.shell { min-height: 100vh; }
.loading { padding: 40px; color: var(--text-dim); text-align: center; }

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; margin: 8vh auto 24px;
}
.card.narrow { max-width: 400px; width: calc(100% - 32px); }
.card h1 { margin: 0 0 6px; font-size: 22px; }
.card p { line-height: 1.5; }
.card form { display: flex; flex-direction: column; gap: 14px; margin: 18px 0; }
.card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }
.card input {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 10px 12px; font-size: 15px;
}
.card input:focus { outline: 2px solid var(--accent); outline-offset: 0; }
button.primary {
  background: var(--accent); color: #041222; border: 0; border-radius: 8px;
  padding: 11px 14px; font-size: 15px; font-weight: 600; cursor: pointer;
}
button.primary:disabled { opacity: .6; cursor: wait; }
.dim { color: var(--text-dim); }
.small { font-size: 13px; }
.error { color: var(--danger); margin: 0; font-size: 14px; }
.steps { padding-left: 20px; line-height: 1.6; }
#mfa-qr { display: block; width: 180px; height: 180px; margin: 8px auto; background: #fff; border-radius: 8px; padding: 8px; }
code { background: var(--panel-2); padding: 2px 6px; border-radius: 4px; word-break: break-all; }

.devnote { background: rgba(242,177,52,.12); border: 1px solid var(--warn); border-radius: 8px; padding: 8px 12px; font-size: 13px; }
.dev-users { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.dev-users button {
  text-align: left; background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: 8px; cursor: pointer; font-size: 14px;
}
.dev-users button:hover { border-color: var(--accent); }

.home-top {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 14px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; }
.home { max-width: 960px; margin: 0 auto; padding: 36px 16px; }
.home h1 { font-size: 24px; font-weight: 650; letter-spacing: -.01em; margin: 0 0 6px; }
.home h1 + .tiles { margin-top: 24px; }

/* Module tiles: accent-tinted icon badge, clear title, arrow that nudges on hover. */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.tile {
  position: relative; display: flex; align-items: center; gap: 16px;
  text-decoration: none; color: var(--text);
  background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,0)) , var(--panel);
  border: 1px solid var(--border); border-radius: 14px; padding: 18px 18px 18px 18px;
  transition: border-color .18s, transform .18s, box-shadow .18s, background-color .18s;
}
.tile::before { /* thin accent line on the left edge */
  content: ''; position: absolute; left: -1px; top: 16px; bottom: 16px; width: 3px;
  border-radius: 0 3px 3px 0; background: var(--accent); opacity: .85;
}
.tile:hover, .tile:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  transform: translateY(-2px);
  box-shadow: 0 10px 28px -12px color-mix(in srgb, var(--accent) 45%, transparent);
  outline: none;
}
.tile-icon {
  flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 13px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}
.tile-icon svg { width: 26px; height: 26px; }
.tile-text { flex: 1; min-width: 0; }
.tile h2 { font-size: 16px; font-weight: 650; margin: 0 0 3px; letter-spacing: -.005em; }
.tile p { margin: 0; color: var(--text-dim); font-size: 13px; line-height: 1.45; }
.tile-go {
  flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  color: var(--text-dim); background: var(--panel-2); transition: transform .18s, color .18s, background-color .18s;
}
.tile-go svg { width: 16px; height: 16px; }
.tile:hover .tile-go { color: #0b1117; background: var(--accent); transform: translateX(3px); }
@media (prefers-reduced-motion: reduce) { .tile, .tile-go { transition: none; } .tile:hover { transform: none; } }
@media (max-width: 480px) { .home-top { padding: 12px 16px; } .card { padding: 20px; } }