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

.auth-body {
  background: var(--bg-void);
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

/* Left panel — branding */
.auth-brand {
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--s8);
  position: relative;
  overflow: hidden;
}
.auth-brand::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(57,255,138,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57,255,138,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.auth-brand-orb {
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(57,255,138,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.auth-brand-top {
  position: relative;
  z-index: 1;
}
.auth-brand-logo {
  display: flex;
  align-items: center;
  gap: var(--s2);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--s12);
}

.auth-tagline {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--s4);
}
.auth-tagline .accent { color: var(--green); }

.auth-brand-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 380px;
}

.auth-features {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
  margin-top: var(--s8);
}
.auth-feature {
  display: flex;
  align-items: center;
  gap: var(--s3);
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.auth-feature-icon {
  width: 24px;
  height: 24px;
  background: rgba(57,255,138,0.1);
  border: 1px solid rgba(57,255,138,0.2);
  border-radius: var(--r1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.auth-brand-stats {
  position: relative;
  z-index: 1;
  display: flex;
  gap: var(--s6);
}
.auth-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.auth-stat-num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--green);
}
.auth-stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Right panel — form */
.auth-form-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--s8);
  overflow-y: auto;
}

.auth-form-box {
  width: 100%;
  max-width: 420px;
}

.auth-form-header {
  margin-bottom: var(--s8);
}
.auth-form-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--s2);
}
.auth-form-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.auth-form-subtitle a {
  color: var(--green);
  font-weight: 500;
  transition: opacity var(--t-fast);
}
.auth-form-subtitle a:hover { opacity: 0.8; }

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--s5);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--s3);
  color: var(--text-muted);
  font-size: 0.78rem;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-submit {
  width: 100%;
  padding: var(--s4);
  font-size: 0.95rem;
  font-weight: 600;
  justify-content: center;
}

.password-wrapper {
  position: relative;
}
.password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  transition: color var(--t-fast);
  background: none;
  border: none;
}
.password-toggle:hover { color: var(--text-secondary); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s4);
}

.auth-terms {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}
.auth-terms a { color: var(--text-secondary); transition: color var(--t-fast); }
.auth-terms a:hover { color: var(--text-primary); }

.strength-bar {
  margin-top: var(--s2);
}
.strength-bar-track {
  height: 3px;
  background: var(--border);
  border-radius: var(--r-full);
  overflow: hidden;
}
.strength-bar-fill {
  height: 100%;
  border-radius: var(--r-full);
  transition: all var(--t-mid);
  width: 0%;
}
.strength-bar-fill.weak   { background: var(--red); width: 25%; }
.strength-bar-fill.fair   { background: var(--amber); width: 50%; }
.strength-bar-fill.good   { background: #86efac; width: 75%; }
.strength-bar-fill.strong { background: var(--green); width: 100%; }
.strength-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
}

@media (max-width: 900px) {
  .auth-body { grid-template-columns: 1fr; }
  .auth-brand { display: none; }
  .auth-form-panel { padding: var(--s6) var(--s4); }
}