* { box-sizing: border-box; }

body {
  font-family: -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  background: #f3f4f6;
  margin: 0;
  padding: 40px 16px;
  color: #111827;
}

.card {
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  padding: 32px;
}

.logo-box { text-align: center; margin-bottom: 16px; }
.logo { max-width: 120px; width: 100%; height: auto; }

h1 { margin: 0; font-size: 1.5rem; }
h2 { font-size: 1.1rem; color: #374151; margin-top: 28px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.badge {
  background: #2563eb;
  color: #fff;
  font-size: .7rem;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}

a.logout {
  color: #6b7280;
  font-size: .9rem;
  text-decoration: none;
}
a.logout:hover { text-decoration: underline; }

.upload-box {
  border: 2px dashed #d1d5db;
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  margin: 20px 0 8px;
}

input[type=file] { display: block; margin: 0 auto 12px; }

button, .btn {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: .9rem;
}
button:hover, .btn:hover { background: #1d4ed8; }
button.danger { background: #dc2626; }
button.danger:hover { background: #b91c1c; }

table { width: 100%; border-collapse: collapse; margin-top: 8px; }
td, th {
  text-align: left;
  padding: 8px 4px;
  border-bottom: 1px solid #e5e7eb;
  font-size: .95rem;
}
td.actions { text-align: right; white-space: nowrap; }
td.actions form { display: inline-block; margin: 0; }

.login-form { display: flex; flex-direction: column; gap: 6px; margin-top: 16px; }
.login-form input {
  padding: 8px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 1rem;
}
.login-form label { font-size: .85rem; color: #374151; margin-top: 8px; }

.hint { color: #9ca3af; font-weight: normal; }

.error {
  background: #fee2e2;
  color: #991b1b;
  padding: 8px 12px;
  border-radius: 6px;
  margin-top: 12px;
}

.empty { color: #9ca3af; font-style: italic; }