/* ==========================================
   🔐 TRADING PLATFORM PRO - AUTH STYLES
   Login, Register, Forgot Password Pages
   Professional Trading Dark Theme
   ========================================== */

/* ==========================================
   🎨 FALLBACK VARIABLES (if main.css not loaded)
   ========================================== */
:root {
  --trading-bg: #0a0e17;
  --trading-bg-secondary: #0f172a;
  --trading-surface: #111827;
  --trading-card: #1a1f2e;
  --trading-elevated: #1e293b;
  --trading-border: #2d3748;
  --trading-border-light: #374151;
  --trading-text: #f8fafc;
  --trading-text-secondary: #e2e8f0;
  --trading-text-muted: #94a3b8;
  --trading-text-disabled: #64748b;
  --trading-green: #10b981;
  --trading-green-light: #34d399;
  --trading-green-glow: rgba(16, 185, 129, 0.4);
  --trading-red: #ef4444;
  --trading-red-light: #f87171;
  --trading-red-glow: rgba(239, 68, 68, 0.4);
  --trading-blue: #3b82f6;
  --trading-blue-light: #60a5fa;
  --trading-blue-glow: rgba(59, 130, 246, 0.4);
  --trading-gold: #f59e0b;
  --trading-gold-light: #fbbf24;
  --trading-gradient-card: linear-gradient(145deg, #1a1f2e 0%, #111827 100%);
  
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  
  --radius-base: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  
  --duration-150: 150ms;
  --duration-200: 200ms;
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
}

/* ==========================================
   📱 AUTH PAGE BASE
   ========================================== */

body.auth-page {
  min-height: 100vh;
  background: #0a0e17 !important;
  background-color: #0a0e17 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
  font-family: var(--font-primary);
  margin: 0;
}

/* ==========================================
   🎨 ANIMATED BACKGROUND
   ========================================== */

.auth-background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  animation: glowPulse 8s ease-in-out infinite;
}

.bg-glow-1 {
  top: -200px;
  left: -200px;
  background: var(--trading-green);
}

.bg-glow-2 {
  bottom: -200px;
  right: -200px;
  background: var(--trading-blue);
  animation-delay: -4s;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.1; transform: scale(1); }
  50% { opacity: 0.2; transform: scale(1.1); }
}

.floating-elements {
  position: absolute;
  inset: 0;
}

.float-badge {
  position: absolute;
  padding: 8px 16px;
  background: rgba(26, 31, 46, 0.8);
  border: 1px solid var(--trading-border);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--trading-text-muted);
  backdrop-filter: blur(8px);
  animation: floatBadge 6s ease-in-out infinite;
}

.float-badge:nth-child(1) { top: 15%; left: 5%; animation-delay: 0s; }
.float-badge:nth-child(2) { top: 60%; left: 8%; animation-delay: 2s; }
.float-badge:nth-child(3) { bottom: 20%; right: 5%; animation-delay: 4s; }

.float-badge.green { color: var(--trading-green); border-color: rgba(16, 185, 129, 0.3); }
.float-badge.red { color: var(--trading-red); border-color: rgba(239, 68, 68, 0.3); }

@keyframes floatBadge {
  0%, 100% { transform: translateY(0) rotate(-1deg); opacity: 0.6; }
  50% { transform: translateY(-15px) rotate(1deg); opacity: 1; }
}

/* ==========================================
   📦 AUTH CONTAINER
   ========================================== */

.auth-container {
  position: relative;
  z-index: 1;
  display: flex;
  gap: var(--spacing-8);
  max-width: 1000px;
  width: 100%;
}

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

.auth-card {
  flex: 1;
  max-width: 440px;
  background: var(--trading-card);
  border: 1px solid var(--trading-border);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transform: none !important; /* Prevent any inherited rotation */
  animation: none !important; /* Disable any animation that might rotate */
}

/* ==========================================
   📋 AUTH HEADER
   ========================================== */

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.auth-logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
  margin-bottom: var(--spacing-6);
}

.logo-icon {
  width: 56px;
  height: 56px;
  background: var(--trading-surface);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px var(--trading-green-glow);
}

.logo-icon svg {
  width: 32px;
  height: 32px;
}

.logo-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.logo-trading {
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--trading-text);
}

.logo-platform {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--trading-text);
}

.logo-pro {
  font-size: 10px;
  font-weight: 800;
  color: var(--trading-bg);
  background: var(--trading-green);
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.auth-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--trading-text);
  margin-bottom: var(--spacing-2);
}

.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--trading-text-muted);
}

/* ==========================================
   📝 AUTH FORM
   ========================================== */

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
}

/* Form Group */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

/* Form Label */
.form-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--trading-text-secondary);
}

.label-icon {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

/* Input Wrapper */
.input-wrapper {
  position: relative;
}

/* Form Input */
.form-input {
  width: 100%;
  height: 48px;
  padding: 0 var(--spacing-4);
  background: var(--trading-surface);
  border: 1px solid var(--trading-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-family: var(--font-primary);
  color: var(--trading-text);
  outline: none;
  transition: all var(--duration-200) var(--ease-out);
}

.form-input::placeholder {
  color: var(--trading-text-disabled);
}

.form-input:hover {
  border-color: var(--trading-border-light);
}

.form-input:focus {
  border-color: var(--trading-green);
  box-shadow: 0 0 0 3px var(--trading-green-glow);
}

.form-input.error {
  border-color: var(--trading-red);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px var(--trading-red-glow);
}

.form-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--trading-card);
}

/* Password Wrapper */
.password-wrapper .form-input {
  padding-right: 48px;
}

/* Password Toggle */
.password-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--trading-text-muted);
  cursor: pointer;
  transition: all var(--duration-150) var(--ease-out);
}

.password-toggle:hover {
  color: var(--trading-text);
  background: var(--trading-border);
}

.password-toggle svg {
  width: 20px;
  height: 20px;
}

.password-toggle .icon-eye-off {
  display: none;
}

.password-toggle.visible .icon-eye {
  display: none;
}

.password-toggle.visible .icon-eye-off {
  display: block;
}

/* Form Error */
.form-error {
  font-size: var(--text-xs);
  color: var(--trading-red);
  min-height: 16px;
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.form-error:empty {
  display: none;
}

/* ==========================================
   ⚠️ ALERT MESSAGES
   ========================================== */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.alert[hidden] {
  display: none;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--trading-red-light);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--trading-green-light);
}

.alert-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ==========================================
   ✅ CHECKBOX
   ========================================== */

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  cursor: pointer;
  user-select: none;
}

.checkbox-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  background: var(--trading-surface);
  border: 1px solid var(--trading-border);
  border-radius: var(--radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-150) var(--ease-out);
}

.checkbox-custom svg {
  width: 14px;
  height: 14px;
  stroke: transparent;
  transition: all var(--duration-150) var(--ease-out);
}

.checkbox-input:checked + .checkbox-custom {
  background: var(--trading-green);
  border-color: var(--trading-green);
}

.checkbox-input:checked + .checkbox-custom svg {
  stroke: white;
}

.checkbox-input:focus + .checkbox-custom {
  box-shadow: 0 0 0 3px var(--trading-green-glow);
}

.checkbox-label {
  font-size: var(--text-sm);
  color: var(--trading-text-muted);
}

/* Forgot Password Link */
.link-forgot {
  font-size: var(--text-sm);
  color: var(--trading-blue);
  text-decoration: none;
  transition: color var(--duration-150) var(--ease-out);
}

.link-forgot:hover {
  color: var(--trading-blue-light);
  text-decoration: underline;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  height: 48px;
  padding: 0 var(--spacing-6);
  font-size: var(--text-base);
  font-weight: 600;
  font-family: var(--font-primary);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-200) var(--ease-out);
  text-decoration: none;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.btn-block {
  width: 100%;
}

/* Primary Button */
.btn-primary {
  background: var(--button-color, var(--trading-green));
  color: white;
  box-shadow: 0 4px 15px var(--button-color-glow, var(--trading-green-glow));
}

.btn-primary:hover:not(:disabled) {
  background: var(--button-color-dark, var(--trading-green-light));
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--button-color-glow, var(--trading-green-glow));
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* Button Loading State */
.btn-loader {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
}

.btn-loader[hidden] {
  display: none;
}

.btn.loading .btn-text {
  display: none;
}

.btn.loading .btn-loader {
  display: inline-flex;
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
}

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

/* Social Button */
.btn-social {
  background: var(--trading-surface);
  border: 1px solid var(--trading-border);
  color: var(--trading-text);
  height: 44px;
}

.btn-social:hover:not(:disabled) {
  background: var(--trading-card);
  border-color: var(--trading-border-light);
}

.btn-social:disabled {
  opacity: 0.5;
}

.btn-social svg {
  flex-shrink: 0;
}

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

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin: var(--spacing-6) 0;
}

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

.auth-divider span {
  font-size: var(--text-xs);
  color: var(--trading-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ==========================================
   🔗 SOCIAL LOGIN
   ========================================== */

.social-login {
  display: flex;
  gap: var(--spacing-3);
}

.social-login .btn {
  flex: 1;
}

/* ==========================================
   📄 AUTH FOOTER
   ========================================== */

.auth-footer {
  text-align: center;
  margin-top: var(--spacing-6);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--trading-border);
}

.auth-footer p {
  font-size: var(--text-sm);
  color: var(--trading-text-muted);
  margin: 0;
}

.link-register {
  color: var(--trading-green);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--duration-150) var(--ease-out);
}

.link-register:hover {
  color: var(--trading-green-light);
  text-decoration: underline;
}

/* ==========================================
   ℹ️ AUTH INFO SIDEBAR
   ========================================== */

.auth-info {
  flex: 1;
  max-width: 400px;
  display: none;
  padding: var(--spacing-8);
  background: var(--trading-gradient-card);
  border: 1px solid var(--trading-border);
  border-radius: var(--radius-2xl);
}

.info-content {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.info-content h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--trading-text);
  margin-bottom: var(--spacing-6);
}

.info-list {
  list-style: none;
  padding: 0;
  margin: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.info-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--text-sm);
  color: var(--trading-text-secondary);
}

.info-list svg {
  width: 20px;
  height: 20px;
  color: var(--trading-green);
  flex-shrink: 0;
}

.info-stats {
  display: flex;
  gap: var(--spacing-6);
  padding-top: var(--spacing-8);
  margin-top: var(--spacing-8);
  border-top: 1px solid var(--trading-border);
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--trading-text);
  margin-bottom: var(--spacing-1);
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--trading-text-muted);
}

/* ==========================================
   📱 RESPONSIVE DESIGN
   ========================================== */

/* Mobile (375px) - Default */
@media (max-width: 480px) {
  .auth-page {
    padding: var(--spacing-4);
    align-items: flex-start;
    padding-top: var(--spacing-8);
  }
  
  .auth-card {
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
  }
  
  .auth-title {
    font-size: var(--text-xl);
  }
  
  .logo-text {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .floating-elements {
    display: none;
  }
  
  .form-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-3);
  }
  
  .social-login {
    flex-direction: column;
  }
}

/* Tablet (768px) */
@media (min-width: 768px) {
  .auth-card {
    padding: var(--spacing-10);
  }
  
  .auth-title {
    font-size: var(--text-3xl);
  }
}

/* Desktop (1024px) */
@media (min-width: 1024px) {
  .auth-info {
    display: block;
  }
  
  .auth-container {
    gap: var(--spacing-10);
  }
}

/* ==========================================
   ♿ ACCESSIBILITY
   ========================================== */

/* Focus visible for keyboard navigation */
.form-input:focus-visible,
.btn:focus-visible,
.checkbox-input:focus-visible + .checkbox-custom {
  outline: 2px solid var(--trading-green);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .bg-glow,
  .float-badge {
    animation: none;
  }
  
  .btn,
  .form-input,
  .checkbox-custom {
    transition: none;
  }
}

/* ==========================================
   🎭 ANIMATIONS
   ========================================== */

/* Fade in animation for form elements */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-card {
  animation: fadeInUp 0.5s ease-out;
}

.auth-info {
  animation: fadeInUp 0.5s ease-out 0.1s both;
}

/* Shake animation for errors */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.form-input.shake {
  animation: shake 0.5s ease-in-out;
}