/* ===== ESP32 OTA 控制台 — 工业调试台风格 ===== */

:root {
  --bg-root: #090e15;
  --bg-panel: #0f161f;
  --bg-card: #141d28;
  --bg-elevated: #1a2432;
  --bg-input: #0d131b;
  --border: #1d2a3a;
  --border-focus: #22d3ee;
  --text: #e2e8f0;
  --text-dim: #7b8fa8;
  --text-label: #5a6d82;
  --accent: #22d3ee;
  --accent-dim: rgba(34,211,238,.15);
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --font: "PingFang SC","Microsoft YaHei","Segoe UI",system-ui,sans-serif;
  --font-mono: "SF Mono","Fira Code","Cascadia Code","Consolas",monospace;
  --gap: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg-root);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* subtle noise-grid background */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.015) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 40%, transparent 70%);
}

.container {
  position: relative; z-index: 1;
  max-width: 1480px; margin: 0 auto; padding: 24px 32px 40px;
}

/* === HEADER — compact status bar === */
.header-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px; margin-bottom: 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}
.header-brand {
  display: flex; align-items: center; gap: 10px;
  padding-right: 20px; border-right: 1px solid var(--border);
  white-space: nowrap;
}
.header-brand .dot-mark {
  width: 10px; height: 10px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 8px var(--accent-dim);
  flex-shrink: 0;
}
.header-brand strong { font-size: 15px; font-weight: 700; }
.header-status {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 20px; font-size: 12px; font-weight: 500;
  background: var(--bg-elevated); border: 1px solid var(--border);
  white-space: nowrap;
}
.pill .indicator {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
}
.pill.online .indicator { background: var(--green); }
.pill.offline .indicator { background: var(--red); }
.pill.processing .indicator { background: var(--amber); animation: blink 1s infinite; }
.pill.idle .indicator { background: var(--text-dim); }
@keyframes blink { 50% { opacity: .35; } }

/* === MAIN LAYOUT === */
.main-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--gap);
  align-items: start;
}

/* === CARDS === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card + .card { margin-top: var(--gap); }
.card-head {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13px; font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase; letter-spacing: .06em;
}
.card-head .ico { font-size: 15px; }
.card-head-btn {
  margin-left: auto;
  padding: 4px 10px;
  position: relative;
  z-index: 2;
}
.card-body { padding: 16px 18px; }
.card.collapsed .card-body { display: none; }
.card-head { cursor: pointer; }
.card-head .collapse-arrow {
  margin-left: auto; font-size: 10px; opacity: .45;
  transition: transform .2s;
}
.card.collapsed .collapse-arrow { transform: rotate(-90deg); }

/* === FORM ELEMENTS === */
.form-row { margin-bottom: 14px; }
.form-row:last-child { margin-bottom: 0; }
.form-label {
  display: block; font-size: 11px; color: var(--text-label);
  text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px;
}
.input, select, textarea {
  width: 100%; padding: 10px 12px; font-size: 13px; font-family: inherit;
  background: var(--bg-input); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  outline: none; transition: border-color .15s;
}
.input:focus, select:focus, textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
select { cursor: pointer; }
select option { background: var(--bg-panel); color: var(--text); }
.input-group { display: flex; gap: 8px; }
.input-group .input { flex: 1; }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border: none; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: opacity .15s, transform .15s;
  font-family: inherit; white-space: nowrap;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--accent); color: #07121c; }
.btn-primary:hover:not(:disabled) { opacity: .88; }
.btn-success { background: var(--green); color: #051a0c; }
.btn-danger { background: var(--red); color: #fff; }
.btn-outline {
  background: transparent; color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-outline:hover:not(:disabled) { background: var(--bg-elevated); color: var(--text); }
.btn-ghost {
  background: transparent; color: var(--text-dim);
}
.btn-ghost:hover:not(:disabled) { background: var(--bg-elevated); color: var(--text); }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* === CONNECTION STATUS ROW === */
.conn-indicator {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-radius: var(--radius-sm);
  background: var(--bg-elevated); border: 1px solid var(--border);
  font-size: 13px; font-weight: 500;
}
.conn-indicator .light {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.conn-indicator.ok .light { background: var(--green); }
.conn-indicator.err .light { background: var(--red); }
.conn-indicator.warn .light { background: var(--amber); }

.helper-note {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-dim);
}
.helper-note.ok { border-color: rgba(34,197,94,.25); color: #b8f5cb; }
.helper-note.warn { border-color: rgba(245,158,11,.25); color: #fbd38d; }
.helper-note.err { border-color: rgba(239,68,68,.25); color: #fecaca; }
.helper-note code { color: #d7fbff; font-family: var(--font-mono); }

/* === UPLOAD ZONE === */
.upload-zone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 28px 16px; text-align: center; cursor: pointer;
  transition: border-color .2s, background .2s;
}
.upload-zone:hover,
.upload-zone.dragover { border-color: var(--accent); background: var(--accent-dim); }
.upload-zone .upload-ico { font-size: 32px; margin-bottom: 10px; }
.upload-zone h4 { font-size: 14px; margin-bottom: 4px; }
.upload-zone p { font-size: 12px; color: var(--text-dim); }
.upload-zone-sm { padding: 16px 12px; }
.upload-zone-sm .upload-ico { font-size: 24px; margin-bottom: 6px; }
.upload-zone-sm h4 { font-size: 13px; }

/* === FILE INFO === */
.file-info {
  display: none; margin-top: 12px;
  background: var(--bg-elevated); border-radius: var(--radius-sm); padding: 12px 14px;
}
.file-info.show { display: block; }
.file-info-row { display: flex; justify-content: space-between; align-items: center; }
.file-info-row + .file-info-row { margin-top: 10px; }
.file-info-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px;
}
.file-meta-item {
  background: var(--bg-card); padding: 8px 10px; border-radius: 6px;
  font-size: 12px;
}
.file-meta-item span { color: var(--text-label); display: block; font-size: 10px; margin-bottom: 2px; }
.file-meta-item b { font-weight: 600; }

/* === PROGRESS === */
.progress-phase-row {
  display: flex; align-items: center; gap: 0; margin-bottom: 14px;
  flex-wrap: nowrap;
  background: var(--bg-input);
  border-radius: 20px;
  padding: 4px;
  border: 1px solid var(--border);
}
.pp-step {
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: 5px;
  padding: 7px 10px; border-radius: 16px;
  font-size: 12px; font-weight: 600; color: var(--text-dim);
  background: transparent;
  transition: all .25s ease; white-space: nowrap;
  cursor: default;
}
.pp-ico { font-size: 13px; opacity: .45; transition: all .25s ease; }
.pp-txt { transition: color .25s ease; }
.pp-sep { display: none; }

/* Active step — highlighted capsule */
.pp-step.active {
  color: #07121c;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-dim);
}
.pp-step.active .pp-ico { opacity: 1; }
.pp-step.active .pp-txt { color: #07121c; }

/* Done step — green outlined capsule */
.pp-step.done {
  color: var(--green);
  background: rgba(34,197,94,.12);
}
.pp-step.done .pp-ico { opacity: 1; }
.pp-step.done .pp-txt::after {
  content: ' ✓'; font-size: 10px;
}

.progress-wrap { margin-top: 0; display: none; }
.progress-wrap.show { display: block; }
.progress-track {
  width: 100%; height: 10px; border-radius: 20px;
  background: var(--bg-input); overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.3);
}
.progress-fill {
  height: 100%; border-radius: 20px;
  background: linear-gradient(90deg, #22d3ee, #06b6d4);
  width: 0%; transition: width .3s ease;
  position: relative;
  box-shadow: 0 0 8px rgba(34,211,238,.3);
}
.progress-fill::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.3) 50%, transparent 100%);
  animation: sweep 1.6s linear infinite;
}
.progress-fill.done {
  background: linear-gradient(90deg, #22c55e, #16a34a);
  box-shadow: 0 0 8px rgba(34,197,94,.3);
}
@keyframes sweep { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
.progress-text {
  display: flex; justify-content: space-between; margin-top: 7px;
  font-size: 12px; color: var(--text-dim);
}

/* === BUTTON ROW === */
.btn-row { display: flex; gap: 10px; margin-top: 16px; }
.btn-row .btn { flex: 1; }

/* === METRIC GRID === */
.metric-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
}
.metric {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px;
}
.metric .k {
  font-size: 10px; color: var(--text-label); text-transform: uppercase;
  letter-spacing: .1em; margin-bottom: 4px;
}
.metric .v {
  font-size: 20px; font-weight: 700; word-break: break-word;
}
.metric .v.highlight { color: var(--accent); }

.status-kv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.status-kv {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}
.status-kv .k {
  display: block;
  font-size: 10px;
  color: var(--text-label);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 4px;
}
.status-kv b {
  display: block;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  word-break: break-word;
  font-family: var(--font-mono);
}
.status-section-title { margin-top: 14px; margin-bottom: 8px; font-size: 11px; color: var(--text-label); text-transform: uppercase; letter-spacing: .08em; }

/* ===== 堆概况 ===== */
.heap-group {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 10px;
}
.heap-group:last-child { margin-bottom: 0; }
.cpu-group { margin-bottom: 8px; }
.cpu-task-list {
  margin-bottom: 12px;
}
.cpu-task-list .status-task {
  background: rgba(255,255,255,0.025);
}
.cpu-fill {
  background: linear-gradient(90deg, #38bdf8, #22c55e);
}

.heap-group-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.heap-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.heap-bar-text {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  min-width: 165px;
  color: var(--text);
}

.heap-bar-track {
  flex: 1;
  height: 14px;
  background: rgba(255,255,255,0.06);
  border-radius: 7px;
  overflow: hidden;
  position: relative;
}

.heap-bar-fill {
  display: block;
  height: 100%;
  border-radius: 7px;
  background: linear-gradient(90deg, var(--accent), #5eead4);
  transition: width .4s ease;
.heap-bar-fill.warn {
  background: linear-gradient(90deg, #f59e0b, #d97706);
}
.heap-bar-fill.danger {
  background: linear-gradient(90deg, #ef4444, #dc2626);
}
}

.heap-bar-pct {
  font-size: 12px;
  font-weight: 600;
  min-width: 42px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
}

.heap-detail-row {
  display: flex;
  gap: 16px;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(255,255,255,0.04);
  flex-wrap: wrap;
}
.heap-detail-row span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.heap-detail-row b {
  color: var(--text);
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: 11px;
}

.status-task-list {
  display: grid;
  gap: 8px;
}
.status-task {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}
.status-task-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.status-task-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  font-family: var(--font-mono);
}
.status-task-ratio {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}
.status-task-bar {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: var(--bg-input);
  overflow: hidden;
  margin-bottom: 8px;
}
.status-task-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #22d3ee, #06b6d4);
}
.status-task-bar-fill.warn {
  background: linear-gradient(90deg, #f59e0b, #d97706);
}
.status-task-bar-fill.err {
  background: linear-gradient(90deg, #ef4444, #dc2626);
}
.status-task-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.status-task-meta span {
  display: block;
  font-size: 10px;
  color: var(--text-label);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.status-task-meta b {
  display: block;
  margin-top: 2px;
  color: var(--text);
  font-size: 11px;
  font-family: var(--font-mono);
}
.status-json {
  margin-top: 0;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.6;
  max-height: 280px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font-mono);
}
.status-empty {
  padding: 12px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 12px;
}

/* === PRIMARY STATUS BADGES (large) === */
.badge-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px;
}
.badge-stat {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; text-align: center;
}
.badge-stat .v {
  font-size: 22px; font-weight: 700;
}
.badge-stat .v.accent { color: var(--accent); }
.badge-stat .v.ok { color: var(--green); }
.badge-stat .v.warn { color: var(--amber); }
.badge-stat .v.err { color: var(--red); }
.badge-stat .k {
  font-size: 10px; color: var(--text-label); text-transform: uppercase;
  letter-spacing: .1em; margin-top: 2px;
}

/* === OTA STAGE FLOW === */
.stage-flow {
  display: flex; align-items: flex-start; gap: 0; padding: 8px 0;
}
.stage-node {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  gap: 6px; position: relative;
}
.stage-node:not(:last-child)::after {
  content: ""; position: absolute; top: 18px; left: calc(50% + 18px);
  width: calc(100% - 36px); height: 2px;
  background: var(--border); transition: background .3s;
}
.stage-node.done:not(:last-child)::after,
.stage-node.live:not(:last-child)::after { background: var(--accent); }
.stage-dot {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--bg-input); border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; z-index: 1; transition: all .3s;
}
.stage-node.live .stage-dot {
  background: var(--accent); border-color: var(--accent); color: #07121c;
  box-shadow: 0 0 12px var(--accent-dim);
}
.stage-node.done .stage-dot {
  background: var(--green); border-color: var(--green); color: #fff;
}
.stage-node.err .stage-dot {
  background: var(--red); border-color: var(--red); color: #fff;
}
.stage-label {
  font-size: 11px; color: var(--text-label); text-align: center; line-height: 1.3;
}
.stage-detail {
  font-size: 10px; color: var(--accent); text-align: center; line-height: 1.2;
  margin-top: 2px; min-height: 14px;
  font-family: var(--font-mono);
  transition: color .3s;
}
.stage-node.live .stage-label,
.stage-node.done .stage-label,
.stage-node.err .stage-label { color: var(--text); }
.stage-node.live .stage-detail { color: var(--accent); }
.stage-node.done .stage-detail { color: var(--green); }
.stage-node.err .stage-detail { color: var(--red); }

/* Stage status bar */
.stage-status-bar {
  display: flex; align-items: center; gap: 10px;
  margin-top: 14px; padding: 10px 16px;
  border-radius: 20px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  font-size: 13px;
  transition: all .3s;
}
.stage-status-bar .ssb-dot {
  width: 8px; height: 8px; border-radius: 50%;
  flex-shrink: 0;
  background: var(--text-dim);
  transition: all .3s;
}
.stage-status-bar .ssb-text {
  color: var(--text-dim); font-size: 13px; font-weight: 500;
  letter-spacing: .01em;
}
/* idle — muted, with subtle pulse */
.stage-status-bar .ssb-dot { animation: dotPulse 2.5s ease-in-out infinite; }
@keyframes dotPulse {
  0%, 100% { opacity: .45; }
  50% { opacity: .8; }
}
/* active — accent colored */
.stage-status-bar.active {
  border-color: rgba(34,211,238,.25);
  background: linear-gradient(135deg, rgba(34,211,238,.06), rgba(34,211,238,.02));
}
.stage-status-bar.active .ssb-dot {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-dim);
  animation: dotPulseLive 1.2s ease-in-out infinite;
}
.stage-status-bar.active .ssb-text { color: var(--accent); font-weight: 600; }
@keyframes dotPulseLive {
  0%, 100% { opacity: .7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.25); }
}
/* ok — green */
.stage-status-bar.ok {
  border-color: rgba(34,197,94,.25);
  background: linear-gradient(135deg, rgba(34,197,94,.06), rgba(34,197,94,.02));
}
.stage-status-bar.ok .ssb-dot {
  background: var(--green);
  box-shadow: 0 0 6px rgba(34,197,94,.3);
  animation: none;
}
.stage-status-bar.ok .ssb-text { color: var(--green); font-weight: 600; }
/* err — red */
.stage-status-bar.err {
  border-color: rgba(239,68,68,.25);
  background: linear-gradient(135deg, rgba(239,68,68,.06), rgba(239,68,68,.02));
}
.stage-status-bar.err .ssb-dot {
  background: var(--red);
  box-shadow: 0 0 6px rgba(239,68,68,.3);
  animation: none;
}
.stage-status-bar.err .ssb-text { color: var(--red); font-weight: 600; }

/* Stage verification info panel */
.stage-verify-info {
  margin-top: 12px; padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated); border: 1px solid var(--border);
}
.svi-row {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 6px 0; font-size: 12px;
  border-bottom: 1px solid rgba(255,255,255,.03);
}
.svi-row:last-child { border-bottom: none; }
.svi-key {
  color: var(--text-label); font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em; font-size: 10px;
  min-width: 100px; flex-shrink: 0;
  padding-top: 2px;
}
.svi-val {
  color: var(--text-dim); font-family: var(--font-mono); font-size: 11px;
  word-break: break-all;
}
.svi-val.ok { color: var(--green); font-weight: 600; }
.svi-val.err { color: var(--red); font-weight: 600; }

/* Stage result panel - 上位机确认 0x07/0x85 收尾 */
.stage-result {
  margin-top: 12px; padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated); border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 10px;
}
.stage-result.ok { border-color: rgba(34,197,94,.45); background: rgba(34,197,94,.08); }
.stage-result.err { border-color: rgba(239,68,68,.45); background: rgba(239,68,68,.08); }
.stage-result .sr-head { display: flex; align-items: center; gap: 10px; }
.stage-result .sr-ico {
  width: 32px; height: 32px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; color: #07121c;
}
.stage-result.ok .sr-ico { background: var(--green); }
.stage-result.err .sr-ico { background: var(--red); }
.stage-result .sr-title { font-size: 16px; font-weight: 700; }
.stage-result.ok .sr-title { color: var(--green); }
.stage-result.err .sr-title { color: var(--red); }
.stage-result .sr-detail { font-size: 13px; color: var(--text); line-height: 1.5; }
.stage-result .sr-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* === LOG PANEL === */
.log-panel { display: flex; flex-direction: column; min-height: 380px; }
.log-panel .card-body { flex: 1; display: flex; flex-direction: column; padding: 0; }
.log-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  gap: 10px; flex-wrap: wrap;
}
.log-filters { display: flex; gap: 6px; }
.log-filter {
  padding: 4px 10px; border-radius: 14px; font-size: 11px; font-weight: 500;
  border: 1px solid var(--border); background: transparent; color: var(--text-dim);
  cursor: pointer; transition: all .15s;
}
.log-filter.active { background: var(--accent); color: #07121c; border-color: var(--accent); }
.log-filter:hover:not(.active) { border-color: var(--text-dim); }

.log-scroll {
  flex: 1; overflow-y: auto; padding: 12px 16px;
  font-family: var(--font-mono); font-size: 12px; line-height: 1.7;
  max-height: 420px;
}
.log-scroll::-webkit-scrollbar { width: 5px; }
.log-scroll::-webkit-scrollbar-track { background: transparent; }
.log-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.log-line {
  display: flex; gap: 8px; padding: 3px 0;
  border-bottom: 1px solid rgba(255,255,255,.02);
}
.log-line .lt { color: var(--text-label); flex-shrink: 0; }
.log-line .lv {
  font-weight: 600; min-width: 20px; flex-shrink: 0;
}
.log-line .lv.E { color: var(--red); }
.log-line .lv.W { color: var(--amber); }
.log-line .lv.I { color: var(--accent); }
.log-line .lv.D { color: var(--text-label); }
.log-line .lg { color: #a78bfa; flex-shrink: 0; }
.log-line .lm { color: var(--text); word-break: break-all; }
/* BLE log compat */
.log-line .t { color: var(--text-label); flex-shrink: 0; }
.log-line .tag { color: #a78bfa; flex-shrink: 0; }

.log-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 16px; border-top: 1px solid var(--border);
  font-size: 11px; color: var(--text-label);
}

/* === CAN PANEL === */
.can-grid {
  display: grid; grid-template-columns: 70px 1fr 60px 1fr; gap: 10px;
}
.can-launch-card {
  background:
    radial-gradient(circle at top right, rgba(34,211,238,.18), transparent 28%),
    linear-gradient(138deg, rgba(18,29,41,.96), rgba(20,29,40,.92) 48%, rgba(14,21,31,.98) 100%);
  border: 1px solid rgba(34,211,238,.14);
  border-radius: 14px;
  padding: 20px;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.02),
    0 18px 40px rgba(0,0,0,.18);
  position: relative;
  overflow: hidden;
}
.can-launch-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, rgba(34,211,238,.9), rgba(34,211,238,.18));
}
.can-launch-copy {
  position: relative;
  z-index: 1;
}
.can-launch-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.can-launch-copy h3 {
  font-size: 22px;
  line-height: 1.2;
  margin: 6px 0 0;
}
.can-launch-desc {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.7;
  max-width: 700px;
}
.can-launch-kicker {
  color: #88ecff;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .92;
}
.can-launch-badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(34,211,238,.08);
  border: 1px solid rgba(34,211,238,.18);
  color: #a9f4ff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.can-launch-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.can-launch-point {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  color: #c6d7e8;
  font-size: 12px;
}
.can-launch-point::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(34,211,238,.35);
}
.can-launch-actions {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(180px, .85fr);
  gap: 10px;
  margin-top: 18px;
  position: relative;
  z-index: 1;
}
.can-launch-primary,
.can-launch-secondary {
  min-height: 42px;
}
.can-launch-primary {
  box-shadow: 0 10px 24px rgba(34,211,238,.18);
}
.can-launch-secondary {
  color: #d5e4f4;
  border-color: rgba(255,255,255,.08);
  background: rgba(255,255,255,.015);
}
.can-launch-secondary:hover:not(:disabled) {
  background: rgba(255,255,255,.05);
  border-color: rgba(34,211,238,.18);
}
.can-launch-foot {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.06);
  color: #91a6bc;
  font-size: 12px;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}
.can-launch-foot-label {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  color: #d8e6f4;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.spi-grid {
  display: grid; grid-template-columns: 80px 1fr 80px 80px; gap: 10px;
}

/* === CAN WORKSPACE PAGE === */
.can-page::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 18%, rgba(34,211,238,.08), transparent 26%),
    radial-gradient(circle at 85% 14%, rgba(245,158,11,.05), transparent 24%);
}
.can-container {
  max-width: 1700px;
}
.can-header {
  position: sticky;
  top: 16px;
  z-index: 5;
  backdrop-filter: blur(14px);
  background: rgba(15,22,31,.86);
}
.can-header-actions {
  margin-left: auto;
}
.can-link-pill {
  text-decoration: none;
  color: var(--text);
}
.can-toolbar-card,
.can-table-card,
.can-editor-layout {
  margin-top: 18px;
}
.can-toolbar-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.1fr) 180px minmax(220px, .9fr) minmax(260px, 1fr);
  gap: 14px;
  align-items: stretch;
}
.can-toolbar-block {
  min-width: 0;
}
.can-toolbar-upload .upload-zone {
  height: 100%;
  min-height: 88px;
  padding: 18px 14px;
}
.can-file-info-inline {
  margin-top: 14px;
}
.can-file-name {
  font-weight: 700;
}
.can-toolbar-foot {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  margin-top: 14px;
  align-items: start;
}
.can-table-card-body {
  padding: 0;
}
.can-editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: start;
}
.can-sidepanel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.dbc-dropzone {
  position: relative;
  overflow: hidden;
}
.dbc-dropzone::after {
  content: "";
  position: absolute;
  inset: -40% auto auto -10%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(34,211,238,.18), transparent 68%);
  pointer-events: none;
}
.message-list {
  max-height: 390px;
  overflow: auto;
}
.message-table {
  /* 列宽随左栏宽度自适应压缩，不再强制水平滚动 */
  min-width: 0;
  width: 100%;
}
.message-table-head,
.message-row {
  display: grid;
  grid-template-columns:
    36px              /* 勾选 */
    32px              /* 展开 */
    40px              /* # */
    minmax(0, 1.6fr)  /* 报文名称 */
    96px              /* 标识符 */
    52px              /* 通道 */
    52px              /* 类型 */
    46px              /* DLC */
    50px              /* 信号 */
    minmax(0, 1fr)    /* 发送节点 */
    minmax(0, 2fr);   /* 注释 */
  align-items: center;
  min-width: 0;
}
.message-table-head {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #182330;
  border-bottom: 1px solid var(--border);
}
.message-row {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,.04);
  transition: background .12s ease, border-color .12s ease;
}
.message-row:hover {
  background: rgba(255,255,255,.03);
}
.message-row.active {
  background: linear-gradient(90deg, rgba(34,211,238,.2), rgba(34,211,238,.07));
  box-shadow: inset 3px 0 0 0 var(--accent);
}
.message-col {
  padding: 11px 12px;
  font-size: 12px;
  line-height: 1.45;
  border-right: 1px solid rgba(255,255,255,.03);
}
.message-table-head .message-col {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  color: #c8d6e7;
  text-transform: uppercase;
}
.message-col:last-child {
  border-right: 0;
}
.message-col-index,
.message-col-dlc,
.message-col-signal,
.message-col-channel,
.message-col-type {
  text-align: center;
}
.message-col-id,
.history-item-hex,
.can-frame-hex,
.can-title,
.can-subtitle,
.byte-pill,
.history-item-main,
.history-item-foot,
.signal-table,
.signal-cell-meta,
.signal-cell-range {
  font-family: var(--font-mono);
}
.message-col-id {
  color: var(--accent);
  font-size: 12px;
}
.can-empty-state {
  display: grid;
  place-items: center;
  min-height: 300px;
  text-align: center;
  border: 1px dashed rgba(34,211,238,.2);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(26,36,50,.7), rgba(20,29,40,.96));
  padding: 28px;
}
.can-empty-icon {
  width: 70px;
  height: 70px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  background: rgba(34,211,238,.12);
  font-size: 32px;
  box-shadow: inset 0 0 0 1px rgba(34,211,238,.16);
}
.can-empty-state h3 {
  font-size: 22px;
  margin-bottom: 8px;
}
.can-empty-state p {
  max-width: 560px;
  color: var(--text-dim);
  line-height: 1.75;
}
.can-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .02em;
}
.can-subtitle {
  margin-top: 6px;
  color: var(--text-dim);
  font-size: 13px;
}
.can-selection-bar,
.history-item-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.can-selection-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.can-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}
.can-meta-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.can-meta-card span {
  display: block;
  font-size: 10px;
  color: var(--text-label);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.can-meta-card b {
  font-size: 14px;
}
.can-comment-note {
  margin-top: 16px;
}
.can-frame-panel {
  background: linear-gradient(180deg, rgba(26,36,50,.95), rgba(13,19,27,.98));
  border: 1px solid rgba(34,211,238,.12);
  border-radius: 16px;
  padding: 18px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.02);
}
.can-frame-panel-compact {
  padding: 16px;
}
.can-panel-kicker {
  color: var(--text-label);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.can-panel-title {
  margin-top: 6px;
  font-size: 16px;
  font-weight: 700;
}
.can-frame-hex {
  margin-top: 14px;
  padding: 16px 18px;
  border-radius: 12px;
  background: #081019;
  color: #7ef3ff;
  font-size: 18px;
  line-height: 1.6;
  word-break: break-all;
  border: 1px solid rgba(34,211,238,.16);
}
.can-byte-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.byte-pill {
  min-width: 62px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(34,211,238,.08);
  border: 1px solid rgba(34,211,238,.16);
  text-align: center;
  font-size: 12px;
}
.byte-pill b {
  display: block;
  color: var(--text-label);
  font-size: 10px;
  margin-bottom: 3px;
}
.signal-table-host {
  display: block;
  margin-top: 18px;
}
.signal-table {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.signal-table-head,
.signal-row {
  display: grid;
  grid-template-columns: 52px minmax(220px, 1.2fr) minmax(220px, 1fr) minmax(220px, 1fr) minmax(190px, .9fr) minmax(220px, 1fr);
  align-items: stretch;
}
.signal-table-head {
  background: #182330;
  border-bottom: 1px solid var(--border);
}
.signal-table-body {
  max-height: 520px;
  overflow: auto;
}
.signal-row {
  border-bottom: 1px solid rgba(255,255,255,.04);
  background: rgba(255,255,255,.01);
}
.signal-row:nth-child(even) {
  background: rgba(255,255,255,.025);
}
.signal-cell {
  padding: 11px 12px;
  border-right: 1px solid rgba(255,255,255,.03);
  font-size: 12px;
  line-height: 1.5;
  min-width: 0;
}
.signal-cell:last-child {
  border-right: 0;
}
.signal-table-head .signal-cell {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  color: #c8d6e7;
  text-transform: uppercase;
}
.signal-cell-index {
  text-align: center;
}
.signal-cell-name b,
.signal-cell-range b,
.signal-cell-meta b {
  display: block;
  font-size: 12px;
  color: var(--text);
}
.signal-cell-name small,
.signal-cell-range small,
.signal-cell-meta small,
.signal-cell-comment {
  display: block;
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.45;
}
.signal-input-compact {
  min-width: 0;
  padding: 8px 10px;
  font-size: 12px;
}
.can-response {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  word-break: break-all;
}
.can-response.ok {
  border-color: rgba(34,197,94,.25);
  color: #c7f9d5;
}
.can-response.err {
  border-color: rgba(239,68,68,.25);
  color: #fecaca;
}
.can-response-label {
  color: var(--text-label);
  font-size: 11px;
  margin-bottom: 6px;
  font-family: var(--font);
}
.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 620px;
  overflow: auto;
  padding-right: 4px;
}
.history-list-compact {
  max-height: 360px;
}
.history-item {
  padding: 12px 13px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.history-item-time {
  color: var(--text-label);
  font-size: 11px;
}
.history-item-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
}
.history-item-tag.ok {
  background: rgba(34,197,94,.12);
  color: #b8f5cb;
}
.history-item-tag.err {
  background: rgba(239,68,68,.12);
  color: #fecaca;
}
.history-item-main {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text);
}
.history-item-hex {
  margin-top: 8px;
  font-size: 12px;
  color: #7ef3ff;
  word-break: break-all;
}
.history-item-foot {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-dim);
}

/* === TOAST === */
.toast {
  position: fixed; top: 45%; left: 50%; transform: translateX(-50%) translateY(30px);
  z-index: 9999;
  display: flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 10px;
  font-size: 14px; font-weight: 600; color: #fff; pointer-events: none;
  opacity: 0;
  transition: all .35s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 8px 32px rgba(0,0,0,.35);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.toast.ok { background: #16a34a; }
.toast.err { background: #dc2626; }
.toast.warn { background: #d97706; }
.toast .toast-ico { font-size: 18px; }

/* === GRID ROWS === */
.row-2, .row-3, .row-4 { display: grid; gap: 10px; }
.row-2 { grid-template-columns: 1fr 1fr; }
.row-3 { grid-template-columns: repeat(3, 1fr); }
.row-4 { grid-template-columns: repeat(4, 1fr); }

/* === SUB ACTIONS === */
.sub-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }

/* === FOOTER NOTE === */
.footer-note { margin-top: 12px; font-size: 12px; line-height: 1.7; color: var(--text-dim); }

/* === CODE === */
code { color: #d3f9ff; font-family: var(--font-mono); }

/* === FILE INFO BORDER === */
.file-info { border: 1px solid var(--border); }

/* === PILL LIVE === */
.pill.live .indicator { background: var(--amber); animation: blink 1s infinite; }

/* ===== Header sub-row (设备名/设备ID) ===== */
.header-sub {
  display: flex; gap: 12px;
  margin-top: 0;
  padding: 0;
}
.pill-val {
  font-weight: 600;
  color: var(--text);
}

/* ===== Custom Tooltip ===== */
.pill[data-tooltip] {
  position: relative;
  cursor: help;
}
.pill[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: #1a2432;
  color: #e2e8f0;
  font-size: 11px;
  font-weight: 400;
  font-family: "SF Mono","Fira Code","Cascadia Code","Consolas",monospace;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid #2a3a4e;
  box-shadow: 0 4px 16px rgba(0,0,0,.45);
  white-space: nowrap;
  z-index: 1000;
  pointer-events: none;
  animation: tooltipFadeIn .15s ease-out;
}
.pill[data-tooltip]:hover::before {
  content: '';
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-bottom-color: #2a3a4e;
  z-index: 1001;
  pointer-events: none;
  animation: tooltipFadeIn .15s ease-out;
}
@keyframes tooltipFadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(3px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* === RESPONSIVE === */
@media (max-width: 1100px) {
  .main-layout { grid-template-columns: 1fr; }
  .badge-grid { grid-template-columns: repeat(2, 1fr); }
  .can-toolbar-grid,
  .can-toolbar-foot,
  .can-editor-layout { grid-template-columns: 1fr; }
  .message-list {
    max-height: 420px;
  }
  .can-meta-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { padding: 16px; }
  .header-bar { flex-direction: column; align-items: flex-start; }
  .badge-grid, .metric-grid { grid-template-columns: 1fr; }
  .status-kv-grid, .status-task-meta { grid-template-columns: 1fr; }
  .can-grid { grid-template-columns: 1fr 1fr; }
  .btn-row { flex-direction: column; }
  .can-meta-grid { grid-template-columns: 1fr; }
  .can-launch-top,
  .can-launch-actions,
  .can-launch-foot {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }
  .can-selection-bar,
  .can-selection-actions,
  .history-item-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .can-title {
    font-size: 22px;
  }
  .can-frame-hex {
    font-size: 15px;
  }
  .message-table,
  .signal-table {
    min-width: 980px;
  }
}



/* ===== ENHANCED ANIMATIONS (v20260625b) ===== */

/* Global keyframes */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes popIn {
  0%   { opacity: 0; transform: scale(.85); }
  60%  { opacity: 1; transform: scale(1.04); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes ringPulse {
  0%   { box-shadow: 0 0 0 0 rgba(34,211,238,.55); }
  70%  { box-shadow: 0 0 0 10px rgba(34,211,238,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-4px); }
  40%      { transform: translateX(4px); }
  60%      { transform: translateX(-3px); }
  80%      { transform: translateX(3px); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}
@keyframes glowBreath {
  0%, 100% { box-shadow: 0 0 8px var(--accent-dim); }
  50%      { box-shadow: 0 0 18px rgba(34,211,238,.45); }
}
@keyframes flowDash {
  to { background-position: 200% 0; }
}

/* Page entrance — header + cards staggered */
.header-bar { animation: fadeInUp .45s ease both; }
.main-layout > div > .card { animation: fadeInUp .5s ease both; }
.main-layout > div:nth-child(1) > .card:nth-child(1) { animation-delay: .05s; }
.main-layout > div:nth-child(1) > .card:nth-child(2) { animation-delay: .12s; }
.main-layout > div:nth-child(1) > .card:nth-child(3) { animation-delay: .19s; }
.main-layout > div:nth-child(1) > .card:nth-child(4) { animation-delay: .26s; }
.main-layout > div:nth-child(2) > .card:nth-child(1) { animation-delay: .08s; }
.main-layout > div:nth-child(2) > .card:nth-child(2) { animation-delay: .15s; }
.main-layout > div:nth-child(2) > .card:nth-child(3) { animation-delay: .22s; }
.main-layout > div:nth-child(2) > .card:nth-child(4) { animation-delay: .29s; }

/* Card hover — lift + glow */
.card {
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(34,211,238,.28);
  box-shadow: 0 10px 28px rgba(0,0,0,.35), 0 0 0 1px rgba(34,211,238,.08);
}

/* Brand dot — gentle ring pulse */
.header-brand .dot-mark {
  animation: ringPulse 2.2s ease-out infinite, glowBreath 3.6s ease-in-out infinite;
}

/* Pills — subtle hover */
.pill { transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.pill:hover { transform: translateY(-1px); border-color: rgba(34,211,238,.3); }

/* Button — press + sheen on hover for primary */
.btn { position: relative; overflow: hidden; }
.btn:active:not(:disabled) { transform: translateY(0) scale(.97); transition: transform .08s ease; }
.btn-primary::before,
.btn-success::before,
.btn-danger::before {
  content: "";
  position: absolute; top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg);
  transition: left .55s ease;
  pointer-events: none;
}
.btn-primary:hover:not(:disabled)::before,
.btn-success:hover:not(:disabled)::before,
.btn-danger:hover:not(:disabled)::before {
  left: 130%;
}

/* Upload zone — drag pulse + icon float */
.upload-zone { transition: border-color .2s, background .2s, transform .2s; }
.upload-zone:hover { transform: translateY(-1px); }
.upload-zone .upload-ico {
  display: inline-block;
  transition: transform .25s ease;
}
.upload-zone:hover .upload-ico { animation: floatY 1.6s ease-in-out infinite; }
.upload-zone.dragover { animation: ringPulse 1.2s ease-out infinite; }

/* File info appearance */
.file-info.show { animation: fadeInUp .3s ease both; }

/* Progress bar — striped flow on active */
.progress-fill {
  background-image:
    linear-gradient(90deg, #22d3ee, #06b6d4),
    repeating-linear-gradient(45deg,
      rgba(255,255,255,.18) 0 10px,
      rgba(255,255,255,0) 10px 20px);
  background-size: 100% 100%, 200% 100%;
  background-blend-mode: normal, overlay;
  animation: flowDash 1.4s linear infinite;
}
.progress-fill.done { animation: none; }

/* Phase step capsule — pop when becoming active/done */
.pp-step.active,
.pp-step.done { animation: popIn .35s cubic-bezier(.4,1.4,.5,1) both; }

/* Stage flow — connector grow + dot pop */
.stage-node:not(:last-child)::after {
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 50%, var(--border) 50%, var(--border) 100%);
  background-size: 200% 100%;
  background-position: 100% 0;
  transition: background-position .5s ease;
}
.stage-node.done:not(:last-child)::after,
.stage-node.live:not(:last-child)::after {
  background-position: 0% 0;
}
.stage-dot { transition: transform .3s ease, background .3s, border-color .3s, color .3s, box-shadow .3s; }
.stage-node.live .stage-dot {
  animation: ringPulse 1.6s ease-out infinite;
}
.stage-node.done .stage-dot { animation: popIn .35s cubic-bezier(.4,1.4,.5,1) both; }
.stage-node.err  .stage-dot { animation: shake .4s ease both; }

/* Stage status bar — slide in when state changes */
.stage-status-bar.active,
.stage-status-bar.ok,
.stage-status-bar.err { animation: fadeInUp .3s ease both; }

/* Stage result panel */
.stage-result { animation: popIn .4s cubic-bezier(.4,1.4,.5,1) both; }

/* Metric / badge values — number tick highlight */
.metric .v,
.badge-stat .v {
  transition: color .3s ease, transform .3s ease;
}
.metric:hover,
.badge-stat:hover {
  border-color: rgba(34,211,238,.25);
  transition: border-color .25s ease;
}

/* Conn indicator — light ring pulse when warn */
.conn-indicator { transition: background .25s ease, border-color .25s ease; }
.conn-indicator.warn .light { animation: ringPulse 1.4s ease-out infinite; }
.conn-indicator.ok   .light { animation: glowBreath 3s ease-in-out infinite; }

/* Heap / task bars — sheen */
.heap-bar-track,
.status-task-bar { position: relative; overflow: hidden; }
.heap-bar-track::after,
.status-task-bar::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.12) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: shimmer 2.6s linear infinite;
  background-size: 200% 100%;
  pointer-events: none;
}
.heap-bar-fill,
.status-task-bar-fill { transition: width .6s cubic-bezier(.4,0,.2,1); }

/* Log lines — fresh entry fade-in */
.log-line { animation: fadeIn .25s ease both; }

/* Toast — pop and float */
.toast.show { animation: popIn .35s cubic-bezier(.4,1.4,.5,1) both; }

/* Reduced motion — respect user preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

/* === CAN 1Hz FEEDBACK === */
.can-feedback-card { margin-top: 18px; }
.can-feedback-card .card-head {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}
.feedback-controls { display: flex; align-items: center; gap: 8px; }
.feedback-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.feedback-channel {
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07);
  border-radius: 10px; padding: 14px 16px;
}
.feedback-ch-head {
  font-weight: 700; font-size: 15px; margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.ch-dot {
  width: 10px; height: 10px; border-radius: 50%; display: inline-block;
}
.ch-dot.ch0 { background: #22d3ee; }
.ch-dot.ch1 { background: #a78bfa; }
.ch-dot.ch2 { background: #f59e0b; }
.feedback-row {
  display: flex; justify-content: space-between; padding: 3px 0;
  font-size: 13px; border-bottom: 1px solid rgba(255,255,255,.04);
}
.feedback-row:last-child { border-bottom: none; }
.fb-label { color: var(--muted, #8892a4); }
.fb-val { font-weight: 600; font-variant-numeric: tabular-nums; }
.fb-val.mono { font-family: monospace; }
.fb-val.ok  { color: #34d399; }
.fb-val.warn { color: #f59e0b; }
.fb-val.err  { color: #f87171; }
.fb-val.zero { color: #64748b; }
@media (max-width: 900px) {
  .feedback-grid { grid-template-columns: 1fr; }
}

/* === ID SNAPSHOT TABLE === */
.idsnap-table-wrap { overflow-x: auto; }
.idsnap-table {
  width: 100%; border-collapse: collapse; font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.idsnap-table th {
  text-align: left; padding: 6px 10px; font-weight: 600;
  border-bottom: 2px solid rgba(255,255,255,.12); color: var(--muted, #8892a4);
  white-space: nowrap;
}
.idsnap-table td {
  padding: 5px 10px; border-bottom: 1px solid rgba(255,255,255,.05);
  white-space: nowrap;
}
.idsnap-table td.mono { font-family: monospace; }
.idsnap-table tr:hover td { background: rgba(255,255,255,.03); }
.idsnap-table .flag-on  { color: #34d399; font-weight: 600; }
.idsnap-table .flag-off { color: #475569; }
.idsnap-data { font-family: monospace; max-width: 320px; overflow: hidden; text-overflow: ellipsis; }

.fb-data-cell {
  max-width: 200px; overflow: hidden; text-overflow: ellipsis;
  font-size: 11px; word-break: break-all; line-height: 1.4;
}

/* === CAN message row expand / batch additions === */
.message-col-check,
.message-col-toggle {
  text-align: center;
  padding: 6px 4px;
}
.message-check {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent, #22d3ee);
}
.message-toggle {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: #c8d6e7;
  cursor: pointer;
  font-size: 11px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.message-toggle:hover {
  background: rgba(34,211,238,.12);
  border-color: rgba(34,211,238,.4);
  color: #e6fbff;
}
.message-toggle.expanded {
  background: rgba(34,211,238,.18);
  border-color: rgba(34,211,238,.55);
  color: #e6fbff;
}

.message-row-expand {
  grid-column: 1 / -1;
  background: rgba(255,255,255,.02);
  border-top: 1px dashed rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.04);
  padding: 10px 14px 14px;
}
.message-row-expand[hidden] {
  display: none;
}
.message-row-expand .signal-table-host {
  margin-top: 0;
}
.message-row-expand .signal-table {
  border-radius: 10px;
}
.message-row-expand .signal-table-body {
  max-height: 360px;
}

.can-batch-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-wrap: wrap;
}
.checkbox-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim, #93a4bf);
  cursor: pointer;
  user-select: none;
}
.checkbox-inline input {
  accent-color: var(--accent, #22d3ee);
  cursor: pointer;
}
.card-head-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}
.btn[disabled] {
  opacity: .55;
  cursor: not-allowed;
}

/* === 2026-06-30c: 报文列表与右侧操作栏并列布局调整 === */
/* 报文列表移入 can-editor-layout 后，作为左列；侧栏作为右列；不再需要顶部独立信号编辑卡。 */
.can-editor-layout > .can-table-card {
  margin-top: 0;
}
.can-sidepanel .card-body { padding-top: 14px; }
.can-frame-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.can-frame-actions .btn { flex: 1 1 auto; min-width: 120px; }
.can-frame-panel-compact .can-frame-hex { word-break: break-all; }


/* === 2026-06-30c: 报文列表压缩列宽 + 纵向滚动美化 === */
.message-list {
  /* 提高可视高度，并改用美化的纵向滚动条 */
  max-height: calc(100vh - 300px);
  min-height: 420px;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(34,211,238,.35) transparent;
}
.message-list::-webkit-scrollbar { width: 8px; }
.message-list::-webkit-scrollbar-track {
  background: transparent;
  margin: 4px 0;
}
.message-list::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(34,211,238,.45), rgba(34,211,238,.18));
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
.message-list::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(34,211,238,.65), rgba(34,211,238,.28));
  background-clip: padding-box;
  border: 2px solid transparent;
}

/* 单元格统一省略号 */
.message-row .message-col,
.message-table-head .message-col {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* 紧凑列的内边距收一点，腾出空间给名称/注释 */
.message-col-index,
.message-col-channel,
.message-col-type,
.message-col-dlc,
.message-col-signal {
  padding-left: 6px;
  padding-right: 6px;
}
.message-col-check,
.message-col-toggle {
  padding-left: 4px;
  padding-right: 4px;
}
/* 注释列允许浅色降权显示 */
.message-row .message-col-comment {
  color: var(--muted);
}

/* === 2026-06-30c: 窄屏报文表降级（按位置缩为 0 宽，保持 grid 对齐） === */
/* 列序：check(1) toggle(2) #(3) name(4) id(5) channel(6) type(7) dlc(8) signal(9) node(10) comment(11) */
@media (max-width: 1280px) {
  .message-table-head,
  .message-row {
    grid-template-columns:
      36px 32px 40px
      minmax(0, 1.6fr)  /* name */
      90px              /* id */
      52px              /* channel */
      0                 /* type 隐藏 */
      46px              /* dlc */
      0                 /* signal 隐藏 */
      minmax(0, 0.9fr)  /* node */
      minmax(0, 1.8fr); /* comment */
  }
  .message-col-type,
  .message-col-signal { padding: 0; border: 0; overflow: hidden; }
}
@media (max-width: 1024px) {
  .message-table-head,
  .message-row {
    grid-template-columns:
      36px 32px 36px
      minmax(0, 1.6fr)
      86px
      0
      0
      46px
      0
      0
      minmax(0, 1.8fr);
  }
  .message-col-channel,
  .message-col-node { padding: 0; border: 0; overflow: hidden; }
}


/* 行内信号编辑展开区允许局部横向滚动（信号字段较多时），不影响外层报文表 */
.message-row-expand {
  overflow-x: auto;
}
.message-row-expand::-webkit-scrollbar { height: 6px; }
.message-row-expand::-webkit-scrollbar-thumb {
  background: rgba(34,211,238,.35);
  border-radius: 4px;
}


/* === 2026-06-30e: 工作台设置 + 最近发送 双列布局 === */
.can-top-layout {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: stretch;
}
/* 工作台卡和历史卡都放进 grid 后不需要单独的顶部外边距 */
.can-top-layout > .can-toolbar-card,
.can-top-layout > .can-history-card {
  margin-top: 0;
}
/* 历史卡固定高度，仅容纳约 3 条历史，超出滚动 */
.can-history-card { align-self: start; }
.can-history-card .card-body {
  display: flex;
  flex-direction: column;
}
.can-history-card .history-list {
  /* 约 3 条历史的高度：(每条 ~96px) * 3 + gap 10px * 2 ≈ 308px */
  max-height: 312px;
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(34,211,238,.35) transparent;
}
.can-history-card .history-list::-webkit-scrollbar { width: 8px; }
.can-history-card .history-list::-webkit-scrollbar-track { background: transparent; margin: 4px 0; }
.can-history-card .history-list::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(34,211,238,.45), rgba(34,211,238,.18));
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
.can-history-card .history-list::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(34,211,238,.65), rgba(34,211,238,.28));
  background-clip: padding-box;
}

/* 窄屏堆叠 */
@media (max-width: 1100px) {
  .can-top-layout { grid-template-columns: 1fr; }
  .can-history-card .history-list { max-height: 312px; }
}


/* === 2026-07-01a: 发送节点过滤下拉 === */
.can-node-filter {
  position: relative;
  display: inline-flex;
}
.can-node-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.can-node-filter-btn.active {
  border-color: rgba(34,211,238,.65);
  color: var(--accent);
  background: rgba(34,211,238,.08);
}
.can-node-filter-caret {
  font-size: 10px;
  opacity: .75;
}
.can-node-filter-panel {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 30;
  min-width: 260px;
  max-width: 320px;
  background: #182330;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 18px 38px rgba(0,0,0,.45);
  padding: 10px;
}
.can-node-filter-panel[hidden] { display: none; }
.can-node-filter-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 8px;
}
.can-node-filter-search {
  width: 100%;
  padding: 6px 8px;
  font-size: 12px;
}
.can-node-filter-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}
.can-node-filter-list {
  max-height: 260px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(34,211,238,.35) transparent;
}
.can-node-filter-list::-webkit-scrollbar { width: 8px; }
.can-node-filter-list::-webkit-scrollbar-thumb {
  background: rgba(34,211,238,.35);
  border-radius: 6px;
}
.can-node-filter-item {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text);
  transition: background .12s;
}
.can-node-filter-item:hover {
  background: rgba(255,255,255,.04);
}
.can-node-filter-item input[type="checkbox"] {
  margin: 0;
}
.can-node-filter-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-mono);
}
.can-node-filter-count {
  font-size: 11px;
  color: var(--muted);
  background: rgba(255,255,255,.05);
  border-radius: 999px;
  padding: 1px 8px;
  min-width: 26px;
  text-align: center;
}