/* FabSync Auth — login and signup pages. Matches board.css design tokens. */
:root {
  --bg-primary: #0d0f11;
  --bg-secondary: #14171c;
  --bg-card: #1a1e24;
  --fg-primary: #e8e9eb;
  --fg-secondary: #9ba1ab;
  --fg-muted: #5c6370;
  --accent: #e87a2e;
  --accent-glow: rgba(232, 122, 46, 0.15);
  --accent-dim: #b85d1f;
  --border: rgba(255, 255, 255, 0.06);
  --border-focus: rgba(232, 122, 46, 0.5);
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html { font-size: 16px; }

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Page layout ───────────────────────────────────────────────────────── */

.auth-page {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

/* Subtle grid pattern in the background */
.auth-bg-detail {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* ── Card ──────────────────────────────────────────────────────────────── */

.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* ── Brand ─────────────────────────────────────────────────────────────── */

.auth-brand {
  margin-bottom: 2rem;
  text-align: center;
}

.brand-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--fg-primary);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.brand-logo span { color: var(--accent); }

.brand-tagline {
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Title ─────────────────────────────────────────────────────────────── */

.auth-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  text-align: center;
  color: var(--fg-primary);
}

/* ── Error / Notice ────────────────────────────────────────────────────── */

.auth-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  color: #f87171;
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}

.auth-notice {
  background: var(--accent-glow);
  border: 1px solid rgba(232, 122, 46, 0.2);
  border-radius: var(--radius-sm);
  color: var(--fg-secondary);
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}

.auth-notice strong { color: var(--accent); }

/* ── Form ──────────────────────────────────────────────────────────────── */

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-field input,
.form-field select {
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.65rem 0.875rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}

.form-field input::placeholder {
  color: var(--fg-muted);
}

.form-field input:focus,
.form-field select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(232, 122, 46, 0.08);
}

.form-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235c6370' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.field-hint {
  font-size: 0.78rem;
  color: var(--fg-muted);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.field-hint-block {
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin-top: 0.1rem;
}

/* ── Submit button ─────────────────────────────────────────────────────── */

.auth-btn {
  margin-top: 0.25rem;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1rem;
  transition: background 0.15s, transform 0.1s;
  width: 100%;
}

.auth-btn:hover { background: var(--accent-dim); }
.auth-btn:active { transform: scale(0.99); }

/* ── Switch link ───────────────────────────────────────────────────────── */

.auth-switch {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--fg-muted);
  text-align: center;
}

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

.auth-switch a:hover { text-decoration: underline; }