
}

.iv-scale-ticks span:first-child { margin-left: -2px; }
.iv-scale-ticks span:last-child { margin-right: -2px; }

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

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

.iv-kv span {
    display: block;
    font-size: 11.5px;
    color: var(--d3-ink-3);
    margin-bottom: 3px;
}

.iv-kv b {
    font-family: var(--d3-mono);
    font-variant-numeric: tabular-nums;
    font-size: 15px;
    font-weight: 650;
    color: var(--d3-ink);
}

/* ---------- 进度 ---------- */
.iv-prog {
    padding: 11px 14px 12px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
}

.iv-prog-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    font-size: 11.5px;
    color: var(--d3-ink-3);
}

.iv-prog-head b {
    font-family: var(--d3-mono);
    font-size: 12.5px;
    color: var(--d3-ink);
    font-weight: 650;
}

.iv-prog-bar {
    height: 6px;
    margin-top: 8px;
    border-radius: 999px;
    background: var(--d3-paper-2);
    border: 1px solid var(--d3-line);
    overflow: hidden;
}

.iv-prog-bar i {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: var(--d3-accent);
    transition: width .25s ease;
}

.iv-prog-note {
    margin: 7px 0 0;
    font-family: var(--d3-mono);
    font-size: 11.5px;
    color: var(--d3-ink-3);
}

.iv-prog.is-off { display: none; }

/* ---------- 参考范围 ---------- */
.iv-ref {
    padding: 12px 14px 13px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
}

.iv-ref h3 { font-size: 13px; font-weight: 650; margin-bottom: 9px; }

.iv-ref-rows { display: grid; gap: 6px; }

.iv-ref-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 6px 9px;
    font-size: 12px;
    color: var(--d3-ink-2);
    border: 1px solid transparent;
    border-radius: 7px;
}

.iv-ref-row span { width: 74px; flex: none; font-weight: 650; color: var(--d3-ink); }

.iv-ref-row b {
    font-family: var(--d3-mono);
    font-size: 11.5px;
    font-weight: 650;
    color: var(--d3-ink);
    font-variant-numeric: tabular-nums;
}

.iv-ref-row em {
    margin-left: auto;
    font-style: normal;
    font-family: var(--d3-mono);
    font-size: 10.5px;
    color: var(--d3-ink-3);
    white-space: nowrap;
}

.iv-ref-row.is-cur {
    border-color: rgba(var(--d3-accent-rgb), .35);
    background: rgba(var(--d3-accent-rgb), .06);
}

.iv-ref-row.is-cur span { color: var(--d3-accent); }

.iv-ref-note {
    margin: 9px 0 0;
    padding-top: 8px;
    border-top: 1px dashed var(--d3-line);
    font-size: 11.5px;
    line-height: 1.65;
    color: var(--d3-ink-3);
}

/* ---------- 换算表 ---------- */
.iv-table-wrap { margin-top: 34px; }

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

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

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

.iv-table td { font-family: var(--d3-mono); font-variant-numeric: tabular-nums; }
.iv-table td:first-child { font-weight: 650; color: var(--d3-ink); }

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

@media (max-width: 640px) {
    .iv-grid { grid-template-columns: minmax(0, 1fr); }
    .iv-kv { grid-template-columns: minmax(0, 1fr); }
    .iv-big { font-size: 40px; }
    .iv-sec-head { display: block; }
    .iv-sec-head span { display: block; margin-top: 4px; text-align: left; }
    .iv-ref-row { flex-wrap: wrap; }
    .iv-ref-row em { margin-left: 0; width: 100%; }
}