* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', sans-serif;
  background: #f8fafc;
  color: #1e293b;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  text-align: center;
  margin-bottom: 2rem;
  color: #0f172a;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

header p {
  color: #64748b;
  font-size: 1.1rem;
}

.actions {
  text-align: center;
  margin: 2rem 0;
}

.btn-primary {
  padding: 12px 32px;
  font-size: 1.1rem;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

.btn-primary:hover { background: #2563eb; }
.btn-primary:disabled { background: #94a3b8; cursor: not-allowed; }

#status {
  margin-left: 1rem;
  font-weight: 600;
  color: #059669;
}

.table-container {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  overflow: hidden;
}

h2 {
  padding: 1.5rem;
  background: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
  font-size: 1.3rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

th {
  background: #f8fafc;
  font-weight: 600;
  color: #475569;
}

tr:hover {
  background: #f8fafc;
}

.btn-small {
  padding: 6px 12px;
  margin: 0 4px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-download {
  background: #10b981;
  color: white;
}

.btn-delete {
  background: #ef4444;
  color: white;
}

.empty {
  text-align: center;
  padding: 3rem;
  color: #94a3b8;
  font-style: italic;
}