/* TrustLoop Shared Design System */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --ink: #0a0a0f;
  --chalk: #fafaf9;
  --accent: #22c55e;
  --accent-dim: #16a34a;
  --accent-glow: rgba(34, 197, 94, 0.15);
  --muted: #71717a;
  --muted-light: #a1a1aa;
  --surface: #18181b;
  --surface-2: #27272a;
  --surface-3: #303036;
  --border: #3f3f46;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--ink);
  color: var(--chalk);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
}

/* Grain texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--chalk); }

/* ─── Navigation ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--chalk);
  text-decoration: none;
}

.nav-brand span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--chalk); }

.nav-links a.active { color: var(--accent); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--chalk);
  cursor: pointer;
  transition: all 0.2s;
}

.btn:hover {
  background: var(--surface-2);
  border-color: var(--muted);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--accent-dim);
  border-color: var(--accent-dim);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
}

/* ─── Inputs ─── */
.input {
  padding: 0.65rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--chalk);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.input:focus {
  border-color: var(--accent);
}

.input::placeholder {
  color: var(--muted);
}

/* ─── Cards ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.card:hover {
  border-color: var(--muted);
}

/* ─── Score Ring ─── */
.score-ring {
  position: relative;
  width: 120px;
  height: 120px;
}

.score-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.score-ring-bg {
  fill: none;
  stroke: var(--surface-2);
  stroke-width: 8;
}

.score-ring-fill {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s ease-out;
}

.score-ring-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
}

/* ─── Score Bar ─── */
.score-bar {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.score-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.score-bar-label {
  font-size: 0.85rem;
  color: var(--muted-light);
}

.score-bar-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
}

.score-bar-track {
  height: 6px;
  background: var(--surface-2);
  border-radius: 3px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 1s ease-out;
}

/* Score colors */
.score-excellent { color: var(--accent); }
.score-excellent .score-ring-fill { stroke: var(--accent); }
.score-excellent .score-bar-fill { background: var(--accent); }

.score-good { color: #84cc16; }
.score-good .score-ring-fill { stroke: #84cc16; }
.score-good .score-bar-fill { background: #84cc16; }

.score-fair { color: var(--warning); }
.score-fair .score-ring-fill { stroke: var(--warning); }
.score-fair .score-bar-fill { background: var(--warning); }

.score-poor { color: var(--danger); }
.score-poor .score-ring-fill { stroke: var(--danger); }
.score-poor .score-bar-fill { background: var(--danger); }

/* ─── Verified Badge ─── */
.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  padding: 0.25rem 0.6rem;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 3px;
}

/* ─── Layout ─── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.page-content {
  padding: 2rem 0 4rem;
}

/* ─── Footer ─── */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
}

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

/* ─── Empty State ─── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--muted);
}

.empty-state h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--chalk);
}

/* ─── Loading ─── */
.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ─── Tags ─── */
.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted-light);
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .container { padding: 0 1rem; }
  .nav { padding: 0.75rem 1rem; }
  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}