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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0f1117;
  color: #e4e4e7;
  min-height: 100vh;
  padding: 2rem 1rem;
}

.container {
  max-width: 640px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

header h1 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: #71717a;
  font-size: 0.9rem;
}

.card {
  background: #1a1b23;
  border: 1px solid #27272a;
  border-radius: 12px;
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #a1a1aa;
  margin-bottom: 0.5rem;
}

select, input[type="text"] {
  width: 100%;
  padding: 0.7rem 1rem;
  background: #09090b;
  border: 1px solid #3f3f46;
  border-radius: 8px;
  color: #e4e4e7;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

select:focus, input[type="text"]:focus {
  border-color: #6366f1;
}

.drop-zone {
  border: 2px dashed #3f3f46;
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: #6366f1;
  background: rgba(99, 102, 241, 0.05);
}

.drop-zone-text .drop-icon {
  font-size: 2rem;
}

.drop-zone-text p {
  margin-top: 0.5rem;
  color: #71717a;
}

.drop-zone-text .small {
  font-size: 0.8rem;
}

.file-name {
  padding: 0.5rem;
  background: #09090b;
  border-radius: 6px;
  font-size: 0.85rem;
  color: #6366f1;
  margin-top: 0.5rem;
}

.btn {
  width: 100%;
  padding: 0.8rem;
  background: #6366f1;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 0.5rem;
}

.btn:hover:not(:disabled) {
  opacity: 0.9;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-secondary {
  background: #27272a;
  margin-top: 1.5rem;
}

.btn-secondary:hover {
  background: #3f3f46;
}

.error {
  color: #ef4444;
  font-size: 0.85rem;
  margin-top: 0.75rem;
  text-align: center;
}

.hidden {
  display: none !important;
}

/* Loading */
#loading {
  text-align: center;
  padding: 3rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #27272a;
  border-top-color: #6366f1;
  border-radius: 50%;
  margin: 0 auto 1rem;
  animation: spin 0.8s linear infinite;
}

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

/* Results */
.results-card {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.verdict-badge {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

.verdict-badge.clean {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #22c55e;
}

.verdict-badge.suspicious {
  background: rgba(234, 179, 8, 0.1);
  border: 1px solid rgba(234, 179, 8, 0.3);
  color: #eab308;
}

.verdict-badge.flagged {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

h3 {
  font-size: 0.9rem;
  color: #a1a1aa;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meta-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

.meta-table td {
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  border-bottom: 1px solid #27272a;
}

.meta-table td:first-child {
  color: #71717a;
  font-weight: 500;
  width: 40%;
}

.meta-table td:last-child {
  color: #e4e4e7;
  word-break: break-all;
}

.meta-table tr.flagged-row td {
  background: rgba(239, 68, 68, 0.08);
}

.meta-table tr.flagged-row td:last-child {
  color: #ef4444;
}

.flags-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.flag-item {
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}

.flag-item .flag-field {
  font-weight: 600;
  color: #ef4444;
  font-size: 0.8rem;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.flag-item .flag-value {
  color: #e4e4e7;
  font-size: 0.85rem;
  font-family: monospace;
  margin-bottom: 0.25rem;
}

.flag-item .flag-reason {
  color: #a1a1aa;
  font-size: 0.8rem;
  font-style: italic;
}

/* Mobile */
@media (max-width: 480px) {
  body { padding: 1rem 0.5rem; }
  .card { padding: 1rem; }
  header h1 { font-size: 1.4rem; }
}