/* ============================================
   Hub CLS Digital — Style Sheet
   Dark theme portal
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-body: #0a0a1a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #222240;
  --bg-header: rgba(10, 10, 26, 0.95);
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card: rgba(255, 255, 255, 0.08);
  --accent-azure: #22c55e;
  --accent-vpn: #64748b;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.45);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-header);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 2rem;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-logo {
  height: 40px;
  width: auto;
  filter: brightness(1.1);
}

.header-title-group {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.header-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-display {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
}

.user-name {
  color: var(--text-primary);
  font-weight: 500;
}

/* --- Stats Bar --- */
.stats-bar {
  max-width: 1400px;
  margin: 2rem auto 0;
  padding: 0 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 180px;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

.stat-icon {
  font-size: 1.5rem;
  opacity: 0.7;
}

/* --- Main Content --- */
.main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* --- Section --- */
.section {
  margin-bottom: 2.5rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.section-icon {
  font-size: 1.2rem;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}

.section-count {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
}

/* --- Card Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1rem;
}

/* --- Card --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

.card-accent {
  height: 3px;
  width: 100%;
}

.card-body {
  padding: 1.25rem;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  white-space: nowrap;
}

.badge-azure {
  background: rgba(34, 197, 94, 0.15);
  color: var(--accent-azure);
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.badge-vpn {
  background: rgba(100, 116, 139, 0.2);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

/* --- Card Links --- */
.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition);
  cursor: pointer;
}

.card-link:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
  transform: translateY(-1px);
}

.card-link-icon {
  font-size: 0.7rem;
  opacity: 0.6;
}

/* --- No Links State --- */
.card-no-links {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

/* --- Footer --- */
.footer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-logout {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition);
}

.footer-logout:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
}

/* --- Loading / Auth overlay --- */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-body);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.4s ease;
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: #6366f1;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  .header {
    padding: 0 1rem;
  }

  .header-inner {
    height: auto;
    flex-wrap: wrap;
    padding: 0.75rem 0;
    gap: 0.75rem;
  }

  .header-subtitle {
    display: none;
  }

  .stats-bar {
    padding: 0 1rem;
    margin-top: 1rem;
  }

  .stat-item {
    min-width: 140px;
    padding: 0.75rem 1rem;
  }

  .stat-number {
    font-size: 1.4rem;
  }

  .main {
    padding: 1rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    padding: 1.5rem 1rem;
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .header-title {
    font-size: 1.05rem;
  }

  .user-display {
    padding: 0.35rem 0.75rem;
    font-size: 0.78rem;
  }

  .stats-bar {
    flex-direction: column;
  }
}