/* ============================================================
   LinkLab 设备联调台 · 样式
   ============================================================ */
:root {
  --bg: #070b14;
  --bg-soft: #0b1220;
  --panel: #0f1728;
  --panel-2: #131d33;
  --panel-3: #18233c;
  --line: #1e2b45;
  --line-2: #2b3d5f;
  --text: #e7eefb;
  --muted: #8ba1c0;
  --dim: #5d7295;
  --accent: #38bdf8;
  --accent-2: #22d3ee;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --purple: #a78bfa;
  --radius: 12px;
  --mono: "Cascadia Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
  --sans: "Segoe UI", "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(56, 189, 248, 0.10), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(167, 139, 250, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

button, input, select, textarea { font: inherit; color: inherit; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #24334f; border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: #324566; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

.hidden { display: none !important; }

/* ---------------- 通用控件 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 32px; padding: 0 12px;
  border-radius: 8px; border: 1px solid var(--line-2);
  background: var(--panel-2); color: var(--text);
  font-size: 13px; cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { background: var(--panel-3); border-color: #3a527c; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn.primary {
  background: linear-gradient(180deg, #33aee2, #1d8fc4);
  border-color: #2aa7dc; color: #04121d; font-weight: 600;
}
.btn.primary:hover { background: linear-gradient(180deg, #45bdec, #269dd4); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { background: rgba(255,255,255,.05); color: var(--text); }
.btn.danger { color: var(--red); border-color: rgba(248,113,113,.35); background: rgba(248,113,113,.08); }
.btn.danger:hover { background: rgba(248,113,113,.16); }
.btn.sm { height: 26px; padding: 0 9px; font-size: 12px; border-radius: 7px; }
.btn.block { width: 100%; height: 38px; }

.input, select.input, textarea.input {
  width: 100%; height: 32px; padding: 0 10px;
  background: #0a1220; border: 1px solid var(--line); border-radius: 8px;
  color: var(--text); outline: none; font-size: 13px;
  transition: border-color .15s, box-shadow .15s;
}
textarea.input { height: auto; padding: 8px 10px; resize: vertical; line-height: 1.55; font-family: var(--mono); font-size: 12.5px; }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(56,189,248,.14); }
.input::placeholder { color: #4b6185; }
select.input { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 14px) 14px, calc(100% - 9px) 14px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 26px; }

.field { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--muted); }
.field > span.hint { color: var(--dim); font-size: 11px; }

.badge {
  display: inline-flex; align-items: center; height: 18px; padding: 0 6px;
  border-radius: 5px; font-size: 10.5px; letter-spacing: .2px;
  background: rgba(139,161,192,.12); color: var(--muted); border: 1px solid rgba(139,161,192,.18);
}
.badge.qos { color: var(--purple); border-color: rgba(167,139,250,.3); background: rgba(167,139,250,.1); }
.badge.retain { color: var(--amber); border-color: rgba(251,191,36,.3); background: rgba(251,191,36,.1); }
.badge.hex { color: var(--accent); border-color: rgba(56,189,248,.3); background: rgba(56,189,248,.1); }

.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--dim); display: inline-block; flex: none; }
.dot.on { background: var(--green); box-shadow: 0 0 0 3px rgba(52,211,153,.14); }
.dot.off { background: var(--red); }
.dot.warn { background: var(--amber); }

/* ---------------- 登录 / 初始化 ---------------- */
.gate {
  position: fixed; inset: 0; z-index: 40;
  display: flex; align-items: center; justify-content: center; padding: 24px;
  background:
    radial-gradient(700px 420px at 50% 0%, rgba(56,189,248,.14), transparent 65%),
    radial-gradient(600px 400px at 80% 100%, rgba(167,139,250,.10), transparent 60%),
    #060a12;
}
.gate-card {
  width: 380px; max-width: 100%; padding: 28px 26px 22px;
  background: linear-gradient(180deg, rgba(19,29,51,.96), rgba(13,20,36,.96));
  border: 1px solid var(--line-2); border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.04);
  display: flex; flex-direction: column; gap: 14px;
}
.gate-brand { display: flex; align-items: center; gap: 10px; }
.gate-brand strong { display: block; font-size: 17px; letter-spacing: .3px; }
.gate-brand small { display: block; font-size: 11px; color: var(--dim); letter-spacing: 1.5px; }
.logo {
  width: 34px; height: 34px; flex: none; border-radius: 10px;
  display: grid; place-items: center; color: var(--accent);
  background: linear-gradient(140deg, rgba(56,189,248,.16), rgba(52,211,153,.10));
  border: 1px solid rgba(56,189,248,.3);
}
.logo svg { width: 20px; height: 20px; }
.gate-card h1 { margin: 4px 0 0; font-size: 20px; font-weight: 650; }
.gate-sub { margin: -8px 0 2px; font-size: 12px; color: var(--muted); }
.gate-card .field { font-size: 12px; }
.gate-card .input { height: 36px; }
.gate-err { margin: 0; min-height: 18px; font-size: 12px; color: var(--red); }
.gate-foot { margin: 2px 0 0; text-align: center; font-size: 11px; color: var(--dim); letter-spacing: .6px; }

/* ---------------- 顶栏 ---------------- */
.shell { height: 100%; display: grid; grid-template-rows: 58px 44px minmax(0, 1fr); }
.topbar {
  display: flex; align-items: center; gap: 16px; padding: 0 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 14, 25, .72); backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 190px; }
.brand-text strong { display: block; font-size: 15px; letter-spacing: .4px; }
.brand-text small { display: block; font-size: 10px; color: var(--dim); letter-spacing: 2.2px; }
.chips { display: flex; gap: 8px; flex: 1; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 7px; height: 26px; padding: 0 10px;
  border-radius: 999px; font-size: 12px; color: var(--muted);
  background: rgba(19,29,51,.8); border: 1px solid var(--line);
}
.chip b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.user { display: flex; align-items: center; gap: 8px; }
.user-name { font-size: 12px; color: var(--muted); }

.tabs {
  display: flex; align-items: center; gap: 4px; padding: 0 18px;
  border-bottom: 1px solid var(--line); background: rgba(11,18,32,.55);
}
.tab {
  position: relative; height: 44px; padding: 0 14px; border: 0; background: transparent;
  color: var(--muted); font-size: 13px; cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); font-weight: 600; }
.tab.active::after {
  content: ""; position: absolute; left: 10px; right: 10px; bottom: -1px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 2px;
}
.tabs-spacer { flex: 1; }
.conn-state { display: inline-flex; align-items: center; gap: 7px; font-size: 11.5px; color: var(--dim); }
.conn-state.ok { color: var(--green); }
.conn-state.ok .dot { background: var(--green); }
.conn-state.bad { color: var(--red); }
.conn-state.bad .dot { background: var(--red); }

/* ---------------- 主区域 ---------------- */
#view { min-height: 0; overflow: hidden; }

.tcp-layout, .mqtt-layout {
  height: 100%; display: grid; gap: 12px; padding: 12px; min-height: 0;
}
.tcp-layout { grid-template-columns: 300px minmax(0, 1fr); }
.mqtt-layout { grid-template-columns: 290px minmax(0, 1fr) 350px; }

.panel {
  display: flex; flex-direction: column; min-height: 0; min-width: 0;
  background: linear-gradient(180deg, rgba(19,29,51,.72), rgba(11,18,32,.86));
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; gap: 8px; padding: 9px 12px;
  border-bottom: 1px solid var(--line); flex: none;
  font-size: 12px; color: var(--muted); letter-spacing: .3px;
}
.panel-head strong { color: var(--text); font-size: 12.5px; font-weight: 600; }
.panel-head .spacer { flex: 1; }
.panel-body { flex: 1; min-height: 0; overflow: auto; }
.panel-foot { flex: none; border-top: 1px solid var(--line); padding: 10px 12px; }

.empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; height: 100%; min-height: 120px; padding: 24px; text-align: center;
  color: var(--dim); font-size: 12.5px; line-height: 1.7;
}
.empty svg { width: 34px; height: 34px; opacity: .5; }
.empty b { color: var(--muted); font-weight: 600; }

/* ---------------- TCP 监听 / 连接 ---------------- */
.listener {
  border-bottom: 1px solid rgba(30,43,69,.7);
}
.listener-row {
  display: flex; align-items: center; gap: 8px; padding: 10px 10px 10px 12px; cursor: pointer;
}
.listener-row:hover { background: rgba(255,255,255,.025); }
.listener-row.active { background: rgba(56,189,248,.07); box-shadow: inset 2px 0 0 var(--accent); }
.listener-main { flex: 1; min-width: 0; }
.listener-name { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 550; }
.listener-name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.listener-sub { display: flex; align-items: center; gap: 8px; margin-top: 3px; font-size: 11px; color: var(--dim); font-family: var(--mono); }
.listener-sub .err { color: var(--red); font-family: var(--sans); }
.listener-actions { display: flex; gap: 2px; opacity: 0; transition: opacity .15s; }
.listener-row:hover .listener-actions { opacity: 1; }

.conn {
  display: flex; align-items: center; gap: 8px; padding: 7px 10px 7px 26px;
  font-size: 12px; color: var(--muted); cursor: pointer; border-left: 2px solid transparent;
}
.conn:hover { background: rgba(255,255,255,.025); }
.conn.active { background: rgba(56,189,248,.08); border-left-color: var(--accent); color: var(--text); }
.conn .remote { flex: 1; font-family: var(--mono); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conn .io { font-family: var(--mono); font-size: 10.5px; color: var(--dim); }
.conn .dot { width: 6px; height: 6px; }

/* ---------------- 报文日志 ---------------- */
.log { font-family: var(--mono); font-size: 12px; }
.log-row {
  display: grid; grid-template-columns: 88px 16px minmax(0, 1fr) minmax(0, 180px);
  gap: 8px; padding: 3px 12px; border-bottom: 1px solid rgba(30,43,69,.45);
  align-items: baseline;
}
.log-row:hover { background: rgba(255,255,255,.025); }
.log-row .time { color: var(--dim); font-size: 10.5px; }
.log-row .dir { font-weight: 700; font-size: 11px; }
.log-row.in .dir { color: var(--green); }
.log-row.out .dir { color: var(--accent); }
.log-row .hex { color: #cfe0f7; word-break: break-all; line-height: 1.5; }
.log-row .hex em { color: var(--accent); font-style: normal; }
.log-row .ascii { color: #55719a; font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-row.out .ascii { color: #4d7ea2; }
.log-row.multi { grid-template-columns: 88px 16px 118px minmax(0, 1fr) minmax(0, 180px); }
.log-row .who { color: var(--dim); font-size: 10.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-row.sys {
  display: flex; gap: 8px; align-items: center; padding: 5px 12px;
  border-bottom: 1px dashed rgba(30, 43, 69, .55);
  color: var(--dim); font-family: var(--sans); font-size: 11.5px;
}
.log-row.sys .time { font-family: var(--mono); font-size: 10.5px; }
.log-row.sys .tag { color: var(--muted); }
.log-row.sys.warn { color: var(--amber); }

/* ---------------- 发送区 ---------------- */
.composer { flex: none; border-top: 1px solid var(--line); padding: 10px 12px 12px; background: rgba(9,14,25,.6); }
.composer-tools { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.seg { display: inline-flex; background: #0a1220; border: 1px solid var(--line); border-radius: 8px; padding: 2px; }
.seg button {
  height: 24px; padding: 0 10px; border: 0; border-radius: 6px; background: transparent;
  color: var(--muted); font-size: 12px; cursor: pointer;
}
.seg button.active { background: var(--panel-3); color: var(--text); }
.composer-row { display: flex; gap: 8px; align-items: flex-end; }
.composer textarea { flex: 1; height: 62px; }
.composer .send-col { display: flex; flex-direction: column; gap: 6px; width: 132px; }
.tiny { font-size: 11px; color: var(--dim); }
.quick-frames { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.quick {
  max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  height: 22px; padding: 0 8px; border-radius: 6px; font-family: var(--mono); font-size: 11px;
  background: rgba(56,189,248,.07); border: 1px solid rgba(56,189,248,.2); color: #9fd8f5; cursor: pointer;
}
.quick:hover { background: rgba(56,189,248,.14); }

/* ---------------- MQTT ---------------- */
.mqtt-info { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.kv { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--muted); }
.kv b { color: var(--text); font-family: var(--mono); font-weight: 500; font-size: 12px; }
.section-label {
  padding: 10px 12px 6px; font-size: 10.5px; letter-spacing: 1.4px; color: var(--dim);
  text-transform: uppercase; border-top: 1px solid rgba(30,43,69,.6);
}
.client-item { padding: 8px 12px; border-bottom: 1px solid rgba(30,43,69,.45); cursor: pointer; }
.client-item:hover { background: rgba(255,255,255,.025); }
.client-top { display: flex; align-items: center; gap: 7px; }
.client-id { flex: 1; min-width: 0; font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.client-meta { margin-top: 3px; font-family: var(--mono); font-size: 10.5px; color: var(--dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.subs { margin-top: 5px; display: flex; flex-wrap: wrap; gap: 4px; }
.sub-tag {
  font-family: var(--mono); font-size: 10.5px; color: #8fd0ee;
  background: rgba(56,189,248,.08); border: 1px solid rgba(56,189,248,.18);
  border-radius: 5px; padding: 1px 6px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.stream { font-size: 12.5px; }
.msg { padding: 8px 12px; border-bottom: 1px solid rgba(30,43,69,.5); }
.msg:hover { background: rgba(255,255,255,.02); }
.msg-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.msg-head .time { font-family: var(--mono); font-size: 10.5px; color: var(--dim); }
.msg-head .topic { font-family: var(--mono); font-size: 12px; color: var(--accent); word-break: break-all; }
.msg-head .from { font-size: 10.5px; color: var(--dim); }
.msg-head .spacer { flex: 1; }
.msg .payload {
  margin: 5px 0 0; padding: 7px 9px; border-radius: 7px;
  background: rgba(5,9,17,.55); border: 1px solid rgba(30,43,69,.7);
  font-family: var(--mono); font-size: 12px; line-height: 1.55; color: #c9dbf2;
  white-space: pre-wrap; word-break: break-all; max-height: 340px; overflow: auto;
}
.msg .payload.raw { color: #9fb6d4; }
.msg .payload .k { color: #7dd3fc; }
.msg .payload .s { color: #86efac; }
.msg .payload .n { color: #fca5a5; }
.msg .payload .b { color: #c4b5fd; }
.msg.flash { animation: flash 1.1s ease-out; }
@keyframes flash { from { background: rgba(56,189,248,.13); } to { background: transparent; } }

.publish-form { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.publish-form textarea { height: 180px; }
.publish-actions { display: flex; align-items: center; gap: 8px; }
.publish-actions .spacer { flex: 1; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); cursor: pointer; user-select: none; }
.check input { accent-color: var(--accent); width: 14px; height: 14px; }

/* ---------------- 设置 ---------------- */
.settings { height: 100%; overflow: auto; padding: 16px; }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 14px; max-width: 1200px; margin: 0 auto; align-items: start; }
.settings-grid .wide { grid-column: span 2; }
.card {
  background: linear-gradient(180deg, rgba(19,29,51,.7), rgba(11,18,32,.85));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
}
.card h2 { margin: 0; font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card .desc { margin: -6px 0 0; font-size: 12px; color: var(--dim); line-height: 1.6; }
.card .row { display: flex; gap: 10px; }
.card .row > .field { flex: 1; }
.card .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 2px; }
.user-row { display: flex; gap: 8px; align-items: center; }
.user-row .input { flex: 1; }
.mono { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.note {
  font-size: 12px; line-height: 1.7; color: var(--muted);
  background: rgba(56,189,248,.06); border: 1px solid rgba(56,189,248,.16);
  border-radius: 8px; padding: 10px 12px;
}
.note code { font-family: var(--mono); color: #9fd8f5; background: rgba(56,189,248,.1); padding: 1px 5px; border-radius: 4px; }

/* ---------------- 弹窗 ---------------- */
.modal { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(3,6,12,.7); backdrop-filter: blur(3px); }
.modal-card {
  width: 620px; max-width: 100%; max-height: 88vh; overflow: auto;
  background: linear-gradient(180deg, #141e34, #0d1526);
  border: 1px solid var(--line-2); border-radius: 14px;
  box-shadow: 0 30px 90px rgba(0,0,0,.6);
  padding: 18px 20px 16px; display: flex; flex-direction: column; gap: 14px;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; }
.modal-head h3 { margin: 0; font-size: 15px; }
.modal-body { display: flex; flex-direction: column; gap: 12px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding-top: 4px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.rule-row { display: grid; grid-template-columns: 96px 1fr 1fr 74px 28px; gap: 6px; align-items: center; }
.rule-list { display: flex; flex-direction: column; gap: 6px; }
.icon-btn {
  width: 26px; height: 26px; display: grid; place-items: center; border-radius: 6px;
  border: 1px solid var(--line); background: transparent; color: var(--dim); cursor: pointer;
}
.icon-btn:hover { color: var(--red); border-color: rgba(248,113,113,.4); }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 0; display: flex; flex-direction: column; gap: 10px; }
fieldset > .btn { align-self: flex-start; }
legend { padding: 0 6px; font-size: 11.5px; color: var(--muted); }
.switch { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text); cursor: pointer; }
.switch input { width: 15px; height: 15px; accent-color: var(--accent); }

/* ---------------- 提示 ---------------- */
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  z-index: 60; padding: 9px 16px; border-radius: 10px;
  background: #12203a; border: 1px solid var(--line-2); color: var(--text);
  font-size: 12.5px; box-shadow: 0 16px 40px rgba(0,0,0,.5);
  max-width: 80vw; text-align: center;
}
.toast.err { border-color: rgba(248,113,113,.5); color: #fecaca; }
.toast.ok { border-color: rgba(52,211,153,.45); color: #bbf7d0; }

/* ---------------- 水表联调 ---------------- */
.water-layout { height: 100%; display: grid; grid-template-columns: 330px minmax(0, 1fr); gap: 12px; padding: 12px; min-height: 0; }

.wcard { padding: 10px 12px; border-bottom: 1px solid rgba(30, 43, 69, .6); cursor: pointer; }
.wcard:hover { background: rgba(255, 255, 255, .025); }
.wcard.active { background: rgba(56, 189, 248, .08); box-shadow: inset 2px 0 0 var(--accent); }
.wcard-top { display: flex; align-items: center; gap: 8px; }
.wcard-top b { font-family: var(--mono); font-size: 12.5px; font-weight: 600; letter-spacing: .3px; }
.wcard-meta { display: flex; align-items: center; gap: 10px; margin-top: 6px; font-family: var(--mono); font-size: 10.5px; color: var(--dim); }
.wcard-meta .w-on { color: var(--green); }
.wcard-meta .w-off { color: var(--dim); }
.warn-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); margin-right: 4px; vertical-align: 1px; }

.vtag { font-size: 10.5px; padding: 1px 7px; border-radius: 5px; border: 1px solid var(--line-2); color: var(--muted); white-space: nowrap; }
.vtag.v-open { color: var(--green); border-color: rgba(52, 211, 153, .35); background: rgba(52, 211, 153, .08); }
.vtag.v-closed { color: #93c5fd; border-color: rgba(147, 197, 253, .3); background: rgba(147, 197, 253, .08); }
.vtag.v-busy { color: var(--amber); border-color: rgba(251, 191, 36, .35); background: rgba(251, 191, 36, .08); }
.vtag.v-fault { color: var(--red); border-color: rgba(248, 113, 113, .4); background: rgba(248, 113, 113, .1); }
.vtag.v-unknown { color: var(--dim); }

.wdetail { padding: 14px; display: flex; flex-direction: column; gap: 16px; }
.wstats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.wstat {
  display: flex; flex-direction: column; gap: 4px; padding: 10px 12px;
  background: rgba(5, 9, 17, .38); border: 1px solid var(--line); border-radius: 10px;
}
.wstat span { font-size: 11px; color: var(--dim); }
.wstat b { font-family: var(--mono); font-size: 16px; font-weight: 600; }
.wstat b i { font-style: normal; font-size: 11px; color: var(--dim); font-weight: 400; }
.wstat b.warn { color: var(--amber); }
.wstat b.small { font-size: 12px; letter-spacing: .2px; word-break: break-all; line-height: 1.4; color: #cfe0f7; }

.wchips { display: flex; flex-wrap: wrap; gap: 6px; }
.wchip {
  font-family: var(--mono); font-size: 11.5px; padding: 3px 8px; border-radius: 6px;
  background: rgba(56, 189, 248, .06); border: 1px solid rgba(56, 189, 248, .16); color: #9fd8f5;
}
.wchip i { color: var(--dim); font-style: normal; margin-right: 6px; }

.wwindow { display: flex; flex-direction: column; gap: 6px; }
.window-bar { height: 6px; border-radius: 4px; background: #0a1220; border: 1px solid var(--line); overflow: hidden; }
.window-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--green), var(--accent)); transition: width .4s linear; }
.window-bar i.off { background: var(--dim); }

.wactions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.wactions .btn { height: 34px; padding: 0 18px; }
.wactions .btn:first-child { background: linear-gradient(180deg, #3ecf9a, #2aa87a); border-color: #35b98a; color: #04150f; font-weight: 600; }
.wactions .btn:nth-child(2) { color: #fca5a5; border-color: rgba(248, 113, 113, .35); background: rgba(248, 113, 113, .08); }

.wsection-title { font-size: 10.5px; letter-spacing: 1.3px; color: var(--dim); text-transform: uppercase; margin-bottom: 8px; }
.wlist { display: flex; flex-direction: column; gap: 6px; }

.wcmd { padding: 8px 10px; border: 1px solid var(--line); border-radius: 9px; background: rgba(5, 9, 17, .3); }
.wcmd-top { display: flex; align-items: center; gap: 8px; }
.wcmd-top b { font-size: 12.5px; font-weight: 600; }
.wtag { font-size: 10.5px; padding: 1px 7px; border-radius: 5px; border: 1px solid var(--line-2); color: var(--muted); }
.wtag.ok { color: var(--green); border-color: rgba(52, 211, 153, .35); background: rgba(52, 211, 153, .08); }
.wtag.fail { color: var(--red); border-color: rgba(248, 113, 113, .4); background: rgba(248, 113, 113, .1); }
.wtag.busy { color: var(--amber); border-color: rgba(251, 191, 36, .35); background: rgba(251, 191, 36, .08); }
.wtag.info { color: var(--accent); border-color: rgba(56, 189, 248, .3); background: rgba(56, 189, 248, .08); }
.wcmd-result { margin-top: 5px; font-size: 11.5px; }
.wcmd-result.ok { color: var(--green); }
.wcmd-result.fail { color: var(--red); }
.wcmd-result.busy { color: var(--amber); }
.wcmd-result.info { color: var(--muted); }

.wline { display: flex; align-items: center; gap: 10px; padding: 4px 0; border-bottom: 1px dashed rgba(30, 43, 69, .5); font-size: 12px; }
.wline b { font-family: var(--mono); font-size: 11.5px; color: var(--purple); font-weight: 500; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1180px) {
  .mqtt-layout { grid-template-columns: 260px minmax(0, 1fr); }
  .mqtt-layout > .panel:nth-child(3) { grid-column: 1 / -1; max-height: 320px; }
}
@media (max-width: 900px) {
  body { overflow: auto; }
  .shell { height: auto; min-height: 100%; grid-template-rows: auto auto auto; }
  .topbar { flex-wrap: wrap; padding: 10px 14px; gap: 10px; }
  .chips { order: 3; width: 100%; }
  .tcp-layout, .mqtt-layout { grid-template-columns: 1fr; height: auto; }
  .water-layout { grid-template-columns: 1fr; height: auto; }
  .wstats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panel { min-height: 280px; max-height: 60vh; }
  .log-row { grid-template-columns: 76px 14px minmax(0, 1fr); }
  .log-row.multi { grid-template-columns: 76px 14px minmax(0, 1fr); }
  .log-row.multi .who { display: none; }
  .log-row .ascii { display: none; }
  .settings { height: auto; }
  .form-grid { grid-template-columns: 1fr; }
  .rule-row { grid-template-columns: 1fr; }
  .settings-grid .wide { grid-column: auto; }
}