/* ─── HubPort App · Cyberpunk UI ─── */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

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

:root {
  --bg:      #050810;
  --bg2:     #080d18;
  --bg3:     #0b1020;
  --border:  rgba(0,229,255,.18);
  --border2: rgba(255,255,255,.06);
  --cyan:    #00e5ff;
  --cyan2:   rgba(0,229,255,.08);
  --orange:  #ff6d00;
  --orange2: rgba(255,109,0,.08);
  --green:   #39ff14;
  --green2:  rgba(57,255,20,.08);
  --red:     #ff1744;
  --gold:    #ffd740;
  --purple:  #7b2fff;
  --text:    #e0eaff;
  --text2:   #6a7a9a;
  --muted:   #4a5680;
  --sidebar: 224px;
  --header:  58px;
}

html,body { height:100%; font-family:'Noto Sans SC',sans-serif; background:var(--bg); color:var(--text); font-size:14px; cursor:crosshair; }

/* grid bg */
body::before {
  content:''; position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(0,229,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,229,255,.035) 1px,transparent 1px);
  background-size:40px 40px;
}
/* scanlines */
body::after {
  content:''; position:fixed; inset:0; z-index:1; pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.12) 2px,rgba(0,0,0,.12) 4px);
}

/* ─── LAYOUT ─── */
#app { display:flex; height:100vh; overflow:hidden; position:relative; z-index:2; }

/* SIDEBAR */
#sidebar {
  width:var(--sidebar); flex-shrink:0;
  background:rgba(8,13,24,.95);
  border-right:1px solid var(--border);
  display:flex; flex-direction:column;
  z-index:10; backdrop-filter:blur(12px);
}
.sidebar-logo {
  height:var(--header);
  display:flex; align-items:center; padding:0 20px;
  border-bottom:1px solid var(--border);
  font-family:'Orbitron',monospace;
  font-size:1.1rem; font-weight:900; letter-spacing:4px;
  color:var(--cyan); text-shadow:0 0 20px var(--cyan);
  flex-shrink:0; gap:0;
}
.sidebar-logo span { color:var(--orange); }
.sidebar-logo small {
  font-family:'Rajdhani',sans-serif;
  font-size:.62rem; color:var(--muted);
  display:block; letter-spacing:2px;
  font-weight:600; margin-top:3px; text-transform:uppercase;
}

.nav-section { padding:16px 12px 4px; }
.nav-label {
  font-family:'Rajdhani',sans-serif;
  font-size:.62rem; letter-spacing:3px; color:var(--muted);
  text-transform:uppercase; margin-bottom:8px; padding-left:10px;
}
.nav-item {
  display:flex; align-items:center; gap:10px;
  padding:9px 12px;
  cursor:pointer; color:var(--muted);
  font-family:'Rajdhani',sans-serif;
  font-size:.9rem; font-weight:600; letter-spacing:1px;
  transition:all .15s; margin-bottom:2px;
  position:relative; border-left:2px solid transparent;
}
.nav-item:hover { color:var(--text); background:rgba(0,229,255,.04); }
.nav-item.active { color:var(--cyan); background:rgba(0,229,255,.07); border-left-color:var(--cyan); }
.nav-item .icon { font-size:.95rem; width:18px; text-align:center; }
.nav-badge {
  margin-left:auto; background:var(--red);
  color:#fff; font-size:.6rem; font-weight:700;
  padding:1px 6px; border-radius:2px; min-width:16px; text-align:center;
  font-family:'Rajdhani',sans-serif;
}

.sidebar-bottom {
  margin-top:auto;
  border-top:1px solid rgba(0,229,255,.1);
  padding:12px;
}
.user-card {
  display:flex; align-items:center; gap:10px;
  padding:8px 10px; cursor:pointer; transition:background .15s;
}
.user-card:hover { background:rgba(0,229,255,.04); }
.user-avatar {
  width:30px; height:30px;
  clip-path:polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
  background:linear-gradient(135deg,var(--purple),var(--cyan));
  display:flex; align-items:center; justify-content:center;
  font-size:.75rem; font-weight:700; flex-shrink:0; color:#fff;
  font-family:'Rajdhani',sans-serif;
}
.user-name { font-family:'Rajdhani',sans-serif; font-size:.9rem; font-weight:700; color:var(--text); letter-spacing:1px; }
.user-role { font-size:.65rem; color:var(--muted); font-family:'Rajdhani',sans-serif; letter-spacing:1px; }

/* MAIN */
#main { flex:1; display:flex; flex-direction:column; overflow:hidden; }
#header {
  height:var(--header); flex-shrink:0;
  display:flex; align-items:center; padding:0 24px;
  border-bottom:1px solid var(--border);
  background:rgba(8,13,24,.9); gap:14px; backdrop-filter:blur(12px);
}
.header-title {
  font-family:'Rajdhani',sans-serif; font-size:1rem; font-weight:700;
  letter-spacing:3px; text-transform:uppercase; color:var(--text);
}
.header-right { margin-left:auto; display:flex; align-items:center; gap:12px; }
.header-status {
  display:flex; align-items:center; gap:6px;
  font-family:'Rajdhani',sans-serif; font-size:.75rem; color:var(--green);
  letter-spacing:1px;
}
.status-dot { width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green);animation:blink 2s infinite; }

#content { flex:1; overflow:auto; }
.page { display:none; }
.page.active { display:block; }

/* ─── CORE COMPONENTS ─── */

/* card */
.card {
  background:rgba(255,255,255,.02);
  border:1px solid var(--border2);
  transition:border-color .2s, transform .2s;
}
.card:hover { border-color:rgba(0,229,255,.2); }

/* buttons */
.btn {
  display:inline-flex; align-items:center; gap:6px;
  border:none; cursor:pointer;
  font-family:'Rajdhani',sans-serif;
  font-weight:700; letter-spacing:1.5px; font-size:.85rem;
  transition:all .2s; text-decoration:none;
}
.btn-primary {
  padding:8px 20px;
  background:var(--cyan); color:var(--bg);
  clip-path:polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%);
}
.btn-primary:hover { background:#80f5ff; box-shadow:0 4px 20px rgba(0,229,255,.35); transform:translateY(-1px); }
.btn-secondary {
  padding:7px 18px;
  background:transparent; color:var(--text);
  border:1px solid rgba(224,234,255,.2);
  clip-path:polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
}
.btn-secondary:hover { border-color:var(--cyan); color:var(--cyan); }
.btn-danger {
  padding:7px 18px;
  background:rgba(255,23,68,.1); color:var(--red);
  border:1px solid rgba(255,23,68,.3);
  clip-path:polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
}
.btn-danger:hover { background:rgba(255,23,68,.2); }
.btn-sm { padding:4px 12px; font-size:.78rem; }
.btn-icon { padding:6px 8px; clip-path:none; }

/* badge */
.badge {
  display:inline-flex; align-items:center;
  font-family:'Rajdhani',sans-serif;
  font-size:.68rem; font-weight:700; letter-spacing:1px;
  padding:2px 8px;
  clip-path:polygon(4px 0%,100% 0%,calc(100% - 4px) 100%,0% 100%);
}
.badge-online { background:rgba(57,255,20,.12); color:var(--green); }
.badge-warn   { background:rgba(255,215,64,.12); color:var(--gold); }
.badge-offline{ background:rgba(255,255,255,.06); color:var(--muted); }
.badge-info   { background:rgba(0,229,255,.1);   color:var(--cyan); }
.badge-purple { background:rgba(123,47,255,.15); color:#b07fff; }
.badge-live   { background:rgba(57,255,20,.1); color:var(--green); animation:blink 2s infinite; }

/* inputs */
input, textarea, select {
  background:rgba(0,0,0,.4); color:var(--text);
  border:1px solid rgba(0,229,255,.15);
  padding:8px 12px; font-size:.82rem; width:100%;
  font-family:'Noto Sans SC',sans-serif; outline:none;
  transition:border-color .15s;
}
input:focus, textarea:focus, select:focus { border-color:rgba(0,229,255,.5); box-shadow:0 0 8px rgba(0,229,255,.1); }
label { font-family:'Rajdhani',sans-serif; font-size:.78rem; font-weight:600; letter-spacing:1px; color:var(--muted); margin-bottom:6px; display:block; text-transform:uppercase; }

.form-group { margin-bottom:14px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }

/* code */
.code-block {
  background:#020408; border:1px solid var(--border);
  padding:14px 16px;
  font-family:'JetBrains Mono',monospace; font-size:.72rem;
  color:#a6d4ff; overflow:auto; white-space:pre; line-height:1.7;
  position:relative;
}
.copy-btn { position:absolute; top:8px; right:8px; }

/* divider */
.divider { border:none; border-top:1px solid var(--border2); margin:16px 0; }

/* toast */
#toast-container { position:fixed; bottom:20px; right:20px; z-index:9999; display:flex; flex-direction:column-reverse; gap:8px; }
.toast {
  padding:10px 16px; font-size:.82rem; max-width:280px;
  border-left:3px solid; animation:slideIn .2s ease;
  font-family:'Rajdhani',sans-serif; font-weight:600; letter-spacing:.5px;
  backdrop-filter:blur(8px);
  clip-path:polygon(0 0,100% 0,100% 100%,8px 100%);
}
.toast-success { background:rgba(57,255,20,.08); border-color:var(--green); color:#90ff60; }
.toast-error   { background:rgba(255,23,68,.08);  border-color:var(--red);   color:#ff8a9e; }
.toast-info    { background:rgba(0,229,255,.07);  border-color:var(--cyan);  color:#a0eeff; }
.toast-warn    { background:rgba(255,215,64,.08); border-color:var(--gold);  color:#ffe080; }

/* modal */
.modal-overlay {
  position:fixed; inset:0; z-index:1000;
  background:rgba(0,0,0,.75); backdrop-filter:blur(6px);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity .2s;
}
.modal-overlay.open { opacity:1; pointer-events:all; }
.modal {
  background:var(--bg2); border:1px solid var(--border);
  padding:28px; width:min(500px,92vw);
  transform:scale(.95); transition:transform .2s;
  position:relative;
}
.modal::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--orange));
}
.modal-overlay.open .modal { transform:scale(1); }
.modal-title { font-family:'Rajdhani',sans-serif; font-size:1.05rem; font-weight:700; letter-spacing:2px; margin-bottom:18px; display:flex; align-items:center; gap:8px; text-transform:uppercase; }
.modal-footer { margin-top:22px; display:flex; justify-content:flex-end; gap:8px; }

/* table */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; }
th { font-family:'Rajdhani',sans-serif; font-size:.7rem; font-weight:700; letter-spacing:2px; color:var(--muted); text-transform:uppercase; padding:10px 14px; text-align:left; border-bottom:1px solid var(--border2); background:rgba(0,0,0,.2); }
td { padding:11px 14px; border-bottom:1px solid rgba(255,255,255,.03); font-size:.82rem; }
tr:hover td { background:rgba(0,229,255,.02); }

/* ─── PANEL HEADER ─── */
.panel-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 18px; border-bottom:1px solid var(--border2);
}
.panel-title {
  font-family:'Rajdhani',sans-serif; font-size:.85rem; font-weight:700;
  letter-spacing:2px; text-transform:uppercase; color:var(--text);
  display:flex; align-items:center; gap:6px;
}
.panel-body { padding:14px 16px; }

/* ─── DASHBOARD ─── */
.dash-grid {
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:16px; padding:20px 24px;
}
.metric-card {
  padding:18px 20px; position:relative; overflow:hidden;
}
.metric-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:1px;
  opacity:.4;
}
.metric-card::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:2px;
}
.metric-card.c-cyan::before,.metric-card.c-cyan::after { background:var(--cyan); }
.metric-card.c-green::before,.metric-card.c-green::after { background:var(--green); }
.metric-card.c-orange::before,.metric-card.c-orange::after { background:var(--orange); }
.metric-card.c-red::before,.metric-card.c-red::after { background:var(--red); }
.metric-label {
  font-family:'Rajdhani',sans-serif; font-size:.68rem; font-weight:700;
  letter-spacing:2px; color:var(--muted); text-transform:uppercase; margin-bottom:8px;
}
.metric-val {
  font-family:'Orbitron',monospace; font-size:1.7rem; font-weight:700; line-height:1;
}
.metric-val.c-cyan { color:var(--cyan); text-shadow:0 0 14px rgba(0,229,255,.4); }
.metric-val.c-green { color:var(--green); text-shadow:0 0 14px rgba(57,255,20,.3); }
.metric-val.c-orange { color:var(--orange); text-shadow:0 0 14px rgba(255,109,0,.3); }
.metric-val.c-red { color:var(--red); text-shadow:0 0 14px rgba(255,23,68,.3); }
.metric-sub { font-family:'Rajdhani',sans-serif; font-size:.7rem; color:var(--muted); margin-top:6px; letter-spacing:1px; }

.dash-row { display:grid; gap:16px; padding:0 24px 20px; }
.dash-row-2 { grid-template-columns:1fr 1fr; }
.dash-row-3 { grid-template-columns:2fr 1fr; }

/* device list */
.dev-row {
  display:flex; align-items:center; gap:12px;
  padding:9px 12px; cursor:pointer; transition:background .15s; margin-bottom:2px;
}
.dev-row:hover { background:rgba(0,229,255,.05); }
.dev-indicator { width:8px; height:8px; border-radius:50%; flex-shrink:0; }
.dev-indicator.online { background:var(--green); box-shadow:0 0 8px var(--green); animation:blink 3s infinite; }
.dev-indicator.warn   { background:var(--gold);  box-shadow:0 0 8px var(--gold); }
.dev-indicator.offline{ background:var(--muted); }
.dev-info { flex:1; min-width:0; }
.dev-name { font-size:.82rem; font-weight:500; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.dev-proto { font-family:'Rajdhani',sans-serif; font-size:.7rem; color:var(--muted); letter-spacing:.5px; }
.dev-metrics { font-family:'JetBrains Mono',monospace; font-size:.7rem; color:var(--cyan); text-align:right; }

/* log stream */
.log-line {
  display:flex; gap:8px; padding:5px 0;
  border-bottom:1px solid rgba(255,255,255,.025);
  font-family:'JetBrains Mono',monospace; font-size:.7rem; align-items:flex-start;
}
.log-ts  { color:var(--muted); flex-shrink:0; }
.log-level { flex-shrink:0; width:38px; font-family:'Rajdhani',sans-serif; font-weight:700; letter-spacing:1px; }
.log-level.info  { color:var(--cyan); }
.log-level.warn  { color:var(--gold); }
.log-level.error { color:var(--red); }
.log-msg  { color:rgba(224,234,255,.65); flex:1; }
.log-src  { color:var(--muted); flex-shrink:0; }

/* mini chart canvas */
.mini-chart { width:100%; height:64px; display:block; }

/* ─── DEVICES ─── */
.device-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:16px; padding:20px 24px; }
.device-card { padding:18px; cursor:pointer; position:relative; overflow:hidden; }
.device-card::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background:linear-gradient(90deg,var(--cyan),var(--purple)); opacity:0; transition:opacity .3s; }
.device-card:hover::before { opacity:1; }
.device-card-head { display:flex; align-items:flex-start; gap:10px; margin-bottom:12px; }
.device-card-icon {
  width:38px; height:38px;
  clip-path:polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; background:rgba(0,229,255,.08); flex-shrink:0;
}
.device-card-name { font-family:'Rajdhani',sans-serif; font-weight:700; font-size:.95rem; letter-spacing:1px; }
.device-card-proto { font-family:'Rajdhani',sans-serif; font-size:.72rem; color:var(--muted); margin-top:3px; letter-spacing:.5px; }
.device-card-status { margin-left:auto; }
.device-metrics-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:8px; margin-top:10px; }
.dev-metric-item { background:rgba(0,0,0,.3); padding:8px 10px; border-left:2px solid rgba(0,229,255,.2); }
.dev-metric-k { font-family:'Rajdhani',sans-serif; font-size:.62rem; color:var(--muted); text-transform:uppercase; letter-spacing:1px; }
.dev-metric-v { font-family:'JetBrains Mono',monospace; font-size:.85rem; color:var(--cyan); margin-top:2px; }

/* detail panel */
#device-detail {
  position:fixed; top:0; right:-420px; width:420px; height:100vh;
  background:rgba(8,13,24,.97); border-left:1px solid var(--border);
  z-index:200; transition:right .25s ease;
  display:flex; flex-direction:column; overflow:hidden;
  backdrop-filter:blur(16px);
}
#device-detail.open { right:0; }
.detail-header { padding:18px 22px; border-bottom:1px solid var(--border2); display:flex; align-items:center; gap:12px; }
.detail-close { margin-left:auto; background:none; border:none; color:var(--muted); cursor:pointer; font-size:1.1rem; padding:4px 8px; transition:color .15s; }
.detail-close:hover { color:var(--red); }
.detail-body { flex:1; overflow-y:auto; padding:18px 22px; }
.detail-section { margin-bottom:22px; }
.detail-section-title {
  font-family:'Rajdhani',sans-serif; font-size:.68rem; font-weight:700;
  letter-spacing:3px; color:var(--orange); text-transform:uppercase;
  margin-bottom:10px; display:flex; align-items:center; gap:8px;
}
.detail-section-title::before { content:'◆'; font-size:.5rem; }
.detail-section-title::after { content:''; flex:1; height:1px; background:rgba(255,109,0,.2); }
.kv-grid { display:grid; grid-template-columns:auto 1fr; gap:6px 16px; }
.kv-k { font-family:'Rajdhani',sans-serif; font-size:.75rem; color:var(--muted); letter-spacing:.5px; }
.kv-v { font-family:'JetBrains Mono',monospace; font-size:.75rem; color:var(--text); }

/* ─── CONNECT ─── */
.connect-layout { display:grid; grid-template-columns:1fr 1fr; height:calc(100vh - var(--header)); }
.connect-left { padding:28px; border-right:1px solid var(--border2); overflow-y:auto; }
.connect-right { display:flex; flex-direction:column; overflow:hidden; }
.connect-title { font-family:'Orbitron',monospace; font-size:1rem; font-weight:900; letter-spacing:2px; margin-bottom:6px; color:var(--cyan); }
.connect-sub { font-size:.8rem; color:var(--muted); margin-bottom:22px; line-height:1.7; font-family:'Rajdhani',sans-serif; letter-spacing:.5px; }

.doc-drop {
  border:2px dashed rgba(0,229,255,.2);
  padding:32px; text-align:center; cursor:pointer; transition:all .2s; margin-bottom:16px;
}
.doc-drop:hover, .doc-drop.dragover { border-color:var(--cyan); background:var(--cyan2); }
.doc-drop-icon { font-size:2rem; margin-bottom:10px; }
.doc-drop-title { font-family:'Rajdhani',sans-serif; font-size:.95rem; font-weight:700; letter-spacing:1px; margin-bottom:4px; }
.doc-drop-sub { font-size:.72rem; color:var(--muted); }
.doc-file-name {
  display:flex; align-items:center; gap:8px;
  background:rgba(0,229,255,.06); border:1px solid rgba(0,229,255,.2);
  padding:8px 14px; font-family:'Rajdhani',sans-serif;
  font-size:.82rem; color:var(--cyan); margin-bottom:16px; letter-spacing:.5px;
}

.protocol-tags { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:16px; }
.proto-tag {
  padding:5px 14px; border:1px solid var(--border2);
  font-family:'Rajdhani',sans-serif; font-size:.78rem; font-weight:600; letter-spacing:1px;
  cursor:pointer; color:var(--muted); transition:all .15s;
  clip-path:polygon(5px 0%,100% 0%,calc(100% - 5px) 100%,0% 100%);
}
.proto-tag:hover, .proto-tag.selected { border-color:var(--cyan); color:var(--cyan); background:var(--cyan2); }

/* AI stream */
.ai-stream { flex:1; overflow-y:auto; padding:18px 22px; display:flex; flex-direction:column; gap:10px; font-size:.82rem; }
.ai-think-step { display:flex; gap:10px; align-items:flex-start; animation:fadeUp .3s ease; }
.ai-think-step .step-text { color:rgba(224,234,255,.7); line-height:1.7; font-family:'Rajdhani',sans-serif; font-size:.88rem; letter-spacing:.3px; }
.ai-think-step .step-text strong { color:var(--cyan); }
.step-done { color:var(--green); }

.progress-bar { height:2px; background:rgba(0,0,0,.4); overflow:hidden; margin:10px 0; }
.progress-fill { height:100%; background:linear-gradient(90deg,var(--cyan),var(--purple),var(--orange)); transition:width .4s; }

/* ─── CHAT ─── */
.chat-layout { display:grid; grid-template-columns:220px 1fr; height:calc(100vh - var(--header)); }
.chat-left { border-right:1px solid var(--border2); overflow-y:auto; padding:12px; }
.chat-dev-item {
  display:flex; align-items:center; gap:8px;
  padding:9px 10px; cursor:pointer; transition:background .15s; margin-bottom:2px;
}
.chat-dev-item:hover { background:rgba(0,229,255,.05); }
.chat-dev-item.active { background:rgba(0,229,255,.08); border-left:2px solid var(--cyan); }
.chat-dev-name { font-family:'Rajdhani',sans-serif; font-size:.85rem; font-weight:600; letter-spacing:.5px; }
.chat-dev-proto { font-family:'Rajdhani',sans-serif; font-size:.65rem; color:var(--muted); }
.chat-right { display:flex; flex-direction:column; }
.chat-messages { flex:1; overflow-y:auto; padding:22px; display:flex; flex-direction:column; gap:14px; }
.chat-msg { display:flex; gap:10px; animation:fadeUp .2s ease; }
.chat-msg.user { flex-direction:row-reverse; }
.chat-avatar {
  width:28px; height:28px; flex-shrink:0; margin-top:2px;
  display:flex; align-items:center; justify-content:center;
  font-family:'Rajdhani',sans-serif; font-size:.75rem; font-weight:700;
  clip-path:polygon(5px 0%,100% 0%,calc(100% - 5px) 100%,0% 100%);
}
.chat-avatar.ai { background:linear-gradient(135deg,var(--cyan),var(--purple)); color:#fff; }
.chat-avatar.user { background:var(--orange); color:var(--bg); }
.chat-bubble { max-width:76%; padding:10px 14px; font-size:.83rem; line-height:1.7; }
.chat-msg.ai .chat-bubble { background:rgba(255,255,255,.03); border:1px solid var(--border2); border-left:2px solid var(--cyan); }
.chat-msg.user .chat-bubble { background:rgba(255,109,0,.08); border:1px solid rgba(255,109,0,.2); color:#ffd0a0; border-right:2px solid var(--orange); }
.chat-bubble code { background:rgba(0,0,0,.5); padding:1px 5px; font-family:'JetBrains Mono',monospace; font-size:.75em; color:var(--cyan); }
.chat-bubble pre { background:rgba(0,0,0,.5); padding:8px 12px; overflow-x:auto; margin:6px 0; font-family:'JetBrains Mono',monospace; font-size:.72rem; }
.chat-bubble strong { color:var(--cyan); }
.chat-bubble table { width:100%; margin:6px 0; }
.chat-bubble th,.chat-bubble td { padding:4px 8px; border:1px solid var(--border2); font-size:.75rem; }
.chat-input-row { padding:12px 22px; border-top:1px solid var(--border2); display:flex; gap:8px; align-items:flex-end; }
.chat-input-row textarea { resize:none; height:44px; font-size:.82rem; }
.chat-shortcuts { padding:8px 22px 0; display:flex; flex-wrap:wrap; gap:6px; }
.shortcut {
  padding:4px 12px; border:1px solid var(--border2);
  font-family:'Rajdhani',sans-serif; font-size:.75rem; font-weight:600; letter-spacing:.5px;
  color:var(--muted); cursor:pointer; transition:all .15s;
  clip-path:polygon(4px 0%,100% 0%,calc(100% - 4px) 100%,0% 100%);
}
.shortcut:hover { border-color:var(--cyan); color:var(--cyan); }
.typing-dot { display:inline-flex; gap:3px; align-items:center; }
.typing-dot span { width:5px; height:5px; border-radius:50%; background:var(--cyan); animation:typingBounce 1.4s infinite; }
.typing-dot span:nth-child(2) { animation-delay:.2s; }
.typing-dot span:nth-child(3) { animation-delay:.4s; }

/* ─── SKILLS ─── */
.skills-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:16px; padding:20px 24px; }
.skill-card { padding:20px; position:relative; overflow:hidden; }
.skill-card::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background:linear-gradient(90deg,var(--purple),var(--cyan)); opacity:0; transition:opacity .3s; }
.skill-card:hover::before { opacity:1; }
.skill-head { display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.skill-icon {
  width:36px; height:36px;
  clip-path:polygon(5px 0%,100% 0%,calc(100% - 5px) 100%,0% 100%);
  display:flex; align-items:center; justify-content:center; font-size:1rem;
}
.skill-icon.device { background:rgba(0,229,255,.1); }
.skill-icon.data   { background:rgba(57,255,20,.1); }
.skill-icon.alert  { background:rgba(255,215,64,.1); }
.skill-icon.ai     { background:rgba(123,47,255,.15); }
.skill-name { font-family:'JetBrains Mono',monospace; font-size:.82rem; font-weight:600; color:var(--cyan); }
.skill-desc { font-family:'Rajdhani',sans-serif; font-size:.8rem; color:var(--muted); margin-bottom:10px; line-height:1.5; letter-spacing:.3px; }
.skill-footer { display:flex; align-items:center; justify-content:space-between; margin-top:10px; }
.skill-calls { font-family:'Rajdhani',sans-serif; font-size:.7rem; color:var(--muted); letter-spacing:.5px; }
.toggle { position:relative; width:34px; height:18px; }
.toggle input { opacity:0; width:0; height:0; }
.toggle-slider { position:absolute; inset:0; background:var(--muted); transition:.2s; cursor:pointer; clip-path:polygon(2px 0%,100% 0%,calc(100% - 2px) 100%,0% 100%); }
.toggle-slider::before { content:''; position:absolute; left:2px; top:2px; width:14px; height:14px; background:#fff; transition:.2s; }
.toggle input:checked + .toggle-slider { background:var(--cyan); }
.toggle input:checked + .toggle-slider::before { transform:translateX(16px); }

/* ─── ALERTS ─── */
.alert-list { padding:20px 24px; display:flex; flex-direction:column; gap:10px; }
.alert-item {
  display:flex; align-items:flex-start; gap:14px;
  padding:16px 18px; border-left:3px solid; transition:background .15s;
  position:relative;
}
.alert-item.error { border-color:var(--red);  background:rgba(255,23,68,.04); }
.alert-item.warn  { border-color:var(--gold); background:rgba(255,215,64,.04); }
.alert-item.info  { border-color:var(--cyan); background:rgba(0,229,255,.03); }
.alert-item:hover { background:rgba(255,255,255,.02); }
.alert-icon { font-size:1.1rem; flex-shrink:0; margin-top:1px; }
.alert-content { flex:1; }
.alert-device { font-family:'Rajdhani',sans-serif; font-size:.72rem; color:var(--muted); margin-bottom:4px; letter-spacing:1px; text-transform:uppercase; }
.alert-msg { font-size:.83rem; font-weight:500; }
.alert-time { font-family:'JetBrains Mono',monospace; font-size:.68rem; color:var(--muted); margin-top:4px; }
.alert-unread { width:6px; height:6px; background:var(--cyan); flex-shrink:0; margin-top:6px; animation:blink 2s infinite; }

/* ─── LOGIN ─── */
#login-page {
  position:fixed; inset:0; z-index:2000;
  background:var(--bg);
  display:flex; align-items:center; justify-content:center;
}
.login-card {
  background:rgba(8,13,24,.95); border:1px solid var(--border);
  padding:40px; width:380px; position:relative; overflow:hidden;
  backdrop-filter:blur(12px);
}
.login-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple),var(--orange));
}
.login-logo {
  font-family:'Orbitron',monospace; font-size:1.6rem; font-weight:900;
  color:var(--cyan); letter-spacing:5px; text-align:center;
  text-shadow:0 0 30px rgba(0,229,255,.5); margin-bottom:4px;
}
.login-logo span { color:var(--orange); }
.login-tagline {
  text-align:center; font-family:'Rajdhani',sans-serif;
  font-size:.75rem; color:var(--muted); margin-bottom:32px;
  letter-spacing:3px; text-transform:uppercase;
}
.login-demo-hint { font-family:'Rajdhani',sans-serif; font-size:.78rem; color:var(--muted); text-align:center; margin-top:14px; letter-spacing:.5px; }
.login-demo-hint a { color:var(--cyan); cursor:pointer; }

/* ─── ANIMATIONS ─── */
@keyframes blink { 0%,100%{opacity:1}50%{opacity:.3} }
@keyframes fadeUp { from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)} }
@keyframes slideIn { from{transform:translateX(24px);opacity:0}to{transform:translateX(0);opacity:1} }
@keyframes typingBounce { 0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-6px)} }
@keyframes spin { to{transform:rotate(360deg)} }
@keyframes pulse { 0%,100%{transform:scale(1);opacity:.25}50%{transform:scale(1.08);opacity:.35} }
.spin { animation:spin .8s linear infinite; display:inline-block; }

/* scrollbar */
::-webkit-scrollbar { width:4px; height:4px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--muted); }

/* ═══════════════════════════════════════
   MOBILE  ≤ 768px
   策略：
   · 底部 Tab Bar 替代侧边栏
   · connect / chat 改为单列滚动
   · chat-left 变成顶部可折叠设备选择器
   · header 精简，去掉状态文字
═══════════════════════════════════════ */
@media(max-width:768px){

  /* ── 变量覆盖 ── */
  :root{
    --sidebar:0px;
    --header:52px;
    --tab-bar:60px;
  }

  /* ── 侧边栏隐藏，改底部 Tab Bar ── */
  #sidebar { display:none; }

  /* ── 主内容区留出底部 tab bar 空间 ── */
  #main-content {
    padding-bottom:var(--tab-bar) !important;
    height: calc(100vh - var(--header));
  }

  /* ── Header 精简 ── */
  #header { padding:0 14px; gap:8px; }
  .header-title {
    font-size:.85rem;
    letter-spacing:1px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    max-width:120px;
  }
  .header-status { font-size:.68rem; }
  .header-status span:first-child { display:none; } /* 隐藏"系统正常"文字，只留圆点+数字 */
  .btn-sm { padding:5px 10px; font-size:.68rem; }

  /* ── 底部 Tab Bar ── */
  #mobile-tab-bar {
    position:fixed;
    bottom:0; left:0; right:0;
    height:var(--tab-bar);
    background:rgba(8,13,24,.97);
    border-top:1px solid var(--border);
    display:flex;
    align-items:center;
    justify-content:space-around;
    z-index:900;
    backdrop-filter:blur(16px);
    padding-bottom:env(safe-area-inset-bottom, 0px);
  }
  .mob-tab {
    display:flex; flex-direction:column; align-items:center; gap:3px;
    flex:1; padding:6px 0; cursor:pointer;
    color:var(--muted); transition:color .2s;
    font-family:'Rajdhani',sans-serif; font-size:.6rem; letter-spacing:.5px;
    text-transform:uppercase; position:relative;
  }
  .mob-tab .mob-tab-icon { font-size:1.1rem; line-height:1; }
  .mob-tab.active { color:var(--cyan); }
  .mob-tab.active::after {
    content:''; position:absolute; bottom:-1px; left:25%; right:25%;
    height:2px; background:var(--cyan);
    box-shadow:0 0 8px var(--cyan);
  }
  .mob-tab .mob-badge {
    position:absolute; top:4px; right:calc(50% - 16px);
    background:var(--red); color:#fff;
    font-size:.5rem; font-weight:700;
    width:14px; height:14px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
  }

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

  /* ── 仪表盘 ── */
  .dash-grid { grid-template-columns:repeat(2,1fr); gap:10px; padding:12px; }
  .dash-row-2,.dash-row-3 { grid-template-columns:1fr; padding:0 12px; gap:10px; }
  .metric-card { padding:14px; }
  .metric-val { font-size:1.5rem; }

  /* ── 设备管理工具栏 ── */
  .devices-toolbar {
    flex-wrap:wrap;
    gap:8px;
    padding:12px;
  }
  .dev-search { width:100% !important; order:-1; }
  .dev-filter-group { display:flex; gap:6px; flex-wrap:wrap; }
  .dev-filter-group .btn { padding:5px 10px; font-size:.7rem; }
  .dev-action-group { display:flex; gap:6px; margin-left:auto; }
  .dev-action-group .btn { padding:5px 12px; font-size:.72rem; }
  /* 设备卡片单列 */
  .devices-grid { grid-template-columns:1fr !important; padding:0 12px 12px; }

  /* ── 接入新设备：单列布局 ── */
  .connect-layout {
    display:flex;
    flex-direction:column;
    height:auto;
    min-height:calc(100vh - var(--header) - var(--tab-bar));
    overflow:visible;
  }
  .connect-left {
    padding:16px;
    border-right:none;
    border-bottom:1px solid var(--border2);
    overflow:visible;
  }
  .connect-right {
    display:flex !important;
    flex-direction:column;
    min-height:360px;
    overflow:visible;
  }
  .ai-stream { min-height:260px; }

  /* ── AI 对话：设备选择器改顶部横向滚动 + 聊天区全屏 ── */
  .chat-layout {
    display:flex !important;
    flex-direction:column !important;
    grid-template-columns:unset !important;
    height:calc(100vh - var(--header) - var(--tab-bar));
    overflow:hidden;
  }
  /* 设备列表 → 顶部横向滑动选择条 */
  .chat-left {
    display:flex !important;
    flex-direction:row !important;
    align-items:center;
    overflow-x:auto !important;
    overflow-y:hidden !important;
    -webkit-overflow-scrolling:touch;
    padding:6px 10px !important;
    gap:6px !important;
    border-right:none !important;
    border-bottom:1px solid var(--border2);
    flex-shrink:0 !important;
    height:52px !important;
    min-height:unset !important;
    scrollbar-width:none;
  }
  .chat-left::-webkit-scrollbar { display:none; }
  /* 隐藏"选择设备"标题 */
  .chat-left-title { display:none !important; }
  /* 设备项 → 横向胶囊 */
  #chat-dev-list { display:contents; }
  .chat-dev-item {
    display:inline-flex !important;
    flex-direction:row !important;
    align-items:center !important;
    gap:5px !important;
    padding:5px 12px !important;
    white-space:nowrap !important;
    flex-shrink:0 !important;
    min-width:auto !important;
    font-size:.72rem !important;
    height:32px !important;
    clip-path:polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%) !important;
  }
  .chat-dev-item .dev-ip,
  .chat-dev-item .dev-proto-tag { display:none !important; }
  /* 聊天区撑满剩余 */
  .chat-right {
    flex:1 !important;
    display:flex !important;
    flex-direction:column !important;
    overflow:hidden !important;
    min-height:0 !important;
  }
  .chat-messages {
    flex:1 !important;
    overflow-y:auto !important;
    -webkit-overflow-scrolling:touch;
    padding:12px !important;
    min-height:0 !important;
    display:block !important;
  }
  /* 快捷指令横向滚动 */
  .chat-shortcuts {
    display:flex !important;
    flex-wrap:nowrap !important;
    overflow-x:auto !important;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    padding:6px 10px !important;
    gap:6px !important;
    flex-shrink:0 !important;
    border-top:1px solid var(--border2);
  }
  .chat-shortcuts::-webkit-scrollbar { display:none; }
  .shortcut { white-space:nowrap !important; flex-shrink:0 !important; }
  /* 输入栏 */
  .chat-input-row {
    padding:8px 10px !important;
    flex-shrink:0 !important;
    border-top:1px solid var(--border2);
  }
  .chat-input-row textarea { font-size:.82rem; }

  /* ── Skill & MCP ── */
  .skills-grid { grid-template-columns:1fr; padding:12px; gap:10px; }

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

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

  /* ── 弹窗 ── */
  .modal-box {
    width:calc(100vw - 32px);
    max-height:80vh;
    overflow-y:auto;
  }

  /* ── 通用间距收紧 ── */
  .section-header { padding:12px 14px; font-size:.8rem; }
  .card { padding:14px; }
}