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

:root {
  --bg:        #0d1a16;   /* Iswi dark teal */
  --surface:   #0f211b;
  --border:    #1e3d35;
  --accent:    #f97316;   /* Iswi orange */
  --accent2:   #22c55e;   /* Iswi green */
  --text:      #f0fdf4;
  --muted:     #4d7a6b;
  --panel-w:   320px;
  --font:      'Inter', system-ui, sans-serif;
}

html, body {
  width: 100%; height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  overflow: hidden;
}

#canvas-container {
  position: fixed; inset: 0;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
#header {
  position: fixed; top: 0; left: 0;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px;
  background: linear-gradient(to bottom, rgba(6,8,16,.9) 70%, transparent);
  z-index: 10;
  pointer-events: none;
}

#logo {
  font-size: 18px; font-weight: 700; letter-spacing: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

#header-sub {
  font-size: 11px; color: var(--muted); letter-spacing: 1px;
  text-transform: uppercase;
}

/* ── Left panel: controls + legend + selected stacked on the left ─────────── */
#left-panel {
  position: fixed; top: 68px; left: 20px;
  display: flex; flex-direction: column; gap: 10px;
  z-index: 10;
}

#controls {
  display: flex; flex-direction: column; gap: 6px;
}

.ctrl-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 11px; font-family: var(--font);
  letter-spacing: .5px;
  transition: border-color .15s, background .15s;
}
.ctrl-btn:hover  { border-color: var(--accent2); background: #0f2b1f; }
.ctrl-btn.active { border-color: var(--accent2); color: var(--accent2); }

/* ── Stats bar (bottom) ───────────────────────────────────────────────────── */
#stats-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  display: flex; gap: 24px; align-items: center;
  padding: 10px 20px;
  background: linear-gradient(to top, rgba(6,8,16,.95) 70%, transparent);
  z-index: 10;
  pointer-events: none;
}

.stat-item { display: flex; flex-direction: column; gap: 1px; }
.stat-label { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .8px; }
.stat-value { font-size: 14px; font-weight: 600; color: var(--accent); font-variant-numeric: tabular-nums; }

/* ── Info panel (right) ───────────────────────────────────────────────────── */
#info-panel {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: var(--panel-w);
  background: rgba(13,20,37,.96);
  border-left: 1px solid var(--border);
  padding: 60px 20px 20px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .25s ease;
  z-index: 9;
}
#info-panel.open { transform: translateX(0); }

#panel-close {
  position: absolute; top: 14px; right: 14px;
  background: none; border: none; color: var(--muted);
  font-size: 18px; cursor: pointer; line-height: 1;
}
#panel-close:hover { color: var(--text); }

.panel-id {
  font-size: 10px; color: var(--accent); letter-spacing: 1px;
  text-transform: uppercase; margin-bottom: 6px;
}
.panel-name {
  font-size: 16px; font-weight: 700; margin-bottom: 16px;
}

.panel-section { margin-bottom: 18px; }
.panel-section-title {
  font-size: 10px; color: var(--muted); text-transform: uppercase;
  letter-spacing: .8px; margin-bottom: 8px;
  padding-bottom: 4px; border-bottom: 1px solid var(--border);
}

.kv { display: flex; justify-content: space-between; padding: 4px 0; }
.kv-key { color: var(--muted); }
.kv-val { font-weight: 600; font-variant-numeric: tabular-nums; }

.activity-bar {
  height: 4px; border-radius: 2px;
  background: linear-gradient(to right, var(--accent2), var(--accent));
  margin-top: 3px;
}

.neighbor-list {
  display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px;
}
.neighbor-chip {
  font-size: 10px; padding: 2px 7px;
  background: var(--border); border-radius: 4px;
  cursor: pointer; transition: background .1s;
}
.neighbor-chip:hover { background: var(--accent); color: var(--bg); }

/* ── Loading overlay ─────────────────────────────────────────────────────── */
#loading {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: var(--bg); z-index: 100;
  gap: 16px;
}
#loading .spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
#loading-msg { color: var(--muted); font-size: 12px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Crosshair tooltip ───────────────────────────────────────────────────── */
#tooltip {
  position: fixed; pointer-events: none;
  background: rgba(13,20,37,.9);
  border: 1px solid var(--border);
  padding: 6px 10px; border-radius: 6px;
  font-size: 11px; color: var(--text);
  white-space: nowrap;
  display: none; z-index: 20;
}

/* ── Resize block ────────────────────────────────────────────────────────── */
.resize-block { margin-top: 2px; }

/* Large live km readout */
.radius-readout {
  text-align: center;
  padding: 6px 0 2px;
  line-height: 1;
}
#p-slider-num {
  font-size: 32px; font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
}
.radius-unit {
  font-size: 13px; color: var(--muted); font-weight: 400;
}

#p-radius-slider {
  width: 100%; margin: 8px 0 3px;
  accent-color: var(--accent);
  cursor: pointer;
  height: 20px;   /* easier to grab */
}

.slider-minmax {
  display: flex; justify-content: space-between;
  font-size: 10px; color: var(--muted);
  margin-bottom: 8px;
}

.resize-btns {
  display: flex; gap: 8px;
}
.resize-btns .resize-save { flex: 1; border-color: var(--accent); color: var(--accent); }
.resize-btns .resize-save:hover { background: var(--accent); color: var(--bg); }

/* ── Legend (inside #left-panel — no longer fixed bottom-right) ──────────── */
#legend {
  background: rgba(13,33,25,.9);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px;
  min-width: 150px;
}

/* ── Selected region box (below legend) ─────────────────────────────────── */
#selected-box {
  background: rgba(13,33,25,.9);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 14px;
}
.sel-label { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .7px; margin-bottom: 3px; }
.sel-value { font-size: 13px; font-weight: 700; color: var(--accent2); font-variant-numeric: tabular-nums; }
.legend-title { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .8px; margin-bottom: 8px; }
.legend-gradient {
  height: 8px; border-radius: 4px;
  background: linear-gradient(to right, #f97316, #22c55e);
  margin-bottom: 4px;
}
.legend-labels { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); }
.leg-region-name { font-size: 11px; font-weight: 600; color: var(--text); margin-bottom: 2px; min-height: 14px; }

/* ── Map labels ──────────────────────────────────────────────────────────── */
#labels-container {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 5;
  overflow: hidden;
}
.map-label {
  position: absolute;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  font-family: var(--font);
  text-shadow: 0 1px 3px rgba(0,0,0,.9), 0 0 8px rgba(0,0,0,.8);
  transition: opacity .2s;
  pointer-events: none;
}
.map-label-country {
  font-size: 10px; font-weight: 600; letter-spacing: .6px;
  color: rgba(240,253,244,.75); text-transform: uppercase;
}
.map-label-city {
  font-size: 9px; font-weight: 400;
  color: rgba(240,253,244,.55);
}

/* ── Node saturation bar ─────────────────────────────────────────────────── */
.sat-bar-wrap {
  height: 8px; background: var(--border); border-radius: 4px;
  overflow: hidden; margin: 8px 0 5px;
}
.sat-bar-fill {
  height: 100%; width: 0%;
  background: linear-gradient(to right, var(--accent2), #16a34a);
  border-radius: 4px;
  transition: width .4s ease;
}
.sat-meta {
  font-size: 11px; color: var(--text);
  font-variant-numeric: tabular-nums; margin-bottom: 2px;
}
.sat-region {
  font-size: 10px; color: var(--muted); font-style: italic;
}

/* ── Admin gate ──────────────────────────────────────────────────────────── */
.resize-block { display: none; }
body.admin-auth .resize-block { display: block; }

#admin-lock {
  position: fixed; top: 14px; right: 14px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--muted); border-radius: 6px;
  width: 32px; height: 32px; font-size: 14px;
  cursor: pointer; z-index: 20; display: flex;
  align-items: center; justify-content: center;
  transition: border-color .15s, color .15s;
}
#admin-lock:hover       { border-color: var(--accent); color: var(--accent); }
#admin-lock.unlocked   { border-color: var(--accent2); color: var(--accent2); }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
.modal-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px; width: 300px;
}
.modal-title {
  font-size: 15px; font-weight: 700; margin-bottom: 16px;
}
.modal-input {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  color: var(--text); border-radius: 6px; padding: 8px 10px;
  font-size: 12px; font-family: var(--font); margin-bottom: 8px;
  outline: none;
}
.modal-input:focus { border-color: var(--accent); }
.modal-error { font-size: 11px; color: #f87171; min-height: 16px; margin-bottom: 8px; }
.modal-btns { display: flex; gap: 8px; margin-top: 4px; }
.modal-btns button { flex: 1; }