@import url("https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&display=swap");

:root {
  --fenrir-bg: #0a0a0b;
  --fenrir-surface: #121214;
  --fenrir-surface-elevated: #1a1a1e;
  --fenrir-surface-hover: #222228;
  --fenrir-surface-inset: #0e0e10;
  --fenrir-border: rgba(192, 197, 206, 0.14);
  --fenrir-border-strong: rgba(192, 197, 206, 0.28);
  --fenrir-metal: #c0c5ce;
  --fenrir-metal-bright: #e8eaef;
  --fenrir-text: #f4f5f7;
  --fenrir-text-muted: rgba(232, 234, 239, 0.62);
  --fenrir-text-subtle: rgba(232, 234, 239, 0.42);
  --fenrir-red: #e10600;
  --fenrir-red-soft: rgba(225, 6, 0, 0.14);
  --fenrir-font: "Sora", "Segoe UI", system-ui, -apple-system, sans-serif;
  --fenrir-radius-sm: 6px;
  --fenrir-radius-md: 10px;
  --fenrir-space-sm: 8px;
  --fenrir-space-md: 16px;
  --fenrir-space-lg: 24px;
  --fenrir-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --fenrir-duration: 180ms;
}

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

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(225, 6, 0, 0.08), transparent 55%),
    var(--fenrir-bg);
  color: var(--fenrir-text);
  font-family: var(--fenrir-font);
  font-size: 0.9375rem;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

body { padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }

.shell {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: var(--fenrir-space-md);
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
}

.brand-bar {
  width: 28px;
  height: 2px;
  background: var(--fenrir-red);
  margin-bottom: var(--fenrir-space-sm);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--fenrir-space-md);
  margin-bottom: var(--fenrir-space-lg);
}

.topbar__brand {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
}

.topbar__meta {
  color: var(--fenrir-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hidden { display: none !important; }

.view { animation: fadeIn var(--fenrir-duration) var(--fenrir-ease); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

h1 {
  margin: 0 0 var(--fenrir-space-sm);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 var(--fenrir-space-md);
  font-size: 1.125rem;
  font-weight: 700;
}

.lead {
  margin: 0 0 var(--fenrir-space-lg);
  color: var(--fenrir-text-muted);
}

.nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--fenrir-space-sm);
}

.nav-tile {
  appearance: none;
  text-align: left;
  border: 1px solid var(--fenrir-border);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent), var(--fenrir-surface);
  color: var(--fenrir-text);
  border-radius: var(--fenrir-radius-md);
  padding: var(--fenrir-space-md);
  min-height: 88px;
  cursor: pointer;
  transition: border-color var(--fenrir-duration) var(--fenrir-ease), background var(--fenrir-duration) var(--fenrir-ease);
}

.nav-tile:hover,
.nav-tile:focus-visible {
  border-color: rgba(225, 6, 0, 0.42);
  outline: none;
}

.nav-tile__icon {
  display: block;
  margin-bottom: 6px;
  font-size: 1.1rem;
}

.nav-tile__label {
  font-weight: 700;
  font-size: 0.9rem;
}

.panel {
  border: 1px solid var(--fenrir-border);
  background: var(--fenrir-surface);
  border-radius: var(--fenrir-radius-md);
  padding: var(--fenrir-space-md);
  margin-bottom: var(--fenrir-space-md);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04), 0 8px 22px rgba(0,0,0,0.42);
}

.panel--hero::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  background: var(--fenrir-red);
  margin-bottom: var(--fenrir-space-sm);
}

.field-group {
  border: 0;
  margin: 0 0 var(--fenrir-space-lg);
  padding: 0;
  min-inline-size: 0;
}

.field-group__title {
  padding: 0;
  margin: 0 0 var(--fenrir-space-sm);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fenrir-text);
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: var(--fenrir-space-md);
}

.field label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fenrir-metal-bright);
}

.field input,
.field select {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.25);
  color: var(--fenrir-text);
  border-radius: 0.5rem;
  padding: 0.7rem 0.75rem;
  font: inherit;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: rgba(225, 6, 0, 0.55);
  box-shadow: 0 0 0 2px rgba(225, 6, 0, 0.35);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: var(--fenrir-space-md);
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--fenrir-border);
  color: var(--fenrir-text-muted);
  font-size: 0.875rem;
}

.meta-row:last-child { border-bottom: 0; }
.meta-row strong { color: var(--fenrir-text); font-weight: 600; }

.avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--fenrir-surface-elevated);
  border: 1px dashed var(--fenrir-border-strong);
  display: grid;
  place-items: center;
  color: var(--fenrir-text-subtle);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--fenrir-space-md);
}

/* Fenrir button system — compact, dark, red as accent (not a solid CTA fill). */
.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 40px;
  padding: 0.55rem 0.95rem;
  border: 1px solid transparent;
  border-radius: var(--fenrir-radius-sm);
  background: var(--fenrir-surface-elevated);
  color: var(--fenrir-text);
  font: inherit;
  font-weight: 650;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background-color var(--fenrir-duration) var(--fenrir-ease),
    border-color var(--fenrir-duration) var(--fenrir-ease),
    color var(--fenrir-duration) var(--fenrir-ease),
    transform var(--fenrir-duration) var(--fenrir-ease),
    opacity var(--fenrir-duration) var(--fenrir-ease);
}

.btn:active { transform: scale(0.985); }

.btn:focus-visible {
  outline: 2px solid var(--fenrir-red);
  outline-offset: 2px;
}

.btn:disabled,
.btn[aria-busy='true'] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn--primary {
  background: linear-gradient(180deg, #1c1c22 0%, #141418 100%);
  color: var(--fenrir-text);
  border-color: color-mix(in srgb, var(--fenrir-red) 72%, var(--fenrir-border-strong));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 0 0 1px rgba(225, 6, 0, 0.12);
}

.btn--primary:hover {
  background: linear-gradient(180deg, #24242c 0%, #1a1a20 100%);
  border-color: var(--fenrir-red);
  color: #fff;
}

.btn--primary:active {
  background: #121216;
  border-color: color-mix(in srgb, var(--fenrir-red) 55%, #3a3a42);
}

/* Save-control states (profile first; reusable on other Min Fenrir forms) */
.btn--saving {
  opacity: 0.78;
  cursor: wait;
}

.btn--primary.btn--saving:hover {
  background: linear-gradient(180deg, #1c1c22 0%, #141418 100%);
  border-color: color-mix(in srgb, var(--fenrir-red) 72%, var(--fenrir-border-strong));
}

.btn--success,
.btn--success:disabled {
  background: #1a2f24 !important;
  color: #86efac !important;
  border-color: color-mix(in srgb, #86efac 35%, #2a3d32) !important;
  box-shadow: none !important;
  opacity: 1;
  cursor: default;
}

.btn--primary.btn--success:hover {
  background: #1a2f24;
  border-color: color-mix(in srgb, #86efac 35%, #2a3d32);
}

.btn--error,
.btn--error:disabled {
  background: #2a1717 !important;
  color: #ffb4ae !important;
  border-color: color-mix(in srgb, var(--fenrir-red) 55%, #4a2a2a) !important;
  box-shadow: none !important;
  opacity: 1;
}

.btn--primary.btn--error:hover {
  background: #351c1c;
}

.btn--secondary {
  background: var(--fenrir-surface);
  color: var(--fenrir-metal-bright);
  border-color: var(--fenrir-border-strong);
}

.btn--secondary:hover {
  background: var(--fenrir-surface-hover);
  border-color: var(--fenrir-metal);
  color: var(--fenrir-text);
}

.btn--ghost {
  background: transparent;
  color: var(--fenrir-metal);
  border-color: transparent;
  min-height: 36px;
  padding: 0.4rem 0.65rem;
  font-weight: 600;
}

.btn--ghost:hover {
  color: var(--fenrir-text);
  background: rgba(255, 255, 255, 0.03);
}

.btn--danger {
  background: color-mix(in srgb, var(--fenrir-red) 12%, var(--fenrir-surface));
  color: #ffb4ae;
  border-color: color-mix(in srgb, var(--fenrir-red) 55%, var(--fenrir-border-strong));
}

.btn--danger:hover {
  background: color-mix(in srgb, var(--fenrir-red) 22%, var(--fenrir-surface));
  border-color: var(--fenrir-red);
  color: #fff;
}

.btn--block { width: 100%; }

.btn--ghost.btn--block {
  min-height: 40px;
  padding: 0.55rem 0.95rem;
}

.btn-row {
  display: grid;
  gap: var(--fenrir-space-sm);
  margin-top: var(--fenrir-space-md);
}

.btn-row--inline {
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  margin-top: var(--fenrir-space-sm);
}

.referral-panel .btn-row--inline .btn {
  min-height: 44px;
  padding: 0.75rem 1rem;
}

.device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--fenrir-space-md);
}

.device-item {
  padding-bottom: var(--fenrir-space-md);
  border-bottom: 1px solid var(--fenrir-border);
}

.device-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.device-rename {
  margin-top: var(--fenrir-space-sm);
}

.back {
  margin: 0 0 var(--fenrir-space-md);
}

.empty {
  color: var(--fenrir-text-muted);
  padding: var(--fenrir-space-md) 0;
}

.error {
  color: #ff7b72;
  margin: var(--fenrir-space-sm) 0 0;
  min-height: 1.2em;
}

.success {
  color: #86efac;
  margin: var(--fenrir-space-sm) 0 0;
}

.membership {
  margin-bottom: var(--fenrir-space-md);
}

.membership__status {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fenrir-metal-bright);
  margin-bottom: 4px;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--fenrir-border);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fenrir-text-muted);
}

.badge--active {
  color: #86efac;
  border-color: rgba(134, 239, 172, 0.35);
}

.referral-panel__title {
  margin: 0 0 var(--fenrir-space-sm);
  font-size: 1.05rem;
  font-weight: 700;
}

.referral-code {
  margin: var(--fenrir-space-md) 0;
  padding: 0.85rem 1rem;
  text-align: center;
  font-size: clamp(1.35rem, 4.5vw, 1.75rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fenrir-metal-bright);
  background: var(--fenrir-surface-inset);
  border: 1px solid var(--fenrir-border-strong);
  border-radius: var(--fenrir-radius-md);
  word-break: break-all;
}

.qr-frame {
  width: min(280px, 100%);
  aspect-ratio: 1;
  margin: var(--fenrir-space-md) auto;
  border: 1px solid var(--fenrir-border-strong);
  border-radius: var(--fenrir-radius-md);
  background: #fff;
  color: #111;
  display: grid;
  place-items: center;
  padding: 16px;
  text-align: center;
  font-size: 0.7rem;
  word-break: break-all;
  overflow: visible;
}

.qr-frame--invite {
  width: min(300px, calc(100vw - 3rem));
  max-width: 100%;
}

.qr-frame canvas,
.qr-frame img,
.qr-frame svg {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--fenrir-space-md);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--fenrir-border);
}

.toggle-row:last-child { border-bottom: 0; }

.auth-form { display: grid; gap: 0; }

.activity-group {
  margin-bottom: var(--fenrir-space-lg);
}

.activity-group__title {
  margin: 0 0 var(--fenrir-space-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fenrir-text-subtle);
}

.activity-item {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: var(--fenrir-space-sm);
  align-items: start;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--fenrir-border);
}

.activity-item:last-child { border-bottom: 0; }

.activity-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--fenrir-radius-sm);
  background: var(--fenrir-surface-elevated);
  border: 1px solid var(--fenrir-border);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.activity-item__title {
  margin: 0;
  font-weight: 700;
  font-size: 0.95rem;
}

.activity-item__desc {
  margin: 0.2rem 0 0;
  color: var(--fenrir-text-muted);
  font-size: 0.85rem;
}

.activity-item__time {
  text-align: right;
  color: var(--fenrir-text-subtle);
  font-size: 0.75rem;
  white-space: nowrap;
}

.activity-item__time strong {
  display: block;
  color: var(--fenrir-text-muted);
  font-weight: 600;
}

.activity-divider {
  height: 1px;
  background: var(--fenrir-border);
  margin: var(--fenrir-space-md) 0 var(--fenrir-space-lg);
}

@media (min-width: 640px) {
  .nav-grid { grid-template-columns: 1fr 1fr 1fr; }
}