/* ==========================================================================
   食物交换份计算 · 页面专属样式
   设计意图：右边是一张「配餐单」——大字是一天总份数，下面一条按类别分段的
   热量占比条，再往下是三餐分配表与折合重量表，像营养科发的处方单。
   仅本页引用。
   ========================================================================== */

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

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

/* ---------- 性别 / 活动 / 目标胶囊 ---------- */
.fx-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

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

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

.fx-chips label span {
    display: inline-block;
    padding: 6px 12px;
    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;
}

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

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

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

.fx-chips-sm { padding-top: 2px; }
.fx-chips-sm label span { padding: 8px 14px; }

/* ---------- 热量口径 ---------- */
.fx-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;
}

.fx-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;
}

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

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

#fxForm [data-mode-field] { display: none; }
#fxForm[data-mode="manual"] [data-mode-field="manual"] { display: block; }

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

.fx-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;
}

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

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

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

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

.fx-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);
}

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

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

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

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

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

.fx-readout {
    position: relative;
    padding: 15px 18px 16px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
    overflow: hidden;
}

.fx-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));
}

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

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

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

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

.fx-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);
}

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

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

/* 类别占比条 */
.fx-comp {
    display: flex;
    height: 10px;
    margin-top: 15px;
    border-radius: 999px;
    overflow: hidden;
    background: var(--d3-paper-2);
    border: 1px solid var(--d3-line);
}

.fx-comp i {
    display: block;
    height: 100%;
    transition: width .25s ease;
}

.fx-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    margin-top: 10px;
    font-size: 11.5px;
    color: var(--d3-ink-3);
}

.fx-legend span { display: inline-flex; align-items: center; gap: 5px; }

.fx-legend i {
    width: 8px;
    height: 8px;
    border-radius: 2px;
    flex: none;
}

.fx-legend b {
    font-family: var(--d3-mono);
    font-size: 11.5px;
    font-weight: 650;
    color: var(--d3-ink-2);
}

/* 三大营养素 */
.fx-macros {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--d3-line);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
    overflow: hidden;
}

.fx-macros > div {
    padding: 9px 12px 10px;
    background: var(--d3-card);
}

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

.fx-macros b {
    font-family: var(--d3-mono);
    font-size: 14px;
    font-weight: 650;
    color: var(--d3-ink);
    font-variant-numeric: tabular-nums;
}

/* 表格块 */
.fx-block {
    padding: 12px 14px 6px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
}

.fx-block-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 6px;
}

.fx-block-head h3 { font-size: 13px; font-weight: 650; }

.fx-block-head span {
    font-family: var(--d3-mono);
    font-size: 10.5px;
    color: var(--d3-ink-3);
}

.fx-meal-table th,
.fx-meal-table td,
.fx-gram-table th,
.fx-gram-table td {
    padding: 7px 6px;
    font-size: 12px;
}

.fx-meal-table td { font-family: var(--d3-mono); font-variant-numeric: tabular-nums; }
.fx-meal-table td:first-child,
.fx-gram-table td:first-child {
    font-family: var(--d3-sans);
    font-weight: 650;
    color: var(--d3-ink);
    white-space: nowrap;
}
.fx-meal-table td:last-child { color: var(--d3-accent); font-weight: 650; }

.fx-gram-table td { font-family: var(--d3-mono); font-variant-numeric: tabular-nums; }

.fx-zero { color: var(--d3-ink-3); opacity: .55; }

/* ---------- 反查 ---------- */
.fx-conv-wrap { margin-top: 34px; }

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

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

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

.fx-conv {
    padding: 15px 16px;
    background: var(--d3-card);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius);
}

.fx-conv-row {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr) minmax(0, .85fr);
    gap: 14px;
    align-items: end;
}

.fx-conv-out {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    padding: 11px 14px;
    background: var(--d3-paper-2);
    border: 1px solid var(--d3-line);
    border-radius: var(--d3-radius-sm);
}

.fx-conv-out span { font-size: 11.5px; color: var(--d3-ink-3); }

.fx-conv-out b {
    font-family: var(--d3-mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--d3-accent);
    font-variant-numeric: tabular-nums;
}

.fx-conv .d3-hint { margin-top: 11px; }

.fx-table-wrap { margin-top: 34px; }
.fx-table-wrap td:nth-child(2) { font-family: var(--d3-mono); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
    .fx-desk { grid-template-columns: minmax(0, 1fr); }
    .fx-result { order: -1; }
    .fx-conv-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .fx-conv-out { grid-column: span 2; }
}

@media (max-width: 640px) {
    .fx-grid { grid-template-columns: minmax(0, 1fr); }
    .fx-macros { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .fx-conv-row { grid-template-columns: minmax(0, 1fr); }
    .fx-conv-out { grid-column: auto; }
    .fx-big { font-size: 40px; }
    .fx-sec-head { display: block; }
    .fx-sec-head span { display: block; margin-top: 4px; text-align: left; }
}