/* ========================================
   Premium Authentication Pages Styling
   Login & Register - Institutional Investment Broker Design
   ======================================== */

:root {
  /* Color Palette */
  --auth-body-bg: #07111F;
  --auth-section-bg: #0B1728;
  --auth-card-bg: #122033;
  --auth-card-secondary: #16263D;
  --auth-primary-text: #FFFFFF;
  --auth-secondary-text: #A8B3C7;
  --auth-accent-blue: #3B82F6;
  --auth-accent-blue-hover: #2563EB;
  --auth-border-color: rgba(255, 255, 255, 0.08);
  --auth-success-color: #26D07C;
  --auth-danger-color: #F23645;
  --auth-warning-color: #FFA500;
  
  /* Typography */
  --auth-font-primary: 'Poppins', sans-serif;
  --auth-font-display: 'Merriweather', serif;
  
  /* Spacing */
  --auth-space-xs: 0.5rem;
  --auth-space-sm: 1rem;
  --auth-space-md: 1.5rem;
  --auth-space-lg: 2rem;
  --auth-space-xl: 3rem;
  --auth-space-xxl: 4rem;
  
  /* Shadows */
  --auth-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --auth-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --auth-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* Border Radius */
  --auth-radius-sm: 6px;
  --auth-radius-md: 10px;
  --auth-radius-lg: 16px;
}

/* ========================================
   RESET & GLOBAL STYLES
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--auth-body-bg);
  color: var(--auth-primary-text);
  font-family: var(--auth-font-primary);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ========================================
   PAGE LAYOUT
   ======================================== */

.auth-page-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--auth-space-md);
  background: linear-gradient(135deg, 
    var(--auth-body-bg) 0%, 
    #0e1f33 50%, 
    var(--auth-section-bg) 100%);
  position: relative;
  overflow: hidden;
}

/* Animated Background Elements */
.auth-page-container::before,
.auth-page-container::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: 0.03;
  pointer-events: none;
}

.auth-page-container::before {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #3B82F6, transparent);
  top: -300px;
  right: -300px;
  animation: float 20s ease-in-out infinite;
}

.auth-page-container::after {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #2563EB, transparent);
  bottom: -200px;
  left: -200px;
  animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

/* ========================================
   SPLIT LAYOUT (Desktop)
   ======================================== */

.auth-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  max-width: 1400px;
  gap: var(--auth-space-xl);
  align-items: center;
  position: relative;
  z-index: 10;
}

.auth-visual {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--auth-primary-text);
}

.auth-visual-content {
  text-align: center;
}

.auth-visual h2 {
  font-family: var(--auth-font-display);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--auth-space-md);
  line-height: 1.2;
  background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-visual p {
  font-size: 1.1rem;
  color: var(--auth-secondary-text);
  margin-bottom: var(--auth-space-lg);
  line-height: 1.8;
}

/* Trust Features on Visual Side */
.trust-features {
  display: flex;
  flex-direction: column;
  gap: var(--auth-space-md);
  margin-top: var(--auth-space-xl);
  text-align: left;
}

.trust-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--auth-space-md);
  padding: var(--auth-space-md);
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: var(--auth-radius-md);
  transition: all 0.3s ease;
}

.trust-feature:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateX(8px);
}

.trust-feature i {
  font-size: 1.5rem;
  color: var(--auth-accent-blue);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.trust-feature-text h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--auth-primary-text);
}

.trust-feature-text p {
  font-size: 0.85rem;
  color: var(--auth-secondary-text);
  margin: 0;
}

/* ========================================
   AUTH CARD
   ======================================== */

.auth-card {
  background: var(--auth-card-bg);
  border: 1px solid var(--auth-border-color);
  border-radius: var(--auth-radius-lg);
  padding: var(--auth-space-xl);
  box-shadow: var(--auth-shadow-lg);
  position: relative;
  overflow: hidden;
}

/* Card Gradient Border Effect */
.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #3B82F6, transparent);
  opacity: 0.5;
}

/* Card Header */
.auth-card-header {
  text-align: center;
  margin-bottom: var(--auth-space-lg);
}

.auth-logo {
  margin-bottom: var(--auth-space-md);
}

.auth-logo img {
  height: 50px;
  width: auto;
  display: inline-block;
}

.auth-card-title {
  font-family: var(--auth-font-display);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: var(--auth-space-sm);
  color: var(--auth-primary-text);
}

.auth-card-subtitle {
  font-size: 0.95rem;
  color: var(--auth-secondary-text);
  margin: 0;
}

/* ========================================
   FORM ELEMENTS
   ======================================== */

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--auth-space-md);
}

/* Form Group */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--auth-space-xs);
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--auth-secondary-text);
  transition: color 0.3s ease;
}

.form-group:focus-within label {
  color: var(--auth-accent-blue);
}

/* Input Field */
.form-group input,
.form-group select,
.form-group textarea {
  background-color: var(--auth-card-secondary);
  border: 1px solid var(--auth-border-color);
  border-radius: var(--auth-radius-md);
  padding: var(--auth-space-sm) var(--auth-space-md);
  color: var(--auth-primary-text);
  font-family: var(--auth-font-primary);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group select::placeholder,
.form-group textarea::placeholder {
  color: #7A8FA5;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: rgba(59, 130, 246, 0.3);
  background-color: rgba(22, 38, 61, 0.8);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--auth-accent-blue);
  background-color: rgba(22, 38, 61, 0.95);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Select Specific */
.form-group select {
  cursor: pointer;
  padding-right: 2.5rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23A8B3C7' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

/* Password Visibility Toggle Container */
.password-toggle-wrapper {
  position: relative;
}

.password-toggle-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--auth-secondary-text);
  cursor: pointer;
  padding: var(--auth-space-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease;
  z-index: 10;
  margin-top: 8px;
}

.password-toggle-btn:hover {
  color: var(--auth-accent-blue);
}

/* ========================================
   FORM ROW & COLUMNS
   ======================================== */

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--auth-space-md);
}

.form-row.full {
  grid-template-columns: 1fr;
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   CHECKBOXES & RADIO BUTTONS
   ======================================== */

.form-check {
  display: flex;
  align-items: center;
  gap: var(--auth-space-sm);
  cursor: pointer;
}

.form-check-input {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--auth-accent-blue);
}

.form-check-label {
  font-size: 0.9rem;
  color: var(--auth-secondary-text);
  cursor: pointer;
  transition: color 0.3s ease;
  margin: 0;
}

.form-check-input:hover ~ .form-check-label,
.form-check:hover .form-check-label {
  color: var(--auth-primary-text);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  padding: var(--auth-space-sm) var(--auth-space-md);
  border: none;
  border-radius: var(--auth-radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--auth-font-primary);
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

/* Button Primary */
.btn-primary {
  background: linear-gradient(135deg, var(--auth-accent-blue) 0%, var(--auth-accent-blue-hover) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Button Block (Full Width) */
.btn-block {
  width: 100%;
  display: flex;
}

/* ========================================
   FORM VALIDATION STATES
   ======================================== */

.form-group input:invalid {
  border-color: var(--auth-danger-color);
}

.form-group input:invalid:focus {
  box-shadow: 0 0 0 3px rgba(242, 54, 69, 0.1);
}

.form-group input:valid {
  border-color: var(--auth-success-color);
}

.form-error {
  font-size: 0.8rem;
  color: var(--auth-danger-color);
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-error i {
  font-size: 0.7rem;
}

.form-success {
  font-size: 0.8rem;
  color: var(--auth-success-color);
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-success i {
  font-size: 0.7rem;
}

/* ========================================
   FORM FOOTER
   ======================================== */

.auth-form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--auth-space-md);
  gap: var(--auth-space-sm);
  flex-wrap: wrap;
}

.form-remember {
  display: flex;
  align-items: center;
  gap: var(--auth-space-xs);
}

.form-remember input {
  accent-color: var(--auth-accent-blue);
}

.form-remember label {
  font-size: 0.85rem;
  color: var(--auth-secondary-text);
  margin: 0;
  cursor: pointer;
}

.form-links {
  display: flex;
  gap: var(--auth-space-md);
  justify-content: space-between;
  flex-wrap: wrap;
}

.form-link {
  font-size: 0.85rem;
  color: var(--auth-accent-blue);
  text-decoration: none;
  transition: color 0.3s ease;
}

.form-link:hover {
  color: var(--auth-accent-blue-hover);
  text-decoration: underline;
}

/* ========================================
   DIVIDER
   ======================================== */

.divider {
  display: flex;
  align-items: center;
  gap: var(--auth-space-sm);
  margin: var(--auth-space-lg) 0;
  color: var(--auth-secondary-text);
  font-size: 0.85rem;
}

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

/* ========================================
   SIGNUP LINK
   ======================================== */

.auth-footer {
  text-align: center;
  margin-top: var(--auth-space-lg);
  padding-top: var(--auth-space-lg);
  border-top: 1px solid var(--auth-border-color);
}

.auth-footer-text {
  font-size: 0.9rem;
  color: var(--auth-secondary-text);
}

.auth-footer-link {
  color: var(--auth-accent-blue);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.auth-footer-link:hover {
  color: var(--auth-accent-blue-hover);
  text-decoration: underline;
}

/* ========================================
   PASSWORD STRENGTH INDICATOR
   ======================================== */

.password-strength {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

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

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

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

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

.password-strength-text {
  font-size: 0.75rem;
  margin-top: 0.5rem;
  color: var(--auth-secondary-text);
}

/* ========================================
   RESPONSIVE LAYOUT
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
  .auth-wrapper {
    grid-template-columns: 1fr;
    gap: var(--auth-space-lg);
  }

  .auth-visual {
    display: none;
  }

  .auth-card {
    max-width: 500px;
    margin: 0 auto;
  }

  .auth-visual h2 {
    font-size: 2rem;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .auth-page-container {
    padding: var(--auth-space-md);
    min-height: auto;
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .auth-card {
    padding: var(--auth-space-lg);
    border-radius: var(--auth-radius-md);
  }

  .auth-card-title {
    font-size: 1.5rem;
  }

  .auth-card-subtitle {
    font-size: 0.85rem;
  }

  .auth-form {
    gap: var(--auth-space-md);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .auth-form-footer {
    flex-direction: column;
    align-items: stretch;
    gap: var(--auth-space-sm);
  }

  .form-links {
    justify-content: center;
  }

  /* Google Translate on Mobile */
  .google-translate-wrapper {
    width: 100%;
    margin: 0 0 var(--auth-space-md) 0;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .auth-page-container {
    padding: var(--auth-space-sm);
  }

  .auth-card {
    padding: var(--auth-space-md);
  }

  .auth-logo img {
    height: 40px;
  }

  .auth-card-title {
    font-size: 1.3rem;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .btn {
    padding: var(--auth-space-sm) var(--auth-space-md);
    font-size: 0.9rem;
  }
}

/* ========================================
   PAGE LOADER
   ======================================== */

.page-loader {
  display: none;
  width: 100%;
  height: 100%;
  background: var(--auth-body-bg);
  z-index: 99999;
  justify-content: center;
  align-items: center;
}

.page-loader.active {
  display: flex;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(59, 130, 246, 0.2);
  border-top-color: var(--auth-accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--auth-secondary-text);
}

.text-danger {
  color: var(--auth-danger-color);
}

.text-success {
  color: var(--auth-success-color);
}

.mb-1 { margin-bottom: var(--auth-space-xs); }
.mb-2 { margin-bottom: var(--auth-space-sm); }
.mb-3 { margin-bottom: var(--auth-space-md); }
.mb-4 { margin-bottom: var(--auth-space-lg); }

.mt-1 { margin-top: var(--auth-space-xs); }
.mt-2 { margin-top: var(--auth-space-sm); }
.mt-3 { margin-top: var(--auth-space-md); }
.mt-4 { margin-top: var(--auth-space-lg); }

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
  .auth-page-container::before,
  .auth-page-container::after {
    display: none;
  }

  .auth-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}