/* ====================================
   Private CA - Modern UI Stylesheet
   ====================================
   White-Gold-Blue theme following 60-20-20 rule:
   60% White, 20% Gold, 20% Blue
   Reference: https://pdf.scigrad.com
*/

/* ====================================
   CSS Variables & Theming
   ==================================== */
:root {
  /* Primary Colors - White (60%) */
  --color-white: #FFFFFF;
  --color-off-white: #F8F9FA;
  --color-light-gray: #F1F3F5;
  
  /* Accent Colors - Gold (20%) */
  --color-gold: #C9A227;
  --color-gold-light: #E8D48B;
  --color-gold-dark: #9A7B1A;
  
  /* Accent Colors - Blue (20%) */
  --color-blue: #1E3A5F;
  --color-blue-light: #2D5A8C;
  --color-blue-dark: #0F2744;
  
  /* Text Colors */
  --text-primary: #1A1A2E;
  --text-secondary: #4A5568;
  --text-muted: #718096;
  --text-inverse: #FFFFFF;
  --text-on-gold: #000000;
  
  /* Status Colors */
  --color-success: #28A745;
  --color-warning: #FFC107;
  --color-danger: #DC3545;
  --color-info: #2D5A8C;
  
  /* Legacy mappings for compatibility */
  --color-primary: var(--color-blue);
  --color-primary-hover: var(--color-blue-dark);
  --color-primary-light: var(--color-blue-light);
  --color-secondary: var(--color-gold);
  --color-secondary-hover: var(--color-gold-dark);
  --color-accent: var(--color-gold);
  --color-purple: var(--color-blue-light);
  
  /* Background */
  --bg-primary: var(--color-white);
  --bg-secondary: var(--color-off-white);
  --bg-card: var(--color-white);
  --bg-card-hover: var(--color-white);
  --bg-gradient: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  --bg-gradient-alt: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-dark) 100%);
  --bg-gradient-blue: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-light) 100%);
  
  /* Borders */
  --border-color: rgba(30, 58, 95, 0.1);
  --border-color-hover: rgba(30, 58, 95, 0.2);
  
  /* Shadows - Blue tinted */
  --shadow-sm: 0 1px 2px rgba(30, 58, 95, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(30, 58, 95, 0.1), 0 2px 4px -1px rgba(30, 58, 95, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(30, 58, 95, 0.1), 0 4px 6px -2px rgba(30, 58, 95, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(30, 58, 95, 0.1), 0 10px 10px -5px rgba(30, 58, 95, 0.04);
  --shadow-glow: 0 0 40px rgba(201, 162, 39, 0.2);
  --shadow-gold: 0 4px 12px rgba(201, 162, 39, 0.3);
  --shadow-blue: 0 4px 12px rgba(30, 58, 95, 0.3);
  
  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: 10px;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Font */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ====================================
   Base Styles
   ==================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background Pattern - Subtle Gold and Blue accents */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 80%, rgba(201, 162, 39, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(30, 58, 95, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(201, 162, 39, 0.03) 0%, transparent 40%);
  pointer-events: none;
  z-index: -1;
}

/* ====================================
   Typography
   ==================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-blue);
}

h1 strong, h2 strong, h3 strong {
    color: var(--color-gold);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

a {
  color: var(--color-blue-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-blue);
}

code, .code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-secondary);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  color: var(--color-blue);
}

/* ====================================
   Navbar
   ==================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-blue);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 3px solid var(--color-gold);
  padding: var(--spacing-md) 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-white) !important;
}

.navbar-brand .brand-icon {
  width: 32px;
  height: 32px;
  background: var(--bg-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue-dark);
  font-size: 1rem;
}

.nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md) !important;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white) !important;
  background: rgba(201, 162, 39, 0.2);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 0.5rem;
  margin-right: 1rem;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.2s ease;
}

.lang-option:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.lang-option.active {
  background: var(--color-gold);
  color: var(--color-blue-dark);
}

.lang-code {
  font-size: 0.75rem;
  font-weight: 600;
}

/* User Avatar */
.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--bg-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue-dark);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.user-avatar:hover {
  transform: scale(1.05);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.user-info {
  text-align: right;
}

.user-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-white);
}

.user-email {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ====================================
   Cards
   ==================================== */
.card {
  background: var(--color-white);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--color-gold);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-color-hover);
  border-top-color: var(--color-gold);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  font-weight: 600;
  color: var(--color-blue);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  background: transparent;
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg);
}

/* Selection Card */
.selection-card {
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border-top: 3px solid transparent;
}

.selection-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: background var(--transition-normal);
}

.selection-card:hover::before,
.selection-card.selected::before {
  background: var(--bg-gradient);
}

.selection-card.selected {
  border-color: var(--color-gold);
  border-top-color: var(--color-gold);
  box-shadow: var(--shadow-glow);
}

.selection-card .card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.selection-card.document-signing .card-icon {
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-dark) 100%);
  color: var(--color-white);
}

.selection-card.code-signing .card-icon {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: var(--color-blue-dark);
}

/* Stats Card */
.stats-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.stats-card .stats-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto var(--spacing-md);
}

.stats-card .stats-value {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-xs);
  color: var(--color-blue);
}

.stats-card .stats-label {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.stats-card.primary .stats-icon { background: rgba(201, 162, 39, 0.15); color: var(--color-gold); }
.stats-card.success .stats-icon { background: rgba(40, 167, 69, 0.15); color: var(--color-success); }
.stats-card.warning .stats-icon { background: rgba(255, 193, 7, 0.15); color: var(--color-warning); }
.stats-card.danger .stats-icon { background: rgba(220, 53, 69, 0.15); color: var(--color-danger); }
.stats-card.info .stats-icon { background: rgba(30, 58, 95, 0.15); color: var(--color-blue); }
.stats-card.purple .stats-icon { background: rgba(45, 90, 140, 0.15); color: var(--color-blue-light); }

/* ====================================
   Buttons
   ==================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid transparent; /* Reduced border width for solid buttons */
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
  line-height: 1.5;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary - Blue Background, White Text */
.btn-primary {
  background: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-blue-light);
  border-color: var(--color-blue-light);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Secondary - Gold Background, Black Text */
.btn-secondary {
  background: var(--color-gold);
  color: var(--text-on-gold);
  border-color: var(--color-gold);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  color: var(--text-on-gold);
  transform: translateY(-1px);
}

/* Success - Green Outline */
.btn-success {
  border-color: var(--color-success);
  color: var(--color-success);
  background: transparent;
  box-shadow: none;
}

.btn-success:hover:not(:disabled) {
  background: var(--color-success);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Danger - Red Outline */
.btn-danger {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background: transparent;
  box-shadow: none;
}

.btn-danger:hover:not(:disabled) {
  background: var(--color-danger);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Warning - Yellow Outline */
.btn-warning {
  border-color: var(--color-warning);
  color: var(--color-warning);
  background: transparent;
  box-shadow: none;
}

.btn-warning:hover:not(:disabled) {
  background: var(--color-warning);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Outline Variants */
.btn-outline-primary {
  border-color: var(--color-blue);
  color: var(--color-blue);
  background: transparent;
}

.btn-outline-primary:hover:not(:disabled),
.btn-outline-primary.active {
  background: var(--color-blue);
  color: var(--color-white);
}

.btn-outline-secondary {
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
  background: transparent;
}

.btn-outline-secondary:hover:not(:disabled) {
  background: var(--color-gold);
  color: var(--text-on-gold);
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}

.btn-outline-light:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.75rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon.btn-sm {
  width: 28px;
  height: 28px;
}

/* Unified Provider Sign-In Button */
.btn-provider {
  background: var(--color-white);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  box-shadow: var(--shadow-sm);
}

.btn-provider:hover:not(:disabled) {
  background: var(--color-off-white);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  border-color: var(--color-gold);
}

.btn-provider .provider-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Login buttons container */
.login-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* ====================================
   Forms
   ==================================== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.form-control {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.15);
}

.form-control::placeholder {
  color: var(--text-muted);
}

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

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

.form-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

.invalid-feedback {
  color: var(--color-danger);
  font-size: 0.75rem;
  margin-top: var(--spacing-xs);
}

/* Password Input with Toggle */
.password-wrapper {
  position: relative;
}

.password-wrapper .form-control {
  padding-right: 2.5rem;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  transition: color var(--transition-fast);
}

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

/* Strength Indicator */
.password-strength {
  height: 4px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  margin-top: var(--spacing-sm);
  overflow: hidden;
}

.password-strength-bar {
  height: 100%;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  width: 0;
}

.password-strength-bar.weak { width: 25%; background: var(--color-danger); }
.password-strength-bar.fair { width: 50%; background: var(--color-warning); }
.password-strength-bar.good { width: 75%; background: var(--color-blue-light); }
.password-strength-bar.strong { width: 100%; background: var(--color-success); }

/* Select */
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  padding-right: 2.5rem;
  background-color: var(--bg-card);
  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='%231E3A5F' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-md) center;
  background-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.form-select:hover {
  border-color: var(--border-color-hover);
  background-color: var(--bg-secondary);
}

.form-select:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.15);
}

.form-select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--bg-secondary);
}

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

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

/* ====================================
   SlimSelect Theme Overrides
   ==================================== */
.ss-main {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  min-height: auto;
  padding: var(--spacing-sm) var(--spacing-md);
}

.ss-main:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.15);
}

.ss-content {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: var(--bg-card);
}

.ss-content .ss-list .ss-option {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-primary);
}

.ss-content .ss-list .ss-option:hover {
  background: rgba(201, 162, 39, 0.1);
  color: var(--text-primary);
}

.ss-content .ss-list .ss-option.ss-selected {
  background: rgba(201, 162, 39, 0.15);
  color: var(--color-blue);
}

.ss-content .ss-list .ss-option.ss-highlighted {
  background: rgba(30, 58, 95, 0.1);
  color: var(--text-primary);
}

.ss-content .ss-search input {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: var(--spacing-sm) var(--spacing-md);
}

.ss-content .ss-search input:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.15);
}

/* SlimSelect scrollbar */
.ss-content .ss-list::-webkit-scrollbar {
  width: 6px;
}

.ss-content .ss-list::-webkit-scrollbar-track {
  background: transparent;
}

.ss-content .ss-list::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.ss-content .ss-list::-webkit-scrollbar-thumb:hover {
  background: var(--border-color-hover);
}

/* ====================================
   Tables
   ==================================== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
}

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table th,
.table td {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  font-weight: 600;
  color: var(--color-blue);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-off-white);
  border-bottom: 2px solid var(--color-gold);
}

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: rgba(201, 162, 39, 0.05);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ====================================
   Badges
   ==================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  line-height: 1;
}

.badge-primary {
  background: var(--color-gold);
  color: var(--text-on-gold);
}

.badge-success {
  background: rgba(40, 167, 69, 0.15);
  color: var(--color-success);
}

.badge-danger {
  background: rgba(220, 53, 69, 0.15);
  color: var(--color-danger);
}

.badge-warning {
  background: rgba(255, 193, 7, 0.15);
  color: #856404;
}

.badge-info {
  background: rgba(30, 58, 95, 0.15);
  color: var(--color-blue);
}

.badge-purple {
  background: rgba(45, 90, 140, 0.15);
  color: var(--color-blue-light);
}

.badge-secondary {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: currentColor;
}

.status-badge.active { color: var(--color-success); }
.status-badge.revoked { color: var(--color-danger); }
.status-badge.expired { color: var(--color-warning); }
.status-badge.pending { color: var(--color-blue); }

/* ====================================
   Alerts & Notifications
   ==================================== */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

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

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.alert-success {
  background: rgba(40, 167, 69, 0.1);
  border: 1px solid rgba(40, 167, 69, 0.2);
  color: var(--color-success);
}

.alert-danger {
  background: rgba(220, 53, 69, 0.1);
  border: 1px solid rgba(220, 53, 69, 0.2);
  color: var(--color-danger);
}

.alert-warning {
  background: rgba(255, 193, 7, 0.1);
  border: 1px solid rgba(255, 193, 7, 0.2);
  color: #856404;
}

.alert-info {
  background: rgba(30, 58, 95, 0.1);
  border: 1px solid rgba(30, 58, 95, 0.2);
  color: var(--color-blue);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  min-width: 300px;
  max-width: 400px;
  animation: slideIn 0.3s ease;
}

.toast.toast-success { border-left: 4px solid var(--color-success); }
.toast.toast-error { border-left: 4px solid var(--color-danger); }
.toast.toast-warning { border-left: 4px solid var(--color-warning); }
.toast.toast-info { border-left: 4px solid var(--color-blue); }

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ====================================
   Modals
   ==================================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  pointer-events: auto;
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
  pointer-events: auto;
}

.modal.show .modal-dialog {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-weight: 600;
  font-size: 1.125rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  max-height: 60vh;
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

/* ====================================
   Loading & Skeleton
   ==================================== */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-spinner.sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

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

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 0%,
    var(--bg-card) 50%,
    var(--bg-secondary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--spacing-sm);
}

.skeleton-text:last-child {
  width: 70%;
}

.skeleton-circle {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 200px;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ====================================
   Tabs
   ==================================== */
.tabs {
  display: flex;
  gap: var(--spacing-xs);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
}

.tab-item {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-secondary);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.tab-item:hover {
  color: var(--text-primary);
}

.tab-item.active {
  color: var(--color-blue);
  border-bottom-color: var(--color-gold);
}

/* Nav Tabs (Bootstrap Override) */
.nav-tabs {
  border-bottom: 1px solid var(--border-color);
  gap: var(--spacing-xs);
}

.nav-tabs .nav-link {
  border: none !important;
  border-bottom: 2px solid transparent !important;
  border-radius: 0 !important;
  color: var(--text-secondary) !important;
  margin-bottom: -1px;
  padding: var(--spacing-md) var(--spacing-lg) !important;
}

.nav-tabs .nav-link:hover {
  color: var(--color-blue) !important;
  background: transparent !important;
}

.nav-tabs .nav-link.active {
  color: var(--color-blue) !important;
  border-bottom-color: var(--color-gold) !important;
  background: transparent !important;
}

/* ====================================
   Login Page
   ==================================== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.login-lang-switcher {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.login-lang-switcher .lang-option {
  color: var(--text-secondary);
}

.login-lang-switcher .lang-option:hover,
.login-lang-switcher .lang-option.active {
  color: var(--color-blue);
  background: rgba(30, 58, 95, 0.05);
}

.login-page::before {
  content: '';
  position: absolute;
  width: 150%;
  height: 150%;
  background:
    radial-gradient(circle at 30% 20%, rgba(201, 162, 39, 0.05) 0%, transparent 30%),
    radial-gradient(circle at 70% 80%, rgba(30, 58, 95, 0.05) 0%, transparent 30%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(2%, -2%) rotate(1deg); }
  50% { transform: translate(-1%, 2%) rotate(-1deg); }
  75% { transform: translate(-2%, -1%) rotate(0.5deg); }
}

.login-card {
  background: var(--color-white);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-top: 4px solid var(--color-gold);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  width: 100%;
  max-width: 420px;
  text-align: center;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
}

.login-logo {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: 2rem;
  color: var(--color-blue-dark);
  box-shadow: var(--shadow-gold);
}

.login-title {
  color: var(--color-blue);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.login-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.login-divider {
  display: flex;
  align-items: center;
  margin: var(--spacing-xl) 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

.login-divider span {
  padding: 0 var(--spacing-md);
}

.login-trust {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-blue);
  font-size: 0.75rem;
}

.login-esignature-link {
  margin-top: var(--spacing-lg);
  text-align: center;
}

.login-esignature-link a {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-blue);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.login-esignature-link a:hover {
  color: var(--color-gold);
}

.login-esignature-link svg {
  flex-shrink: 0;
}

/* ====================================
   Dashboard
   ==================================== */
.dashboard-header {
  margin-bottom: var(--spacing-xl);
}

.welcome-message {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-blue);
}

.welcome-subtitle {
  color: var(--text-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

/* ====================================
   Certificate Cards
   ==================================== */
.cert-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.cert-type-card {
  position: relative;
  padding: var(--spacing-xl);
  text-align: center;
}

.cert-type-card .cert-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto var(--spacing-lg);
  transition: transform var(--transition-normal);
}

.cert-type-card:hover .cert-icon {
  transform: scale(1.05);
}

.cert-type-card.document .cert-icon {
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-dark) 100%);
  box-shadow: var(--shadow-blue);
  color: var(--color-white);
}

.cert-type-card.code .cert-icon {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  box-shadow: var(--shadow-gold);
  color: var(--color-blue-dark);
}

.cert-type-card .cert-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-blue);
}

.cert-type-card .cert-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-lg);
}

.cert-type-card .cert-status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
}

.cert-status.active {
  background: rgba(40, 167, 69, 0.1);
  color: var(--color-success);
}

.cert-status.none {
  background: var(--bg-secondary);
  color: var(--text-muted);
}

.cert-status.expired {
  background: rgba(255, 193, 7, 0.1);
  color: #856404;
}

/* Certificate Details */
.cert-details {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.cert-detail-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-color);
}

.cert-detail-row:last-child {
  border-bottom: none;
}

.cert-detail-label {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.cert-detail-value {
  font-weight: 500;
  font-size: 0.875rem;
}

/* ====================================
   Timeline
   ==================================== */
.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--spacing-xl) + 4px);
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 2px solid var(--bg-primary);
}

.timeline-item.success::before { background: var(--color-success); }
.timeline-item.danger::before { background: var(--color-danger); }
.timeline-item.warning::before { background: var(--color-warning); }

.timeline-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.timeline-content {
  font-size: 0.875rem;
}

/* ====================================
   Empty States
   ==================================== */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.empty-state-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-state-description {
  font-size: 0.875rem;
  max-width: 400px;
  margin: 0 auto var(--spacing-lg);
}

/* ====================================
   Search
   ==================================== */
.search-wrapper {
  position: relative;
  max-width: 300px;
}

.search-wrapper .search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-wrapper .form-control {
  padding-left: 2.5rem;
}

/* ====================================
   Footer
   ==================================== */
.footer {
  background: var(--color-blue-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-xl) 0;
  margin-top: auto;
}

.footer a {
  color: var(--color-gold-light);
}

.footer a:hover {
  color: var(--color-gold);
}

.footer-brand {
  color: var(--color-white);
  font-weight: 600;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* ====================================
   Responsive Design
   ==================================== */
@media (max-width: 768px) {
  .navbar {
    padding: var(--spacing-sm) 0;
  }
  
  .user-info {
    display: none;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cert-type-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-actions {
    grid-template-columns: 1fr;
  }
  
  .table th,
  .table td {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
  }
  
  .modal-dialog {
    margin: var(--spacing-md);
  }
  
  .login-card {
    margin: var(--spacing-md);
    padding: var(--spacing-xl);
  }
  
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .trust-badges {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .btn-lg {
    width: 100%;
  }
}

/* ====================================
   Utility Classes
   ==================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-mono { font-family: var(--font-mono); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* HTMX Loading States */
.htmx-indicator {
  display: none;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  display: inline-block !important;
}

.htmx-request {
  opacity: 0.7;
  pointer-events: none;
}

.htmx-request .loading-indicator {
  display: inline-block !important;
}

.loading-indicator {
  display: none;
}