/* ============================================================
   DevConnect — Auth Pages (Login / Register / Forgot Password)
   ============================================================ */

/* ── Background canvas ─────────────────────────────────── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}

/* ── Auth layout ───────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.auth-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

/* ── Brand ─────────────────────────────────────────────── */
.auth-brand {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}

.brand-logo {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 32px rgba(34,211,238,.3);
  margin-bottom: .25rem;
}

.logo-icon {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: #000;
  letter-spacing: -.05em;
}

.brand-name {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.02em;
}

.brand-tagline {
  font-size: .875rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

/* ── Auth card ─────────────────────────────────────────── */
.auth-card {
  width: 100%;
  background: rgba(20,28,46,.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--r-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.05);
}

.auth-card-header {
  margin-bottom: 1.75rem;
}
.auth-card-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .3rem;
}
.auth-card-header p {
  font-size: .9rem;
  color: var(--text-muted);
}

/* ── Auth form ─────────────────────────────────────────── */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

/* Two-column grid for register page */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ── Password strength ─────────────────────────────────── */
.password-strength {
  margin-top: .5rem;
}
.strength-bar {
  display: flex; gap: 3px; margin-bottom: .35rem;
}
.strength-segment {
  flex: 1; height: 3px;
  background: var(--border);
  border-radius: 2px;
  transition: background .3s var(--ease);
}
.strength-label {
  font-size: .75rem;
  color: var(--text-muted);
}
/* Strength colors */
.strength-1 .strength-segment:nth-child(1) { background: var(--color-error); }
.strength-2 .strength-segment:nth-child(-n+2) { background: var(--color-warning); }
.strength-3 .strength-segment:nth-child(-n+3) { background: var(--color-warning); }
.strength-4 .strength-segment { background: var(--color-accent); }

/* ── Divider ───────────────────────────────────────────── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 1.25rem 0 .75rem;
  color: var(--text-muted);
  font-size: .875rem;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Alert container ───────────────────────────────────── */
.alert-container { margin-bottom: 1rem; }

/* ── Auth footer ───────────────────────────────────────── */
.auth-footer {
  font-size: .8rem;
  color: var(--text-muted);
  text-align: center;
}
.auth-footer a { color: var(--text-muted); text-decoration: underline; }
.auth-footer a:hover { color: var(--text-secondary); }

/* ── Steps indicator (register) ────────────────────────── */
.steps {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1.5rem;
}
.step {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  transition: background .4s var(--ease);
}
.step.done { background: var(--color-primary); }

/* ── Verification code ─────────────────────────────────── */
.code-inputs {
  display: flex;
  gap: .35rem;
  justify-content: center;
  margin: 1rem 0;
  flex-wrap: nowrap;
}
.code-input {
  width: 40px; height: 48px;
  min-width: 0;
  text-align: center;
  font-size: 1.25rem;
  font-family: var(--font-mono);
  font-weight: 600;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
  caret-color: var(--color-primary);
}
.code-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(34,211,238,.12);
}

/* ── Resend ────────────────────────────────────────────── */
.resend-row {
  text-align: center;
  font-size: .875rem;
  color: var(--text-muted);
  margin-top: .5rem;
}
.resend-btn {
  color: var(--color-primary);
  cursor: pointer;
  font-size: .875rem;
  transition: color var(--transition);
}
.resend-btn:hover { color: var(--color-primary-d); }
.resend-btn:disabled { opacity: .4; pointer-events: none; color: var(--text-muted); }

/* ── Btn loader ────────────────────────────────────────── */
.btn-loader { display: flex; align-items: center; justify-content: center; }

/* ── Back link ─────────────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--text-muted);
  font-size: .875rem;
  transition: color var(--transition);
  margin-bottom: .5rem;
}
.back-link:hover { color: var(--text-primary); }

/* ── Checkbox ──────────────────────────────────────────── */
.checkbox-wrapper {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  cursor: pointer;
}
.checkbox-wrapper input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
  margin-top: .15rem;
  flex-shrink: 0;
}
.checkbox-label {
  font-size: .875rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.checkbox-label a { color: var(--color-primary); }

/* ── Username availability ─────────────────────────────── */
.input-status {
  position: absolute;
  right: .875rem;
  display: flex;
  align-items: center;
  color: var(--text-muted);
}
.input-status.available { color: var(--color-accent); }
.input-status.taken     { color: var(--color-error); }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 480px) {
  .auth-card { padding: 1.5rem 1.25rem; }
  .form-row  { grid-template-columns: 1fr; }
  .code-input { width: 32px; height: 42px; font-size: 1rem; }
  .code-inputs { gap: .25rem; }
}