:root {
  --bg: #08090c;
  --bg-1: #0e1116;
  --bg-2: #141821;
  --line: #1f2530;
  --line-2: #2a3140;
  --ink: #e8edf4;
  --ink-dim: #8b94a6;
  --ink-mute: #5a6173;
  --signal: #4ade80;
  --signal-dim: #22a866;
  --warn: #ffb020;
  --bad: #ff4d4d;
  --safe: rgba(74, 222, 128, 0.12);
  --shadow-soft: 0 1px 0 rgba(255,255,255,0.04) inset, 0 8px 24px rgba(0,0,0,0.5);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Manrope', system-ui, sans-serif;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
}
body {
  display: flex; flex-direction: column;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(74,222,128,0.06), transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(94,234,212,0.04), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ===== HEADER ===== */
header {
  position: relative; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(to bottom, rgba(8,9,12,0.95), rgba(8,9,12,0.7));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: radial-gradient(circle at 30% 30%, var(--signal), var(--signal-dim) 60%, #0e3a23);
  box-shadow: 0 0 14px rgba(74,222,128,0.4), inset 0 0 0 1px rgba(255,255,255,0.15);
  position: relative;
}
.brand-mark::after {
  content: '';
  position: absolute; inset: 6px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.85);
  border-top-color: transparent;
  animation: spin 4s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text .name {
  font-family: 'Syne', sans-serif;
  font-weight: 800; font-size: 16px;
  letter-spacing: -0.01em;
}
.brand-text .sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px; letter-spacing: 0.16em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-top: 3px;
}
.header-actions { display: flex; gap: 8px; }
.icon-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--ink-dim);
  display: grid; place-items: center;
  cursor: pointer;
  transition: all 0.15s ease;
}
.icon-btn:active { transform: scale(0.94); background: var(--bg-2); color: var(--ink); }
.icon-btn svg { width: 18px; height: 18px; stroke-width: 1.8; }

/* ===== MAIN MAP AREA ===== */
main {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
}
.stage {
  position: relative;
  width: 100%; height: 100%;
  overflow: hidden;
}
#plan-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
  pointer-events: none;
  opacity: 0.85;
  display: none;
}
#plan-img.has-image { display: block; }
.grid-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(rgba(74,222,128,0.04) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(74,222,128,0.04) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 12px 12px,
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px) 0 0 / 12px 12px,
    radial-gradient(circle at 50% 50%, rgba(74,222,128,0.06), transparent 70%);
  pointer-events: none;
}
.grid-bg.hidden { display: none; }
.empty-hint {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 20px;
  pointer-events: none;
  color: var(--ink-mute);
}
.empty-hint .big {
  font-family: 'Syne', sans-serif;
  font-weight: 700; font-size: 22px;
  color: var(--ink-dim);
  letter-spacing: -0.01em;
  max-width: 280px;
  line-height: 1.25;
}
.empty-hint .small {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  margin-top: 14px;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.empty-hint.hidden { display: none; }

#overlay {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  touch-action: manipulation;
}

.pulse-host {
  position: absolute;
  width: 0; height: 0;
  pointer-events: none;
  z-index: 4;
}
.pulse-host .ring {
  position: absolute;
  left: 50%; top: 50%;
  width: 30px; height: 30px;
  margin: -15px 0 0 -15px;
  border-radius: 50%;
  border: 2px solid var(--signal);
  opacity: 0.9;
  animation: pulse 1.4s ease-out infinite;
}
.pulse-host .ring:nth-child(2) { animation-delay: 0.45s; }
.pulse-host .ring:nth-child(3) { animation-delay: 0.9s; }
.pulse-host .core {
  position: absolute;
  left: 50%; top: 50%;
  width: 12px; height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 14px rgba(74,222,128,0.7);
}
@keyframes pulse {
  0% { transform: scale(0.4); opacity: 0.95; }
  100% { transform: scale(4); opacity: 0; }
}

/* ===== FOOTER PANEL ===== */
footer {
  position: relative; z-index: 5;
  background: linear-gradient(to top, rgba(8,9,12,0.98), rgba(8,9,12,0.85));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  padding: 12px 14px 16px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
}
.stats-row { display: flex; gap: 8px; margin-bottom: 12px; }
.stat-card {
  flex: 1;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 9px 11px;
  min-width: 0;
}
.stat-card .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.stat-card .value {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.01em;
}
.stat-card .value .unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-mute);
  margin-left: 3px;
  font-weight: 500;
}
.stat-card.points .value { color: var(--signal); }

.controls-row { display: flex; gap: 8px; align-items: stretch; }
.toggle {
  display: flex;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 3px;
  flex: 0 0 auto;
}
.toggle button {
  flex: 1;
  padding: 0 12px;
  height: 44px;
  border: 0; background: transparent;
  color: var(--ink-mute);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.toggle button.active {
  background: var(--bg-2);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line-2);
}

.test-btn {
  flex: 1;
  height: 44px;
  border: 1px solid rgba(74,222,128,0.4);
  background: linear-gradient(180deg, rgba(74,222,128,0.18), rgba(74,222,128,0.08));
  color: var(--signal);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.test-btn:active { transform: scale(0.98); }
.test-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.test-btn .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 8px var(--signal);
}
.test-btn.testing {
  border-color: rgba(255,176,32,0.4);
  background: linear-gradient(180deg, rgba(255,176,32,0.18), rgba(255,176,32,0.08));
  color: var(--warn);
}
.test-btn.testing .dot {
  background: var(--warn);
  box-shadow: 0 0 8px var(--warn);
  animation: blink 0.6s ease-in-out infinite alternate;
}
@keyframes blink { to { opacity: 0.3; } }

.hint-bar {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  text-align: center;
  margin-bottom: 10px;
  text-transform: uppercase;
  min-height: 13px;
}
.hint-bar .err { color: var(--bad); }

/* ===== MENU ===== */
.menu-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
}
.menu-backdrop.open { opacity: 1; pointer-events: auto; }
.menu-sheet {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  border-radius: 20px 20px 0 0;
  padding: 12px 16px max(20px, env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 -10px 40px rgba(0,0,0,0.5);
  z-index: 101;
}
.menu-sheet.open { transform: translateY(0); }
.menu-grip {
  width: 36px; height: 4px;
  background: var(--line-2);
  border-radius: 2px;
  margin: 0 auto 14px;
}
.menu-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 4px;
}
.menu-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.menu-item {
  display: flex; align-items: center; gap: 12px;
  width: 100%;
  padding: 14px 12px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  margin-bottom: 8px;
}
.menu-item:active { background: var(--bg-1); }
.menu-item svg {
  width: 18px; height: 18px;
  color: var(--ink-dim);
  flex-shrink: 0;
}
.menu-item.danger { color: var(--bad); }
.menu-item.danger svg { color: var(--bad); }
.menu-item .desc {
  font-size: 11px;
  color: var(--ink-mute);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.05em;
  margin-top: 2px;
  display: block;
  font-weight: 400;
}

/* ===== LEGEND ===== */
.legend {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(14,17,22,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  z-index: 6;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  max-width: 110px;
}
.legend .label { margin-bottom: 5px; }
.legend .gradient {
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, #ff4d4d, #ffb020 50%, #4ade80);
  margin-bottom: 4px;
}
.legend .scale {
  display: flex; justify-content: space-between;
  font-size: 8px;
  color: var(--ink-mute);
}

#file-input { display: none; }

/* ===== MENU BRAND CREDIT ===== */
.menu-brand {
  margin-top: 6px; margin-bottom: 16px;
  padding: 10px 14px;
  background: rgba(13,27,42,0.65);
  border: 1px solid rgba(156,168,184,0.18);
  border-radius: 10px;
  display: flex; align-items: center;
}
.menu-brand img {
  height: 24px;
  width: auto;
  display: block;
}

/* ===== ADDRESS MODAL ===== */
.addr-modal {
  position: fixed; inset: 0;
  background: rgba(8,9,12,0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 200;
  display: none;
  flex-direction: column;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}
.addr-modal.open { display: flex; }
.addr-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.addr-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700; font-size: 17px;
  letter-spacing: -0.01em;
}
.addr-title .accent {
  color: var(--signal);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  margin-left: 8px;
  text-transform: uppercase;
  font-weight: 500;
}
.addr-close {
  width: 36px; height: 36px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--ink-dim);
  font-size: 22px; line-height: 1;
  cursor: pointer;
  display: grid; place-items: center;
  padding: 0; padding-bottom: 2px;
}
.addr-input-wrap { padding: 14px 16px 8px; }
.addr-input-row { display: flex; gap: 8px; }
#addr-input {
  flex: 1;
  height: 46px;
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 0 14px;
  color: var(--ink);
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease;
  -webkit-appearance: none;
}
#addr-input:focus { border-color: var(--signal-dim); }
#addr-input::placeholder { color: var(--ink-mute); }
.addr-go {
  height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(74,222,128,0.4);
  background: linear-gradient(180deg, rgba(74,222,128,0.18), rgba(74,222,128,0.08));
  color: var(--signal);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  border-radius: 12px;
  cursor: pointer;
  letter-spacing: 0.02em;
}
.addr-go:active { transform: scale(0.97); }
.addr-go:disabled { opacity: 0.5; }

.addr-status {
  padding: 0 16px;
  min-height: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.addr-status.err { color: var(--bad); }
.addr-status.ok { color: var(--signal); }

.addr-found {
  padding: 0 16px 4px;
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.4;
  display: none;
}
.addr-found.show { display: block; }

.addr-preview {
  flex: 1;
  margin: 12px 16px;
  position: relative;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  display: grid; place-items: center;
  min-height: 200px;
}
#addr-canvas {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.addr-preview.empty::before {
  content: 'Search to load satellite imagery';
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  text-transform: uppercase;
  position: absolute;
  pointer-events: none;
}
.addr-preview.loading::before {
  content: 'Loading satellite imagery…';
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--signal);
  text-transform: uppercase;
  position: absolute;
  z-index: 5;
  background: rgba(8,9,12,0.7);
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(74,222,128,0.3);
}
.addr-marker {
  position: absolute;
  left: 50%; top: 50%;
  width: 14px; height: 14px;
  margin: -7px 0 0 -7px;
  border: 2px solid #fff;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(0,0,0,0.6), 0 0 12px rgba(74,222,128,0.6);
  pointer-events: none;
  display: none;
}
.addr-preview.has-image .addr-marker { display: block; }
.addr-zoom-controls {
  position: absolute;
  bottom: 12px; right: 12px;
  flex-direction: column;
  background: rgba(14,17,22,0.92);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  overflow: hidden;
  display: none;
}
.addr-preview.has-image .addr-zoom-controls { display: flex; }
.addr-zoom-controls button {
  width: 38px; height: 38px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 22px;
  font-weight: 600;
  cursor: pointer;
  line-height: 1;
  padding: 0;
  font-family: 'JetBrains Mono', monospace;
}
.addr-zoom-controls button:active { background: var(--bg-2); }
.addr-zoom-controls button:disabled { opacity: 0.3; }
.addr-zoom-controls button + button { border-top: 1px solid var(--line); }

.addr-zoom-label {
  position: absolute;
  bottom: 12px; left: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: rgba(14,17,22,0.92);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 6px 10px;
  text-transform: uppercase;
  display: none;
}
.addr-preview.has-image .addr-zoom-label { display: block; }

.addr-attribution {
  position: absolute;
  top: 8px; left: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 8px;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.7);
  background: rgba(0,0,0,0.5);
  padding: 3px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  display: none;
}
.addr-preview.has-image .addr-attribution { display: block; }

.addr-footer {
  display: flex; gap: 8px;
  padding: 10px 16px 16px;
  border-top: 1px solid var(--line);
}
.addr-btn {
  flex: 1; height: 48px;
  border-radius: 12px;
  font-family: 'Syne', sans-serif;
  font-weight: 700; font-size: 14px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: transform 0.1s ease;
}
.addr-btn:active { transform: scale(0.98); }
.addr-btn-secondary {
  border: 1px solid var(--line-2);
  background: var(--bg-1);
  color: var(--ink);
}
.addr-btn-primary {
  border: 1px solid rgba(74,222,128,0.5);
  background: linear-gradient(180deg, rgba(74,222,128,0.22), rgba(74,222,128,0.1));
  color: var(--signal);
}
.addr-btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}