/* ═══════════════════════════════════════════════════════════
   Auth Pages — Premium v6
   ═══════════════════════════════════════════════════════════ */

.auth-body {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-xl) var(--sp-md);
  position: relative;
  overflow: hidden;
}

.auth-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.auth-orb-1 {
  top: -20vh;
  left: -10vw;
  width: 60vw;
  height: 60vw;
  background: rgba(124,92,191,0.2);
  animation: orbFloat 18s ease-in-out infinite;
}

.auth-orb-2 {
  bottom: -15vh;
  right: -10vw;
  width: 50vw;
  height: 50vw;
  background: rgba(245,185,66,0.12);
  animation: orbFloat 22s ease-in-out infinite reverse;
}

@keyframes orbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(3vw,3vh) scale(1.05); }
}

.auth-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border: 1px solid var(--glass-border-2);
  border-radius: var(--r-2xl);
  padding: var(--sp-2xl) var(--sp-xl);
  box-shadow: var(--shadow-xl),
              0 0 0 1px rgba(255,255,255,0.03) inset;
  animation: authCardIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes authCardIn {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-xl);
  text-align: center;
}

.auth-logo-icon {
  font-size: 3.5rem;
  animation: chessBounce 2s ease-in-out infinite;
}

@keyframes chessBounce {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-6px); }
}

.auth-logo-title {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 900;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

.auth-logo-sub {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.auth-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--sp-xs);
  letter-spacing: -0.02em;
}

.auth-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--sp-xl);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  margin: var(--sp-lg) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--glass-border);
}

.auth-divider span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.auth-footer {
  text-align: center;
  margin-top: var(--sp-lg);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-footer a {
  font-weight: 600;
  color: var(--gold);
}

.auth-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  padding: var(--sp-md);
  border-radius: var(--r-lg);
  font-size: 0.875rem;
  margin-bottom: var(--sp-md);
  animation: alertIn 0.3s ease-out;
}

@keyframes alertIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.auth-alert.success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(0,212,170,0.2); }
.auth-alert.danger  { background: var(--danger-bg);  color: var(--danger);  border: 1px solid rgba(255,77,109,0.2); }

/* Password toggle */
.input-group {
  position: relative;
}

.input-group .form-input {
  padding-right: 48px;
}

.input-eye {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
  transition: color var(--t-fast);
}

.input-eye:hover { color: var(--text-secondary); }