:root {
  color-scheme: dark;
  --bg: #04070d;
  --bg-soft: #08111b;
  --panel: rgba(11, 18, 29, .82);
  --panel-2: rgba(17, 28, 43, .78);
  --panel-3: rgba(24, 38, 56, .74);
  --line: rgba(145, 195, 220, .18);
  --line-strong: rgba(112, 225, 245, .36);
  --text: #f2fbff;
  --muted: #8ea6b5;
  --cyan: #70e1f5;
  --blue: #4f8cff;
  --green: #b8ff6a;
  --amber: #f5b84b;
  --red: #ff6970;
  --violet: #9a7cff;
  --shadow: 0 22px 70px rgba(0, 0, 0, .36);
  --sans: "Segoe UI", "Microsoft YaHei UI", Arial, sans-serif;
  --mono: "Cascadia Mono", "JetBrains Mono", Consolas, monospace;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #eef2f6;
  --bg-soft: #f6f9fc;
  --panel: rgba(255, 255, 255, .92);
  --panel-2: rgba(248, 250, 252, .9);
  --panel-3: rgba(238, 242, 247, .9);
  --line: rgba(80, 94, 110, .14);
  --line-strong: rgba(47, 107, 222, .26);
  --text: #0e1721;
  --muted: #5d6b79;
  --cyan: #156bff;
  --blue: #2d5fb8;
  --green: #2d8a57;
  --amber: #b97700;
  --red: #c83c4d;
  --violet: #6f54e8;
  --shadow: 0 18px 42px rgba(15, 25, 36, .12);
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--sans);
  background:
    linear-gradient(180deg, rgba(4, 7, 13, .22), var(--bg) 72%),
    radial-gradient(circle at 18% 4%, rgba(112, 225, 245, .13), transparent 32%),
    radial-gradient(circle at 84% 18%, rgba(154, 124, 255, .12), transparent 30%),
    var(--bg);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(rgba(112, 225, 245, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(112, 225, 245, .035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.75), rgba(0,0,0,.18) 74%, transparent);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

html[data-theme="light"] body {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .45), var(--bg) 72%),
    radial-gradient(circle at 18% 4%, rgba(21, 107, 255, .08), transparent 30%),
    radial-gradient(circle at 84% 18%, rgba(111, 84, 232, .08), transparent 28%),
    var(--bg);
}

html[data-theme="light"] body::before {
  background:
    linear-gradient(rgba(21, 107, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 107, 255, .04) 1px, transparent 1px);
}

html[data-theme="light"] body::after {
  opacity: .03;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, .btn, .pill { -webkit-tap-highlight-color: transparent; }

.landing {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topbar, .adminbar {
  width: min(1360px, calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 22px 0;
}

.adminbar {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100%;
  padding: 14px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(4, 7, 13, .76);
  backdrop-filter: blur(18px);
}

html[data-theme="light"] .adminbar {
  background: rgba(246, 249, 252, .84);
}

html[data-theme="light"] .pill,
html[data-theme="light"] button,
html[data-theme="light"] .btn {
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(232,239,247,.95));
  color: #0e1721;
  border-color: rgba(80, 94, 110, .18);
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset;
}

html[data-theme="light"] .pill:hover,
html[data-theme="light"] button:hover,
html[data-theme="light"] .btn:hover {
  border-color: rgba(21,107,255,.36);
  background: linear-gradient(180deg, rgba(255,255,255,1), rgba(221,233,246,.98));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.brand::before {
  content: "";
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(90deg, transparent 45%, rgba(112,225,245,.9) 45% 55%, transparent 55%),
    linear-gradient(transparent 45%, rgba(112,225,245,.9) 45% 55%, transparent 55%),
    radial-gradient(circle, rgba(184,255,106,.9) 0 2px, transparent 3px);
  box-shadow: 0 0 24px rgba(112,225,245,.18);
  transform: rotate(45deg);
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.pill, button, .btn {
  border: 1px solid rgba(112, 225, 245, .34);
  background: linear-gradient(180deg, rgba(112,225,245,.16), rgba(79,140,255,.08));
  color: var(--text);
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.pill:hover, button:hover, .btn:hover {
  transform: translateY(-1px);
  border-color: rgba(184,255,106,.55);
  background: linear-gradient(180deg, rgba(112,225,245,.22), rgba(79,140,255,.13));
}

.btn.primary {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #031018;
  border-color: transparent;
  font-weight: 800;
}

.hero {
  width: min(1360px, calc(100% - 48px));
  margin: 0 auto;
  min-height: calc(100vh - 150px);
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(400px, 560px);
  gap: clamp(32px, 6vw, 86px);
  align-items: center;
  padding: 34px 0 66px;
}

.eyebrow, .kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #b8c8d2;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

html[data-theme="light"] .eyebrow,
html[data-theme="light"] .kicker {
  color: #465666;
}

.eyebrow::before, .kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--green);
  box-shadow: 0 0 14px var(--green);
}

.hero h1 {
  max-width: 850px;
  margin: 28px 0 20px;
  font-size: clamp(42px, 6.5vw, 92px);
  line-height: .95;
  letter-spacing: 0;
  font-weight: 850;
}

.hero h1 span {
  color: transparent;
  background: linear-gradient(180deg, #fff, #cce8f2 58%, #83a0b2);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero p {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(15px, 1.45vw, 19px);
  line-height: 1.86;
  margin: 0 0 26px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 690px;
  margin-top: 34px;
}

.hero-meta span {
  border: 1px solid var(--line);
  background: rgba(11, 18, 29, .52);
  padding: 13px 14px;
  color: #c6dce8;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
}

.radar {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background:
    linear-gradient(90deg, rgba(112,225,245,.07) 1px, transparent 1px),
    linear-gradient(rgba(112,225,245,.07) 1px, transparent 1px),
    repeating-radial-gradient(circle, rgba(112,225,245,.22) 0 1px, transparent 1px 58px),
    radial-gradient(circle at center, rgba(112,225,245,.09), rgba(4,7,13,.76) 70%);
  background-size: 40px 40px, 40px 40px, auto, auto;
  box-shadow: var(--shadow), inset 0 0 70px rgba(112,225,245,.08);
  animation: radar-grid 10s linear infinite;
}

.radar::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, rgba(184,255,106,.9), transparent);
  transform-origin: left center;
  animation: sweep 4s linear infinite;
}

.radar::after {
  content: "";
  position: absolute;
  inset: 13%;
  border: 1px dashed rgba(184,255,106,.22);
  transform: rotate(45deg);
  animation: radar-frame 7s linear infinite;
}

.radar-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 28%;
  aspect-ratio: 1;
  border: 1px solid rgba(112,225,245,.24);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(.3);
  opacity: 0;
  animation: radar-ping 3.8s ease-out infinite;
}

.radar-ring.r2 { animation-delay: 1.25s; }
.radar-ring.r3 { animation-delay: 2.5s; }

.radar-hud {
  position: absolute;
  left: 18px;
  right: 18px;
  top: 16px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font: 10px/1 var(--mono);
  letter-spacing: .12em;
  z-index: 2;
}

.drone-dot {
  position: absolute;
  width: 11px;
  height: 11px;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
  z-index: 2;
  animation: target-pulse 2s ease-in-out infinite;
}

.drone-dot::after {
  content: "";
  position: absolute;
  inset: -9px;
  border: 1px solid currentColor;
  opacity: .22;
}

.d1 { left: 62%; top: 28%; color: var(--green); }
.d2 { left: 36%; top: 64%; color: var(--amber); background: var(--amber); box-shadow: 0 0 18px var(--amber); animation-delay: .45s; }
.d3 { left: 73%; top: 72%; color: var(--cyan); background: var(--cyan); box-shadow: 0 0 18px var(--cyan); animation-delay: .9s; }

.radar-panel {
  position: absolute;
  left: 18px;
  bottom: 18px;
  right: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  z-index: 2;
}

.radar-panel span {
  border: 1px solid var(--line);
  background: rgba(4, 7, 13, .62);
  padding: 10px;
  color: #d8eef6;
  font: 10px/1.3 var(--mono);
}

@keyframes sweep { to { transform: rotate(360deg); } }
@keyframes radar-grid { to { background-position: 40px 40px, 40px 40px, 0 0, 0 0; } }
@keyframes radar-frame { to { transform: rotate(405deg); } }
@keyframes radar-ping {
  0% { opacity: .55; transform: translate(-50%, -50%) scale(.15); }
  72% { opacity: .16; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(4.2); }
}
@keyframes target-pulse {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.35); filter: brightness(1.25); }
}

.footer {
  width: min(1360px, calc(100% - 48px));
  margin: 0 auto;
  padding: 24px 0 32px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  border-top: 1px solid var(--line);
}

.wrap {
  max-width: 1320px;
  margin: 0 auto;
  padding: 26px 24px 42px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.grid.two { grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); }

.card {
  position: relative;
  background: linear-gradient(180deg, rgba(17, 28, 43, .82), rgba(9, 16, 26, .86));
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px;
  box-shadow: 0 1px 0 rgba(255,255,255,.04) inset, var(--shadow);
  overflow: hidden;
}

html[data-theme="light"] .card {
  background: linear-gradient(180deg, rgba(255, 255, 255, .94), rgba(246, 249, 252, .95));
}

html[data-theme="light"] .card::before {
  background: linear-gradient(90deg, transparent, rgba(21,107,255,.36), transparent);
}

.card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(112,225,245,.72), transparent);
  opacity: .55;
}

.card h2 {
  margin: 0 0 16px;
  font-size: 18px;
  letter-spacing: .02em;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.section-head h2 {
  margin: 0;
}

.metric {
  margin-top: 8px;
  color: transparent;
  background: linear-gradient(135deg, #fff, var(--cyan) 54%, var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  font-size: 34px;
  font-weight: 850;
  font-family: var(--mono);
}

html[data-theme="light"] .metric {
  background: linear-gradient(135deg, #0e1721, var(--cyan) 54%, var(--green));
  -webkit-background-clip: text;
  background-clip: text;
}

.muted { color: var(--muted); }
.online { color: var(--green); font-weight: 700; }
.offline { color: var(--muted); }
.danger { color: var(--red); }
.warn { color: var(--amber); }
.success { color: var(--green); }
.pending { color: var(--amber); }
.error { color: var(--red); }

.live-notice {
  position: fixed;
  right: 22px;
  top: 76px;
  z-index: 80;
  max-width: min(420px, calc(100% - 44px));
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: rgba(6, 14, 23, .92);
  color: var(--text);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  font-size: 14px;
}

.live-notice.success { border-color: rgba(184,255,106,.5); color: var(--green); }
.live-notice.pending { border-color: rgba(245,184,75,.5); color: var(--amber); }
.live-notice.error { border-color: rgba(255,105,112,.55); color: var(--red); }

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  padding: 12px 10px;
  border-bottom: 1px solid rgba(145, 195, 220, .13);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
  word-break: normal;
}

th {
  color: #9eb4c3;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  background: rgba(255,255,255,.025);
}

html[data-theme="light"] th {
  color: #425363;
  background: rgba(21, 107, 255, .035);
}

td {
  color: #e6f2f7;
}

html[data-theme="light"] td {
  color: #182635;
}

tr:hover td { background: rgba(112,225,245,.045); }

input, select {
  width: 100%;
  padding: 12px 13px;
  color: var(--text);
  background: rgba(5, 12, 20, .76);
  border: 1px solid var(--line);
  border-radius: 4px;
  outline: none;
}

html[data-theme="light"] input,
html[data-theme="light"] select {
  background: rgba(255, 255, 255, .92);
  color: #0e1721;
}

input[type="checkbox"] {
  width: auto;
  padding: 0;
  accent-color: var(--cyan);
}

input:focus, select:focus {
  border-color: rgba(112,225,245,.72);
  box-shadow: 0 0 0 3px rgba(112,225,245,.1);
}

label {
  display: block;
  margin: 12px 0 7px;
  color: var(--muted);
  font-size: 13px;
}

form + form { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(145,195,220,.13); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.checkline {
  display: flex;
  align-items: center;
  gap: 9px;
}

.login {
  width: min(430px, calc(100% - 36px));
  margin: 11vh auto;
}

.login h2 { font-size: 24px; }

.canvas {
  width: 100%;
  height: 460px;
  background:
    linear-gradient(90deg, rgba(112,225,245,.06) 1px, transparent 1px),
    linear-gradient(rgba(112,225,245,.06) 1px, transparent 1px),
    #06101a;
  background-size: 34px 34px;
  border: 1px solid var(--line);
  border-radius: 4px;
}

html[data-theme="light"] .canvas,
html[data-theme="light"] .json-box,
html[data-theme="light"] .map-shell {
  background: rgba(255, 255, 255, .96);
}

html[data-theme="light"] .json-box {
  color: #15212d;
  border-color: rgba(80, 94, 110, .16);
}

html[data-theme="light"] .muted {
  color: #4c5a68;
}

html[data-theme="light"] .live-notice {
  background: rgba(255, 255, 255, .96);
  color: #0e1721;
  border-color: rgba(80, 94, 110, .18);
}

pre.card {
  white-space: pre-wrap;
  max-height: 340px;
  overflow: auto;
  color: #cfe3ed;
  font-family: var(--mono);
  font-size: 12px;
}

html[data-theme="light"] pre.card {
  color: #15212d;
}

.json-box {
  max-height: 360px;
  overflow: auto;
  margin: 0;
  padding: 14px;
  color: #cfe3ed;
  background: rgba(5, 12, 20, .62);
  border: 1px solid rgba(145, 195, 220, .16);
  border-radius: 4px;
  white-space: pre-wrap;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
}

.map-shell {
  width: 100%;
  min-height: 360px;
  border: 1px solid rgba(145, 195, 220, .16);
  border-radius: 4px;
  overflow: hidden;
  background: #08131d;
}

.map-shell.tall {
  min-height: 460px;
}

.map-hint {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.settings-form {
  max-width: 760px;
}

.replay-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin: 14px 0 0;
}

.replay-controls input[type="range"] {
  flex: 1 1 320px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}