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

:root {
  --bg: #0a1628;
  --surface: #0d1f3c;
  --border: #1e3a5f;
  --blue: #4a9ece;
  --blue-dark: #3a8abe;
  --text: #e8f4f8;
  --muted: #8ab4cc;
  --dim: #4a6a82;
  --green: #2ecc71;
  --yellow: #f39c12;
  --orange: #e67e22;
  --red: #e74c3c;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

#app { display: flex; flex-direction: column; height: 100vh; }

/* Topbar */
#topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  height: 50px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 10;
}

#logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.3px;
  white-space: nowrap;
}

#mode-toggle {
  display: flex;
  background: var(--bg);
  border-radius: 6px;
  padding: 3px;
  gap: 2px;
}

#mode-toggle button {
  padding: 4px 14px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s;
}

#mode-toggle button.active {
  background: var(--blue);
  color: #fff;
  font-weight: 600;
}

#tiles-status {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--dim);
  white-space: nowrap;
}

/* Main layout */
#main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

#map { flex: 1; }

#map.edit-cursor { cursor: crosshair !important; }

/* Panel */
.panel {
  width: 270px;
  min-width: 270px;
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Quiz panel */
#quiz-empty, #quiz-end {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 24px 20px;
  text-align: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.empty-icon { font-size: 2.5rem; }

#quiz-end { gap: 16px; }

#final-score {
  font-size: 2rem;
  font-weight: 700;
  color: var(--blue);
}

#btn-restart {
  padding: 10px 20px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
}

#quiz-question {
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 6px;
  flex: 1;
}

#quiz-score {
  font-size: 0.78rem;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

#score-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue);
}

#quiz-progress { margin-left: auto; }

#quiz-prompt {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#quiz-name {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

#quiz-category {
  font-size: 0.75rem;
  color: var(--blue);
  font-weight: 500;
}

#quiz-hint {
  font-size: 0.8rem;
  color: var(--dim);
  font-style: italic;
  min-height: 16px;
}

#quiz-instruction {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--muted);
  background: rgba(74,158,206,0.08);
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  text-align: center;
}

#quiz-feedback {
  display: none;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

#feedback-distance {
  font-size: 0.9rem;
  color: var(--muted);
}

#feedback-label {
  font-size: 1.5rem;
  font-weight: 700;
}

#btn-next {
  width: 100%;
  padding: 10px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.15s;
}

#btn-next:hover { background: var(--blue-dark); }

/* Edit panel */
.panel-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
}

.panel-hint {
  font-size: 0.75rem;
  color: var(--dim);
  font-weight: 400;
}

#points-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#points-list::-webkit-scrollbar { width: 4px; }
#points-list::-webkit-scrollbar-track { background: transparent; }
#points-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.point-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 0.8rem;
}

.point-item-info { flex: 1; min-width: 0; }

.point-item-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}

.point-item-cat {
  font-size: 0.7rem;
  color: var(--dim);
  margin-top: 1px;
}

.point-item-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.btn-icon {
  background: none;
  border: none;
  color: var(--dim);
  cursor: pointer;
  font-size: 0.95rem;
  padding: 3px 5px;
  border-radius: 4px;
  transition: all 0.1s;
  line-height: 1;
}

.btn-icon:hover { background: var(--border); color: var(--text); }
.btn-icon.del:hover { background: rgba(231,76,60,0.15); color: var(--red); }

.empty-list {
  font-size: 0.8rem;
  color: var(--dim);
  text-align: center;
  padding: 20px;
}

/* Modal */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

#modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  width: 340px;
  max-width: 90vw;
}

#modal h3 {
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 1rem;
}

.form-group { margin-bottom: 12px; }

.form-group label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.875rem;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue);
}

.form-group select option { background: var(--bg); }

.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 18px;
}

.form-actions button {
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s;
}

.btn-cancel {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}

.btn-cancel:hover { border-color: var(--muted); }

.btn-primary {
  background: var(--blue);
  border: 1px solid var(--blue);
  color: #fff;
  font-weight: 600;
}

.btn-primary:hover { background: var(--blue-dark); }

/* Map markers */
.map-pin {
  font-size: 20px;
  line-height: 1;
  text-align: center;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.6));
  cursor: pointer;
}