/* ═══════════════════════════════════════════════════════════════════
   J.A.R.V.I.S. — Authentication Page Styles
   © 2026 Lenoci Giovanni & Simeone Lorenzo — All Rights Reserved
   ═══════════════════════════════════════════════════════════════════ */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--space-lg);
  background: var(--bg-primary);
}

/* ─── Background Effects ─── */
.auth-bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(var(--accent-primary-rgb), 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-primary-rgb), 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}

.auth-bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.15;
  z-index: 0;
  pointer-events: none;
}

.auth-bg-glow-1 {
  top: -200px;
  left: -200px;
  background: var(--accent-primary);
}

.auth-bg-glow-2 {
  bottom: -200px;
  right: -200px;
  background: var(--accent-secondary);
}

/* ─── Main Auth Container ─── */
.auth-container {
  position: relative;
  z-index: var(--z-base);
  width: 100%;
  max-width: 480px;
  animation: fadeInUp 0.8s ease forwards;
}

/* ─── Logo & Header ─── */
.auth-logo {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.auth-logo-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  position: relative;
}

.auth-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--accent-primary);
  box-shadow: var(--glow-intense);
  animation: glowPulse 3s ease-in-out infinite;
}

.auth-logo h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-xs);
}

.auth-logo .auth-subtitle {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* ─── Auth Card ─── */
.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), var(--accent-secondary), transparent);
}

.auth-card::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 1px;
  background: var(--accent-primary);
  box-shadow: 0 0 20px var(--accent-primary);
  opacity: 0.5;
}

/* ─── Tab Switcher ─── */
.auth-tabs {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  background: var(--bg-input);
  border-radius: var(--radius-md);
  padding: 4px;
}

.auth-tab {
  flex: 1;
  padding: 12px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  background: transparent;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  text-align: center;
}

.auth-tab.active {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: var(--glow-primary);
}

.auth-tab:not(.active):hover {
  color: var(--text-primary);
  background: rgba(var(--accent-primary-rgb), 0.08);
}

/* ─── Forms ─── */
.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
  animation: fadeIn 0.3s ease forwards;
}

.auth-form .input-group {
  margin-bottom: var(--space-lg);
}

.auth-form .input-field {
  padding: 14px 18px 14px 48px;
}

.auth-form .input-group .input-icon-left {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
  transition: color var(--transition-base);
  display: flex;
  align-items: center;
}

.auth-form .input-group:has(.input-field:focus) .input-icon-left {
  color: var(--accent-primary);
}

.auth-form .input-group label {
  margin-bottom: var(--space-sm);
}

.password-toggle {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: color var(--transition-fast);
}

.password-toggle:hover {
  color: var(--accent-primary);
}

/* ─── Password Strength Bar ─── */
.password-strength {
  margin-top: var(--space-sm);
  display: none;
}

.password-strength.visible {
  display: block;
}

.strength-bar {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-xs);
}

.strength-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-base), background var(--transition-base);
  width: 0;
}

.strength-fill.weak {
  width: 33%;
  background: var(--accent-danger);
}

.strength-fill.medium {
  width: 66%;
  background: var(--accent-warning);
}

.strength-fill.strong {
  width: 100%;
  background: var(--accent-success);
}

.strength-text {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-display);
}

/* ─── Auth Buttons ─── */
.auth-submit {
  width: 100%;
  padding: 16px;
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  position: relative;
}

.auth-submit .btn-text {
  transition: opacity var(--transition-fast);
}

.auth-submit.loading .btn-text {
  opacity: 0;
}

.auth-submit .btn-spinner {
  position: absolute;
  display: none;
}

.auth-submit.loading .btn-spinner {
  display: block;
}

/* ─── Divider ─── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-primary));
}

.auth-divider::after {
  background: linear-gradient(90deg, var(--border-primary), transparent);
}

.auth-divider span {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* ─── Google Sign-In Button ─── */
.btn-google {
  width: 100%;
  padding: 14px;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-google:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-primary);
  box-shadow: var(--glow-primary);
  transform: translateY(-1px);
}

.btn-google svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ─── Remember Me + Forgot Password Row ─── */
.auth-options-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: calc(-1 * var(--space-sm));
  margin-bottom: var(--space-md);
}

.remember-me {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  user-select: none;
  position: relative;
}

.remember-me input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.remember-me-checkmark {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-secondary);
  background: var(--bg-input);
  position: relative;
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.remember-me-checkmark::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  opacity: 0;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.remember-me input[type="checkbox"]:checked ~ .remember-me-checkmark {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(var(--accent-primary-rgb), 0.4);
}

.remember-me input[type="checkbox"]:checked ~ .remember-me-checkmark::after {
  transform: rotate(45deg) scale(1);
  opacity: 1;
}

.remember-me:hover .remember-me-checkmark {
  border-color: var(--accent-primary);
}

.remember-me-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.remember-me:hover .remember-me-text {
  color: var(--text-primary);
}

.forgot-link {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.forgot-link:hover {
  color: var(--accent-primary);
}

/* ─── Terms ─── */
.auth-terms {
  margin-top: var(--space-lg);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  line-height: 1.6;
}

.auth-terms a {
  color: var(--accent-primary);
}

/* ─── Footer ─── */
.auth-footer {
  text-align: center;
  margin-top: var(--space-xl);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-family: var(--font-display);
  letter-spacing: 1px;
}

.auth-footer .copyright {
  opacity: 0.6;
}

/* ─── Scan Line Effect ─── */
.auth-card .scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-primary-rgb), 0.15), transparent);
  animation: scanLine 6s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

/* ─── Error Message ─── */
.auth-error {
  background: rgba(var(--accent-danger-rgb), 0.08);
  border: 1px solid rgba(var(--accent-danger-rgb), 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  color: var(--accent-danger);
  font-size: var(--text-sm);
  display: none;
  animation: fadeIn 0.3s ease;
}

.auth-error.visible {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ─── Responsive ─── */
@media (max-width: 480px) {
  .auth-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
  }

  .auth-logo-icon {
    width: 64px;
    height: 64px;
  }

  .auth-logo h1 {
    font-size: var(--text-2xl);
  }
}

/* ═══════════════════════════════════════════
   LIGHT THEME ADJUSTMENTS — AUTH
   ═══════════════════════════════════════════ */
[data-theme="light"] .auth-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 119, 204, 0.22);
  box-shadow: 0 16px 40px rgba(0, 40, 100, 0.08);
}

[data-theme="light"] .auth-tabs {
  background: #eef2f8;
  border: 1px solid rgba(0, 119, 204, 0.12);
}

[data-theme="light"] .auth-tab:not(.active) {
  color: #475569;
}

[data-theme="light"] .btn-google {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.16);
  color: #091224;
}

[data-theme="light"] .btn-google:hover {
  background: #f8fafc;
  border-color: #0077cc;
}

[data-theme="light"] .remember-me-checkmark {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.2);
}

[data-theme="light"] .auth-bg-grid {
  background-image:
    linear-gradient(rgba(0, 119, 204, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 119, 204, 0.04) 1px, transparent 1px);
}