* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --dark-950: #0a0a0f; --dark-900: #0d0d16; --dark-800: #12121f;
  --dark-700: #1a1a2e; --dark-500: #3a3a5c; --dark-400: #6b6b8d;
  --dark-300: #9c9cb8; --neon-400: #3affd7; --neon-500: #00e5b0;
}
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--dark-950); color: white; min-height: 100vh; }
.bg-dark { background: var(--dark-950); }
.bg-grid-overlay { position: fixed; inset: 0; background-image: linear-gradient(rgba(58,255,215,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(58,255,215,0.03) 1px, transparent 1px); background-size: 40px 40px; pointer-events: none; }
.glow-circle { position: fixed; width: 400px; height: 400px; border-radius: 50%; background: rgba(0, 229, 176, 0.05); filter: blur(100px); top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none; }
.glow-circle.emerald { background: rgba(16, 185, 129, 0.08); }
.logo-icon { width: 60px; height: 60px; margin: 0 auto; border-radius: 16px; background: linear-gradient(135deg, var(--neon-500), var(--neon-400)); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.5rem; color: var(--dark-950); }
.input-field { width: 100%; padding: 12px 16px; background: rgba(18, 18, 31, 0.8); border: 2px solid #1a1a2e; border-radius: 12px; color: white; font-size: 1rem; outline: none; transition: all 0.2s; }
.input-field:focus { border-color: rgba(58, 255, 215, 0.5); }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: 12px; background: linear-gradient(135deg, var(--neon-500), var(--neon-400)); color: var(--dark-950); font-weight: 600; border: none; cursor: pointer; transition: all 0.2s; text-decoration: none; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-secondary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 12px; background: transparent; border: 1px solid #1a1a2e; color: #9c9cb8; cursor: pointer; transition: all 0.2s; text-decoration: none; }
.btn-secondary:hover { border-color: #3a3a5c; color: white; }
.btn-danger { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 12px; background: #dc2626; color: white; font-weight: 600; border: none; cursor: pointer; }
.error-box { padding: 10px 16px; background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); border-radius: 10px; color: #fca5a5; font-size: 0.875rem; }
.success-message { padding: 12px 16px; background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.3); border-radius: 10px; color: #6ee7b7; font-size: 0.875rem; }
.stat-card { background: rgba(18, 18, 31, 0.5); border: 1px solid rgba(26, 26, 46, 0.5); border-radius: 12px; padding: 24px; text-align: center; color: var(--dark-400); font-size: 0.875rem; }
.stat-number { display: block; font-size: 2rem; font-weight: 700; color: white; margin-bottom: 4px; }
.status-badge { display: inline-flex; padding: 2px 10px; border-radius: 20px; font-size: 0.75rem; border: 1px solid; }
.status-badge.completed { background: rgba(16, 185, 129, 0.1); color: #6ee7b7; border-color: rgba(16, 185, 129, 0.3); }
.status-badge.in_progress, .status-badge.verified, .status-badge.consented { background: rgba(245, 158, 11, 0.1); color: #fcd34d; border-color: rgba(245, 158, 11, 0.3); }
.min-h-screen { min-height: 100vh; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.text-center { text-align: center; }
.relative { position: relative; }
.z-10 { z-index: 10; }
.fixed { position: fixed; }
.inset-0 { inset: 0; }
.top-0 { top: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-sm { max-width: 24rem; }
.max-w-lg { max-width: 32rem; }
.max-w-6xl { max-width: 72rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-3 { padding: 0.75rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.flex-1 { flex: 1; }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-6xl { font-size: 3.75rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-mono { font-family: monospace; }
.tracking-widest { letter-spacing: 0.1em; }
.uppercase { text-transform: uppercase; }
.text-white { color: white; }
.text-dark-300 { color: var(--dark-300); }
.text-dark-400 { color: var(--dark-400); }
.text-dark-500 { color: var(--dark-500); }
.text-neon-400 { color: var(--neon-400); }
.text-red-400 { color: #f87171; }
.text-emerald-400 { color: #6ee7b7; }
.border-b { border-bottom: 1px solid; }
.border-dark-700 { border-color: #1a1a2e; }
.border-dark-700\/50 { border-color: rgba(26, 26, 46, 0.5); }
.bg-dark-800 { background: var(--dark-800); }
.bg-dark-800\/50 { background: rgba(18, 18, 31, 0.5); }
.bg-dark-800\/90 { background: rgba(18, 18, 31, 0.9); }
.bg-dark-900 { background: var(--dark-900); }
.bg-dark-900\/30 { background: rgba(13, 13, 22, 0.3); }
.bg-dark-950\/70 { background: rgba(10, 10, 15, 0.7); }
.border-r { border-right: 1px solid; }
.border-dark-700 { border-color: #1a1a2e; }
.rounded-2xl { border-radius: 1rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-lg { border-radius: 0.5rem; }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.object-cover { object-fit: cover; }
.inline-block { display: inline-block; }
.grid { display: grid; }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.hidden { display: none; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.inline-flex { display: inline-flex; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; }
a { text-decoration: none; }
.scale-x-\[-1\] { transform: scaleX(-1); }
.aspect-video { aspect-ratio: 16 / 9; }
.border-l { border-left: 1px solid; }
.border-t { border-top: 1px solid; }