frontend/src/styles/components.css

/* ── Theme variables ─────────────────────────────────────────────── */

:root[data-theme="light"] {
  /* Warm cream canvas so white surfaces/controls read clearly */
  --bg-primary: #FAF7F1;
  --bg-secondary: #F3EEE6;
  --bg-tertiary: #EBE4D8;
  --bg-gradient: linear-gradient(165deg, #FBF8F3 0%, #F5EFE6 55%, #F0E9DF 100%);

  --text-primary: #1A1714;
  --text-secondary: #4A453E;
  --text-tertiary: #6A645C;
  --text-muted: #6A645C;

  --accent-primary: #5558E3;
  --accent-secondary: #7C4FE8;
  --accent-gradient: linear-gradient(135deg, #5558E3, #7C4FE8);
  --accent-light: #EDEBFA;

  /* Soft surfaces — brand color lives on accents/chips, not big washes */
  --neon-accent: #7C4FE8;
  --neon-bg: #FFFFFF;
  --neon-border: #C9BCEF;

  --comp-bg: #FFFFFF;
  --comp-border: #C2D2EA;

  --query-accent: #0D9668;

  --border-primary: #DDD5C8;
  --border-muted: #E8E1D6;

  --shadow-sm: 0 1px 2px rgba(40, 30, 10, 0.06);
  --shadow-md: 0 4px 10px -2px rgba(40, 30, 10, 0.08), 0 2px 4px -2px rgba(40, 30, 10, 0.05);
  --shadow-lg: 0 12px 24px -6px rgba(40, 30, 10, 0.12), 0 4px 8px -4px rgba(40, 30, 10, 0.06);

  --card-bg: #FFFFFF;
  --card-hover: #F7F3EC;
  --sidebar-bg: #E8E0D4;
  /* Soft cream chrome — lighter than the page wash, not white like cards */
  --header-bg: #FBF9F5;

  --provider-fireworks: #F97316;
  --provider-openai: #10A37F;
  --provider-gemini: #4285F4;
  --provider-neon: #7C4FE8;

  --font-body: 15px;
  --font-sm: 13px;
  --font-xs: 12px;
  --font-lg: 18px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --focus-ring: 0 0 0 2px var(--card-bg), 0 0 0 4px var(--accent-primary);
}

:root[data-theme="dark"] {
  --bg-primary: #1F2937;
  --bg-secondary: #111827;
  --bg-tertiary: #374151;
  --bg-gradient: linear-gradient(135deg, #1F2937 0%, #111827 50%, #374151 100%);

  --text-primary: #F9FAFB;
  --text-secondary: #D1D5DB;
  --text-tertiary: #9CA3AF;
  --text-muted: #7C8595;

  --accent-primary: #818CF8;
  --accent-secondary: #A78BFA;
  --accent-gradient: linear-gradient(135deg, #818CF8, #A78BFA);
  --accent-light: #312E81;

  --neon-accent: #A78BFA;
  --neon-bg: #1F2937;
  --neon-border: #8B77C0;

  --comp-bg: #1F2937;
  --comp-border: #3D5A80;

  --query-accent: #34D399;

  --border-primary: #374151;
  --border-muted: #1F2937;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);

  --card-bg: #1F2937;
  --card-hover: #374151;
  --sidebar-bg: #151B26;
  --header-bg: #1A2332;

  --provider-fireworks: #FB923C;
  --provider-openai: #34D399;
  --provider-gemini: #60A5FA;
  --provider-neon: #A78BFA;

  --font-body: 15px;
  --font-sm: 13px;
  --font-xs: 12px;
  --font-lg: 18px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --focus-ring: 0 0 0 2px var(--card-bg), 0 0 0 4px var(--accent-primary);
}

/* ── Base reset ─────────────────────────────────────────────────── */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  font-size: var(--font-body);
  background: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Focus + a11y ───────────────────────────────────────────────── */

:focus {
  outline: none;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  box-shadow: var(--focus-ring);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .spin {
    animation: none !important;
  }
}

/* ── Utility ────────────────────────────────────────────────────── */

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-primary);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, border-color 0.2s;
}

:root[data-theme="light"] .card {
  box-shadow: var(--shadow-md);
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--card-bg);
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge-neon {
  color: var(--provider-neon);
  border-color: var(--neon-border);
}

.badge-comp {
  color: var(--text-secondary);
  border-color: var(--comp-border);
}

.badge-fireworks {
  color: var(--provider-fireworks);
  border-color: color-mix(in srgb, var(--provider-fireworks) 40%, var(--border-primary));
}

.badge-openai {
  color: var(--provider-openai);
  border-color: color-mix(in srgb, var(--provider-openai) 40%, var(--border-primary));
}

.badge-gemini {
  color: var(--provider-gemini);
  border-color: color-mix(in srgb, var(--provider-gemini) 40%, var(--border-primary));
}

:root[data-theme="dark"] .badge {
  background: var(--bg-tertiary);
}

button {
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #FFFFFF;
  border: none;
  font-weight: 600;
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
  font-weight: 500;
}

.btn-secondary:hover {
  background: var(--card-hover);
  color: var(--text-primary);
}

.skeleton-block {
  border-radius: 8px;
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 0%,
    var(--card-hover) 50%,
    var(--bg-tertiary) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.2s ease-in-out infinite;
}

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

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  padding: var(--space-3);
  border: 1px dashed var(--border-primary);
  border-radius: 12px;
  background: var(--card-bg);
  box-shadow: var(--shadow-sm);
}

.empty-state-title {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.empty-state-body {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.55;
}

/* ── Scrollbar ──────────────────────────────────────────────────── */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}