:root {
  --bg: #0f1419;
  --bg-elevated: #171e26;
  --panel: #1c2530;
  --border: #2a3644;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #2dd4bf;
  --accent-dim: #0f766e;
  --accent-contrast: #06241f;
  --danger: #f07178;
  --warn: #e6b450;
  --ok: #7fd962;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --radius: 10px;
  --font: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --num: "Consolas", ui-monospace, monospace;
  --input-bg: #10161d;
  --navy: #141b23;
  --ink: var(--text);
  --line: var(--border);
  --amber: var(--warn);
  --red: var(--danger);
  --green: var(--ok);
  --blue: #5b9fd4;
  --gold: var(--accent);
  --bg-panel: #1c2530;
  --glow-a: rgba(45, 212, 191, 0.08);
  --glow-b: rgba(56, 110, 160, 0.12);
  --sidebar-from: #141b23;
  --sidebar-to: #10161d;
  --nav-active-bg: rgba(45, 212, 191, 0.12);
  --nav-active-border: rgba(45, 212, 191, 0.25);
  --nav-group: #5eead4;
  --nav-item: #a8b6c5;
  --btn-face: #243040;
  --topbar-bg: rgba(15, 20, 25, 0.72);
  --scheme: dark;
  --input-border-hover: #3b4d63;
}
* { box-sizing: border-box; }
html { scrollbar-width: thin; scrollbar-color: color-mix(in srgb, var(--accent) 45%, transparent) transparent; }
*::-webkit-scrollbar { width: 6px; height: 6px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: rgba(94, 234, 212, .28);
  border-radius: 99px;
  border: 1px solid transparent;
}
*::-webkit-scrollbar-thumb:hover { background: rgba(45, 212, 191, .62); }
*::-webkit-scrollbar-corner { background: transparent; }
html, body { margin: 0; min-height: 100%; color-scheme: var(--scheme, dark); }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, var(--glow-a), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, var(--glow-b), transparent 50%),
    var(--bg);
}
button, input, select, textarea { font: inherit; color: var(--text); }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.login-wrap {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  background: #071014;
  color: var(--text);
}
.login-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(720px 380px at 8% -8%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 62%),
    linear-gradient(108deg, rgba(5, 10, 14, .82) 0%, rgba(5, 10, 14, .28) 46%, rgba(5, 10, 14, .84) 100%),
    url("../img/login-bg.jpg") center / cover no-repeat;
}
.login-hero, .login-card, .login-theme-bar, .login-wrap > .site-foot, .demo-tip { position: relative; z-index: 1; }
.demo-tip {
  position: absolute;
  left: 28px;
  bottom: 44px;
  z-index: 2;
  width: min(420px, calc(50% - 48px));
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--border));
  background: color-mix(in srgb, var(--bg-elevated) 86%, transparent);
  color: var(--text);
  font-size: 12px;
  line-height: 1.7;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}
.login-hero {
  padding: 72px 64px 88px;
  color: var(--text);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.login-hero:before {
  content: "";
  position: absolute;
  width: 460px; height: 460px;
  left: -120px; top: -160px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 24%, transparent), transparent 68%);
  pointer-events: none;
}
.brand-mark { display: flex; gap: 12px; align-items: center; letter-spacing: .16em; font-size: 12px; color: var(--accent); position: relative; }
.brand-mark b {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 62%, #fff), var(--accent-dim));
  color: var(--accent-contrast); font-size: 16px;
  box-shadow: 0 0 22px color-mix(in srgb, var(--accent) 38%, transparent);
}
.brand-mark b svg, .logo-sq svg { width: 20px; height: 20px; display: block; }
.brand-mark b svg *, .logo-sq svg * { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.login-hero h1 { font-size: 48px; line-height: 1.18; margin: 28px 0 10px; font-weight: 650; letter-spacing: .03em; color: var(--text); position: relative; }
.login-hero .hero-en { margin: 0 0 14px; max-width: none; font-size: 13px; letter-spacing: .08em; color: var(--accent); font-weight: 650; line-height: 1.4; position: relative; }
.login-hero p { max-width: 520px; color: color-mix(in srgb, var(--text) 68%, transparent); line-height: 1.8; font-size: 15px; position: relative; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
  max-width: 560px;
  position: relative;
  z-index: 1;
}
.hero-stats article {
  background: #fff;
  border: 1px solid #d7e4e4;
  border-top: 3px solid #006569;
  border-radius: 10px;
  padding: 12px 14px 10px;
  box-shadow: 0 6px 16px rgba(0, 80, 82, .05);
}
.hero-stats article span {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: #5c7374;
}
.hero-stats article span::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: #006569; flex: none;
}
.hero-stats article b { display: block; margin-top: 6px; font-family: var(--num); font-size: 26px; color: #006569; line-height: 1; }
.hero-stats .stat-crit { border-top-color: #b80027; }
.hero-stats .stat-crit span::before { background: #b80027; }
.hero-stats .stat-crit b { color: #b80027; }
.hero-stats .stat-todo { border-top-color: #ff9900; }
.hero-stats .stat-todo span::before { background: #ff9900; }
.hero-stats .stat-todo b { color: #1c3334; }
.login-card {
  display: flex; align-items: center; justify-content: center;
  padding: 32px 32px 64px;
}
.card-box {
  width: min(420px, 100%);
  background: color-mix(in srgb, var(--bg-panel) 72%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-radius: 16px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, .42), inset 0 1px 0 rgba(255, 255, 255, .06);
  backdrop-filter: blur(18px);
  padding: 32px 28px 28px;
  color: var(--text);
}
html[data-scheme="light"] .login-wrap { background: #f3f6f6; }
html[data-scheme="light"] .login-bg {
  background:
    linear-gradient(108deg, rgba(243, 246, 246, .9) 0%, rgba(243, 246, 246, .5) 48%, rgba(243, 246, 246, .88) 100%),
    url("../img/login-bg.jpg") center / cover no-repeat;
}
html[data-scheme="light"] .card-box {
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 18px 40px rgba(16, 32, 36, .12);
}
.card-box h2 { margin: 0 0 6px; font-size: 26px; }
.card-box .sub { color: var(--muted); font-size: 13px; margin: 0 0 18px; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; letter-spacing: .08em; }
.field input, .field select, .flow input, .flow select, .flow textarea {
  width: 100%; max-width: 100%; min-width: 0; border: 1px solid var(--border); background: var(--input-bg); color: var(--text);
  padding: 10px 12px; border-radius: 8px;
}
.field select {
  appearance: none;
  padding-right: 32px;
  background-color: var(--input-bg);
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 2px), calc(100% - 13px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  cursor: pointer;
}
.field-hint { margin: 6px 0 0; font-size: 12px; color: var(--muted); line-height: 1.55; }
.check-line { display: flex; align-items: center; gap: 8px; margin: 8px 0; font-size: 13px; }
.captcha-row { display: flex; gap: 8px; align-items: center; }
.captcha-row input { flex: 1; min-width: 0; }
.captcha-pic {
  width: 112px; height: 40px; flex: none; padding: 0;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--input-bg) center / 100% 100% no-repeat;
  color: var(--muted); font-size: 12px; font-weight: 500;
  box-shadow: none; letter-spacing: 0;
}
.captcha-pic:disabled { opacity: .7; cursor: not-allowed; filter: none; }
.login-extra { display: flex; justify-content: flex-end; margin: 2px 0 10px; }
.forgot {
  background: none; border: 0; padding: 0; box-shadow: none; filter: none;
  color: var(--accent); font-size: 12px; font-weight: 500; letter-spacing: 0;
}
.forgot.is-off { color: var(--muted); cursor: not-allowed; opacity: .55; }
.forgot.is-off:hover { filter: none; }
.field input:focus, .field select:focus, .flow input:focus, .flow select:focus {
  outline: none; border-color: var(--accent-dim); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.btn {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 72%, #fff), var(--accent) 46%, var(--accent-dim));
  color: var(--accent-contrast);
  border: 1px solid color-mix(in srgb, #fff 12%, transparent);
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 650;
  letter-spacing: .02em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 1px 2px rgba(0,0,0,.28);
  transition: filter .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { filter: brightness(.96); transform: translateY(1px); }
.btn.block { width: 100%; margin-top: 6px; }
.btn.ghost {
  background: var(--btn-face);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
  padding: 5px 11px;
  font-weight: 500;
  filter: none;
}
.btn.ghost:hover {
  color: var(--nav-group);
  border-color: var(--nav-active-border);
  background: var(--nav-active-bg);
  filter: none;
}
.btn.warn {
  background: linear-gradient(180deg, #f0c36a, #c48a2a);
  color: #1a1206;
  border-color: transparent;
}
.btn.danger {
  background: rgba(240, 113, 120, .14);
  color: #ffb4b8;
  border: 1px solid rgba(240, 113, 120, .42);
  box-shadow: none;
  filter: none;
}
.btn.danger:hover { background: rgba(240, 113, 120, .24); filter: none; }
table .btn, table .btn.ghost { padding: 3px 9px; font-size: 12px; border-radius: 7px; }
.hints { margin-top: 14px; background: var(--input-bg); border: 1px dashed var(--border); border-radius: 8px; padding: 10px 12px; font-size: 12px; color: var(--muted); line-height: 1.7; }

.app { min-height: 100vh; display: grid; grid-template-rows: 56px minmax(0, 1fr) auto; }
.site-foot {
  padding: 8px 16px 12px;
  text-align: center;
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--muted);
}
.login-wrap > .site-foot {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  grid-column: 1 / -1;
}
.topbar {
  background: var(--topbar-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  color: var(--text);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px 0 18px;
}
.top-left { display: flex; align-items: center; gap: 14px; }
.logo-sq {
  width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; font-size: 14px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 55%, #fff), var(--accent-dim)); color: var(--accent-contrast);
}
.topbar strong { font-size: 16px; letter-spacing: .06em; }
.topbar em { font-style: normal; color: var(--muted); font-size: 12px; margin-left: 8px; }
.top-right { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 0; }
.side {
  background: linear-gradient(180deg, var(--sidebar-from), var(--sidebar-to));
  border-right: 1px solid var(--border);
  color: var(--nav-item);
  padding: 12px 10px;
}
.side a {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; margin: 2px 0; border-radius: 8px; color: var(--nav-item); font-size: 13.5px;
  border: 1px solid transparent;
}
.side a:hover { background: var(--nav-active-bg); color: var(--text); }
.side a.active {
  background: var(--nav-active-bg);
  color: var(--nav-group);
  border-color: var(--nav-active-border);
}
.side .ico { width: 18px; height: 18px; flex: 0 0 18px; display: grid; place-items: center; color: var(--accent); }
.side .ico svg { width: 16px; height: 16px; display: block; }
.side .ico svg * { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.side .ico svg .dot { fill: currentColor; stroke: none; }
.main { padding: 16px 18px 28px; min-width: 0; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 20px; letter-spacing: .04em; }
.page-head p { margin: 4px 0 0; color: var(--muted); font-size: 12.5px; }

.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tab {
  border: 1px solid rgba(168, 182, 197, .18);
  background: rgba(16, 22, 29, .55);
  padding: 6px 13px;
  color: var(--muted);
  border-radius: 999px;
  font-size: 12.5px;
  letter-spacing: .02em;
  transition: border-color .15s, background .15s, color .15s;
}
.tab:hover { color: var(--text); border-color: var(--nav-active-border); }
.tab.active {
  background: var(--nav-active-bg);
  color: var(--nav-group);
  border-color: var(--nav-active-border);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px var(--nav-active-border);
}

.grid { display: grid; gap: 12px; }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-2 { grid-template-columns: 1.2fr .8fr; }
.kpi {
  background: var(--panel); border: 1px solid var(--border); padding: 12px 14px; box-shadow: var(--shadow);
  border-top: 3px solid var(--accent); border-radius: var(--radius);
}
.kpi .k { font-size: 12px; color: var(--muted); }
.kpi .v { font-family: var(--num); font-size: 28px; margin-top: 4px; color: var(--accent); }
.kpi.red { border-top-color: var(--danger); }
.kpi.amber { border-top-color: var(--warn); }
.kpi.green { border-top-color: var(--ok); }
.panel { background: var(--panel); border: 1px solid var(--border); padding: 12px 14px; box-shadow: var(--shadow); border-radius: var(--radius); color: var(--text); }
.panel h3 { margin: 0 0 10px; font-size: 14px; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th { text-align: left; background: var(--bg-elevated); color: var(--muted); font-weight: 600; padding: 8px; border-bottom: 1px solid var(--border); }
table.data td { padding: 8px; border-bottom: 1px solid #243040; vertical-align: middle; }
.tag {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 1px 8px 1px 7px; font-size: 11px; font-weight: 600; letter-spacing: .03em;
  border: 1px solid var(--border); background: rgba(16, 22, 29, .8);
  border-radius: 999px; color: #c5d0da; line-height: 1.7; white-space: nowrap;
}
.tag:before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; box-shadow: 0 0 6px currentColor; }
.tag.red { color: #ffb4b8; background: rgba(240,113,120,.1); border-color: rgba(240,113,120,.38); }
.tag.amber { color: #f0c36a; background: rgba(230,180,80,.1); border-color: rgba(230,180,80,.38); }
.tag.green { color: #9be38a; background: rgba(127,217,98,.1); border-color: rgba(127,217,98,.38); }
.tag.blue { color: #9fd0f5; background: rgba(91,159,212,.12); border-color: rgba(91,159,212,.38); }
.flow { border: 1px dashed var(--border); background: var(--input-bg); padding: 12px; margin-bottom: 12px; border-radius: var(--radius); }
.flow h4 { margin: 0 0 8px; font-size: 13px; color: var(--nav-group); }
.flow .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); gap: 8px; }
.flow .row > * { min-width: 0; }
.steps { display: flex; gap: 0; margin: 0 0 12px; overflow: auto; }
.step { flex: 1; min-width: 88px; text-align: center; font-size: 12px; color: var(--muted); padding-bottom: 6px; }
.step:before { content: ""; display: block; width: 8px; height: 8px; border-radius: 50%; background: #3b4d63; margin: 0 auto 6px; }
.step.on { color: var(--nav-group); font-weight: 600; }
.step.on:before { background: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }

.map-board { position: relative; height: 520px; background: #123049; border: 1px solid #0c2036; overflow: hidden; }
.map-board svg { width: 100%; height: 100%; display: block; }
.map-legend { position: absolute; left: 12px; bottom: 12px; background: rgba(8,22,38,.82); color: #d7e6f2; font-size: 12px; padding: 8px 10px; display: flex; gap: 10px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 4px; }
.side-detail { position: absolute; right: 12px; top: 12px; width: 280px; background: rgba(23,30,38,.96); padding: 12px; font-size: 13px; border: 1px solid var(--border); color: var(--text); border-radius: var(--radius); }
.side-detail h4 { margin: 0 0 6px; }
.msg { padding: 8px 0; border-bottom: 1px solid #243040; font-size: 13px; }
.msg b { display: block; }
.bars { display: grid; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 120px 1fr 36px; gap: 8px; align-items: center; font-size: 12px; }
.bar { height: 8px; background: #243040; border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent-dim), var(--accent)); }
.phone {
  width: 320px; border: 10px solid #0b1016; border-radius: 28px; background: #10161d; overflow: hidden; min-height: 520px;
}
.phone header { background: #141b23; color: var(--text); padding: 14px 12px 10px; font-size: 13px; border-bottom: 1px solid var(--border); }
.phone .item { margin: 10px; background: var(--panel); border: 1px solid var(--border); padding: 10px; font-size: 13px; border-radius: 8px; }
.ai-card { display: grid; grid-template-columns: 180px 1fr; gap: 12px; border-bottom: 1px solid #243040; padding: 10px 0; }
.shot { height: 110px; background: linear-gradient(#9ec4de, #d7e6c8 55%, #6d7c4e); position: relative; overflow: hidden; }
.shot .tower {
  position: absolute; left: 50%; bottom: 8px; width: 4px; height: 70px; background: #3d4c5c; transform: translateX(-50%);
}
.shot .tower:before, .shot .tower:after {
  content: ""; position: absolute; left: -18px; width: 40px; height: 2px; background: #2c3a48;
}
.shot .tower:before { top: 16px; }
.shot .tower:after { top: 32px; }
.box {
  position: absolute; border: 2px solid #ff4d4f; color: #fff; font-size: 11px; background: rgba(192,57,43,.75);
  padding: 0 4px;
}
.toast {
  position: fixed; right: 16px; bottom: 16px; background: #1c2530; color: var(--text);
  border: 1px solid rgba(45,212,191,.35); border-radius: 8px;
  padding: 10px 14px; opacity: 0; transform: translateY(8px); transition: .2s; pointer-events: none; font-size: 13px;
}
.toast.show { opacity: 1; transform: none; }

.sit-stage { position: relative; background: #071422; overflow: hidden; }
body.is-home .app { grid-template-rows: 1fr; }
body.is-home .site-foot, body.is-video .site-foot { display: none; }
body.is-home .shell { height: 100vh; }
body.is-home .main { padding: 0; overflow: hidden; height: 100vh; }
body.is-home .sit-stage { height: 100vh; min-height: 0; border: 0; }
.sit-stage canvas { width: 100% !important; height: 100% !important; display: block; }
.sit-hud { position: absolute; inset: 0; pointer-events: none; color: #d7e8f4; }
.sit-top, .sit-kpis, .sit-panel { pointer-events: none; }
.sit-top { display: flex; justify-content: space-between; padding: 14px 16px; background: linear-gradient(#071422, transparent); }
.sit-kpis { position: absolute; left: 16px; right: 16px; top: 64px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.sit-kpi { background: rgba(15, 20, 25, .78); border: 1px solid rgba(45, 212, 191, .28); padding: 8px 10px; border-radius: 8px; }
.sit-kpi b { display: block; font-family: var(--num); font-size: 20px; color: var(--accent); }
.sit-kpi span { font-size: 12px; opacity: .8; }
.sit-panel { position: absolute; width: 260px; max-height: 42%; overflow: auto; background: rgba(15, 20, 25, .88); border: 1px solid rgba(45, 212, 191, .28); padding: 12px; font-size: 12px; border-radius: 10px; }
.sit-panel.left { left: 16px; bottom: 16px; }
.sit-panel.right { right: 16px; bottom: 16px; pointer-events: auto; }
.layer-bar { display: flex; gap: 14px; margin: 0 0 10px; font-size: 13px; color: var(--muted); }
.layer-bar label { display: flex; gap: 6px; align-items: center; }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.sit-stage.has-sheet .sit-kpis { right: 420px; }
.sit-stage.has-sheet .sit-panel.right { display: none; }
.tower-sheet {
  position: absolute; top: 118px; right: 14px; bottom: 14px; width: min(400px, 42vw);
  z-index: 6; display: flex; flex-direction: column; gap: 0;
  background: rgba(12, 18, 24, .94); color: #e8eef4;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, #2a3644);
  border-radius: 12px; box-shadow: 0 18px 48px rgba(0,0,0,.45);
  overflow: auto; pointer-events: auto;
}
.tower-sheet[hidden] { display: none; }
.tower-hd { position: sticky; top: 0; z-index: 1; display: flex; justify-content: space-between; gap: 8px; align-items: flex-start;
  padding: 12px 12px 10px; background: rgba(12, 18, 24, .96); border-bottom: 1px solid rgba(255,255,255,.06); }
.tower-hd h3 { margin: 0; font-size: 16px; letter-spacing: .04em; }
.tower-hd p { margin: 4px 0 0; color: #8b9aab; font-size: 12px; }
.tower-body { padding: 10px 12px 16px; display: flex; flex-direction: column; gap: 10px; }
.tower-meta { display: grid; grid-template-columns: 72px 1fr; gap: 4px 8px; font-size: 12px; }
.tower-meta span { color: #8b9aab; }
.tower-sec { font-size: 12px; color: var(--nav-group, #5eead4); letter-spacing: .08em; margin: 2px 0; }
.tower-vid { position: relative; background: #070b10; border-radius: 8px; overflow: hidden; border: 1px solid #243140; min-height: 168px; }
.tower-vid canvas { width: 100% !important; height: 168px !important; display: block; }
.tower-vid-h, .tower-vid-f { position: absolute; left: 0; right: 0; display: flex; gap: 8px; align-items: center; padding: 4px 8px; font-size: 12px; background: rgba(0,0,0,.5); }
.tower-vid-h { top: 0; }
.tower-vid-f { bottom: 0; color: #9eb0c2; }
.tower-vid-h em { margin-left: auto; font-style: normal; color: #7fd962; }
.tower-cams { display: flex; flex-wrap: wrap; gap: 6px; }
.tower-cams button.on { border-color: var(--nav-active-border); color: var(--nav-group); background: var(--nav-active-bg); }
.tower-list { display: flex; flex-direction: column; gap: 6px; }
.tower-item { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06); border-radius: 8px; padding: 8px; font-size: 12px; }
.tower-item b { display: block; margin-bottom: 2px; }
.tower-empty { color: #8b9aab; font-size: 12px; margin: 0; }

.nvr { height: calc(100vh - 56px); display: flex; flex-direction: column; background: var(--bg); color: var(--text); }
body.is-video .main { padding: 0; background: var(--bg); }
body.is-video .topbar em { color: var(--muted); }
.nvr-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--bg-elevated); }
.nvr-top b { font-size: 16px; margin-right: 8px; }
.nvr-top span { color: #8ea0b0; font-size: 12px; }
.nvr-metrics { display: flex; gap: 14px; font-size: 12px; color: #9eb0c2; }
.nvr-metrics b { color: #3ddc97; font-family: var(--num); }
.nvr-modes button, .nvr-tools button, .nvr-pre, .ptz-pad button, .ptz-lens button {
  background: var(--btn-face);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  letter-spacing: .02em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
  transition: border-color .15s, color .15s, background .15s, box-shadow .15s;
}
.nvr-modes button:hover, .nvr-tools button:hover, .nvr-pre:hover, .ptz-pad button:hover, .ptz-lens button:hover {
  border-color: var(--nav-active-border);
  color: var(--nav-group);
}
.nvr-modes button.on, .nvr-layouts button.on, .nvr-ch.on {
  background: var(--nav-active-bg);
  border-color: var(--nav-active-border);
  color: var(--nav-group);
  box-shadow: inset 0 0 0 1px var(--nav-active-border);
}
.nvr-body { flex: 1; min-height: 0; display: grid; grid-template-columns: 240px minmax(0, 1fr) 230px; }
.nvr-body.no-ch { grid-template-columns: minmax(0, 1fr) 230px; }
.nvr-body.no-ptz { grid-template-columns: 240px minmax(0, 1fr); }
.nvr-body.no-ch.no-ptz { grid-template-columns: minmax(0, 1fr); }
.nvr-side, .nvr-ptz { background: var(--sidebar-to); border-right: 1px solid var(--border); padding: 10px; overflow: auto; }
.nvr-ptz { border-right: 0; border-left: 1px solid var(--border); }
.nvr-side h4, .nvr-ptz h4 { margin: 0 0 8px; font-size: 13px; }
.nvr-side input { width: 100%; background: #0c1218; border: 1px solid #2c3c4c; color: #d5dee6; padding: 7px 8px; margin-bottom: 8px; }
.nvr-check { font-size: 12px; color: #9eb0c2; display: flex; gap: 6px; align-items: center; margin-bottom: 8px; }
.nvr-sec {
  font-size: 11px; color: #7d90a0; margin: 10px 0 6px; letter-spacing: .12em;
  display: flex; align-items: center; gap: 8px;
}
.nvr-sec:after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(45,212,191,.35), transparent); }
.nvr-ch { width: 100%; display: flex; gap: 8px; align-items: center; text-align: left; background: transparent; border: 0; color: #d5dee6; padding: 6px 4px; border-bottom: 1px solid #1c2833; }
.nvr-ch b { display: block; font-size: 13px; }
.nvr-ch small { color: #7d90a0; }
.nvr-ch i, .nvr-cell-h i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.nvr-ch i.ok, .nvr-cell-h i.ok { background: #3ddc97; }
.nvr-ch i.bad, .nvr-cell-h i.bad { background: #e35d5d; }
.nvr-main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.nvr-tools { display: flex; gap: 8px; align-items: center; padding: 8px 10px; background: var(--bg-elevated); }
.nvr-layouts { margin-left: auto; display: flex; gap: 4px; }
.nvr-layouts button { min-width: 30px; height: 30px; padding: 0 8px; font-family: var(--num); }
.nvr-go {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 72%, #fff), var(--accent) 55%, var(--accent-dim)) !important;
  color: var(--accent-contrast) !important;
  border-color: transparent !important;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35) !important;
}
.nvr-grid { flex: 1; min-height: 0; display: grid; gap: 4px; padding: 6px; background: #070b10; }
.nvr-grid.g1 { grid-template-columns: 1fr; }
.nvr-grid.g4 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.nvr-grid.g6 { grid-template-columns: 1fr 1fr 1fr; grid-template-rows: 1fr 1fr; }
.nvr-grid.g9 { grid-template-columns: 1fr 1fr 1fr; grid-template-rows: 1fr 1fr 1fr; }
.nvr-cell { position: relative; background: #10161c; border: 1px solid #243140; min-height: 0; overflow: hidden; }
.nvr-cell.on { box-shadow: inset 0 0 0 1px #2ac1a2; }
.nvr-cell canvas { width: 100%; height: calc(100% - 44px); display: block; margin-top: 22px; }
.nvr-cell-h, .nvr-cell-f { position: absolute; left: 0; right: 0; display: flex; gap: 8px; align-items: center; padding: 3px 8px; font-size: 12px; background: rgba(0,0,0,.45); }
.nvr-cell-h { top: 0; }
.nvr-cell-h em { margin-left: auto; color: #3ddc97; font-style: normal; }
.nvr-cell-f { bottom: 0; color: #9eb0c2; }
.ptz-pad { display: grid; grid-template-columns: repeat(3, 36px); grid-template-rows: repeat(3, 36px); gap: 6px; width: max-content; margin: 10px auto; }
.ptz-pad button { height: 36px; padding: 0; }
.ptz-pad button:nth-child(1) { grid-column: 2; grid-row: 1; }
.ptz-pad button:nth-child(2) { grid-column: 1; grid-row: 2; }
.ptz-pad button:nth-child(3) { grid-column: 2; grid-row: 2; }
.ptz-pad button:nth-child(4) { grid-column: 3; grid-row: 2; }
.ptz-pad button:nth-child(5) { grid-column: 2; grid-row: 3; }
.ptz-pad button[data-ptz="stop"] { color: var(--nav-group); border-color: var(--nav-active-border); background: var(--nav-active-bg); }
.ptz-lens { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.nvr-pre { display: block; width: 100%; text-align: left; margin-top: 6px; }
.nvr-muted { color: #8ea0b0; font-size: 12px; margin: 0; }
.nvr-empty { font-size: 12px; color: #6d8294; }
@media (max-width: 1180px) {
  .login-hero { padding: 56px 36px 80px; }
  .login-hero h1 { font-size: 32px; }
  .cols-4 { grid-template-columns: 1fr 1fr; }
  .sit-kpis { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  .side { display: flex; overflow: auto; }
  .cols-4, .cols-3, .cols-2, .compare { grid-template-columns: 1fr 1fr; }
  .ai-card { grid-template-columns: 1fr; }
  .topbar { height: auto; min-height: 56px; flex-wrap: wrap; padding: 8px 12px; gap: 8px; }
  .top-right { flex-wrap: wrap; justify-content: flex-end; }
  .card-box { width: min(440px, 100%); }
}
@media (max-width: 860px) {
  .login-wrap { grid-template-columns: 1fr; }
  .login-hero { padding: 28px 20px 8px; justify-content: flex-start; }
  .login-hero h1 { margin-top: 12px; font-size: 28px; }
  .hero-stats { max-width: none; }
  .login-card { padding: 12px 16px 28px; align-items: flex-start; }
  .demo-tip {
    position: relative;
    left: auto;
    bottom: auto;
    width: min(440px, calc(100% - 32px));
    margin: 0 auto 52px;
  }
}
@media (max-width: 720px) {
  .login-card { padding: 8px 16px 72px; align-items: flex-start; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .flow .row, .cols-4, .cols-3, .cols-2, .compare, .sit-kpis { grid-template-columns: 1fr; }
  .topbar em { display: none; }
  .main { padding: 12px 12px 20px; }
  .phone { width: min(320px, 100%); }
}

.login-theme-bar { position: absolute; top: 18px; right: 18px; z-index: 5; }
.theme-switcher { position: relative; }
.theme-trigger { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.theme-dots { display: inline-flex; gap: 3px; }
.theme-dots i { width: 10px; height: 10px; border-radius: 999px; border: 1px solid rgba(255,255,255,.28); display: inline-block; }
html[data-scheme="light"] .theme-dots i,
html[data-theme="daylight"] .theme-dots i,
html[data-theme="outdoor"] .theme-dots i,
html[data-theme="sggreen"] .theme-dots i { border-color: rgba(0,0,0,.15); }
.theme-menu {
  position: absolute; right: 0; top: calc(100% + 8px); width: 268px;
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); padding: 8px; z-index: 80;
  display: flex; flex-direction: column; gap: 4px;
}
.theme-option {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  border: 1px solid transparent; background: transparent; border-radius: 10px; padding: 8px 10px; color: var(--text);
}
.theme-option:hover { background: var(--nav-active-bg); }
.theme-option.active { border-color: var(--nav-active-border); background: var(--nav-active-bg); }
.theme-meta { display: flex; flex-direction: column; gap: 2px; }
.theme-meta strong { font-size: 13px; font-weight: 650; }
.theme-meta small { color: var(--muted); font-size: 12px; }
.theme-a11y { border-top: 1px solid var(--border); margin-top: 6px; padding: 10px 4px 4px; }
.theme-a11y-title { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.theme-a11y-row { display: flex; flex-wrap: wrap; gap: 6px; }
.theme-a11y-row .btn { font-size: 12px; padding: 4px 8px; }
.theme-a11y-row .btn.on {
  background: var(--nav-active-bg); color: var(--nav-group); border-color: var(--nav-active-border); filter: none;
}
.nvr-cell.on { box-shadow: inset 0 0 0 1px var(--accent); }
.nvr-muted { color: var(--muted); }