/* ─── Auth Overlay — Multi-user ─── */

.auth-overlay {
  position: fixed; inset: 0; z-index: 9999;
  display: grid; place-items: center;
  background: rgba(0,0,0,.85);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.auth-hidden { display: none !important; }

.auth-card {
  width: min(92vw, 420px);
  max-height: 90vh;
  overflow-y: auto;
  background: rgba(30,30,30,.95);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: 32px 28px;
  text-align: center;
}
.auth-logo { font-size: 48px; margin-bottom: 8px; }
.auth-title { margin: 0 0 4px; font-size: 20px; color: #e8e8e8; }
.auth-subtitle { color: #a0a0a0; font-size: 13px; margin: 4px 0 16px; }

.auth-form { text-align: left; }
.auth-form > div { margin-bottom: 12px; }
.auth-form label { display: block; color: #a0a0a0; font-size: 12px; margin-bottom: 4px; }
.auth-form input, .auth-form select {
  width: 100%; padding: 10px 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px; color: #e8e8e8; font-size: 14px;
  outline: none;
}
.auth-form input:focus, .auth-form select:focus {
  border-color: rgba(255,255,255,.35);
}

.auth-remember { display: flex; align-items: center; gap: 8px; color: #a0a0a0; font-size: 13px; cursor: pointer; margin: 10px 0; flex-direction: row; white-space: nowrap; }
.auth-remember input[type="checkbox"] { width: 16px; height: 16px; margin: 0; flex-shrink: 0; accent-color: #8b5cf6; }
.auth-error { color: #f85149; font-size: 13px; min-height: 18px; margin: 4px 0; }

.auth-submit {
  width: 100%; padding: 12px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff; border: none; border-radius: 12px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  margin-top: 8px;
}
.auth-submit:active { transform: translateY(1px); }
.auth-submit:disabled { opacity: .5; cursor: not-allowed; }

.auth-footer { color: #666; font-size: 11px; margin-top: 12px; }

.auth-register-link {
  margin-top: 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.auth-link-btn {
  background: none; border: none; color: #8b5cf6;
  font-size: 13px; cursor: pointer; text-decoration: underline;
}

/* ─── Registration Form ─── */

.reg-section { margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.06); }
.reg-section:last-child { border-bottom: none; }
.reg-section > label { display: block; color: #a0a0a0; font-size: 12px; margin-bottom: 8px; }

.reg-mode-group, .reg-theme-group {
  display: flex; gap: 8px; flex-wrap: wrap;
}

.reg-mode-btn, .reg-theme-btn {
  flex: 1; min-width: 100px; padding: 10px 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px; color: #ccc; cursor: pointer;
  font-size: 13px; text-align: center;
  transition: border-color .2s, background .2s;
}
.reg-mode-btn.active, .reg-theme-btn.active {
  border-color: #8b5cf6;
  background: rgba(139,92,246,.15);
  color: #e8e8e8;
}

.reg-mode-btn:hover, .reg-theme-btn:hover { border-color: rgba(255,255,255,.3); }

/* Colors */
.reg-colors { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.reg-color-item { display: flex; align-items: center; gap: 8px; }
.reg-color-label { font-size: 12px; color: #a0a0a0; min-width: 44px; }

/* Person row: nickname + color swatch on same line */
.reg-person-row {
  display: flex; align-items: center; gap: 10px; margin-bottom: 10px;
}
.reg-person-item { flex: 1; }
.reg-person-item label { display: block; color: #a0a0a0; font-size: 12px; margin-bottom: 4px; }
.reg-person-item input {
  width: 100%; padding: 10px 12px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px; color: #e8e8e8; font-size: 14px; outline: none;
}
.reg-person-item input:focus { border-color: rgba(255,255,255,.35); }
.reg-person-color { display: flex; align-items: center; gap: 6px; padding-top: 18px; }
.color-swatch {
  width: 32px; height: 32px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.2);
  cursor: pointer; flex-shrink: 0;
  transition: transform .15s;
}
.color-swatch:hover { transform: scale(1.15); }
.color-hex-input {
  width: 80px; padding: 4px 6px; font-size: 12px; font-family: monospace;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 6px; color: #ccc;
}

/* Color picker popup */
.color-picker-popup {
  position: fixed; z-index: 10001;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: rgba(30,30,30,.98);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 16px; padding: 20px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,.6);
}
.color-picker-popup.hidden { display: none; }
.color-picker-close {
  padding: 6px 24px; background: #6366f1; color: #fff;
  border: none; border-radius: 8px; cursor: pointer; font-size: 14px;
}

/* ─── Registration Actions ─── */
.reg-actions { display: flex; flex-direction: column; gap: 8px; align-items: center; }
.reg-hint { color: #888; font-size: 11px; margin: 2px 0 0; }
.reg-hint a { color: #8b5cf6; }
.field-hint { display: block; font-size: 11px; margin-top: 2px; min-height: 14px; color: #888; transition: color .2s; }
.field-hint.error { color: #f85149; }
.field-hint.ok { color: #3fb950; }

/* ─── Map Level Toggle ─── */
.map-level-toggle {
  position: fixed; left: 50%; top: 66px; transform: translateX(-50%);
  display: flex; gap: 0;
  background: rgba(0,0,0,.45);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px; overflow: hidden;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  z-index: 100;
}
.map-level-btn {
  padding: 6px 16px; border: none;
  background: transparent; color: #aaa;
  font-size: 13px; cursor: pointer; font-weight: 500;
  transition: background .2s, color .2s;
}
.map-level-btn.active {
  background: rgba(255,255,255,.15);
  color: #fff;
}
.map-level-btn:hover:not(.active) { background: rgba(255,255,255,.06); }

.map-scope-hint {
  position: fixed;
  left: 50%;
  top: 108px;
  transform: translateX(-50%);
  display: none;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: rgba(0,0,0,.52);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 10px;
  color: #d6deea;
  font-size: 12px;
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.map-scope-hint.active {
  display: flex;
}
.map-scope-hint .pill {
  padding: 4px 10px;
  font-size: 11px;
}

/* ─── Profile Section in Settings Modal ─── */
.profile-section { margin-top: 16px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.1); }
.profile-section .settings-section-title { margin-top: 0; }

.profile-colors { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 8px 0; }
.profile-color-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #aaa; }

.profile-themes { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.profile-theme-btn {
  padding: 6px 12px; border-radius: 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: #ccc; cursor: pointer; font-size: 12px;
}
.profile-theme-btn.active {
  border-color: #8b5cf6;
  background: rgba(139,92,246,.15);
}

/* ─── Mobile Adjustments ─── */
@media (max-width: 768px) {
  .auth-card { padding: 24px 20px; }
  .reg-colors { grid-template-columns: 1fr; }
  .map-level-toggle { top: 58px; }
  .map-level-btn { padding: 5px 12px; font-size: 12px; }
  .map-scope-hint { top: 94px; max-width: calc(100vw - 16px); }
  .color-picker-popup { padding: 14px; }
}