/* ── Auth Page ── */
.auth-page {
  min-height: 100vh;
  display: flex;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

/* Animated background */
.auth-bg {
  position: fixed; inset: 0; z-index: 0;
  background: var(--bg);
}
.auth-bg::before {
  content: '';
  position: absolute; top: -30%; left: -20%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,229,160,0.08) 0%, transparent 65%);
  animation: bgFloat 8s ease-in-out infinite;
}
.auth-bg::after {
  content: '';
  position: absolute; bottom: -20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(123,97,255,0.08) 0%, transparent 65%);
  animation: bgFloat 10s ease-in-out infinite reverse;
}
@keyframes bgFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(40px,-40px) scale(1.05); }
}

.auth-panel {
  position: relative; z-index: 1;
  width: 100%; max-width: 460px;
  margin: auto;
  padding: 24px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 40px;
}
.auth-logo-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin: 0 auto 16px;
  box-shadow: 0 8px 32px rgba(0,229,160,0.3);
  animation: logoGlow 3s ease-in-out infinite;
}
@keyframes logoGlow {
  0%,100% { box-shadow: 0 8px 32px rgba(0,229,160,0.3); }
  50%      { box-shadow: 0 8px 48px rgba(0,229,160,0.5); }
}
.auth-logo-title {
  font-family: var(--font-head);
  font-size: 26px; font-weight: 700;
}
.auth-logo-title span { color: var(--primary); }
.auth-logo-sub { color: var(--text2); font-size: 14px; margin-top: 4px; }

.auth-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* Tabs */
.auth-tabs {
  display: flex;
  background: var(--bg3);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 28px;
}
.auth-tab {
  flex: 1; padding: 9px;
  text-align: center;
  font-size: 14px; font-weight: 600;
  border-radius: 8px;
  color: var(--text2);
  transition: all var(--transition);
  cursor: pointer;
  border: none; background: none;
}
.auth-tab.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--bg);
  box-shadow: 0 4px 16px rgba(0,229,160,0.3);
}

.auth-form { display: none; }
.auth-form.active { display: block; }

.auth-divider {
  text-align: center;
  position: relative;
  margin: 20px 0;
  color: var(--text3);
  font-size: 12px;
}
.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%; left: 0; right: 0;
  height: 1px; background: var(--border);
}
.auth-divider span {
  background: var(--bg2);
  padding: 0 12px;
  position: relative;
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--text2);
}
.auth-footer a { color: var(--primary); font-weight: 600; }

/* Password strength */
.pwd-strength { margin-top: 6px; display: flex; gap: 4px; height: 3px; }
.pwd-bar { flex: 1; border-radius: 2px; background: var(--border); transition: background 0.3s; }
.pwd-bar.weak   { background: var(--danger); }
.pwd-bar.medium { background: var(--warning); }
.pwd-bar.strong { background: var(--primary); }

/* Alert messages */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.alert-error   { background: rgba(255,77,109,0.1); border: 1px solid rgba(255,77,109,0.3); color: var(--danger); }
.alert-success { background: rgba(0,229,160,0.1); border: 1px solid rgba(0,229,160,0.3); color: var(--primary); }
.alert-info    { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: var(--info); }

/* Input with icon */
.input-group { position: relative; }
.input-group .form-control { padding-left: 42px; }
.input-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  font-size: 16px; color: var(--text3); pointer-events: none;
}
.input-group .toggle-pwd {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  background: none; font-size: 16px; color: var(--text3);
  cursor: pointer; transition: color var(--transition);
}
.input-group .toggle-pwd:hover { color: var(--text); }

@media (max-width: 480px) {
  .auth-card { padding: 24px; }
  .auth-panel { padding: 16px; }
}