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

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: #f5f5f5;
  color: #222;
  min-height: 100vh;
}

/* Nav */
nav {
  background: #fff;
  border-bottom: 1px solid #ddd;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

nav .brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: #222;
  text-decoration: none;
}

nav a {
  color: #2563eb;
  text-decoration: none;
  font-size: 0.9rem;
}

nav a:hover { text-decoration: underline; }

nav .spacer { flex: 1; }

/* Main content */
#app {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* Cards */
.card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.auth-card {
  max-width: 400px;
  margin: 3rem auto;
}

.auth-card h2 {
  margin-bottom: 1rem;
}

/* Forms */
label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: #555;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

textarea {
  width: 100%;
  height: 220px;
  font-family: monospace;
  font-size: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 0.5rem;
  resize: vertical;
}

/* Buttons */
.btn {
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.4rem;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 500;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
}

.btn-primary:disabled { background: #93b4f5; cursor: not-allowed; }
.btn-primary:not(:disabled):hover { background: #1d4ed8; }

.btn-danger {
  background: #dc2626;
  color: #fff;
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
}

.btn-danger:hover { background: #b91c1c; }

.btn-sm {
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
}

/* Form helpers */
.form-error {
  color: #dc2626;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.auth-links {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
}

.auth-links a { color: #2563eb; text-decoration: none; }
.auth-links a:hover { text-decoration: underline; }

/* File upload */
.file-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.6rem;
}

.file-row input[type="file"] { font-size: 0.85rem; }
.file-row span { font-size: 0.8rem; color: #666; }

/* Format row */
.format-row {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.format-row label {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9rem;
  font-weight: 400;
  color: #222;
  margin: 0;
  cursor: pointer;
}

/* Status badges */
.status-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.badge-accept { background: #dcfce7; color: #166534; }
.badge-reject { background: #fee2e2; color: #991b1b; }
.badge-error  { background: #fef9c3; color: #713f12; }

.http-status { font-size: 0.85rem; color: #666; }

/* Results */
pre#text-result {
  font-family: monospace;
  font-size: 0.8rem;
  background: #f8f8f8;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 1rem;
  overflow: auto;
  max-height: 600px;
  white-space: pre-wrap;
  word-break: break-all;
}

.json-key    { color: #0550ae; }
.json-string { color: #116329; }
.json-number { color: #953800; }
.json-bool   { color: #8250df; }
.json-null   { color: #cf222e; }

/* Toggle */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 400;
  color: #222;
}

/* Inline form */
.inline-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.inline-form input { flex: 1; margin-bottom: 0; }

/* Data table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid #eee;
}

.data-table th { color: #555; font-weight: 500; }

/* Alert */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.alert-info {
  background: #dbeafe;
  color: #1e40af;
}

.alert code {
  display: block;
  margin-top: 0.4rem;
  word-break: break-all;
  font-size: 0.8rem;
}

h2 { font-size: 1.3rem; font-weight: 600; margin-bottom: 1rem; }
h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.75rem; }