/* Account surface — matches landing design system (near-black + blue accent). */
:root {
  --bg: #0A0C12;
  --surface: #141823;
  --border: rgba(255, 255, 255, 0.08);
  --text: #EAECEF;
  --muted: #99A2B2;
  --faint: #69728A;
  --accent: #4F8CFF;
  --accent-deep: #2E6BF0;
  --danger: #FF6B7A;
  --radius: 14px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; font-size: 1.55rem; }

a { color: inherit; text-decoration: none; }

.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.45;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
}
.bg-glow {
  position: fixed; top: -200px; left: 50%; transform: translateX(-50%);
  width: 720px; height: 520px; z-index: -1; pointer-events: none;
  background: radial-gradient(closest-side, rgba(79, 140, 255, 0.22), transparent 70%);
  filter: blur(6px);
}

.top {
  max-width: 440px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 0.55rem; font-weight: 600; font-family: var(--font-display); }
.brand-name { letter-spacing: -0.02em; }
.muted-link { color: var(--muted); font-size: 0.875rem; }
.muted-link:hover { color: var(--text); }

.shell {
  max-width: 440px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem 1.5rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.sub { color: var(--muted); margin: 0.35rem 0 1.35rem; font-size: 0.95rem; }

.oauth { display: grid; gap: 0.6rem; margin-bottom: 0.25rem; }
.oauth-btn {
  display: flex; align-items: center; justify-content: center; gap: 0.65rem;
  width: 100%;
  padding: 0.72rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease);
}
.oauth-btn:hover { border-color: rgba(255,255,255,0.22); background: rgba(255,255,255,0.06); }
.oauth-btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
  margin: 1.1rem 0 1rem;
  color: var(--faint);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.divider::before, .divider::after {
  content: "";
  height: 1px;
  background: var(--border);
}

.field { display: grid; gap: 0.35rem; margin-bottom: 0.85rem; }
.field span { font-size: 0.85rem; color: var(--muted); }
.field em { font-style: normal; color: var(--faint); }
.field input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  font: inherit;
  outline: none;
}
.field input:focus { border-color: rgba(79, 140, 255, 0.55); box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.15); }

.error {
  color: var(--danger);
  font-size: 0.9rem;
  margin: 0 0 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.78rem 1rem;
  border: 0;
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  color: #fff;
  box-shadow: 0 8px 24px rgba(46, 107, 240, 0.35);
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; filter: none; }

.switch { margin-top: 1rem; text-align: center; }
.linkish {
  background: none;
  border: 0;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
}
.linkish:hover { text-decoration: underline; }

.fineprint {
  margin-top: 1.25rem;
  text-align: center;
  color: var(--faint);
  font-size: 0.8rem;
  line-height: 1.45;
}

.prompt-preview {
  margin: 0 0 0.9rem;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(79, 140, 255, 0.08);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}
.prompt-preview strong { color: var(--text); font-weight: 600; display: block; margin-bottom: 0.25rem; }

.verify-copy {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 1rem;
  line-height: 1.45;
}
.verify-copy strong { color: var(--text); font-weight: 600; }
.resend {
  display: block;
  width: 100%;
  margin-top: 0.85rem;
  text-align: center;
}