/* Accounts App CSS - Modern Authentication & Profile Management */

:root {
  /* Color Variables */
  --accounts-primary: #0d6efd;
  --accounts-primary-dark: #0056b3;
  --accounts-secondary: #6c757d;
  --accounts-success: #198754;
  --accounts-danger: #dc3545;
  --accounts-warning: #ffc107;
  --accounts-info: #0dcaf0;
  --accounts-light: #f8f9fa;
  --accounts-dark: #212529;
  --accounts-white: #ffffff;
  --accounts-gray-100: #f8f9fa;
  --accounts-gray-200: #e9ecef;
  --accounts-gray-300: #dee2e6;
  --accounts-gray-400: #ced4da;
  --accounts-gray-500: #adb5bd;
  --accounts-gray-600: #6c757d;
  --accounts-gray-700: #495057;
  --accounts-gray-800: #343a40;
  --accounts-gray-900: #212529;
  
  /* Spacing Variables */
  --accounts-spacing-xs: 0.25rem;
  --accounts-spacing-sm: 0.5rem;
  --accounts-spacing-md: 1rem;
  --accounts-spacing-lg: 1.5rem;
  --accounts-spacing-xl: 3rem;
  
  /* Border Radius */
  --accounts-border-radius: 10px;
  --accounts-border-radius-lg: 15px;
  --accounts-border-radius-xl: 20px;
  
  /* Shadows */
  --accounts-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --accounts-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  --accounts-shadow-lg: 0 15px 35px rgba(0, 0, 0, 0.1);
  --accounts-shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --accounts-transition: all 0.3s ease;
  --accounts-transition-fast: all 0.15s ease;
}

/* Base Styles */
body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
}

/* Auth Container */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--accounts-spacing-md);
}

.auth-card {
  background: var(--accounts-white);
  border-radius: var(--accounts-border-radius-lg);
  box-shadow: var(--accounts-shadow-lg);
  overflow: hidden;
  max-width: 450px;
  width: 100%;
  animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Auth Header */
.auth-header {
  background: linear-gradient(135deg, var(--accounts-primary), var(--accounts-primary-dark));
  color: var(--accounts-white);
  padding: var(--accounts-spacing-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.auth-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.auth-header h2 {
  margin: 0;
  font-weight: 700;
  font-size: 1.75rem;
  position: relative;
  z-index: 1;
}

.auth-header p {
  margin: var(--accounts-spacing-sm) 0 0 0;
  opacity: 0.9;
  font-size: 0.95rem;
  position: relative;
  z-index: 1;
}

/* Auth Body */
.auth-body {
  padding: var(--accounts-spacing-xl) var(--accounts-spacing-lg);
}

/* Form Controls */
.form-control {
  border-radius: var(--accounts-border-radius);
  border: 2px solid var(--accounts-gray-200);
  padding: 12px 15px;
  transition: var(--accounts-transition);
  font-size: 0.95rem;
}

.form-control:focus {
  border-color: var(--accounts-primary);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
  outline: none;
}

.form-control.is-invalid {
  border-color: var(--accounts-danger);
}

.form-control.is-valid {
  border-color: var(--accounts-success);
}

/* Buttons */
.btn {
  border-radius: var(--accounts-border-radius);
  padding: 12px 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--accounts-transition);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accounts-primary), var(--accounts-primary-dark));
  color: var(--accounts-white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--accounts-shadow-lg);
}

.btn-secondary {
  background: var(--accounts-secondary);
  color: var(--accounts-white);
}

.btn-success {
  background: var(--accounts-success);
  color: var(--accounts-white);
}

.btn-danger {
  background: var(--accounts-danger);
  color: var(--accounts-white);
}

.btn-outline-primary {
  border: 2px solid var(--accounts-primary);
  color: var(--accounts-primary);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--accounts-primary);
  color: var(--accounts-white);
}

.btn-outline-secondary {
  border: 2px solid var(--accounts-secondary);
  color: var(--accounts-secondary);
  background: transparent;
}

.btn-outline-secondary:hover {
  background: var(--accounts-secondary);
  color: var(--accounts-white);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 15px 40px;
  font-size: 1rem;
}

/* Alerts */
.alert {
  border-radius: var(--accounts-border-radius);
  border: none;
  padding: 15px 20px;
  margin-bottom: var(--accounts-spacing-md);
  position: relative;
}

.alert-success {
  background: rgba(25, 135, 84, 0.1);
  color: var(--accounts-success);
  border-left: 4px solid var(--accounts-success);
}

.alert-danger {
  background: rgba(220, 53, 69, 0.1);
  color: var(--accounts-danger);
  border-left: 4px solid var(--accounts-danger);
}

.alert-warning {
  background: rgba(255, 193, 7, 0.1);
  color: var(--accounts-warning);
  border-left: 4px solid var(--accounts-warning);
}

.alert-info {
  background: rgba(13, 202, 240, 0.1);
  color: var(--accounts-info);
  border-left: 4px solid var(--accounts-info);
}

/* Navigation Tabs */
.nav-tabs {
  border-bottom: 2px solid var(--accounts-gray-200);
  margin-bottom: var(--accounts-spacing-lg);
}

.nav-tabs .nav-link {
  border: none;
  border-radius: var(--accounts-border-radius) var(--accounts-border-radius) 0 0;
  margin-right: 5px;
  padding: 12px 20px;
  font-weight: 500;
  color: var(--accounts-gray-600);
  transition: var(--accounts-transition);
}

.nav-tabs .nav-link:hover {
  background-color: var(--accounts-gray-100);
  color: var(--accounts-primary);
}

.nav-tabs .nav-link.active {
  background-color: var(--accounts-primary);
  color: var(--accounts-white);
}

/* Form Labels */
.form-label {
  font-weight: 600;
  color: var(--accounts-dark);
  margin-bottom: 8px;
  font-size: 0.9rem;
}

/* Text Utilities */
.text-muted {
  font-size: 0.9rem;
  color: var(--accounts-gray-600);
}

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

.text-end {
  text-align: right;
}

/* Links */
.back-link {
  color: var(--accounts-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--accounts-transition);
}

.back-link:hover {
  text-decoration: underline;
  color: var(--accounts-primary-dark);
}

/* Loading States */
.loading {
  display: none;
}

.spinner-border-sm {
  width: 1rem;
  height: 1rem;
}

/* Profile Specific Styles */
.profile-avatar-wrapper {
  position: relative;
  display: inline-block;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accounts-primary), var(--accounts-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accounts-white);
  font-size: 2rem;
  margin: 0 auto;
}

.profile-status {
  position: absolute;
  bottom: 0;
  right: 0;
}

.stat-item {
  padding: var(--accounts-spacing-sm);
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accounts-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--accounts-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Navigation Pills */
.nav-pills .nav-link {
  border-radius: var(--accounts-border-radius);
  margin-bottom: var(--accounts-spacing-xs);
  padding: 10px 15px;
  color: var(--accounts-gray-600);
  transition: var(--accounts-transition);
}

.nav-pills .nav-link:hover {
  background-color: var(--accounts-gray-100);
  color: var(--accounts-primary);
}

.nav-pills .nav-link.active {
  background-color: var(--accounts-primary);
  color: var(--accounts-white);
}

/* Cards */
.card {
  border: none;
  border-radius: var(--accounts-border-radius-lg);
  box-shadow: var(--accounts-shadow);
  transition: var(--accounts-transition);
}

.card:hover {
  box-shadow: var(--accounts-shadow-lg);
}

.card-header {
  background: var(--accounts-gray-100);
  border-bottom: 1px solid var(--accounts-gray-200);
  font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
  .auth-container {
    padding: var(--accounts-spacing-sm);
  }
  
  .auth-card {
    max-width: 100%;
  }
  
  .auth-header {
    padding: var(--accounts-spacing-lg);
  }
  
  .auth-body {
    padding: var(--accounts-spacing-lg) var(--accounts-spacing-md);
  }
  
  .btn {
    width: 100%;
    margin-bottom: var(--accounts-spacing-sm);
  }
  
  .nav-tabs .nav-link {
    padding: 10px 15px;
    font-size: 0.9rem;
  }
}

@media (max-width: 576px) {
  .auth-header h2 {
    font-size: 1.5rem;
  }
  
  .auth-header p {
    font-size: 0.9rem;
  }
  
  .form-control {
    padding: 10px 12px;
  }
  
  .btn {
    padding: 10px 20px;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.slide-in-left {
  animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Utility Classes */
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--accounts-spacing-xs) !important; }
.mb-2 { margin-bottom: var(--accounts-spacing-sm) !important; }
.mb-3 { margin-bottom: var(--accounts-spacing-md) !important; }
.mb-4 { margin-bottom: var(--accounts-spacing-lg) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--accounts-spacing-xs) !important; }
.mt-2 { margin-top: var(--accounts-spacing-sm) !important; }
.mt-3 { margin-top: var(--accounts-spacing-md) !important; }
.mt-4 { margin-top: var(--accounts-spacing-lg) !important; }

.me-1 { margin-right: var(--accounts-spacing-xs) !important; }
.me-2 { margin-right: var(--accounts-spacing-sm) !important; }
.me-3 { margin-right: var(--accounts-spacing-md) !important; }

.ms-1 { margin-left: var(--accounts-spacing-xs) !important; }
.ms-2 { margin-left: var(--accounts-spacing-sm) !important; }
.ms-3 { margin-left: var(--accounts-spacing-md) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--accounts-spacing-xs) !important; }
.p-2 { padding: var(--accounts-spacing-sm) !important; }
.p-3 { padding: var(--accounts-spacing-md) !important; }
.p-4 { padding: var(--accounts-spacing-lg) !important; }

.d-grid { display: grid !important; }
.d-flex { display: flex !important; }
.d-none { display: none !important; }
.d-block { display: block !important; }

.gap-1 { gap: var(--accounts-spacing-xs) !important; }
.gap-2 { gap: var(--accounts-spacing-sm) !important; }
.gap-3 { gap: var(--accounts-spacing-md) !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

.text-center { text-align: center !important; }
.text-start { text-align: left !important; }
.text-end { text-align: right !important; }

.fw-bold { font-weight: 700 !important; }
.fw-normal { font-weight: 400 !important; }

.small { font-size: 0.875rem !important; }
.large { font-size: 1.125rem !important; }

.opacity-75 { opacity: 0.75 !important; }
.opacity-50 { opacity: 0.5 !important; }