/* ==========================================================================
   121 · CNC 主轴转速与进给
   视觉概念：数控系统操作面板 —— 深石墨机身、电光青数码读数、琥珀警示
   ========================================================================== */

:root {
    --cf-bg: #eef1f3;
    --cf-panel: #ffffff;
    --cf-panel-2: #e8edf0;
    --cf-ink: #11171a;
    --cf-ink-2: #3d4c55;
    --cf-muted: #78878f;
    --cf-line: #d9e1e5;
    --cf-line-2: #c3cfd6;
    --cf-electric: #00738f;
    --cf-electric-2: #005a71;
    --cf-electric-soft: #e0f4f9;
    --cf-screen: #0f1519;
    --cf-screen-2: #171f24;
    --cf-screen-ink: #4fe3ff;
    --cf-screen-dim: #7e939c;
    --cf-amber: #b45309;
    --cf-amber-soft: #fdf0e2;
    --cf-bad: #a72b20;
    --cf-bad-soft: #fbeae8;
    --cf-ok: #186b4a;
    --cf-hero: #101619;
    --cf-hero-line: rgba(255, 255, 255, .055);
    --cf-shadow: 0 1px 2px rgba(17, 23, 26, .05), 0 20px 44px -38px rgba(17, 23, 26, .55);
    --cf-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    --cf-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
    --cf-bg: #080c0e;
    --cf-panel: #111a1e;
    --cf-panel-2: #162126;
    --cf-ink: #e6eef1;
    --cf-ink-2: #a7b6bd;
    --cf-muted: #74848c;
    --cf-line: #1f2c31;
    --cf-line-2: #2b3a41;
    --cf-electric: #35d3f0;
    --cf-electric-2: #55e0f7;
    --cf-electric-soft: #0a2831;
    --cf-screen: #060a0c;
    --cf-screen-2: #0d1519;
    --cf-screen-ink: #5ceaff;
    --cf-screen-dim: #5f737c;
    --cf-amber: #e29a54;
    --cf-amber-soft: #241a10;
    --cf-bad: #e08b7d;
    --cf-bad-soft: #261412;
    --cf-ok: #5bbf8f;
    --cf-hero: #070b0d;
    --cf-hero-line: rgba(255, 255, 255, .05);
    --cf-shadow: 0 1px 2px rgba(0, 0, 0, .55), 0 24px 50px -36px rgba(0, 0, 0, .95);
}

.cf-wrap {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 22px;
}

/* ---------------- 操作台首屏 ---------------- */
.cf-hero {
    position: relative;
    padding: 18px 0 26px;
    background:
        radial-gradient(760px 320px at 82% -10%, rgba(0, 194, 255, .13), transparent 68%),
        linear-gradient(var(--cf-hero-line) 1px, transparent 1px) 0 0 / 28px 28px,
        linear-gradient(90deg, var(--cf-hero-line) 1px, transparent 1px) 0 0 / 28px 28px,
        var(--cf-hero);
    color: #e9f1f4;
}
.cf-hero::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--cf-screen-ink) 22%, transparent 62%);
    opacity: .35;
}
.cf-hero > .cf-wrap { position: relative; z-index: 1; }

.cf-crumb {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 18px;
    font-size: 12.5px;
    color: rgba(233, 241, 244, .52);
}
.cf-crumb a { color: rgba(233, 241, 244, .52); text-decoration: none; }
.cf-crumb a:hover { color: var(--cf-screen-ink); }
.cf-crumb i { font-style: normal; opacity: .5; }

.cf-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
    align-items: end;
    margin-bottom: 22px;
}
.cf-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 12px;
    font-family: var(--cf-mono);
    font-size: 10.5px;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--cf-screen-ink);
}
.cf-eyebrow::before {
    content: "";
    width: 22px;
    height: 1px;
    background: currentColor;
}
.cf-h1 {
    margin: 0 0 12px;
    font-family: var(--cf-sans);
    font-size: clamp(27px, 3.5vw, 41px);
    line-height: 1.16;
    font-weight: 800;
    letter-spacing: -.035em;
    color: #f3f8fa;
}
.cf-h1 em {
    font-style: normal;
    color: var(--cf-screen-ink);
    text-shadow: 0 0 26px rgba(79, 227, 255, .3);
}
.cf-sub {
    margin: 0;
    max-width: 60ch;
    font-size: 14.6px;
    line-height: 1.86;
    color: rgba(233, 241, 244, .72);
}
.cf-sub b { color: #fff; font-weight: 600; white-space: nowrap; }

.cf-side {
    display: flex;
    align-items: center;
    gap: 12px;
}
.cf-live {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--cf-mono);
    font-size: 10px;
    letter-spacing: .16em;
    color: rgba(233, 241, 244, .5);
}
.cf-live i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cf-screen-ink);
    box-shadow: 0 0 0 3px rgba(79, 227, 255, .16);
    animation: cfPulse 2.2s ease-in-out infinite;
}
@keyframes cfPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .3; }
}

.cf-theme {
    display: inline-flex;
    gap: 2px;
    padding: 3px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 7px;
    background: rgba(255, 255, 255, .05);
}
.cf-theme button {
    appearance: none;
    border: 0;
    background: transparent;
    color: rgba(233, 241, 244, .55);
    font: inherit;
    font-size: 11.5px;
    padding: 5px 11px;
    border-radius: 5px;
    cursor: pointer;
    transition: background .15s, color .15s;
}
.cf-theme button:hover { color: #fff; }
.cf-theme button[aria-pressed="true"] {
    background: var(--cf-screen-ink);
    color: #06222a;
    font-weight: 700;
}

/* ---------------- 工作台 ---------------- */
.cf-desk {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
}

.cf-panel {
    border: 1px solid var(--cf-line);
    border-radius: 10px;
    background: var(--cf-panel);
    box-shadow: var(--cf-shadow);
    overflow: hidden;
}

.cf-ph {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--cf-line);
    background: var(--cf-panel-2);
}
.cf-ph h2 {
    margin: 0;
    font-family: var(--cf-mono);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--cf-ink);
}
.cf-ph span {
    margin-left: auto;
    font-family: var(--cf-mono);
    font-size: 9.5px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--cf-muted);
}

/* 参数表单 */
.cf-form { padding: 12px 14px 14px; }
.cf-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
}
.cf-field { display: grid; gap: 4px; min-width: 0; }
.cf-field.is-wide { grid-column: 1 / -1; }
.cf-field > label {
    font-family: var(--cf-mono);
    font-size: 9.5px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--cf-muted);
}
.cf-inp {
    display: flex;
    align-items: center;
    border: 1px solid var(--cf-line-2);
    border-radius: 6px;
    background: var(--cf-panel);
    transition: border-color .15s, box-shadow .15s;
}
.cf-inp:focus-within {
    border-color: var(--cf-electric);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--cf-electric) 14%, transparent);
}
.cf-inp input {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
    border: 0;
    background: transparent;
    color: var(--cf-ink);
    font-family: var(--cf-mono);
    font-size: 14px;
    font-weight: 600;
    padding: 7px 2px 7px 9px;
    outline: none;
    font-variant-numeric: tabular-nums;
}
.cf-inp span {
    flex: 0 0 auto;
    padding-right: 8px;
    font-family: var(--cf-mono);
    font-size: 9.5px;
    color: var(--cf-muted);
    white-space: nowrap;
}
.cf-inp.is-bad { border-color: var(--cf-bad); background: var(--cf-bad-soft); }
.cf-inp.is-bad span { color: var(--cf-bad); }

.cf-sel {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--cf-line-2);
    border-radius: 6px;
    background: var(--cf-panel);
    color: var(--cf-ink);
    font-family: var(--cf-sans);
    font-size: 12.6px;
    padding: 7px 8px;
    outline: none;
    cursor: pointer;
}
.cf-sel:focus { border-color: var(--cf-electric); }

.cf-actions {
    display: flex;
    gap: 6px;
    margin-top: 12px;
    padding-top: 11px;
    border-top: 1px solid var(--cf-line);
}
.cf-btn {
    appearance: none;
    font: inherit;
    font-size: 12.5px;
    padding: 7px 12px;
    border-radius: 6px;
    border: 1px solid var(--cf-line-2);
    background: var(--cf-panel);
    color: var(--cf-ink-2);
    cursor: pointer;
    white-space: nowrap;
    transition: all .15s;
}
.cf-btn:hover { border-color: var(--cf-ink); color: var(--cf-ink); }
.cf-btn.is-primary {
    flex: 1 1 auto;
    background: var(--cf-electric);
    border-color: var(--cf-electric);
    color: #fff;
    font-weight: 700;
}
.cf-btn.is-primary:hover { background: var(--cf-electric-2); border-color: var(--cf-electric-2); color: #fff; }
.cf-btn.is-ghost { background: transparent; }

.cf-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 9px;
}
.cf-presets button {
    appearance: none;
    border: 1px dashed var(--cf-line-2);
    background: transparent;
    color: var(--cf-ink-2);
    font: inherit;
    font-size: 11px;
    padding: 3px 7px;
    border-radius: 5px;
    cursor: pointer;
}
.cf-presets button:hover { border-color: var(--cf-electric); color: var(--cf-electric); }

.cf-note {
    margin: 9px 0 0;
    padding: 8px 10px;
    border-left: 3px solid var(--cf-amber);
    border-radius: 4px;
    background: var(--cf-amber-soft);
    font-size: 11.5px;
    line-height: 1.7;
    color: var(--cf-ink-2);
}
.cf-note.is-bad { border-left-color: var(--cf-bad); background: var(--cf-bad-soft); }
.cf-note b { color: var(--cf-ink); }

/* ---------------- 数码读数 ---------------- */
.cf-readout {
    display: grid;
    grid-template-rows: auto auto auto;
    background: var(--cf-panel);
}
.cf-screen {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1px;
    padding: 16px 18px 18px;
    background:
        repeating-linear-gradient(0deg, rgba(255, 255, 255, .02) 0 1px, transparent 1px 3px),
        linear-gradient(160deg, var(--cf-screen), var(--cf-screen-2));
    border-bottom: 1px solid var(--cf-line);
}
.cf-screen-cell { min-width: 0; }
.cf-screen-cell + .cf-screen-cell { padding-left: 18px; border-left: 1px solid rgba(255, 255, 255, .08); }
.cf-screen-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--cf-mono);
    font-size: 9.5px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--cf-screen-dim);
}
.cf-screen-label i {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--cf-screen-ink);
    font-style: normal;
}
.cf-screen-num {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin-top: 3px;
}
.cf-screen-num b {
    font-family: var(--cf-mono);
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -.02em;
    color: var(--cf-screen-ink);
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 22px rgba(79, 227, 255, .25);
}
.cf-screen-num em {
    font-family: var(--cf-mono);
    font-style: normal;
    font-size: 10.5px;
    color: var(--cf-screen-dim);
    letter-spacing: .04em;
}
.cf-screen-cell.is-limited .cf-screen-num b { color: #ffc266; text-shadow: 0 0 22px rgba(255, 194, 102, .25); }

.cf-screen-sub {
    margin-top: 4px;
    font-family: var(--cf-mono);
    font-size: 10px;
    color: var(--cf-screen-dim);
    letter-spacing: .04em;
}

/* 指标网格 */
.cf-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--cf-line);
    border-bottom: 1px solid var(--cf-line);
}
.cf-metric { padding: 10px 13px; background: var(--cf-panel); }
.cf-metric span {
    display: block;
    font-family: var(--cf-mono);
    font-size: 9px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--cf-muted);
    margin-bottom: 2px;
}
.cf-metric b {
    font-family: var(--cf-mono);
    font-size: 15.5px;
    font-weight: 700;
    color: var(--cf-ink);
    font-variant-numeric: tabular-nums;
}
.cf-metric b small { font-size: 10px; font-weight: 500; color: var(--cf-muted); margin-left: 2px; }

/* 转速条 */
.cf-bar { padding: 12px 16px 14px; }
.cf-bar-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 7px;
}
.cf-bar-head span {
    font-family: var(--cf-mono);
    font-size: 9.5px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--cf-muted);
}
.cf-bar-head b {
    font-family: var(--cf-mono);
    font-size: 11px;
    color: var(--cf-ink-2);
    font-variant-numeric: tabular-nums;
}
.cf-track {
    position: relative;
    height: 9px;
    border-radius: 5px;
    background: var(--cf-panel-2);
    overflow: hidden;
}
.cf-track i {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--cf-electric), var(--cf-screen-ink));
    transition: width .4s cubic-bezier(.22, .8, .3, 1);
}
.cf-track.is-limited i { background: linear-gradient(90deg, var(--cf-amber), #f0a04b); }
.cf-track-marks {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
    font-family: var(--cf-mono);
    font-size: 9px;
    color: var(--cf-muted);
}

.cf-tip {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 0;
    padding: 10px 16px 13px;
    border-top: 1px solid var(--cf-line);
    font-size: 11.8px;
    line-height: 1.72;
    color: var(--cf-ink-2);
}
.cf-tip b { color: var(--cf-ink); }
.cf-tip strong { color: var(--cf-electric); font-family: var(--cf-mono); }

/* ---------------- 材料表 ---------------- */
.cf-body { padding-bottom: 8px; }

.cf-card {
    margin-top: 16px;
    border: 1px solid var(--cf-line);
    border-radius: 10px;
    background: var(--cf-panel);
    box-shadow: var(--cf-shadow);
    overflow: hidden;
}
.cf-card-head {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--cf-line);
    background: var(--cf-panel-2);
}
.cf-card-head h2 {
    margin: 0;
    font-family: var(--cf-mono);
    font-size: 11px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--cf-ink);
}
.cf-card-head span { font-size: 12px; color: var(--cf-muted); }
.cf-card-head .cf-btn { margin-left: auto; padding: 5px 10px; font-size: 11.5px; }

.cf-table-scroll { overflow-x: auto; }
.cf-table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 12.4px; }
.cf-table th,
.cf-table td {
    padding: 7px 12px;
    text-align: right;
    border-bottom: 1px dashed var(--cf-line);
    font-variant-numeric: tabular-nums;
}
.cf-table th:first-child,
.cf-table td:first-child { text-align: left; font-weight: 600; }
.cf-table th {
    font-family: var(--cf-mono);
    font-size: 9.5px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--cf-muted);
    font-weight: 600;
    white-space: nowrap;
    background: var(--cf-panel-2);
}
.cf-table td { font-family: var(--cf-mono); color: var(--cf-ink-2); }
.cf-table tbody tr { cursor: pointer; }
.cf-table tbody tr:hover td { background: var(--cf-panel-2); }
.cf-table tr.is-cur td {
    color: var(--cf-electric);
    font-weight: 700;
    background: var(--cf-electric-soft);
}
.cf-table td:first-child span {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 5px;
    border: 1px solid var(--cf-line-2);
    border-radius: 3px;
    font-family: var(--cf-mono);
    font-size: 9px;
    font-weight: 500;
    color: var(--cf-muted);
}
.cf-table-hint {
    margin: 0;
    padding: 8px 16px 10px;
    font-size: 11.5px;
    color: var(--cf-muted);
    border-top: 1px solid var(--cf-line);
}

/* ---------------- 说明 ---------------- */
.cf-doc {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 28px 0 6px;
}
.cf-doc-block {
    padding: 17px 19px;
    border: 1px solid var(--cf-line);
    border-radius: 10px;
    background: var(--cf-panel);
}
.cf-doc-block h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 9px;
    font-size: 14.6px;
    font-weight: 700;
    color: var(--cf-ink);
}
.cf-doc-block h2::before {
    content: "";
    width: 3px;
    height: 12px;
    border-radius: 1px;
    background: var(--cf-electric);
}
.cf-doc-block p,
.cf-doc-block li { font-size: 13px; line-height: 1.95; color: var(--cf-ink-2); }
.cf-doc-block p { margin: 0 0 8px; }
.cf-doc-block p:last-child { margin-bottom: 0; }
.cf-doc-block ul, .cf-doc-block ol { margin: 0; padding-left: 18px; }
.cf-doc-block li + li { margin-top: 4px; }
.cf-doc-block b { color: var(--cf-ink); }
.cf-doc-block code {
    font-family: var(--cf-mono);
    font-size: 11.6px;
    padding: 1px 5px;
    border-radius: 3px;
    background: var(--cf-panel-2);
    color: var(--cf-electric);
}
.cf-formula {
    margin: 10px 0 0;
    padding: 11px 13px;
    border: 1px dashed var(--cf-line-2);
    border-radius: 6px;
    background: var(--cf-panel-2);
    font-family: var(--cf-mono);
    font-size: 11.4px;
    line-height: 2.05;
    color: var(--cf-ink-2);
    overflow-x: auto;
}

.cf-toast {
    position: fixed;
    left: 50%;
    bottom: 26px;
    transform: translate(-50%, 12px);
    z-index: 90;
    max-width: min(88vw, 440px);
    padding: 10px 18px;
    border-radius: 7px;
    background: var(--cf-ink);
    color: var(--cf-panel);
    font-size: 13px;
    line-height: 1.6;
    box-shadow: 0 18px 36px -22px rgba(0, 0, 0, .7);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s;
}
.cf-toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1040px) {
    .cf-desk { grid-template-columns: minmax(0, 1fr); }
    .cf-top { grid-template-columns: minmax(0, 1fr); gap: 14px; }
    .cf-side { justify-content: flex-start; }
    .cf-readout { order: -1; }
    .cf-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cf-doc { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 640px) {
    .cf-wrap { padding: 0 14px; }
    .cf-hero { padding: 14px 0 20px; }
    .cf-h1 { font-size: 24px; }
    .cf-h1 u { display: none; }
    .cf-sub { font-size: 13.8px; line-height: 1.8; }
    .cf-live { display: none; }
    .cf-form { padding: 11px 12px 13px; }
    .cf-screen { grid-template-columns: minmax(0, 1fr); gap: 10px; padding: 13px 14px 15px; }
    .cf-screen-cell + .cf-screen-cell { padding-left: 0; border-left: 0; }
    .cf-screen-num b { font-size: 34px; }
    .cf-metrics { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .cf-actions { flex-wrap: wrap; }
    .cf-btn.is-primary { flex: 1 1 100%; }
    .cf-card-head span { display: none; }
}