/* FreightEx.EU - User ID Modern Design 2025 */
/* Mobile-first респонсив дизайн за user ID визуализация */
/* Оптимизиран за модерни браузъри с CSS Grid и Flexbox */

/* ===== CSS VARIABLES - FreightEx.EU Branding ===== */
:root {
  /* Primary Brand Colors */
  --user-primary: #2563eb;
  --user-primary-hover: #1e40af;
  --user-primary-light: rgba(37, 99, 235, 0.1);
  --user-primary-ultra-light: rgba(37, 99, 235, 0.05);
  
  /* Secondary Colors */
  --user-secondary: #10b981;
  --user-secondary-hover: #059669;
  --user-accent: #e63946;
  --user-orange: #f77f00;
  --user-purple: #8b5cf6;
  --user-pink: #ec4899;
  
  /* Text Colors */
  --user-text-primary: #0b0f16;
  --user-text-secondary: #64748b;
  --user-text-muted: #94a3b8;
  --user-text-inverse: #ffffff;
  
  /* Background Colors */
  --user-bg-primary: #ffffff;
  --user-bg-secondary: #f8fafc;
  --user-bg-accent: #f1f5f9;
  --user-bg-hover: rgba(37, 99, 235, 0.08);
  --user-bg-gradient: linear-gradient(135deg, var(--user-primary), var(--user-secondary));
  
  /* Border Colors */
  --user-border-light: #e2e8f0;
  --user-border-medium: #cbd5e1;
  --user-border-focus: #3b82f6;
  
  /* Shadows */
  --user-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --user-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --user-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --user-shadow-xl: 0 20px 25px -5px rgba(37, 99, 235, 0.15);
  --user-shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);
  
  /* Spacing Scale */
  --user-space-xs: 0.25rem;   /* 4px */
  --user-space-sm: 0.5rem;    /* 8px */
  --user-space-md: 0.75rem;   /* 12px */
  --user-space-lg: 1rem;      /* 16px */
  --user-space-xl: 1.5rem;    /* 24px */
  --user-space-2xl: 2rem;     /* 32px */
  --user-space-3xl: 3rem;     /* 48px */
  
  /* Border Radius */
  --user-radius-sm: 0.375rem;  /* 6px */
  --user-radius-md: 0.5rem;    /* 8px */
  --user-radius-lg: 0.75rem;   /* 12px */
  --user-radius-xl: 1rem;      /* 16px */
  --user-radius-2xl: 1.5rem;   /* 24px */
  --user-radius-full: 9999px;  /* Full circle */
  
  /* Typography */
  --user-font-xs: 0.75rem;     /* 12px */
  --user-font-sm: 0.875rem;    /* 14px */
  --user-font-base: 1rem;      /* 16px */
  --user-font-lg: 1.125rem;    /* 18px */
  --user-font-xl: 1.25rem;     /* 20px */
  --user-font-2xl: 1.5rem;     /* 24px */
  
  /* Transitions */
  --user-transition-fast: 0.15s ease-out;
  --user-transition-base: 0.2s ease-out;
  --user-transition-slow: 0.3s ease-out;
  --user-transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== USER ID CONTAINER ===== */
.user-id-container {
  position: relative;
  display: inline-block;
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* ===== USER ID BADGE ===== */
.user-id-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--user-space-sm);
  padding: var(--user-space-sm) var(--user-space-md);
  background: linear-gradient(135deg, var(--user-primary-light), var(--user-primary-ultra-light));
  border: 1px solid var(--user-border-light);
  border-radius: var(--user-radius-full);
  font-size: var(--user-font-sm);
  font-weight: 600;
  color: var(--user-primary);
  transition: all var(--user-transition-base);
  cursor: default;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.user-id-badge::before {
  content: "👤";
  font-size: var(--user-font-xs);
  opacity: 0.8;
}

.user-id-badge::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  transition: left var(--user-transition-slow);
}

.user-id-badge:hover::after {
  left: 100%;
}

.user-id-badge:hover {
  background: var(--user-bg-gradient);
  color: var(--user-text-inverse);
  border-color: var(--user-primary);
  transform: translateY(-1px) scale(1.05);
  box-shadow: var(--user-shadow-glow);
}

/* ===== USER LINK STYLES ===== */
.user-link {
  display: inline-flex;
  align-items: center;
  gap: var(--user-space-sm);
  padding: var(--user-space-sm) var(--user-space-lg);
  background: var(--user-bg-primary);
  border: 1px solid var(--user-border-light);
  border-radius: var(--user-radius-2xl);
  color: var(--user-primary);
  text-decoration: none;
  font-weight: 700;
  font-size: var(--user-font-base);
  transition: all var(--user-transition-base);
  position: relative;
  overflow: hidden;
}

.user-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left var(--user-transition-slow);
}

.user-link:hover::before {
  left: 100%;
}

.user-link:hover {
  background: var(--user-bg-gradient);
  color: var(--user-text-inverse);
  border-color: var(--user-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--user-shadow-xl);
}

.user-link:active {
  transform: translateY(0);
  transition: transform var(--user-transition-fast);
}

/* User Avatar in Link */
.user-link-avatar {
  width: 24px;
  height: 24px;
  background: var(--user-bg-gradient);
  border-radius: var(--user-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--user-text-inverse);
  font-size: var(--user-font-xs);
  font-weight: 700;
  flex-shrink: 0;
}

.user-link:hover .user-link-avatar {
  background: rgba(255, 255, 255, 0.2);
}

/* ===== USER CARD STYLES ===== */
.user-card {
  background: var(--user-bg-primary);
  border: 1px solid var(--user-border-light);
  border-radius: var(--user-radius-2xl);
  padding: var(--user-space-xl);
  margin: var(--user-space-lg) 0;
  box-shadow: var(--user-shadow-sm);
  transition: all var(--user-transition-base);
  position: relative;
  overflow: hidden;
}

.user-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--user-bg-gradient);
  transform: scaleX(0);
  transition: transform var(--user-transition-base);
}

.user-card:hover::before {
  transform: scaleX(1);
}

.user-card:hover {
  border-color: var(--user-border-medium);
  box-shadow: var(--user-shadow-lg);
  transform: translateY(-4px);
}

/* User Card Header */
.user-card-header {
  display: flex;
  align-items: center;
  gap: var(--user-space-lg);
  margin-bottom: var(--user-space-xl);
}

.user-avatar {
  width: 56px;
  height: 56px;
  background: var(--user-bg-gradient);
  border-radius: var(--user-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--user-text-inverse);
  font-size: var(--user-font-xl);
  font-weight: 700;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.user-avatar::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform var(--user-transition-slow);
}

.user-card:hover .user-avatar::before {
  transform: translateX(100%);
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: var(--user-font-lg);
  font-weight: 700;
  color: var(--user-text-primary);
  margin: 0 0 var(--user-space-xs) 0;
  line-height: 1.2;
}

.user-username {
  font-size: var(--user-font-sm);
  color: var(--user-text-secondary);
  font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace;
  margin: 0 0 var(--user-space-xs) 0;
}

.user-id-display {
  font-size: var(--user-font-xs);
  color: var(--user-text-muted);
  font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace;
}

/* ===== RESPONSIVE DESIGN - Mobile First ===== */

/* Mobile (default) - 320px+ */
.user-link {
  font-size: var(--user-font-sm);
  padding: var(--user-space-sm) var(--user-space-md);
}

.user-card {
  padding: var(--user-space-lg);
  margin: var(--user-space-md) 0;
}

.user-avatar {
  width: 44px;
  height: 44px;
  font-size: var(--user-font-lg);
}

.user-name {
  font-size: var(--user-font-base);
}

/* Small Mobile - 375px+ */
@media (min-width: 375px) {
  .user-link {
    font-size: var(--user-font-base);
    padding: var(--user-space-md) var(--user-space-lg);
  }
  
  .user-avatar {
    width: 48px;
    height: 48px;
  }
}

/* Large Mobile - 425px+ */
@media (min-width: 425px) {
  .user-card {
    padding: var(--user-space-xl);
  }

  .user-avatar {
    width: 56px;
    height: 56px;
    font-size: var(--user-font-xl);
  }

  .user-name {
    font-size: var(--user-font-lg);
  }
}

/* Tablet - 768px+ */
@media (min-width: 768px) {
  .user-link {
    font-size: var(--user-font-lg);
    padding: var(--user-space-lg) var(--user-space-xl);
  }

  .user-card {
    padding: var(--user-space-2xl);
    margin: var(--user-space-xl) 0;
  }

  .user-avatar {
    width: 64px;
    height: 64px;
    font-size: var(--user-font-2xl);
  }

  .user-name {
    font-size: var(--user-font-xl);
  }
}

/* Desktop - 1024px+ */
@media (min-width: 1024px) {
  .user-link:hover {
    transform: translateY(-3px);
  }

  .user-card:hover {
    transform: translateY(-6px);
  }

  .user-avatar {
    width: 72px;
    height: 72px;
  }
}

/* ===== USER TABLE STYLES ===== */
.user-table-container {
  background: var(--user-bg-primary);
  border: 1px solid var(--user-border-light);
  border-radius: var(--user-radius-xl);
  overflow: hidden;
  box-shadow: var(--user-shadow-sm);
  margin: var(--user-space-lg) 0;
}

.user-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--user-font-sm);
}

.user-table thead th {
  background: var(--user-bg-secondary);
  color: var(--user-text-secondary);
  font-weight: 600;
  font-size: var(--user-font-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--user-space-lg);
  text-align: left;
  border-bottom: 1px solid var(--user-border-light);
  position: sticky;
  top: 0;
  z-index: 10;
}

.user-table tbody td {
  padding: var(--user-space-lg);
  border-bottom: 1px solid var(--user-border-light);
  vertical-align: middle;
  transition: background-color var(--user-transition-base);
}

.user-table tbody tr:hover {
  background: var(--user-bg-hover);
}

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

/* User ID Cell */
.user-id-cell {
  font-family: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace;
  font-weight: 600;
  color: var(--user-primary);
  background: var(--user-primary-ultra-light);
  border-radius: var(--user-radius-md);
  padding: var(--user-space-xs) var(--user-space-sm);
  display: inline-block;
  min-width: 60px;
  text-align: center;
}

/* ===== USER ROLE INDICATORS ===== */
.user-role {
  display: inline-flex;
  align-items: center;
  gap: var(--user-space-xs);
  padding: var(--user-space-xs) var(--user-space-sm);
  border-radius: var(--user-radius-full);
  font-size: var(--user-font-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.user-role.admin {
  background: rgba(16, 185, 129, 0.1);
  color: var(--user-secondary);
}

.user-role.user {
  background: rgba(37, 99, 235, 0.1);
  color: var(--user-primary);
}

.user-role.moderator {
  background: rgba(139, 92, 246, 0.1);
  color: var(--user-purple);
}

.user-role::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ===== USER STATUS INDICATORS ===== */
.user-status {
  display: inline-flex;
  align-items: center;
  gap: var(--user-space-xs);
  padding: var(--user-space-xs) var(--user-space-sm);
  border-radius: var(--user-radius-full);
  font-size: var(--user-font-xs);
  font-weight: 600;
}

.user-status.online {
  background: rgba(16, 185, 129, 0.1);
  color: var(--user-secondary);
}

.user-status.offline {
  background: rgba(148, 163, 184, 0.1);
  color: var(--user-text-muted);
}

.user-status.away {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
}

.user-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ===== USER ACTIONS ===== */
.user-actions {
  display: flex;
  gap: var(--user-space-sm);
  align-items: center;
}

.user-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--user-bg-secondary);
  border: 1px solid var(--user-border-light);
  border-radius: var(--user-radius-md);
  color: var(--user-text-secondary);
  text-decoration: none;
  transition: all var(--user-transition-base);
  cursor: pointer;
}

.user-action-btn:hover {
  background: var(--user-primary);
  color: var(--user-text-inverse);
  border-color: var(--user-primary);
  transform: translateY(-1px);
  box-shadow: var(--user-shadow-md);
}

/* ===== ACCESSIBILITY & FOCUS STATES ===== */
.user-link:focus,
.user-id-badge:focus,
.user-action-btn:focus {
  outline: 2px solid var(--user-border-focus);
  outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
  .user-link,
  .user-card {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }

  .user-link::before,
  .user-avatar::before {
    display: none;
  }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  .user-link,
  .user-card,
  .user-id-badge,
  .user-action-btn {
    transition: none;
  }

  .user-link::before,
  .user-avatar::before {
    display: none;
  }

  .user-status::before {
    animation: none;
  }
}