/* ============================================================
   LOGIN PAGE — login.css
   Premium login shell with glass card and theme-aware accents.
   ============================================================ */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}

.login-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.login-bg .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(85px);
  opacity: 0.38;
  animation: float 9s ease-in-out infinite;
}

.login-bg .blob-1 {
  width: 420px;
  height: 420px;
  background: var(--accent-blue);
  top: -110px;
  left: -90px;
}

.login-bg .blob-2 {
  width: 360px;
  height: 360px;
  background: var(--accent-purple);
  bottom: -90px;
  right: -70px;
  animation-delay: -2s;
}

.login-bg .blob-3 {
  width: 280px;
  height: 280px;
  background: var(--accent-cyan);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -4s;
  opacity: 0.2;
}

.login-bg .grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 58px 58px;
}

.login-card {
  position: relative;
  z-index: 1;
  width: min(100%, 440px);
  padding: var(--space-12) var(--space-8);
  background: var(--bg-glass);
  backdrop-filter: blur(var(--glass-blur-heavy));
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  text-align: center;
  animation: scalePop 0.55s ease forwards;
  box-shadow: var(--shadow-lg);
}

.login-card .top-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-5);
}

.login-card .logo-container { margin-bottom: var(--space-8); }
.login-card .logo-icon-large {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: var(--shadow-glow-blue);
}

.login-card .app-name {
  font-size: var(--font-2xl);
  font-weight: var(--weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.login-card .app-tagline {
  font-size: var(--font-sm);
  color: var(--text-tertiary);
  max-width: 280px;
  margin: 0 auto;
}

.google-btn {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-base);
  font-weight: var(--weight-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  cursor: pointer;
  transition: all var(--transition-base);
}

.google-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--glass-border-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.google-btn:active { transform: translateY(0); }
.google-btn .google-icon { width: 20px; height: 20px; }

.login-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
  color: var(--text-tertiary);
  font-size: var(--font-xs);
}

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

.email-auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.email-auth-form input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: var(--font-sm);
}

.email-auth-form input:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 3px var(--accent-blue-glow); }

.auth-actions { display: flex; gap: var(--space-3); }
.auth-actions button { flex: 1; }
.auth-message { margin: 0; font-size: var(--font-sm); color: var(--text-secondary); }

.login-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.login-feature-tag {
  padding: var(--space-1) var(--space-3);
  background: rgba(139,92,246,0.08);
  border: 1px solid rgba(139,92,246,0.14);
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  color: var(--text-secondary);
}

.login-loading {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.login-loading.active { display: flex; }
.login-loading .loading-spinner { width: 32px; height: 32px; }
.login-loading .loading-text { font-size: var(--font-sm); color: var(--text-tertiary); }

@media (max-width: 480px) {
  .login-card { margin: var(--space-4); padding: var(--space-8) var(--space-6); }
  .login-bg .blob-1 { width: 250px; height: 250px; }
  .login-bg .blob-2 { width: 200px; height: 200px; }
}