/* ============================================================
   MATH QUIZ APP - AUTH STYLES
   ============================================================
   Styles for login, register, and forgot password pages
   ============================================================ */

/* ------------------------------------------------------------
   1. AUTH PAGE LAYOUT
   ------------------------------------------------------------ */
.auth-page {
  background: linear-gradient(135deg, #e8f0fe 0%, #c5dcff 50%, #e6f4ea 100%);
  min-height: 100vh;
}

.auth-container {
  padding: 2rem 0;
}

/* ------------------------------------------------------------
   2. AUTH ICON
   ------------------------------------------------------------ */
.auth-icon {
  width: 72px;
  height: 72px;
  background: var(--color-primary-light);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-icon i {
  font-size: 2.25rem;
  color: var(--color-primary);
}

/* ------------------------------------------------------------
   3. INPUT GROUP ENHANCEMENT
   ------------------------------------------------------------ */
.input-group-text {
  border-right: none;
  color: var(--color-primary);
}

.input-group .form-control {
  border-left: none;
}

.input-group .form-control:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(11, 94, 215, 0.1);
}

.input-group .form-control:focus + .input-group-text,
.input-group:focus-within .input-group-text {
  border-color: var(--color-primary-light);
}

.input-group .toggle-password {
  border-left: none;
  background: white;
}

.input-group .toggle-password:hover {
  background: var(--color-gray-50);
}

/* ------------------------------------------------------------
   4. PROGRESS STEPS (REGISTER)
   ------------------------------------------------------------ */
.steps-progress {
  padding: 0 1rem;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  background: var(--color-gray-200);
  color: var(--color-gray-500);
  transition: all 0.3s ease;
}

.step.active .step-number {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 0 0 6px rgba(11, 94, 215, 0.15);
}

.step.completed .step-number {
  background: var(--color-success);
  color: white;
}

.step.completed .step-number i {
  font-size: 1.1rem;
}

.step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-gray-500);
  text-align: center;
}

.step.active .step-label {
  color: var(--color-primary);
}

.step.completed .step-label {
  color: var(--color-success);
}

.step-connector {
  width: 60px;
  height: 3px;
  background: var(--color-gray-200);
  margin: 0 0.5rem;
  align-self: center;
  margin-bottom: 1.5rem;
  transition: background 0.3s ease;
}

.step-connector.active,
.step-connector.completed {
  background: var(--color-primary);
}

/* ------------------------------------------------------------
   5. PASSWORD STRENGTH METER
   ------------------------------------------------------------ */
#password-strength {
  margin-top: 0.5rem;
}

.strength-bar {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--color-gray-200);
  transition: background 0.3s ease;
}

.strength-bar.weak {
  background: var(--color-danger);
}

.strength-bar.medium {
  background: var(--color-warning);
}

.strength-bar.strong {
  background: var(--color-success);
}

#strength-text {
  font-size: 0.75rem;
  font-weight: 600;
}

#strength-text.text-danger {
  color: var(--color-danger) !important;
}

#strength-text.text-warning {
  color: var(--color-warning) !important;
}

#strength-text.text-success {
  color: var(--color-success) !important;
}

/* ------------------------------------------------------------
   6. PASSWORD REQUIREMENTS
   ------------------------------------------------------------ */
.password-requirements {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-200);
}

.password-requirements ul li {
  font-size: 0.8rem;
  color: var(--color-gray-600);
  transition: color 0.2s ease;
}

.password-requirements ul li.met {
  color: var(--color-success);
}

.password-requirements ul li.met i {
  color: var(--color-success);
}

/* ------------------------------------------------------------
   7. FORM CHECK (REMEMBER ME)
   ------------------------------------------------------------ */
.form-check-input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ------------------------------------------------------------
   8. CARD SHADOW ENHANCEMENT
   ------------------------------------------------------------ */
.auth-page .card {
  box-shadow: 0 10px 40px rgba(11, 94, 215, 0.1);
  border: 1px solid rgba(11, 94, 215, 0.05);
}

/* ------------------------------------------------------------
   9. ALERT STYLING
   ------------------------------------------------------------ */
.alert {
  font-size: 0.85rem;
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
}

/* ------------------------------------------------------------
   10. DIVIDER "ATAU"
   ------------------------------------------------------------ */
.text-center .text-muted.px-3 {
  position: relative;
  background: white;
  z-index: 1;
}

.text-center:has(.text-muted.px-3) {
  position: relative;
}

.text-center:has(.text-muted.px-3)::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gray-200);
  z-index: 0;
}

/* ------------------------------------------------------------
   11. RESPONSIVE ADJUSTMENTS
   ------------------------------------------------------------ */
@media (max-width: 768px) {
  .auth-icon {
    width: 56px;
    height: 56px;
  }

  .auth-icon i {
    font-size: 1.75rem;
  }

  .step-number {
    width: 34px;
    height: 34px;
    font-size: 0.8rem;
  }

  .step-connector {
    width: 40px;
  }

  .step-label {
    font-size: 0.7rem;
  }

  .card-body {
    padding: 1.25rem !important;
  }
}

@media (max-width: 480px) {
  .auth-container {
    padding: 1rem 0;
  }

  .step-connector {
    width: 30px;
  }
}

/* ------------------------------------------------------------
   12. ANIMATION FOR CARD
   ------------------------------------------------------------ */
.auth-page .card {
  animation: fadeInUp 0.5s ease forwards;
}

/* ------------------------------------------------------------
   13. TOGGLE PASSWORD BUTTON
   ------------------------------------------------------------ */
.toggle-password:focus {
  box-shadow: none;
  border-color: var(--color-gray-300);
}

/* ------------------------------------------------------------
   14. FORM SELECT STYLING
   ------------------------------------------------------------ */
.form-select {
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  font-family: var(--font-primary);
  color: var(--color-gray-800);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(11, 94, 215, 0.1);
}