:root {
  --bg: #0e1116;
  --card: #171c24;
  --card-2: #1f2630;
  --line: #2b3340;
  --text: #e8edf3;
  --muted: #93a1b3;
  --accent: #18a06a;
  --accent-d: #0b6e4f;
  --danger: #e05a4d;
  --warn: #e2a23b;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

#map { position: absolute; inset: 0; background: #0b0e12; }

.map-missing {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 24px; color: var(--muted); pointer-events: none;
}

.hidden { display: none !important; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

/* Control panel (top-left) */
.panel {
  position: absolute; top: 12px; left: 12px; width: min(360px, calc(100vw - 24px));
  padding: 14px; z-index: 1100;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.panel-head strong { font-size: 16px; letter-spacing: 0.3px; }

.tabs { display: flex; gap: 6px; background: var(--card-2); padding: 4px; border-radius: 10px; margin-bottom: 12px; }
.tab {
  flex: 1; padding: 8px; border: 0; border-radius: 8px; background: transparent;
  color: var(--muted); font-weight: 600; cursor: pointer;
}
.tab.active { background: var(--accent-d); color: #fff; }

.seg { display: flex; gap: 6px; background: var(--card-2); padding: 4px; border-radius: 10px; }
.seg-btn { flex: 1; padding: 7px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); font-weight: 600; cursor: pointer; font-size: 13px; }
.seg-btn.active { background: var(--accent-d); color: #fff; }
textarea.paste {
  width: 100%; resize: vertical; min-height: 48px; font-family: inherit; font-size: 13px;
  padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card-2); color: var(--text);
}
textarea.paste:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.or-divider { text-align: center; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.6px; margin: 2px 0; }

.tabpane { display: flex; flex-direction: column; gap: 10px; }

input, select {
  width: 100%; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card-2); color: var(--text); font-size: 15px;
}
input::placeholder { color: #6b7888; }
input:focus, select:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

.field-label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.field-label select { margin-top: 2px; }

button.primary {
  width: 100%; padding: 12px; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 15px;
}
button.primary:hover { background: var(--accent-d); }
button.primary:disabled { opacity: 0.6; cursor: default; }

button.link {
  background: transparent; border: 0; color: var(--accent); cursor: pointer;
  font-weight: 600; padding: 4px; align-self: flex-start; font-size: 14px;
}

/* Tower rows */
.tower-head, .tower-row { display: grid; grid-template-columns: 1fr 1fr 1fr 1.4fr 0.9fr 28px; gap: 5px; align-items: center; }
.tower-head { font-size: 10px; color: var(--muted); padding: 0 2px; text-transform: uppercase; letter-spacing: 0.4px; }
.tower-row input { padding: 8px 6px; font-size: 13px; text-align: center; }
.tower-row .t-del {
  background: transparent; border: 0; color: var(--danger); font-size: 18px; cursor: pointer; line-height: 1;
}

.status-msg { margin: 8px 0 0; font-size: 13px; min-height: 16px; }
.status-msg.error { color: var(--danger); }
.status-msg.warn { color: var(--warn); }

.zone-note {
  background: rgba(226, 162, 59, 0.14);
  border: 1px solid var(--warn);
  color: #f0c987;
  font-size: 11.5px;
  line-height: 1.4;
  padding: 8px 10px;
  border-radius: 10px;
  margin: 0 0 10px;
}
.corr-note {
  background: rgba(24, 160, 106, 0.16);
  border: 1px solid var(--accent);
  color: #8fe3bf;
  font-size: 11.5px; line-height: 1.4;
  padding: 7px 10px; border-radius: 10px; margin: 0 0 8px;
}
.trail-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; margin-top: 8px; min-height: 18px;
}
.trail-bar #trail-count { font-size: 12px; color: var(--muted); }
.trail-bar .link { font-size: 12px; padding: 2px; }

/* Collapsed control panel (after a search) so the map + pin + zone are visible */
#new-search { display: none; margin-top: 4px; }
.panel.collapsed .tabs,
.panel.collapsed .tabpane,
.panel.collapsed .trail-bar,
.panel.collapsed #status-msg { display: none !important; }
.panel.collapsed #new-search { display: block; }
.panel.collapsed .panel-head { margin-bottom: 0; }

/* Live "you are here" distance chip (shown while navigating, i.e. panel collapsed) */
.me-bar {
  position: absolute; top: 78px; left: 50%; transform: translateX(-50%);
  z-index: 1150; display: none; max-width: calc(100vw - 24px);
  background: rgba(26, 115, 232, 0.94); color: #fff; font-weight: 700; font-size: 12.5px;
  padding: 6px 14px; border-radius: 999px; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
  white-space: nowrap; pointer-events: none;
}
.me-bar.show { display: block; }

/* Result panel (bottom) */
.result { position: absolute; left: 12px; bottom: 12px; width: min(360px, calc(100vw - 24px)); padding: 14px; z-index: 1100; max-height: 46vh; overflow-y: auto; }
.result h3 { margin: 0 0 8px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.result .rows { display: grid; grid-template-columns: auto 1fr; gap: 5px 10px; font-size: 13px; }
.result .rows .k { color: var(--muted); }
.result .rows .v { word-break: break-word; }
.result .actions { display: flex; gap: 8px; margin-top: 12px; }
.result .actions a, .result .actions button {
  flex: 1; text-align: center; padding: 9px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--card-2); color: var(--text); text-decoration: none; font-size: 13px; cursor: pointer; font-weight: 600;
}
.badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--accent-d); color: #fff; font-weight: 700; }
.badge.zone { background: var(--danger); }
.sim-warning {
  background: rgba(224, 90, 77, 0.18);
  border: 1px solid var(--danger);
  color: #ffb4ab;
  font-weight: 700;
  font-size: 12px;
  text-align: center;
  padding: 8px;
  border-radius: 10px;
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}

/* Login + loading overlays */
.overlay {
  position: absolute; inset: 0; z-index: 1200; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 14px;
  background: rgba(8, 11, 15, 0.82); backdrop-filter: blur(3px);
}
.login-card { width: min(340px, calc(100vw - 40px)); padding: 26px; display: flex; flex-direction: column; gap: 12px; }
.login-card h1 { margin: 0; font-size: 22px; }
.muted { color: var(--muted); margin: 0; font-size: 13px; }
.error { color: var(--danger); font-size: 13px; min-height: 16px; margin: 0; }

.spinner {
  width: 42px; height: 42px; border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.15); border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }