/* motor.css - 电机控制台页面样式
 * 由 motor.html 内联 <style>（原 L7-L675）机械外提，内容未改。
 * 独立主题（seed tokens），不依赖 base.css/components.css。 */
/* ═══════════════════════ SEED TOKENS ═══════════════════════ */
:root {
  --seed-bg: #090e15;
  --seed-surface: #0f161f;
  --seed-fg: #e2e9f2;
  --seed-primary: #22d3ee;
  --seed-accent: #f59e0b;
  --seed-radius: 10px;

  /* derived tokens */
  --bg-root: var(--seed-bg);
  --bg-panel: var(--seed-surface);
  --bg-raised: color-mix(in srgb, var(--seed-surface) 82%, #ffffff 4%);
  --fg: var(--seed-fg);
  --fg-muted: color-mix(in srgb, var(--seed-fg) 55%, transparent);
  --fg-dim: color-mix(in srgb, var(--seed-fg) 35%, transparent);
  --border: color-mix(in srgb, var(--seed-fg) 10%, transparent);
  --border-strong: color-mix(in srgb, var(--seed-fg) 18%, transparent);
  --primary: var(--seed-primary);
  --primary-dim: color-mix(in srgb, var(--seed-primary) 18%, transparent);
  --primary-glow: color-mix(in srgb, var(--seed-primary) 30%, transparent);
  --warn: var(--seed-accent);
  --warn-dim: color-mix(in srgb, var(--seed-accent) 15%, transparent);
  --ok: #34d399;
  --ok-dim: color-mix(in srgb, #34d399 14%, transparent);
  --danger: #f87171;
  --danger-dim: color-mix(in srgb, #f87171 14%, transparent);
  --radius: var(--seed-radius);
  --radius-sm: calc(var(--seed-radius) * 0.6);
  --radius-lg: calc(var(--seed-radius) * 1.4);

  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: "Cascadia Code", "Fira Code", "SF Mono", "JetBrains Mono", Consolas, monospace;

  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 20px; --sp-6: 24px;
  --toolbar-h: 54px;
  --statusbar-h: 42px;
}

/* ═══════════════════════ RESET & BASE ═══════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: var(--font-body);
  background: var(--bg-root);
  color: var(--fg);
  line-height: 1.5;
  height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-rows: var(--toolbar-h) 1fr var(--statusbar-h);
}
/* ambient grid texture */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(color-mix(in srgb, var(--seed-primary) 3%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--seed-primary) 3%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 20%, transparent 80%);
}
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--fg-dim); }

button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select { font: inherit; color: inherit; }
label { display: block; }

/* ═══════════════════════ TOOLBAR ═══════════════════════ */
.toolbar {
  grid-row: 1;
  grid-column: 1;
  position: relative; z-index: 10;
  display: flex; align-items: center; gap: var(--sp-4);
  padding: 0 var(--sp-5);
  background: linear-gradient(90deg, color-mix(in srgb, var(--seed-primary) 7%, var(--bg-panel)), var(--bg-panel) 42%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
}
.toolbar-brand {
  display: flex; align-items: center; gap: var(--sp-3);
  font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em;
  white-space: nowrap;
}
.toolbar-brand svg { flex-shrink: 0; }
.toolbar-brand .sub {
  font-size: 0.72rem; font-weight: 400; color: var(--fg-muted);
  letter-spacing: 0.08em; text-transform: uppercase;
  font-family: var(--font-mono);
}
.toolbar-sep { width: 1px; height: 26px; background: var(--border-strong); flex-shrink: 0; }

.conn-group { display: flex; align-items: center; gap: var(--sp-2); }
.conn-ip-label {
  font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--fg-muted); padding: 4px 8px;
  background: var(--bg-root); border: 1px solid var(--border);
  border-radius: var(--radius-sm); letter-spacing: 0.02em;
  min-width: 7.5em;
}
.toolbar-right a.btn {
  text-decoration: none; color: var(--fg-muted);
  border-color: var(--border-strong);
}
.toolbar-right a.btn:hover { color: var(--primary); border-color: color-mix(in srgb, var(--seed-primary) 40%, transparent); }
/* 电机页主题 .btn —— 与 layout.css 共享 chrome 刻意分离（页面级覆盖），勿抄进 components */
.btn {

  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: var(--radius-sm);
  font-size: 0.85rem; font-weight: 550; letter-spacing: 0.02em;
  border: 1px solid var(--border-strong);
  background: var(--bg-raised);
  transition: background .15s, border-color .15s, transform .1s;
  white-space: nowrap;
}
.btn:hover { background: color-mix(in srgb, var(--seed-surface) 60%, #ffffff 8%); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: color-mix(in srgb, var(--seed-primary) 16%, var(--seed-surface));
  border-color: color-mix(in srgb, var(--seed-primary) 40%, transparent);
  color: var(--primary);
}
.btn-primary:hover { background: color-mix(in srgb, var(--seed-primary) 24%, var(--seed-surface)); }
.btn-danger {
  background: var(--danger-dim); border-color: color-mix(in srgb, var(--danger) 40%, transparent);
  color: var(--danger);
}
.btn-sm { padding: 4px 10px; font-size: 0.78rem; }
.btn:disabled { opacity: .4; pointer-events: none; }

.led {
  width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0;
  background: var(--fg-dim); transition: background .3s, box-shadow .3s;
}
.led-on { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.led-warn { background: var(--warn); box-shadow: 0 0 6px var(--warn); }
.led-err { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
.led-pulse { animation: ledPulse 1.2s ease-in-out infinite; }
@keyframes ledPulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.ch-select {
  padding: 5px 8px; background: var(--bg-root);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 0.82rem; outline: none;
}
.ch-select:focus { border-color: var(--primary); }
/* 轮询卡顿：通道下拉框变黄并呼吸发光（fixed-tick 下某拍未按时完成） */
.ch-select.stuck {
  border-color: color-mix(in srgb, var(--warn) 65%, transparent);
  animation: stuckPulse 1.2s ease-in-out infinite;
}
@keyframes stuckPulse {
  0%, 100% { box-shadow: 0 0 2px color-mix(in srgb, var(--warn) 15%, transparent); }
  50% { box-shadow: 0 0 10px color-mix(in srgb, var(--warn) 40%, transparent); }
}

/* 刷新速度输入框：与 .ch-select 同风格，宽度收窄 */
.refresh-input {
  width: 64px; padding: 5px 6px; background: var(--bg-root);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 0.82rem; outline: none;
  text-align: center;
}
.refresh-input:focus { border-color: var(--primary); }
.refresh-input::-webkit-inner-spin-button { opacity: .5; }
.refresh-hint { font-size: .68rem; color: var(--fg-dim); font-family: var(--font-mono); letter-spacing: .04em; }

.toolbar-right { margin-left: auto; display: flex; align-items: center; gap: var(--sp-3); }
.node-badge {
  font-family: var(--font-mono); font-size: 0.8rem;
  padding: 4px 12px; border-radius: 99px;
  background: var(--primary-dim); color: var(--primary);
  border: 1px solid color-mix(in srgb, var(--seed-primary) 30%, transparent);
  letter-spacing: 0.02em;
}

/* ═══════════════════════ MAIN LAYOUT ═══════════════════════ */
.main-grid {
  grid-row: 2;
  grid-column: 1;
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: minmax(240px, 290px) minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: var(--sp-3);
  padding: var(--sp-3);
  overflow: hidden;
  min-height: 0;
}
.panel {
  background: linear-gradient(145deg, color-mix(in srgb, var(--bg-panel) 94%, #ffffff 3%), var(--bg-panel) 52%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column;
  min-height: 0; overflow: hidden;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .16), inset 0 1px 0 rgba(255, 255, 255, .025);
}
.panel-head {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  background: linear-gradient(90deg, var(--primary-dim), transparent 48%);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.panel-title {
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-muted); font-family: var(--font-mono);
}
.panel-body { flex: 1; overflow-y: auto; min-height: 0; }

/* ═══════════════════════ LEFT: NODE LIST ═══════════════════════ */
.node-list { padding: var(--sp-2); display: flex; flex-direction: column; gap: var(--sp-2); }
.node-empty { padding: var(--sp-5); text-align: center; color: var(--fg-dim); font-size: .8rem; line-height: 1.7; }
.node-card {
  position: relative;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-root);
  cursor: pointer;
  transition: border-color .2s, background .2s, transform .12s;
}
.node-card:hover { border-color: var(--border-strong); transform: translateX(2px); }
.node-card.active {
  border-color: color-mix(in srgb, var(--seed-primary) 55%, transparent);
  background: color-mix(in srgb, var(--seed-primary) 6%, var(--bg-root));
}
.node-card.fault { border-color: color-mix(in srgb, var(--danger) 55%, transparent); }
.node-card.fault.active { border-color: var(--danger); }
.node-card.offline { opacity: .5; }
/* 独立 BOOT 徽章：总线上有电机在 Bootloader（0x103 心跳），不归属任何 Nx
 * 注意：不要用内联 style="display:none"，否则 .show 的 display:flex 盖不过。 */
.boot-badge {
  display: none; align-items: center; gap: var(--sp-2);
  margin-bottom: var(--sp-2); padding: var(--sp-2) var(--sp-3);
  border: 1px solid color-mix(in srgb, var(--warn) 55%, transparent);
  border-radius: var(--radius); background: color-mix(in srgb, var(--warn) 12%, transparent);
  font-family: var(--font-mono); font-size: .72rem; color: var(--warn);
  font-weight: 600; letter-spacing: 0.02em;
}
.boot-badge.show { display: flex; }
.boot-badge .boot-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  background: var(--warn); box-shadow: 0 0 6px var(--warn);
  animation: bootpulse 1s ease-in-out infinite;
}
.boot-badge .boot-sub { opacity: .75; font-weight: 400; margin-left: auto; }
@keyframes bootpulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.nc-top { display: flex; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-2); }
.nc-id {
  font-family: var(--font-mono); font-weight: 700; font-size: 1.05rem;
  letter-spacing: -0.02em; min-width: 2.2em;
}
.nc-mode {
  font-size: 0.7rem; padding: 2px 8px; border-radius: 99px;
  background: var(--primary-dim); color: var(--primary);
  font-weight: 550; letter-spacing: 0.02em;
}
.nc-mode.mode-off { background: color-mix(in srgb, var(--fg) 8%, transparent); color: var(--fg-muted); }
.nc-mode.mode-fault { background: var(--danger-dim); color: var(--danger); }
/* 节点在其他通道在线：橙色通道标签，提示切换顶部通道查看 */
.nc-mode.mode-other-ch { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.nc-status-text {
  margin-left: auto; font-size: 0.68rem; color: var(--fg-muted);
  font-family: var(--font-mono); max-width: 7.5em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  letter-spacing: 0.01em;
}
.node-card.fault .nc-status-text { color: var(--danger); font-weight: 600; }
.nc-readings {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-1);
  font-family: var(--font-mono); font-size: 0.78rem;
}
.nc-reading { display: flex; flex-direction: column; gap: 1px; }
.nc-reading .lbl { font-size: 0.62rem; color: var(--fg-dim); letter-spacing: 0.06em; text-transform: uppercase; }
.nc-reading .val { color: var(--fg); transition: color .3s; }
.nc-faults {
  position: absolute; top: var(--sp-2); right: var(--sp-2);
  display: flex; gap: 3px;
}
.fault-dot {
  width: 7px; height: 7px; border-radius: 2px;
  background: var(--danger); opacity: .9;
  animation: ledPulse 1s ease-in-out infinite;
}
.fault-dot:nth-child(2) { animation-delay: .2s; }
.fault-dot:nth-child(3) { animation-delay: .4s; }

/* ═══════════════════════ CENTER: CONTROL ═══════════════════════ */
.center-panel { display: flex; flex-direction: column; min-height: 0; }
.cmd-section { padding: var(--sp-4); flex-shrink: 0; }
.cmd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-4);
}
.field { display: flex; flex-direction: column; gap: var(--sp-1); }
.field-label {
  font-size: 0.72rem; font-weight: 550; color: var(--fg-muted);
  letter-spacing: 0.06em; text-transform: uppercase; font-family: var(--font-mono);
}
.field-unit { color: var(--fg-dim); text-transform: none; letter-spacing: 0; }
.field select, .field input[type="number"], .field input[type="text"] {
  padding: 7px 10px; background: var(--bg-root);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 0.88rem; outline: none;
  transition: border-color .2s;
  width: 100%;
}
.field select:focus, .field input:focus { border-color: var(--primary); }
.mode-desc {
  font-size: 0.75rem; color: var(--fg-dim); margin-top: 2px;
  min-height: 1.2em;
}
.pid-group {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3);
}
/* 快捷运行：一键写目标值并立即发送（目标字段随控制模式联动） */
.quick-run {
  display: flex; align-items: center; gap: var(--sp-3);
  margin-top: var(--sp-4); flex-wrap: wrap;
}
.qr-label {
  font-size: 0.72rem; font-weight: 550; color: var(--fg-muted);
  letter-spacing: 0.06em; text-transform: uppercase; font-family: var(--font-mono);
  user-select: none;
}
.qr-target { color: var(--fg-dim); text-transform: none; letter-spacing: 0; }
.qr-btns { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.qr-btn {
  min-width: 52px; padding: 6px 12px;
  background: var(--bg-root); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); color: var(--fg);
  font-family: var(--font-mono); font-size: 0.88rem; font-weight: 600;
  cursor: pointer; transition: border-color .15s, color .15s, background .15s;
}
.qr-btn:hover { border-color: var(--primary); color: var(--primary); }
.qr-btn:active { transform: translateY(1px); }
.qr-btn:focus-visible { outline: none; border-color: var(--primary); }

.cmd-actions {
  display: flex; gap: var(--sp-3); margin-top: var(--sp-4);
  padding-top: var(--sp-3); border-top: 1px solid var(--border);
  align-items: center; flex-wrap: wrap;
}
.send-hint { font-size: 0.72rem; color: var(--fg-dim); margin-left: auto; font-family: var(--font-mono); }
.target-hidden { display: none !important; }
.repeat-period {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--fg-muted);
  user-select: none;
}
.repeat-period input {
  width: 4.6em; padding: 5px 6px; background: var(--bg-root);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--fg);
  outline: none; text-align: right; transition: border-color .2s;
}
.repeat-period input:focus { border-color: var(--primary); }

/* tabs */
.tabs-bar {
  display: flex; gap: 2px; padding: 0 var(--sp-4);
  border-top: 1px solid var(--border); flex-shrink: 0;
  background: color-mix(in srgb, var(--bg-root) 50%, var(--bg-panel));
}
.tab-btn {
  padding: 9px 16px; font-size: 0.8rem; font-weight: 550;
  color: var(--fg-muted); border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s; letter-spacing: 0.02em;
}
.tab-btn:hover { color: var(--fg); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
/* 当前链路不支持的页签（如 EtherCAT 下的电机 OTA）：置灰但保留可见，
   悬浮 title 说明怎么才能用 —— 直接隐藏会让人以为功能被删了。 */
.tab-btn.tab-disabled {
  color: var(--fg-dim, #666); cursor: not-allowed; opacity: .55;
}
.tab-btn.tab-disabled:hover { color: var(--fg-dim, #666); }
.tab-content { flex: 1; overflow-y: auto; min-height: 0; padding: var(--sp-4); }
.tab-page { display: none; }
.tab-page.active { display: block; }

/* config tab */
.config-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--sp-3); }
.config-btn {
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-2);
  padding: var(--sp-4); border-radius: var(--radius);
  border: 1px solid var(--border-strong); background: var(--bg-root);
  transition: border-color .2s, background .2s, transform .1s;
}
.config-btn:hover { border-color: var(--fg-dim); transform: translateY(-1px); }
.config-btn:active { transform: translateY(1px); }
.config-btn svg { opacity: .8; }
.config-btn .cb-name { font-size: 0.82rem; font-weight: 550; }
.config-btn .cb-sig { font-size: 0.68rem; color: var(--fg-dim); font-family: var(--font-mono); }
.config-btn.danger-action:hover { border-color: color-mix(in srgb, var(--danger) 50%, transparent); }

/* version tab */
.version-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.ver-card {
  padding: var(--sp-4); border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--bg-root); text-align: center;
}
.ver-card .ver-type { font-size: 0.68rem; color: var(--fg-muted); letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-mono); margin-bottom: var(--sp-2); }
.ver-card .ver-date { font-family: var(--font-mono); font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
.ver-empty { color: var(--fg-dim); font-size: 0.85rem; }

/* node id tab */
.nodeid-row { display: flex; gap: var(--sp-3); align-items: flex-end; flex-wrap: wrap; }
.nodeid-result {
  margin-top: var(--sp-3); padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm); background: var(--bg-root);
  border: 1px solid var(--border); font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--fg-muted); min-height: 2.6em;
}

/* OTA tab */
.ota-stages {
  display: flex; gap: 0; margin-bottom: var(--sp-4); overflow-x: auto;
  padding-bottom: var(--sp-1);
}
.ota-stage {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.72rem; color: var(--fg-dim); white-space: nowrap;
  position: relative;
}
.ota-stage::after {
  content: ""; width: 20px; height: 1px; background: var(--border-strong);
  margin-left: var(--sp-2); flex-shrink: 0;
}
.ota-stage:last-child::after { display: none; }
.ota-stage .st-dot {
  width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0;
  border: 1.5px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.62rem;
  transition: border-color .3s, background .3s, color .3s;
}
.ota-stage.done .st-dot { border-color: var(--ok); background: var(--ok-dim); color: var(--ok); }
.ota-stage.current .st-dot { border-color: var(--primary); background: var(--primary-dim); color: var(--primary); animation: ledPulse 1.4s infinite; }
.ota-stage.current { color: var(--fg); }
.ota-stage.done { color: var(--fg-muted); }
.ota-progress-wrap { margin-bottom: var(--sp-4); }
.ota-progress-bar {
  height: 8px; border-radius: 4px; background: var(--bg-root);
  border: 1px solid var(--border); overflow: hidden;
}
.ota-progress-fill {
  height: 100%; width: 0%; border-radius: 4px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--seed-primary) 70%, var(--bg-root)), var(--primary));
  transition: width .3s ease;
}
.ota-stats {
  display: flex; gap: var(--sp-5); margin-top: var(--sp-2);
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--fg-muted);
  flex-wrap: wrap;
}
.ota-stats .hl { color: var(--primary); }
.ota-file-row { display: flex; gap: var(--sp-3); align-items: center; margin-bottom: var(--sp-4); flex-wrap: wrap; }
.ota-file-name { font-family: var(--font-mono); font-size: 0.8rem; color: var(--fg-muted); }
.ota-log {
  margin-top: var(--sp-3); padding: var(--sp-3);
  background: var(--bg-root); border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-family: var(--font-mono);
  font-size: 0.72rem; line-height: 1.7; color: var(--fg-muted);
  max-height: 160px; overflow-y: auto;
}
.ota-log .log-ok { color: var(--ok); }
.ota-log .log-err { color: var(--danger); }
.ota-log .log-info { color: var(--primary); }
.ota-log-toolbar {
  display: flex; justify-content: flex-end; gap: 6px;
  margin-top: var(--sp-3); margin-bottom: -2px;
}
.ota-log-toolbar button {
  font-size: 0.68rem; padding: 2px 8px;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg-card); color: var(--fg-muted);
  cursor: pointer; transition: background .15s, color .15s;
}
.ota-log-toolbar button:hover { background: rgba(255,255,255,.08); color: var(--fg); }
.ota-log-toolbar button.copied { background: rgba(34,197,94,.18); color: #86efac; }

/* ═══════════════════════ RIGHT: STATUS PANEL ═══════════════════════ */
.status-panel .panel-body { padding: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-4); }
.big-readings { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.big-reading {
  padding: var(--sp-3) var(--sp-3); text-align: center;
  background: var(--bg-root); border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .3s, background .2s;
  cursor: pointer; position: relative;
}
.big-reading:hover { border-color: var(--border-strong); background: color-mix(in srgb, var(--seed-primary) 4%, var(--bg-root)); }
.big-reading.open { border-color: color-mix(in srgb, var(--seed-primary) 50%, transparent); }
.br-toggle {
  font-size: 0.55rem; color: var(--fg-dim); letter-spacing: 0.06em;
  opacity: 0; transition: opacity .2s, color .2s; margin-left: 4px;
}
.big-reading:hover .br-toggle { opacity: .8; }
.big-reading.open .br-toggle { opacity: 1; color: var(--primary); }
.br-scope {
  max-height: 0; overflow: hidden; margin-top: 0;
  transition: max-height .35s cubic-bezier(.4,0,.2,1), margin-top .35s;
}
.big-reading.open .br-scope { max-height: 96px; margin-top: var(--sp-2); }
.br-scope canvas {
  width: 100%; height: 84px; display: block;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--seed-bg) 78%, #000000 14%);
  border: 1px solid var(--border);
}
.big-reading .br-val {
  font-family: var(--font-mono); font-size: clamp(1.5rem, 2vw, 2.4rem);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.2;
  transition: color .25s;
}
.big-reading .br-val.flash { color: var(--primary); }
.big-reading .br-unit { font-size: 0.65rem; color: var(--fg-dim); font-family: var(--font-mono); }
.big-reading .br-lbl {
  font-size: 0.62rem; color: var(--fg-muted); margin-top: 2px;
  letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-mono);
}
.big-reading .br-target {
  font-size: 0.65rem; color: var(--fg-dim); font-family: var(--font-mono); margin-top: 1px;
}
.big-reading .br-target span { color: var(--primary); font-weight: 600; }
.big-reading .br-target span:empty::before { content: "--"; color: var(--fg-dim); }
.status-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
.temp-block {
  padding: var(--sp-3); background: var(--bg-root); border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .3s, background .2s; cursor: pointer;
}
.temp-block:hover { border-color: var(--border-strong); background: color-mix(in srgb, var(--seed-primary) 4%, var(--bg-root)); }
.temp-block.open { border-color: color-mix(in srgb, var(--seed-primary) 50%, transparent); }
.temp-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--sp-2); }
.temp-name { font-size: 0.68rem; color: var(--fg-muted); letter-spacing: 0.06em; text-transform: uppercase; font-family: var(--font-mono); }
.temp-toggle {
  font-size: 0.55rem; color: var(--fg-dim); letter-spacing: 0.06em;
  opacity: 0; transition: opacity .2s, color .2s; margin-left: 6px;
}
.temp-block:hover .temp-toggle { opacity: .8; }
.temp-block.open .temp-toggle { opacity: 1; color: var(--primary); }
.temp-val { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 600; }
.temp-bar { height: 5px; border-radius: 3px; background: var(--border); overflow: hidden; }
.temp-block .br-scope { max-height: 0; overflow: hidden; margin-top: 0; transition: max-height .35s cubic-bezier(.4,0,.2,1), margin-top .35s; }
.temp-block.open .br-scope { max-height: 80px; margin-top: var(--sp-2); }
.temp-block .br-scope canvas { height: 68px; }
.temp-fill {
  height: 100%; border-radius: 3px; transition: width .6s ease, background .6s;
  background: var(--ok);
}
.temp-fill.warm { background: var(--warn); }
.temp-fill.hot { background: var(--danger); }
.phase-currents { padding: var(--sp-3); background: var(--bg-root); border: 1px solid var(--border); border-radius: var(--radius); }
.pc-head { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2); margin-bottom: var(--sp-2); flex-wrap: wrap; }
.pc-title { font-size: 0.68rem; color: var(--fg-muted); letter-spacing: 0.06em; text-transform: uppercase; font-family: var(--font-mono); }
.pc-live-vals { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.pc-chip {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-muted);
  padding: 2px 8px; border-radius: 99px;
  background: color-mix(in srgb, var(--ch-color) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--ch-color) 30%, transparent);
}
.pc-chip b { color: var(--ch-color); font-weight: 600; min-width: 4.2em; text-align: right; }
.scope-wrap { position: relative; height: 172px; border-radius: var(--radius-sm); overflow: hidden; background: color-mix(in srgb, var(--seed-bg) 80%, #000000 12%); border: 1px solid var(--border); }
.scope-wrap canvas { width: 100%; height: 100%; display: block; }
.scope-grid-labels {
  position: absolute; left: 6px; top: 0; bottom: 0;
  display: flex; flex-direction: column; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.58rem; color: var(--fg-dim);
  padding: 4px 0; pointer-events: none;
}
.misc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }
.misc-item {
  padding: var(--sp-3); background: var(--bg-root);
  border: 1px solid var(--border); border-radius: var(--radius);
  display: flex; flex-direction: column; gap: 2px;
}
.misc-item .mi-lbl { font-size: 0.62rem; color: var(--fg-muted); letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-mono); }
.misc-item .mi-val { font-family: var(--font-mono); font-size: 1rem; font-weight: 600; }
.flag-lights { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--sp-2); padding: var(--sp-3); background: var(--bg-root); border: 1px solid var(--border); border-radius: var(--radius); }
.flag-item {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: 0.75rem; font-family: var(--font-mono); color: var(--fg-muted);
  padding: var(--sp-2) var(--sp-3); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--seed-surface) 60%, transparent);
  transition: background .3s, border-color .3s, color .3s, box-shadow .3s;
}
.flag-item .flag-state { margin-left: auto; font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase; opacity: .7; }
.flag-item.is-ok { border-color: color-mix(in srgb, var(--ok) 25%, transparent); }
.flag-item.is-ok .flag-state { color: var(--ok); }
.flag-item.is-fault {
  background: color-mix(in srgb, var(--danger) 16%, var(--seed-bg));
  border-color: color-mix(in srgb, var(--danger) 65%, transparent);
  color: var(--danger); font-weight: 700;
  box-shadow: 0 0 12px color-mix(in srgb, var(--danger) 25%, transparent), inset 0 0 8px color-mix(in srgb, var(--danger) 8%, transparent);
  animation: faultPulse 1.1s ease-in-out infinite;
}
.flag-item.is-fault .flag-state { color: var(--danger); opacity: 1; }
@keyframes faultPulse {
  0%, 100% { box-shadow: 0 0 12px color-mix(in srgb, var(--danger) 30%, transparent), inset 0 0 8px color-mix(in srgb, var(--danger) 10%, transparent); }
  50% { box-shadow: 0 0 22px color-mix(in srgb, var(--danger) 50%, transparent), inset 0 0 12px color-mix(in srgb, var(--danger) 16%, transparent); }
}
.flag-led { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); transition: background .3s, box-shadow .3s; flex-shrink: 0; }
.flag-led.on-ok { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.flag-led.on-err { background: var(--danger); box-shadow: 0 0 8px var(--danger); animation: ledPulse .8s infinite; }
.cpu-ring-wrap { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-3); background: var(--bg-root); border: 1px solid var(--border); border-radius: var(--radius); }
.cpu-ring { position: relative; width: 52px; height: 52px; flex-shrink: 0; }
.cpu-ring svg { transform: rotate(-90deg); }
.cpu-ring .ring-bg { fill: none; stroke: var(--border); stroke-width: 5; }
.cpu-ring .ring-fg { fill: none; stroke: var(--primary); stroke-width: 5; stroke-linecap: round; transition: stroke-dashoffset .6s ease; }
.cpu-pct {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
}
.cpu-info { display: flex; flex-direction: column; gap: 2px; }
.cpu-info .mi-lbl { font-size: 0.62rem; color: var(--fg-muted); letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-mono); }
.cpu-info .mi-sub { font-size: 0.72rem; color: var(--fg-dim); font-family: var(--font-mono); }
.offline-overlay {
  display: none; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--sp-3); padding: var(--sp-6); color: var(--fg-dim); text-align: center;
}
.offline-overlay.show { display: flex; }
.offline-overlay .off-icon { opacity: .4; }
.status-live { display: flex; flex-direction: column; gap: var(--sp-4); }
.status-live.hide { display: none; }

/* ═══════════════════════ STATUS BAR ═══════════════════════ */
.statusbar {
  grid-row: 3;
  grid-column: 1;
  position: relative; z-index: 10;
  display: flex; align-items: center; gap: var(--sp-4);
  padding: 0 var(--sp-5);
  background: color-mix(in srgb, var(--bg-panel) 92%, #000000 8%);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-muted);
  overflow: hidden;
}
.sb-item { display: flex; align-items: center; gap: var(--sp-2); white-space: nowrap; }
.sb-item .sb-val { color: var(--fg); }
.sb-sep { width: 1px; height: 16px; background: var(--border); flex-shrink: 0; }
.sb-last-send { margin-left: auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 40%; color: var(--fg-dim); }

/* ═══════════════════════ TOAST & MODAL ═══════════════════════ */
/* 电机页堆叠 Toast 容器 —— 与 components.css 居中 Toast 是两套 UI，勿合并。 */
.toast-container {

  position: fixed; bottom: 60px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: var(--sp-2); z-index: 1000;
  pointer-events: none;
}
.toast {
  padding: 10px 20px; border-radius: var(--radius);
  background: var(--bg-raised); border: 1px solid var(--border-strong);
  font-size: 0.82rem; box-shadow: 0 8px 32px rgba(0,0,0,.5);
  animation: toastIn .25s ease;
  display: flex; align-items: center; gap: var(--sp-2);
  max-width: 80vw;
}
.toast.ok { border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.toast.err { border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.toast.warn { border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.toast.out { animation: toastOut .2s ease forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(6px); } }

.modal-mask {
  position: fixed; inset: 0; z-index: 900;
  background: rgba(4, 8, 14, .75);
  display: none; align-items: center; justify-content: center;
}
.modal-mask.show { display: flex; }
.modal-box {
  background: var(--bg-panel); border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg); padding: var(--sp-6);
  min-width: 320px; max-width: 420px;
  box-shadow: 0 24px 64px rgba(0,0,0,.6);
  animation: toastIn .2s ease;
}
.modal-title { font-size: 1rem; font-weight: 600; margin-bottom: var(--sp-2); }
.modal-desc { font-size: 0.82rem; color: var(--fg-muted); margin-bottom: var(--sp-5); line-height: 1.6; }
.modal-actions { display: flex; gap: var(--sp-3); justify-content: flex-end; }

/* disconnected banner */
.net-banner {
  display: none; grid-row: 1; grid-column: 1;
  align-self: end; transform: translateY(100%); z-index: 20;
  align-items: center; gap: var(--sp-2);
  padding: 4px var(--sp-5); font-size: .72rem; font-family: var(--font-mono);
  background: linear-gradient(90deg, color-mix(in srgb, var(--danger) 20%, var(--bg-panel)), var(--danger-dim)); color: var(--danger);
  border-bottom: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .24);
}
.net-banner.show { display: flex; }
body:has(.net-banner.show) .main-grid { padding-top: calc(var(--sp-3) + 29px); }

/* ═══════════════════════ 命令序列 tab ═══════════════════════ */
.seq-toolbar { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-4); }
.seq-status { font-family: var(--font-mono); font-size: 0.78rem; color: var(--fg-dim); margin-left: auto; white-space: nowrap; }
.seq-status.on { color: var(--primary); }
.seq-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.seq-empty {
  padding: var(--sp-5); text-align: center; color: var(--fg-dim); font-size: 0.8rem;
  border: 1px dashed var(--border-strong); border-radius: var(--radius); line-height: 1.7;
}
.seq-step {
  padding: var(--sp-3); border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--bg-root);
  transition: border-color .2s, background .2s;
}
.seq-step:hover { border-color: var(--border-strong); }
.seq-step.current {
  border-color: color-mix(in srgb, var(--seed-primary) 55%, transparent);
  background: color-mix(in srgb, var(--seed-primary) 5%, var(--bg-root));
}
.seq-step.sending {
  border-color: color-mix(in srgb, var(--ok) 55%, transparent);
  background: color-mix(in srgb, var(--ok) 5%, var(--bg-root));
}
.seq-locked .seq-step { opacity: .55; pointer-events: none; }
.seq-step-head { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; margin-bottom: var(--sp-2); }
.seq-idx { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600; color: var(--primary); min-width: 4.2em; }
.seq-num {
  padding: 4px 8px; background: var(--bg-root);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 0.78rem; outline: none; color: var(--fg);
  transition: border-color .2s;
}
.seq-num:focus { border-color: var(--primary); }
/* 隐藏原生上下箭头（样式丑且尺寸不可控）：数值直接键入，聚焦后可用键盘 ↑↓ 微调 */
.seq-num { -moz-appearance: textfield; appearance: textfield; }
.seq-num::-webkit-inner-spin-button,
.seq-num::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.seq-step-head .seq-num { width: 6.8em; text-align: right; }
.seq-step-head select {
  padding: 4px 8px; background: var(--bg-root);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 0.78rem; outline: none; color: var(--fg);
}
.seq-step-head select:focus { border-color: var(--primary); }
.seq-hold-label, .seq-hold-unit { font-size: 0.68rem; color: var(--fg-dim); font-family: var(--font-mono); }
.seq-ops { margin-left: auto; display: flex; gap: 2px; }
.seq-ops button {
  width: 26px; height: 26px; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-dim); background: transparent; border: none;
  transition: background .15s, color .15s;
}
.seq-ops button svg { flex-shrink: 0; }
.seq-ops button:hover:not(:disabled) { background: var(--primary-dim); color: var(--primary); }
.seq-ops button.seq-send-one { color: var(--ok); }
.seq-ops button.seq-send-one:hover:not(:disabled) { background: var(--ok-dim); color: var(--ok); }
.seq-ops button.seq-del:hover:not(:disabled) { background: var(--danger-dim); color: var(--danger); }
.seq-ops button:disabled { opacity: .25; cursor: default; }
/* 拖动把手：按住上下换位（取代旧的上移/下移按钮），聚焦后 ↑↓ 方向键同样可移 */
.seq-grip {
  flex-shrink: 0; width: 18px; height: 26px; margin-left: -4px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-dim); border-radius: var(--radius-sm);
  cursor: grab; user-select: none; -webkit-user-select: none; touch-action: none;
  transition: background .15s, color .15s;
}
.seq-grip:hover { color: var(--primary); background: var(--primary-dim); }
.seq-grip:active { cursor: grabbing; }
.seq-grip:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
.seq-grip svg { pointer-events: none; }
/* 折叠：默认摘要不显示；折叠行收起动作组、只留头部 + 一行功能摘要 */
.seq-fold svg { transition: transform .15s; }
.seq-step:not(.collapsed) .seq-fold svg { transform: rotate(90deg); }
.seq-summary {
  display: none; font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.seq-sum-sep { color: var(--border-strong); margin: 0 var(--sp-2); }
.seq-sum-more { color: var(--fg-dim); margin-left: var(--sp-2); }
.seq-step.collapsed { padding: 6px var(--sp-3); }
.seq-step.collapsed .seq-step-head { margin-bottom: 0; }
.seq-step.collapsed .seq-actions { display: none; }
.seq-step.collapsed .seq-summary { display: block; margin-top: 2px; }
/* 拖拽中：整表（含被拖行）临时收成单行，腾出空间便于看清插入位置 */
.seq-list.dragging { gap: var(--sp-2); user-select: none; }
.seq-list.dragging .seq-step { padding: 6px var(--sp-3); }
.seq-list.dragging .seq-step-head { margin-bottom: 0; }
.seq-list.dragging .seq-actions { display: none; }
.seq-list.dragging .seq-summary { display: block; margin-top: 2px; }
.seq-step.drag-src { opacity: .45; border-style: dashed; border-color: var(--primary); }
.seq-step-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: var(--sp-2); }
.seq-step-fields .field-label { font-size: 0.62rem; }
.seq-step-fields .seq-num { width: 100%; }
/* 动作组：一步内多个电机动作（近同时下发），动作行嵌套在步骤卡片内 */
.seq-count {
  font-family: var(--font-mono); font-size: 0.68rem; color: var(--fg-dim);
  padding: 2px 8px; border: 1px solid var(--border); border-radius: 999px; white-space: nowrap;
}
.seq-actions { display: flex; flex-direction: column; gap: var(--sp-2); }
.seq-action {
  padding: var(--sp-2) var(--sp-3); border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-panel);
}
.seq-action-head { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; margin-bottom: var(--sp-2); }
.seq-action-tag { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600; color: var(--fg-muted); min-width: 4.2em; }
.seq-action-head select {
  padding: 4px 8px; background: var(--bg-root);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 0.78rem; outline: none; color: var(--fg);
}
.seq-action-head select:focus { border-color: var(--primary); }
.seq-hint { margin-top: var(--sp-4); font-size: 0.72rem; color: var(--fg-dim); line-height: 1.6; }

/* ═══════════════════════ RESPONSIVE ═══════════════════════ */
@media (max-width: 1365px) {
  .main-grid {
    grid-template-columns: 1fr minmax(380px, 1.1fr);
    grid-template-rows: auto 1fr;
  }
  .nodes-panel {
    grid-column: 1 / -1; grid-row: 1;
  }
  .nodes-panel .panel-body { overflow-x: auto; overflow-y: hidden; }
  .node-list { flex-direction: row; min-width: max-content; }
  .node-card { min-width: 200px; }
  .center-panel { grid-column: 1; grid-row: 2; }
  .status-panel { grid-column: 2; grid-row: 2; }
}
@media (max-width: 900px) {
  .main-grid { grid-template-columns: 1fr; grid-template-rows: auto 1fr auto; }
  .center-panel { grid-column: 1; grid-row: 2; }
  .status-panel { grid-column: 1; grid-row: 3; max-height: 380px; }
  .toolbar { flex-wrap: wrap; height: auto; padding: var(--sp-2) var(--sp-4); }
  body { grid-template-rows: auto 1fr var(--statusbar-h); overflow: auto; }
}