/* ===== 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; }

.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;
}
.spi-grid {
  display: grid; grid-template-columns: 80px 1fr 80px 80px; gap: 10px;
}

/* === 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); }
}
@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; }
}