/* ===== 暗色主题 - 硬件调试页 ===== */
:root {
  --bg-0: #0d1117;
  --bg-1: #161b22;
  --bg-2: #21262d;
  --bg-3: #30363d;
  --line: #30363d;
  --text-1: #e6edf3;
  --text-2: #8b949e;
  --text-3: #6e7681;
  --green: #3fb950;
  --orange: #f78166;
  --red: #f85149;
  --blue: #58a6ff;
  --purple: #bc8cff;
  --yellow: #d29922;
  --mono: ui-monospace, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg-0);
  color: var(--text-1);
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

body { display: flex; flex-direction: column; }

/* ===== 顶栏 ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

.topbar h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar .icon { font-size: 22px; }

.indicators {
  display: flex;
  align-items: center;
  gap: 16px;
}

.indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-2);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-3);
  display: inline-block;
}

.dot.live {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.btn-link {
  color: var(--blue);
  text-decoration: none;
  font-size: 13px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  transition: all .15s;
}

.btn-link:hover {
  background: var(--bg-2);
  border-color: var(--blue);
}

/* ===== 主体布局 ===== */
.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 12px;
  padding: 12px;
  min-height: 0;
  overflow: hidden;
}

.panel {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  min-height: 0;
}

.panel-log { overflow: hidden; }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 1;
}

.panel-header h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== 继电器卡片 ===== */
.relay-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding: 12px;
}

.relay-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  transition: border-color .15s;
}

.relay-card.is-on {
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--green);
}

.relay-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.relay-name {
  font-weight: 600;
  font-size: 13px;
}

.relay-state {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-family: var(--mono);
  color: var(--text-2);
}

.relay-state .led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-3);
  border: 1px solid var(--line);
}

.relay-card.is-on .relay-state .led {
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 0 6px var(--green);
}

.relay-card.is-on .relay-state {
  color: var(--green);
}

.relay-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
}

/* ===== 工具区 ===== */
.tool-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  flex-wrap: wrap;
}

.tool-row label {
  font-size: 12px;
  color: var(--text-2);
}

.latency-result {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--orange);
  font-weight: 600;
  margin-left: auto;
}

/* ===== 发布区 ===== */
.publish-area {
  padding: 12px;
}

.form-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.form-row label {
  font-size: 12px;
  color: var(--text-2);
  min-width: 36px;
}

.form-row input[type="text"] {
  flex: 1;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  user-select: none;
}

/* ===== 输入控件 ===== */
input[type="text"], input[type="number"], select {
  background: var(--bg-0);
  border: 1px solid var(--line);
  color: var(--text-1);
  padding: 6px 10px;
  border-radius: 5px;
  font-size: 13px;
  font-family: var(--mono);
  outline: none;
  transition: border-color .15s;
}

input[type="text"]:focus, input[type="number"]:focus, select:focus {
  border-color: var(--blue);
}

input[type="number"] { width: 60px; }
select { min-width: 80px; }

input[type="checkbox"] {
  accent-color: var(--blue);
  cursor: pointer;
}

/* ===== 按钮 ===== */
.btn {
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--text-1);
  padding: 6px 12px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: all .15s;
  white-space: nowrap;
}

.btn:hover { background: var(--bg-2); border-color: var(--blue); }

.btn-primary {
  background: #1f6feb;
  border-color: #1f6feb;
  color: #fff;
}
.btn-primary:hover { background: #388bfd; border-color: #388bfd; }

.btn-secondary { background: var(--bg-2); }

.btn-on {
  background: rgba(63, 185, 80, 0.15);
  border-color: var(--green);
  color: var(--green);
}
.btn-on:hover { background: rgba(63, 185, 80, 0.25); }

.btn-off {
  background: rgba(248, 81, 73, 0.15);
  border-color: var(--red);
  color: var(--red);
}
.btn-off:hover { background: rgba(248, 81, 73, 0.25); }

.btn-toggle {
  background: rgba(247, 129, 102, 0.15);
  border-color: var(--orange);
  color: var(--orange);
}
.btn-toggle:hover { background: rgba(247, 129, 102, 0.25); }

/* ===== 日志区 ===== */
.log-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 14px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
}

.log-list {
  flex: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--bg-0);
  min-height: 0;
}

.log-item {
  display: grid;
  grid-template-columns: 90px 50px 220px 1fr;
  gap: 10px;
  padding: 4px 14px;
  border-bottom: 1px solid var(--bg-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  align-items: baseline;
}

.log-item:hover { background: var(--bg-1); }

.log-item .time {
  color: var(--text-3);
  font-size: 11.5px;
}

.tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  text-align: center;
}

.tag-in   { background: rgba(63, 185, 80, 0.18);   color: var(--green); }
.tag-out  { background: rgba(31, 111, 235, 0.18);  color: var(--blue); }
.tag-sys  { background: rgba(188, 140, 255, 0.18); color: var(--purple); }
.tag-err  { background: rgba(248, 81, 73, 0.18);   color: var(--red); }

.log-item .topic {
  color: var(--orange);
  overflow: hidden;
  text-overflow: ellipsis;
}

.log-item .payload {
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
}

.log-item.is-sys .topic, .log-item.is-sys .payload { color: var(--text-2); }
.log-item.is-err .payload { color: var(--red); }

.counter {
  font-size: 12px;
  color: var(--text-3);
  font-family: var(--mono);
  margin-right: 4px;
}

#logFilter { width: 180px; }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #484f58; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
    overflow: auto;
  }
  .panel { max-height: 70vh; }
  .log-item {
    grid-template-columns: 70px 40px 1fr;
  }
  .log-item .topic { grid-column: 1 / -1; }
}