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

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #3a86ff;
  --accent-hover: #5a9fff;
  --danger: #f85149;
  --success: #3fb950;
  --marker: #ff6b35;
  --radius: 8px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ── Layout ─────────────────────────────────────────────────────────────── */

.app-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.globe-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#globe-container {
  position: absolute;
  inset: 0;
}

/* Force crosshair — Cesium dynamically changes cursor, !important keeps ours */
#globe-container canvas {
  cursor: crosshair !important;
}

/* Compass / north-reset button */
.compass-btn {
  position: absolute;
  bottom: 32px;
  right: 16px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0,0,0,.5);
  transition: background .15s, transform .15s;
  z-index: 50;
}
.compass-btn:hover {
  background: var(--surface2);
  transform: scale(1.08);
}

/* Overlays sit on top of the canvas; individual children handle pointer events */
#globe-overlays {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* ── Sidebar toggle tab ──────────────────────────────────────────────────── */

.sidebar-toggle-btn {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 48px;
  background: var(--surface);
  border: 1px solid var(--border) !important;
  border-right: none !important;
  border-radius: 6px 0 0 6px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  z-index: 20;
  pointer-events: auto;
  transition: background .15s, color .15s;
}
.sidebar-toggle-btn:hover { background: var(--surface2); color: var(--text); }

/* ── Sidebar ─────────────────────────────────────────────────────────────── */

.sidebar {
  width: 280px;
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sidebar.collapsed {
  width: 0;
  border-left: none;
}

.sidebar__section {
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar__section h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.sidebar__scroll {
  overflow-y: auto;
  flex: 1;
  padding: 16px;
}

/* ── Topbar ──────────────────────────────────────────────────────────────── */

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.topbar__title {
  font-weight: 700;
  font-size: 16px;
  color: var(--accent);
  margin-right: auto;
}

.topbar__user {
  color: var(--text-muted);
  font-size: 13px;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */

button, .btn {
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  padding: 6px 12px;
  transition: background .15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface2); color: var(--text); }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #e03e36; }

.btn-sm {
  padding: 3px 8px;
  font-size: 12px;
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.btn-sm:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.btn-accept {
  background: var(--success);
  color: #fff;
  padding: 3px 8px;
  font-size: 12px;
  border-radius: 4px;
}
.btn-reject {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 3px 8px;
  font-size: 12px;
  border-radius: 4px;
}

/* ── Friends / requests lists ────────────────────────────────────────────── */

ul { list-style: none; }

.friend-item, .request-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.friend-item:last-child, .request-item:last-child { border-bottom: none; }

.request-actions { display: flex; gap: 6px; }

.muted { color: var(--text-muted); font-size: 12px; padding: 4px 0; }

/* ── Friend input row ────────────────────────────────────────────────────── */

.input-row {
  display: flex;
  gap: 8px;
}

input[type="text"], input[type="password"] {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  padding: 6px 10px;
  width: 100%;
  outline: none;
  transition: border-color .15s;
}
input:focus { border-color: var(--accent); }

/* ── Overlays ─────────────────────────────────────────────────────────────── */

.hidden { display: none !important; }

/* Add-marker dialog */
#add-marker-dialog {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  z-index: 100;
  width: 300px;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  pointer-events: auto;
}

#add-marker-dialog h3 { margin-bottom: 12px; font-size: 15px; }

.coords-preview {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.dialog-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  justify-content: flex-end;
}

/* Marker info panel */
#marker-panel {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  z-index: 100;
  min-width: 240px;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  pointer-events: auto;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

#marker-panel-name {
  font-size: 16px;
  font-weight: 600;
}

.panel-coords {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* Viewing banner */
#viewing-banner {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  border-radius: 20px;
  padding: 4px 16px;
  font-size: 13px;
  z-index: 50;
}

/* Return to my globe button */
#btn-my-globe {
  position: absolute;
  top: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  pointer-events: auto;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  z-index: 1000;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .25s, transform .25s;
  pointer-events: none;
}
.toast--visible { opacity: 1; transform: none; }
.toast--info { background: var(--accent); color: #fff; }
.toast--error { background: var(--danger); color: #fff; }


/* ── Login page ──────────────────────────────────────────────────────────── */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  background: var(--bg);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 40px;
  width: 360px;
  box-shadow: 0 8px 40px rgba(0,0,0,.5);
}

.login-card h1 { font-size: 22px; margin-bottom: 4px; }
.login-card .subtitle { color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 5px; font-size: 12px; color: var(--text-muted); }

.login-card .btn-primary { width: 100%; margin-top: 8px; padding: 9px; font-size: 14px; }

.toggle-mode {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.toggle-mode a { color: var(--accent); cursor: pointer; text-decoration: none; }
.toggle-mode a:hover { text-decoration: underline; }

.error-msg {
  color: var(--danger);
  font-size: 12px;
  margin-top: 8px;
  min-height: 18px;
}