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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-base);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
  background-color: rgba(59, 130, 246, 0.3);
  color: var(--text-primary);
}

/* Focus */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
}

/* Lists */
ul, ol {
  list-style: none;
}

/* Scrollbar — thin, dark, cross-browser */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--bg-border) transparent;
}

*::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

*::-webkit-scrollbar-thumb {
  background-color: var(--bg-border);
  border-radius: var(--radius-full);
}

*::-webkit-scrollbar-thumb:hover {
  background-color: var(--text-muted);
}

/* Typography utilities */
.font-mono {
  font-family: var(--font-mono);
}

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

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: 0.08em; }
.tracking-wider { letter-spacing: 0.12em; }
.tracking-widest { letter-spacing: 0.2em; }

/* Dividers */
.divider {
  height: 1px;
  background: var(--bg-border);
  margin: var(--space-4) 0;
}

/* Utility classes */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.w-full { width: 100%; }
.min-w-0 { min-width: 0; }
.overflow-hidden { overflow: hidden; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-12) var(--space-6);
  color: var(--text-muted);
  text-align: center;
}

.empty-state-icon {
  font-size: 48px;
  opacity: 0.4;
  display: block;
}

.empty-state-title {
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--text-secondary);
}

.empty-state-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 280px;
}

/* Loading state */
.loading-shimmer {
  background: linear-gradient(
    90deg,
    var(--bg-surface) 0%,
    var(--bg-elevated) 50%,
    var(--bg-surface) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
  border-radius: var(--radius-md);
}

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

/* Error state */
.error-banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--sev-critical-bg);
  border: 1px solid var(--sev-critical-border);
  border-radius: var(--radius-md);
  color: var(--sev-critical);
  font-size: var(--text-sm);
}