/* ═══════════════════════════════════════════════════════
   HUBPORT · 砼核风 / Brutalist Concrete Aesthetic
   探激美学：粗粝·工业·硬朗·原始·直给
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=Space+Mono:wght@400;700&family=Noto+Sans+SC:wght@400;700;900&display=swap');

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

/* ── 砼核色盘 ─────────────────────────────────────────
   基底：未处理混凝土   高亮：危险橙 / 荧光黄 / 数据绿
   ────────────────────────────────────────────────────── */
:root {
  --bg:       #111111;
  --bg2:      #1a1a1a;
  --bg3:      #222222;
  --surface:  #2a2a2a;
  --surface2: #333333;

  --border:   #3a3a3a;
  --border2:  #444444;
  --border-hi: #666666;

  /* 砼核三色高亮 */
  --acid:    #CCFF00;   /* 荧光黄绿·主高亮 */
  --iron:    #FF4500;   /* 铁锈橙·警告/危险 */
  --signal:  #00FF88;   /* 信号绿·在线/成功 */
  --ice:     #00CFFF;   /* 冰蓝·数据/信息 */

  /* 中性色 */
  --text:    #F0F0F0;
  --text2:   #A8A8A8;
  --muted:   #666666;
  --dim:     #444444;

  /* 别名（兼容旧 JS 引用） */
  --cyan:    var(--ice);
  --green:   var(--signal);
  --orange:  var(--iron);
  --red:     #FF2233;
  --gold:    var(--acid);
  --purple:  #BB44FF;

  /* 布局 */
  --sidebar:  220px;
  --header:   56px;
  --tab-bar:  64px;
  --radius:   0px;
}

/* ── 基础 ──────────────────────────────────────────── */
html, body {
  height: 100%;
  font-family: 'Noto Sans SC', 'Space Grotesk', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  cursor: default;
  overflow: hidden;
}

/* 砼核纹理：细颗粒噪点 + 水平扫描条 */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
  opacity: 0.6;
}

/* ── 布局框架 ──────────────────────────────────────── */
#app { display: flex; height: 100vh; overflow: hidden; position: relative; z-index: 1; }

/* ── SIDEBAR ───────────────────────────────────────── */
#sidebar {
  width: var(--sidebar);
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.2s;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px 18px;
  border-bottom: 2px solid var(--border);
}
.logo-icon {
  font-size: 1.4rem;
  color: var(--acid);
  line-height: 1;
}
.logo-text {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 2px;
  color: var(--text);
  text-transform: uppercase;
}
.logo-accent { color: var(--acid); }
.logo-sub {
  font-size: .6rem;
  color: var(--muted);
  letter-spacing: 1px;
  margin-top: 2px;
  text-transform: uppercase;
}

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.sidebar-nav::-webkit-scrollbar { width: 3px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border2); }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  cursor: pointer;
  color: var(--text2);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .5px;
  border-left: 3px solid transparent;
  transition: color .15s, background .15s, border-color .15s;
  position: relative;
}
.nav-item:hover {
  background: var(--surface);
  color: var(--text);
}
.nav-item.active {
  background: var(--surface);
  color: var(--acid);
  border-left-color: var(--acid);
}
.nav-icon { font-size: 1rem; width: 20px; text-align: center; }
.nav-badge {
  margin-left: auto;
  background: var(--iron);
  color: #fff;
  font-size: .6rem;
  font-weight: 700;
  min-width: 18px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 4px;
  font-family: 'Space Mono', monospace;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-top: 2px solid var(--border);
}
.user-avatar {
  width: 32px; height: 32px;
  background: var(--surface2);
  border: 1px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 700;
  color: var(--acid);
  font-family: 'Space Mono', monospace;
  flex-shrink: 0;
}
.user-name { font-size: .8rem; font-weight: 600; color: var(--text); }
.user-role { font-size: .65rem; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.btn-icon {
  background: none; border: none; cursor: pointer;
  color: var(--muted); font-size: 1rem;
  padding: 4px; margin-left: auto;
  transition: color .15s;
}
.btn-icon:hover { color: var(--iron); }

/* ── MAIN CONTENT ──────────────────────────────────── */
#main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ── HEADER ────────────────────────────────────────── */
#header {
  height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--bg2);
  border-bottom: 2px solid var(--border);
  flex-shrink: 0;
  gap: 12px;
}
.header-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.header-title {
  font-family: 'Space Mono', monospace;
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text);
  white-space: nowrap;
}
.header-right { display: flex; align-items: center; gap: 12px; }
.header-status {
  display: flex; align-items: center; gap: 5px;
  font-family: 'Space Mono', monospace;
  font-size: .72rem;
  color: var(--text2);
}
.header-time {
  font-family: 'Space Mono', monospace;
  font-size: .72rem;
  color: var(--muted);
  letter-spacing: 1px;
}

/* ── STATUS DOT ────────────────────────────────────── */
.status-dot {
  display: inline-block;
  width: 7px; height: 7px;
  flex-shrink: 0;
  background: var(--dim);
}
.status-dot.online  { background: var(--signal); }
.status-dot.offline { background: var(--iron); }
.status-dot.warn    { background: var(--acid); }
.status-dot.warning { background: var(--acid); }
.status-dot.error   { background: var(--red); }

/* ── PAGE ──────────────────────────────────────────── */
.page { display: none; flex: 1; overflow-y: auto; overflow-x: hidden; -webkit-overflow-scrolling: touch; }
.page.active { display: block; }
.page::-webkit-scrollbar { width: 4px; }
.page::-webkit-scrollbar-thumb { background: var(--border2); }

/* ── BTN ───────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px;
  font-family: 'Space Mono', monospace;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--text2);
  transition: background .15s, color .15s, border-color .15s;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  -webkit-appearance: none;
  appearance: none;
  box-sizing: border-box;
}
.btn:hover, .btn:active { background: var(--surface2); color: var(--text); border-color: var(--border-hi); }
.btn-primary   { background: var(--acid) !important; color: #000 !important; border-color: var(--acid) !important; font-weight: 900 !important; }
.btn-primary:hover, .btn-primary:active { background: #b8e600 !important; color: #000 !important; }
.btn-secondary { background: var(--surface) !important; color: var(--text2) !important; border-color: var(--border2) !important; }
.btn-danger    { background: var(--iron) !important; color: #fff !important; border-color: var(--iron) !important; }
.btn-sm        { padding: 5px 10px; font-size: .65rem; }
.btn-full      { width: 100%; display: flex; }
.btn-ghost     { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--border-hi); }

/* ── BADGE ─────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 6px;
  font-family: 'Space Mono', monospace;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  border: 1px solid;
  line-height: 1.4;
}
.badge-cyan   { color: var(--ice);    border-color: var(--ice);    background: rgba(0,207,255,.08); }
.badge-green  { color: var(--signal); border-color: var(--signal); background: rgba(0,255,136,.08); }
.badge-orange { color: var(--iron);   border-color: var(--iron);   background: rgba(255,69,0,.08); }
.badge-red    { color: var(--red);    border-color: var(--red);    background: rgba(255,34,51,.08); }
.badge-acid   { color: #000;          border-color: var(--acid);   background: var(--acid); }

.tag { display: inline-block; padding: 2px 8px; background: var(--surface); border: 1px solid var(--border); font-size: .65rem; color: var(--text2); letter-spacing: .5px; text-transform: uppercase; }

/* ── CARD ──────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  overflow: hidden;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-family: 'Space Mono', monospace;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text2);
}

/* ── FORM ──────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label {
  font-family: 'Space Mono', monospace;
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
}
.form-control, input[type=text], input[type=password], input[type=email], input[type=number], select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  font-size: .82rem;
  font-family: 'Space Mono', monospace;
  outline: none;
  transition: border-color .15s;
  -webkit-appearance: none;
  appearance: none;
}
.form-control:focus, input:focus, select:focus, textarea:focus {
  border-color: var(--acid);
  outline: 1px solid var(--acid);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ── LOGIN PAGE ────────────────────────────────────── */
#login-page {
  position: fixed;
  top: 0; left: 0; right: 0;
  bottom: 60px; /* tab bar 高度 */
  z-index: 200;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
/* 砼核登录：大斜角装饰线 */
#login-page::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--acid) 0%, var(--acid) 40%, transparent 40%);
}
.login-card {
  width: 420px; max-width: calc(100vw - 24px);
  background: var(--bg2);
  border-left: 3px solid var(--acid);
  border-top: 1px solid var(--border2);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 28px 24px;
  display: flex; flex-direction: column; gap: 12px;
  position: relative;
}
/* 右下角标号 */
.login-card::after {
  content: 'v3.0 · HUBPORT-OS';
  position: absolute; bottom: 10px; right: 14px;
  font-family: 'Space Mono', monospace;
  font-size: .55rem; color: var(--dim);
  letter-spacing: 1px;
}
.login-logo {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 8px;
}
.login-logo .logo-icon {
  width: 36px; height: 36px;
  border: 2px solid var(--acid);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--acid);
}
.login-logo .logo-text {
  font-family: 'Space Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--text);
}
.login-logo .logo-accent { color: var(--acid); }
.login-sub {
  font-size: .65rem;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  padding-left: 50px;
  margin-top: -10px;
}
.login-hint {
  font-size: .65rem;
  color: var(--dim);
  text-align: center;
  font-family: 'Space Mono', monospace;
  margin-top: 4px;
}
.login-error {
  font-size: .75rem; color: var(--iron);
  text-align: center;
  border: 1px solid var(--iron);
  padding: 8px;
  display: none;
  font-family: 'Space Mono', monospace;
}
.login-error.show { display: block; }

/* ── METRIC CARDS (Dashboard) ──────────────────────── */
.dash-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  padding: 0;
  margin-bottom: 1px;
}
.metric-card {
  background: var(--bg2);
  padding: 20px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: background .15s;
}
.metric-card:hover { background: var(--bg3); }
.metric-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--border2);
}
.metric-card.critical::before { background: var(--iron); }
.metric-card.online::before   { background: var(--signal); }
.metric-card.active::before   { background: var(--acid); }

.metric-label {
  font-family: 'Space Mono', monospace;
  font-size: .6rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 8px;
}
.metric-val {
  font-family: 'Space Mono', monospace;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  margin-bottom: 4px;
}
.metric-card.critical .metric-val { color: var(--iron); }
.metric-card.active .metric-val   { color: var(--acid); }
.metric-sub {
  font-size: .68rem;
  color: var(--muted);
  margin-bottom: 6px;
}
.metric-trend {
  font-family: 'Space Mono', monospace;
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.metric-trend.up   { color: var(--signal); }
.metric-trend.down { color: var(--iron); }

/* ── DASH ROW LAYOUTS ──────────────────────────────── */
.dash-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  margin-bottom: 1px;
}
.dash-row-3 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
  margin-bottom: 1px;
}

/* ── DASH DEVICE ROW ───────────────────────────────── */
.dash-device-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .1s;
  font-size: .78rem;
}
.dash-device-row:last-child { border-bottom: none; }
.dash-device-row:hover { background: var(--surface); }
.dd-name { flex: 1; font-weight: 500; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dd-proto { flex-shrink: 0; }
.dd-metric { font-family: 'Space Mono', monospace; font-size: .7rem; color: var(--ice); min-width: 60px; }
.dd-ip { font-family: 'Space Mono', monospace; font-size: .65rem; color: var(--muted); flex-shrink: 0; }

/* ── ALERT ROW ─────────────────────────────────────── */
.alert-row {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: .78rem;
}
.alert-row:last-child { border-bottom: none; }
.alert-row.critical { border-left: 3px solid var(--iron); }
.alert-row.warn     { border-left: 3px solid var(--acid); }
.alert-row.info     { border-left: 3px solid var(--ice); }
.alert-level-dot { width: 6px; height: 6px; flex-shrink: 0; }
.alert-level-dot.critical { background: var(--iron); }
.alert-level-dot.warn     { background: var(--acid); }
.alert-level-dot.info     { background: var(--ice); }
.alert-content { flex: 1; min-width: 0; }
.alert-source { font-size: .65rem; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; font-family: 'Space Mono', monospace; }
.alert-msg { color: var(--text); font-size: .78rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.alert-time { font-size: .62rem; color: var(--muted); white-space: nowrap; font-family: 'Space Mono', monospace; }

/* ── LOG STREAM ────────────────────────────────────── */
.log-stream {
  padding: 8px 0;
  font-family: 'Space Mono', monospace;
  font-size: .65rem;
  overflow-y: auto;
  height: 180px;
}
.log-entry {
  display: flex; gap: 8px;
  padding: 3px 16px;
  border-bottom: 1px solid rgba(255,255,255,.03);
  line-height: 1.5;
}
.log-ts { color: var(--dim); flex-shrink: 0; }
.log-level { flex-shrink: 0; width: 36px; text-transform: uppercase; font-weight: 700; }
.log-level.info  { color: var(--ice); }
.log-level.warn  { color: var(--acid); }
.log-level.error { color: var(--iron); }
.log-msg { color: var(--text2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── DEVICE GRID ───────────────────────────────────── */
.devices-toolbar {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.dev-search {
  flex: 1; min-width: 200px;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 8px 12px;
  font-size: .8rem;
  color: var(--text);
  font-family: 'Space Mono', monospace;
  outline: none;
}
.dev-search:focus { border-color: var(--acid); }
.dev-filter-group { display: flex; gap: 6px; flex-wrap: wrap; }
.dev-action-group { display: flex; gap: 6px; margin-left: auto; }

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background: var(--border);
  padding: 1px;
}
.device-card {
  background: var(--bg2);
  padding: 18px;
  cursor: pointer;
  transition: background .15s;
  position: relative;
  border-left: 3px solid var(--border);
}
.device-card:hover { background: var(--bg3); }
.device-card.online  { border-left-color: var(--signal); }
.device-card.offline { border-left-color: var(--iron); }
.device-card.warn    { border-left-color: var(--acid); }
.device-card-header { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.device-name { font-weight: 700; font-size: .88rem; flex: 1; }
.device-proto {
  font-family: 'Space Mono', monospace;
  font-size: .62rem;
  color: var(--text2);
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.device-ip { font-family: 'Space Mono', monospace; font-size: .65rem; color: var(--muted); margin-bottom: 10px; }
.device-metrics { display: grid; grid-template-columns: repeat(2,1fr); gap: 6px; margin-bottom: 10px; }
.device-metric {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 6px 8px;
}
.device-metric .metric-key { display: block; font-family: 'Space Mono', monospace; font-size: .55rem; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.device-metric .metric-val { display: block; font-family: 'Space Mono', monospace; font-size: .9rem; font-weight: 700; color: var(--ice); }
.device-footer { font-size: .65rem; color: var(--muted); }
.device-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px; }

/* ── DETAIL PANEL (侧滑) ───────────────────────────── */
#device-detail-panel {
  position: fixed; top: 0; right: -420px; bottom: 0;
  width: 420px;
  background: var(--bg2);
  border-left: 2px solid var(--border);
  z-index: 500;
  overflow-y: auto;
  transition: right .25s;
}
#device-detail-panel.open { right: 0; }

/* ── AI CHAT ───────────────────────────────────────── */
.chat-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  height: calc(100vh - var(--header));
}
.chat-left {
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex; flex-direction: column;
}
.chat-left-title {
  padding: 12px 14px;
  font-family: 'Space Mono', monospace;
  font-size: .62rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.chat-dev-item {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
  clip-path: none;
}
.chat-dev-item:hover { background: var(--surface); }
.chat-dev-item.active { background: var(--surface); border-left: 3px solid var(--acid); color: var(--acid); }
.chat-dev-name { font-size: .8rem; font-weight: 500; }
.dev-ip { font-size: .62rem; color: var(--muted); font-family: 'Space Mono', monospace; }
.dev-proto-tag { font-size: .58rem; }
.chat-right { display: flex; flex-direction: column; overflow: hidden; }
.chat-messages { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.chat-messages::-webkit-scrollbar { width: 3px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border2); }
.chat-bubble {
  max-width: 80%;
  padding: 10px 14px;
  font-size: .82rem;
  line-height: 1.7;
  border: 1px solid var(--border);
}
.chat-bubble.user { align-self: flex-end; background: var(--surface); border-color: var(--border2); }
.chat-bubble.ai   { align-self: flex-start; background: var(--bg2); border-color: var(--border); border-left: 3px solid var(--acid); }
.chat-shortcuts {
  padding: 8px 14px;
  display: flex; flex-wrap: wrap; gap: 6px;
  border-top: 1px solid var(--border);
}
.shortcut { padding: 4px 10px; font-size: .65rem; cursor: pointer; }
.chat-input-row {
  display: flex; gap: 8px; padding: 12px 14px;
  border-top: 1px solid var(--border);
}
.chat-input-row textarea { flex: 1; resize: none; height: 38px; line-height: 1.4; padding: 8px 10px; font-size: .82rem; }

/* ── SKILLS ────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
  padding: 1px;
}
.skill-card {
  background: var(--bg2);
  padding: 20px;
  transition: background .15s;
  border-left: 3px solid var(--border);
}
.skill-card.active { border-left-color: var(--acid); }
.skill-card:hover { background: var(--bg3); }
.skill-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.skill-name { font-weight: 700; font-size: .88rem; }
.skill-desc { font-size: .75rem; color: var(--text2); line-height: 1.6; margin-bottom: 14px; }
.skill-footer { display: flex; align-items: center; justify-content: space-between; }
.skill-toggle {
  display: flex; align-items: center; gap: 6px;
  font-size: .65rem; color: var(--muted); text-transform: uppercase;
  letter-spacing: .5px; font-family: 'Space Mono', monospace;
}
.toggle-switch {
  width: 32px; height: 18px;
  background: var(--surface2);
  border: 1px solid var(--border2);
  position: relative;
  cursor: pointer; flex-shrink: 0;
}
.toggle-switch::after {
  content: ''; position: absolute;
  top: 2px; left: 2px;
  width: 12px; height: 12px;
  background: var(--muted);
  transition: left .2s, background .2s;
}
.toggle-switch.on { background: rgba(204,255,0,.15); border-color: var(--acid); }
.toggle-switch.on::after { left: 16px; background: var(--acid); }

/* ── MODAL ─────────────────────────────────────────── */
.modal-box, .modal {
  background: var(--bg2);
  border: 2px solid var(--border2);
  padding: 28px 24px;
  width: 480px; max-width: calc(100vw - 32px);
  max-height: 80vh; overflow-y: auto;
}
.modal-title {
  font-family: 'Space Mono', monospace;
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}
.modal-actions { display: flex; gap: 10px; margin-top: 20px; justify-content: flex-end; }

/* ── TOAST ─────────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 80px; right: 16px;
  z-index: 2000;
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 10px 16px;
  font-family: 'Space Mono', monospace;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: #000;
  background: var(--acid);
  border-left: 4px solid #000;
  animation: toastIn .2s ease, toastOut .3s ease 2.7s forwards;
  max-width: 300px;
  pointer-events: none;
}
.toast.error   { background: var(--iron); color: #fff; }
.toast.info    { background: var(--ice); color: #000; }
.toast.success { background: var(--signal); color: #000; }
@keyframes toastIn  { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }
@keyframes toastOut { from { opacity:1; } to { opacity:0; } }

/* ── CONNECT (接入新设备) ──────────────────────────── */
.connect-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: calc(100vh - var(--header));
}
.connect-left {
  padding: 24px;
  border-right: 1px solid var(--border);
  overflow-y: auto;
}
.connect-right { display: flex; flex-direction: column; overflow: hidden; }
.ai-stream {
  flex: 1; overflow-y: auto;
  padding: 20px; background: var(--bg);
  font-family: 'Space Mono', monospace;
  font-size: .75rem; line-height: 1.8;
  color: var(--signal);
}
.connect-section-title {
  font-family: 'Space Mono', monospace; font-size: .62rem;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--muted); margin-bottom: 8px;
}

/* ── API EXPLORER ──────────────────────────────────── */
.explorer-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: calc(100vh - var(--header));
}
.explorer-left { border-right: 1px solid var(--border); overflow-y: auto; }
.explorer-right { overflow-y: auto; padding: 24px; }
.api-group-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  cursor: pointer;
  font-family: 'Space Mono', monospace; font-size: .68rem;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.api-group-header:hover { background: var(--surface); }
.api-group-count {
  background: var(--surface2);
  font-size: .6rem; padding: 1px 6px;
  font-family: 'Space Mono', monospace;
}
.api-method-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 20px;
  cursor: pointer; font-size: .75rem;
  border-bottom: 1px solid rgba(255,255,255,.04);
  transition: background .15s;
}
.api-method-item:hover { background: var(--surface); }
.api-method-item.active { background: var(--surface); border-left: 3px solid var(--acid); }
.method-badge { font-family: 'Space Mono', monospace; font-size: .6rem; font-weight: 700; padding: 1px 5px; min-width: 48px; text-align: center; border: 1px solid; }
.method-get    { color: var(--signal); border-color: var(--signal); }
.method-post   { color: var(--acid);   border-color: var(--acid); }
.method-put    { color: var(--ice);    border-color: var(--ice); }
.method-delete { color: var(--iron);   border-color: var(--iron); }
.method-path { font-family: 'Space Mono', monospace; font-size: .7rem; color: var(--text2); }
.api-detail-header { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.api-detail-path { font-family: 'Space Mono', monospace; font-size: 1rem; font-weight: 700; color: var(--text); }
.api-section-title {
  font-family: 'Space Mono', monospace; font-size: .6rem; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--muted); margin: 12px 0 6px;
}
.code-block {
  background: var(--bg); border: 1px solid var(--border);
  padding: 12px; font-family: 'Space Mono', monospace; font-size: .72rem;
  color: var(--signal); white-space: pre-wrap; word-break: break-all;
}
.api-body-input { height: 100px; font-family: 'Space Mono', monospace; font-size: .72rem; }
.resp-status { font-family: 'Space Mono', monospace; font-size: .75rem; font-weight: 700; padding: 6px 10px; margin-bottom: 6px; }
.resp-status.ok    { background: rgba(0,255,136,.1); color: var(--signal); border: 1px solid var(--signal); }
.resp-status.error { background: rgba(255,69,0,.1);  color: var(--iron);   border: 1px solid var(--iron); }

/* ── MARKET ────────────────────────────────────────── */
.market-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(260px,1fr)); gap: 1px; background: var(--border); padding: 1px; }
.market-card { background: var(--bg2); padding: 20px; transition: background .15s; border-top: 2px solid var(--border); }
.market-card:hover { background: var(--bg3); border-top-color: var(--acid); }
.market-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.market-name { font-weight: 700; font-size: .88rem; }
.market-ver { font-family: 'Space Mono', monospace; font-size: .62rem; color: var(--muted); }
.market-desc { font-size: .75rem; color: var(--text2); line-height: 1.5; margin-bottom: 10px; }
.market-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 14px; }
.market-footer { display: flex; align-items: center; justify-content: space-between; }
.muted { color: var(--muted); }

/* ── REPORTS ───────────────────────────────────────── */
.history-toolbar { display: flex; align-items: center; gap: 10px; padding: 14px 20px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.report-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1px; background: var(--border); }
.kv-grid { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; padding: 14px 16px; font-size: .78rem; }
.kv-key { color: var(--muted); font-family: 'Space Mono', monospace; font-size: .65rem; text-transform: uppercase; letter-spacing: .5px; }
.kv-val { color: var(--text); font-family: 'Space Mono', monospace; font-size: .75rem; }
#history-chart { width: 100%; display: block; }
.data-table { width: 100%; border-collapse: collapse; font-size: .75rem; }
.data-table th { padding: 8px 12px; background: var(--surface); border: 1px solid var(--border); font-family: 'Space Mono', monospace; font-size: .6rem; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); text-align: left; }
.data-table td { padding: 8px 12px; border: 1px solid var(--border); font-family: 'Space Mono', monospace; font-size: .72rem; }

/* ── MONITOR ───────────────────────────────────────── */
.alert-list { padding: 0; }
.monitor-toolbar { display: flex; align-items: center; gap: 10px; padding: 14px 20px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.monitor-tabs { display: flex; border-bottom: 1px solid var(--border); }
.monitor-tab { padding: 11px 20px; cursor: pointer; font-family: 'Space Mono', monospace; font-size: .68rem; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); border-bottom: 2px solid transparent; transition: color .15s, border-color .15s; }
.monitor-tab.active { color: var(--acid); border-bottom-color: var(--acid); }
.section-header { padding: 12px 20px; border-bottom: 1px solid var(--border); font-family: 'Space Mono', monospace; font-size: .68rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); }

/* ── ACCESS (接入管理) ─────────────────────────────── */
.spec-list, .driver-list, .instance-list { padding: 0; }
.spec-row, .driver-row, .instance-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  font-size: .8rem; cursor: pointer;
  transition: background .1s;
}
.spec-row:hover, .driver-row:hover, .instance-row:hover { background: var(--surface); }
.spec-name, .driver-name, .instance-name { font-weight: 600; flex: 1; }
.spec-proto, .driver-proto { font-family: 'Space Mono', monospace; font-size: .62rem; color: var(--muted); }
.page-tabs { display: flex; border-bottom: 2px solid var(--border); }
.page-tab { padding: 10px 20px; cursor: pointer; font-family: 'Space Mono', monospace; font-size: .68rem; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -2px; transition: color .15s; }
.page-tab.active { color: var(--acid); border-bottom-color: var(--acid); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── TYPING DOTS ───────────────────────────────────── */
.typing-dots { display: inline-flex; gap: 4px; align-items: center; padding: 4px 0; }
.typing-dots span { width: 5px; height: 5px; background: var(--acid); display: inline-block; animation: blink 1.2s infinite; }
.typing-dots span:nth-child(2) { animation-delay: .2s; }
.typing-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,80%,100% { opacity:.2; } 40% { opacity:1; } }

/* ── EMPTY STATE ───────────────────────────────────── */
.empty-state { padding: 40px; text-align: center; color: var(--dim); font-family: 'Space Mono', monospace; font-size: .75rem; text-transform: uppercase; letter-spacing: 1px; }

/* ── MCP endpoint info ─────────────────────────────── */
.mcp-endpoint-box { background: var(--bg); border: 1px solid var(--acid); padding: 14px 16px; margin: 12px 0; }
.mcp-endpoint-url { font-family: 'Space Mono', monospace; font-size: .75rem; color: var(--acid); word-break: break-all; }

/* ── USER MENU ─────────────────────────────────────── */
#userMenu {
  position: fixed;
  background: var(--bg2);
  border: 1px solid var(--border2);
  padding: 8px 0;
  z-index: 600;
  min-width: 160px;
  display: none;
}
#userMenu.show { display: block; }
.user-menu-item { padding: 10px 16px; font-size: .8rem; cursor: pointer; color: var(--text2); }
.user-menu-item:hover { background: var(--surface); color: var(--text); }

/* ── PROTO TAGS ────────────────────────────────────── */
.protocol-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.proto-tag {
  padding: 5px 12px;
  font-family: 'Space Mono', monospace; font-size: .65rem;
  text-transform: uppercase; letter-spacing: 1px;
  cursor: pointer;
  background: var(--bg); border: 1px solid var(--border);
  color: var(--muted); transition: border-color .15s, color .15s;
}
.proto-tag.active, .proto-tag:hover { border-color: var(--acid); color: var(--acid); }

/* ── CHANNEL / ALERT ACTION LIST ──────────────────── */
.channel-list .channel-row { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.channel-name { font-weight: 600; font-size: .82rem; flex: 1; }
.channel-type { font-family: 'Space Mono', monospace; font-size: .62rem; color: var(--muted); }

/* ─────────────────────────────────────────────────────
   ██████  移动端 (≤ 768px) — 砼核移动适配
   ───────────────────────────────────────────────────── */
@media (max-width: 768px) {

  :root {
    --sidebar: 0px;
    --header: 52px;
    --tab-bar: 60px;
    font-size: 13px;
  }

  /* ── 强制防缩放 ── */
  html { touch-action: manipulation; }

  /* ── 侧边栏隐藏 ── */
  #sidebar { display: none !important; }

  /* ── 主内容留底 ── */
  #main-content { padding-bottom: var(--tab-bar); }

  /* ── Header ── */
  #header { padding: 0 12px; }
  .header-title { font-size: .75rem; letter-spacing: 1px; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .header-time { display: none; }
  .header-status { font-size: .62rem; }

  /* ── 底部 Tab Bar — 砼核风 ── */
  #mobile-tab-bar {
    position: fixed; bottom: 0; left: 0; right: 0;
    height: var(--tab-bar);
    background: var(--bg2);
    border-top: 1px solid var(--border2);
    /* 顶部一条荧光线 */
    box-shadow: 0 -1px 0 0 var(--border), inset 0 1px 0 0 rgba(204,255,0,.15);
    display: flex !important;
    align-items: stretch;
    z-index: 900;
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  .mob-tab {
    flex: 1;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 4px;
    cursor: pointer;
    color: var(--muted);
    -webkit-tap-highlight-color: transparent;
    position: relative;
    border-right: 1px solid var(--border);
    transition: color .12s, background .12s;
  }
  .mob-tab:last-child { border-right: none; }
  .mob-tab:active { background: rgba(255,255,255,.03); }
  .mob-tab-icon { font-size: 1.1rem; line-height: 1; }
  .mob-tab span:last-child {
    font-family: 'Space Mono', monospace;
    font-size: .5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
  }
  .mob-tab.active { color: var(--acid); }
  .mob-tab.active::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--acid);
  }
  .mob-badge {
    position: absolute; top: 6px; right: calc(50% - 18px);
    background: var(--iron); color: #fff;
    font-size: .48rem; font-weight: 700;
    width: 14px; height: 14px;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Space Mono', monospace;
  }

  /* ── 页面容器 ── */
  .page { overflow-y: auto; -webkit-overflow-scrolling: touch; }

  /* ── 仪表盘 — 2列 ── */
  .dash-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-row-2, .dash-row-3 { grid-template-columns: 1fr; }
  .metric-val { font-size: 2.2rem; font-weight: 700; }
  .metric-card { padding: 16px 14px; }
  .metric-label { font-size: .55rem; }
  .dd-ip { display: none; }

  /* ── 设备工具栏 ── */
  .devices-toolbar { padding: 10px 12px; gap: 8px; }
  .dev-search { width: 100%; order: -1; }
  .dev-filter-group .btn { padding: 5px 8px; font-size: .6rem; }
  .dev-action-group { margin-left: 0; }
  .device-grid { grid-template-columns: 1fr; }
  .device-card { padding: 14px; }

  /* ── 接入新设备 ── */
  .connect-layout { grid-template-columns: 1fr; height: auto; overflow: visible; }
  .connect-left { border-right: none; border-bottom: 1px solid var(--border); padding: 16px; }
  .connect-right { min-height: 320px; }
  .ai-stream { min-height: 240px; }

  /* ── AI 对话 ── */
  .chat-layout {
    display: flex !important;
    flex-direction: column !important;
    height: calc(100vh - var(--header) - var(--tab-bar));
    overflow: hidden;
  }
  .chat-left {
    flex-direction: row !important;
    height: 48px !important; flex-shrink: 0 !important;
    overflow-x: auto !important; overflow-y: hidden !important;
    -webkit-overflow-scrolling: touch;
    padding: 6px 8px !important;
    gap: 6px !important;
    border-right: none !important; border-bottom: 1px solid var(--border);
    scrollbar-width: none;
  }
  .chat-left::-webkit-scrollbar { display: none; }
  .chat-left-title { display: none !important; }
  #chat-dev-list { display: contents; }
  .chat-dev-item {
    display: inline-flex !important; flex-direction: row !important;
    padding: 5px 12px !important; gap: 5px !important;
    white-space: nowrap !important; flex-shrink: 0 !important;
    min-width: auto !important; height: 34px !important;
    font-size: .72rem !important;
  }
  .chat-dev-item .dev-ip, .chat-dev-item .dev-proto-tag { display: none !important; }
  .chat-right { flex: 1; display: flex !important; flex-direction: column !important; overflow: hidden; min-height: 0; }
  .chat-messages { flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 12px !important; min-height: 0; }
  .chat-shortcuts { flex-wrap: nowrap !important; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; padding: 6px 10px !important; }
  .chat-shortcuts::-webkit-scrollbar { display: none; }
  .shortcut { flex-shrink: 0; }
  .chat-input-row { padding: 8px 10px !important; }

  /* ── Skill & MCP ── */
  .skills-grid { grid-template-columns: 1fr; }

  /* ── 告警 ── */
  .alert-row { padding: 10px 12px; }

  /* ── 详情面板 全屏 ── */
  #device-detail-panel { width: 100% !important; right: -100% !important; }
  #device-detail-panel.open { right: 0 !important; }

  /* ── Explorer ── */
  .explorer-layout { grid-template-columns: 1fr; height: auto; }
  #api-groups { max-height: 240px; overflow-y: auto; border-bottom: 1px solid var(--border); }
  .explorer-right { padding: 16px; }

  /* ── Market ── */
  .market-grid { grid-template-columns: 1fr; }
  .market-card { padding: 16px; }

  /* ── Reports ── */
  .report-grid { grid-template-columns: 1fr; }
  .history-toolbar { padding: 10px 12px; }

  /* ── Form ── */
  .form-row { grid-template-columns: 1fr; }

  /* ── Modal ── */
  .modal-box, .modal { width: calc(100vw - 24px); max-height: 85vh; overflow-y: auto; padding: 20px 16px; }

  /* ── Toast 位置 ── */
  #toast-container { bottom: calc(var(--tab-bar) + 12px); right: 12px; left: 12px; }
  .toast { max-width: 100%; }

  /* ── 通用间距 ── */
  .card { }
  .card-header { padding: 10px 14px; }
  .section-header { padding: 10px 14px; }
  .monitor-tab { padding: 10px 14px; font-size: .62rem; }
  .page-tab { padding: 9px 14px; }

  /* ── 隐藏列表面板里的次要列 ── */
  .kv-grid { padding: 10px 14px; }

  /* ── 登录页 ── */
  .login-card { padding: 20px 16px 16px; gap: 10px; }
  .login-logo { gap: 10px; margin-bottom: 2px; }
  .login-logo .logo-icon { width: 28px; height: 28px; font-size: .9rem; }
  .login-logo .logo-text { font-size: 1.1rem; letter-spacing: 4px; }
  .login-sub { display: none; }
  .form-group label { font-size: .6rem; }
  .form-control { height: 38px; font-size: .85rem; }
  .login-sub { padding-left: 0; margin-top: 0; }
  .login-hint { font-size: .65rem; }
}

/* ─── 极小屏 (≤ 360px) ─── */
@media (max-width: 360px) {
  .metric-val { font-size: 1.5rem; }
  .mob-tab span:last-child { display: none; }
  .mob-tab-icon { font-size: 1.1rem; }
}