:root {
  --bg: var(--arbat-bg, #09090b);
  --bg-elevated: var(--arbat-bg-elevated, #12121a);
  --bg-inset: var(--arbat-bg-inset, #0c0c12);
  --text: var(--arbat-text, #fafafa);
  --muted: var(--arbat-muted, #a1a1aa);
  --border: var(--arbat-border, #2a2a3a);
  --accent: var(--arbat-accent, #6366f1);
  --accent-dim: var(--arbat-accent-dim, rgba(99, 102, 241, 0.18));
  --danger: var(--arbat-danger, #ef4444);
  --radius-lg: var(--arbat-radius-lg, 20px);
  --radius-sm: var(--arbat-radius-sm, 12px);
  --shadow: var(--arbat-shadow, 0 18px 50px rgba(0, 0, 0, 0.35));
}

* {
  box-sizing: border-box;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

*::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

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

body {
  display: grid;
  place-items: center;
  padding: 24px;
  position: relative;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 50% -15%, rgba(99, 102, 241, 0.14), transparent 65%),
    radial-gradient(ellipse 50% 40% at 100% 100%, rgba(139, 92, 246, 0.08), transparent 55%);
  z-index: 0;
}

.hidden { display: none !important; }

.boot,
.view {
  position: relative;
  z-index: 1;
}

.boot {
  text-align: center;
  color: var(--muted);
}

.logo-mark {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  border-radius: 16px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.25);
}

.view { width: 100%; max-width: 480px; }

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.card.wide { max-width: 520px; }

h1 {
  margin: 0 0 4px;
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.tagline, .muted {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.45;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 3px;
  margin-bottom: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.tab, .btn {
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
}

.tab {
  background: transparent;
  color: var(--muted);
  transition: background .15s, color .15s;
}

.tab.active {
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

label {
  display: block;
  margin-bottom: 12px;
}

label span {
  display: block;
  margin-bottom: 6px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--muted);
}

label em {
  color: var(--muted);
  font-style: normal;
  font-size: .8rem;
  font-weight: 400;
}

input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: var(--bg-inset);
  color: var(--text);
  font-size: 1rem;
  transition: border-color .15s, box-shadow .15s;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.pwd-wrap {
  position: relative;
  display: block;
}

.pwd-wrap input {
  padding-right: 5.5rem;
}

.pwd-toggle {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: .75rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--bg-elevated);
  cursor: pointer;
}

.pwd-toggle[aria-pressed="true"] {
  color: var(--accent);
}

.btn.primary {
  width: 100%;
  background: var(--accent);
  color: #fff;
  margin-top: 4px;
}

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

.btn.danger-btn {
  width: 100%;
  background: rgba(239, 68, 68, .12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, .35);
}

.error {
  color: #f87171;
  font-size: .9rem;
  margin-top: 10px;
}

.error.ok {
  color: #86efac;
}

.section {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 600;
}

.section.danger h2 { color: #fca5a5; }

.profile-head {
  display: flex;
  gap: 14px;
  align-items: center;
}

.avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0;
  flex-shrink: 0;
}

.apps {
  display: grid;
  gap: 10px;
}

.app-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  background: var(--bg-inset);
  transition: border-color .15s, background .15s;
}

.app-link:hover {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.06);
}

.app-link-body {
  min-width: 0;
}

.app-link strong {
  display: block;
  margin-bottom: 2px;
  font-size: .98rem;
}

.app-link span {
  color: var(--muted);
  font-size: .85rem;
}

.app-link::after {
  content: "→";
  color: var(--muted);
  font-size: 1rem;
  flex-shrink: 0;
}

.theme-pick {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  padding: 3px;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.theme-pick.compact { margin-top: 12px; margin-bottom: 0; }

.theme-btn {
  flex: 1;
  border: none;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  color: var(--muted);
}

.theme-btn.active {
  background: var(--bg-elevated);
  color: var(--text);
}

.app-link-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.app-link-icon.fittrack { background: linear-gradient(135deg, #6366f1, #818cf8); color: #fff; }
.app-link-icon.helio { background: linear-gradient(135deg, #f59e0b, #fbbf24); color: #111; font-size: 1.1rem; }
.app-link-icon.account { background: linear-gradient(135deg, #6366f1, #8b5cf6); color: #fff; }
.app-link-icon.default { background: var(--bg-elevated); color: var(--muted); border: 1px solid var(--border); }

.sessions {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.session-row {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-inset);
  font-size: 0.88rem;
}

.session-row.current { border-color: var(--accent); }

.session-row strong { font-size: 0.92rem; }

.session-meta {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.actions {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.hub-link { text-decoration: none; display: inline-flex; align-items: center; justify-content: center; }

.overview-grid {
  display: grid;
  gap: 10px;
}

.overview-card {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-inset);
}

.overview-card strong {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.overview-card p {
  margin: 0 0 4px;
  font-size: 0.95rem;
  font-weight: 600;
}

.overview-card span {
  color: var(--muted);
  font-size: 0.8rem;
}

.twofa-secret,
.twofa-backup {
  display: block;
  margin: 8px 0 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  word-break: break-all;
  white-space: pre-wrap;
}

.auth-recover-link {
  margin-top: 14px;
  text-align: center;
}

.auth-recover-link a {
  color: var(--accent);
  text-decoration: none;
}