* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  background: #f5f7fa;
  color: #222;
  font-size: 14px;
  line-height: 1.6;
}

.admin-header {
  background: #2c3e50;
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-header h1 {
  margin: 0;
  font-size: 18px;
}

.admin-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.auth-status {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 12px;
  background: #e74c3c;
  color: #fff;
}

.auth-status.connected {
  background: #27ae60;
}

.admin-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

.card {
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  padding: 16px 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.card h2 {
  margin: 0 0 12px 0;
  font-size: 15px;
  color: #2c3e50;
  border-bottom: 1px solid #eee;
  padding-bottom: 8px;
}

.hint {
  font-size: 12px;
  color: #666;
  margin: 4px 0 12px 0;
}

.hint code {
  background: #f4f4f4;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 11px;
}

.hint a {
  color: #1a4f8a;
  text-decoration: none;
}

.hint a:hover {
  text-decoration: underline;
}

.form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.form-row label {
  flex: 0 0 200px;
  font-size: 13px;
}

.form-row input {
  flex: 1 1 auto;
  max-width: 120px;
}

input[type="text"],
input[type="url"],
input[type="password"],
input[type="number"] {
  padding: 6px 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 13px;
  font-family: inherit;
}

input[type="text"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: #1a4f8a;
  box-shadow: 0 0 0 2px rgba(26,79,138,0.15);
}

#form-auth {
  display: flex;
  gap: 8px;
}

#form-auth input {
  flex: 1 1 auto;
}

.btn {
  padding: 7px 16px;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: #1a4f8a;
  color: #fff;
}

.btn-primary:hover { background: #143d6b; }

.btn-secondary {
  background: #ecf0f1;
  color: #2c3e50;
  border: 1px solid #d0d7de;
}

.btn-secondary:hover { background: #dde4e8; }

.btn-danger {
  background: #e74c3c;
  color: #fff;
}

.btn-danger:hover { background: #c0392b; }

.feeds-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
}

.feeds-table th,
.feeds-table td {
  padding: 8px 6px;
  border-bottom: 1px solid #eee;
  text-align: left;
  font-size: 13px;
}

.feeds-table th {
  background: #f8f9fa;
  font-weight: 600;
  color: #555;
  font-size: 12px;
}

.feeds-table input[type="text"],
.feeds-table input[type="url"] {
  width: 100%;
  max-width: none;
}

.feeds-table input[type="color"] {
  width: 36px;
  height: 28px;
  border: 1px solid #ccc;
  border-radius: 3px;
  cursor: pointer;
  padding: 0;
}

.actions-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.error {
  color: #c0392b;
  font-size: 12px;
  padding: 8px 12px;
  background: #fdecea;
  border-radius: 4px;
  margin: 8px 0 0 0;
}

.status {
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 4px;
  margin: 12px 0 0 0;
}

.status.success {
  color: #1e7e34;
  background: #d4edda;
}

.status.error {
  color: #c0392b;
  background: #fdecea;
}

.data-preview {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 12px;
  border-radius: 4px;
  font-size: 11px;
  max-height: 400px;
  overflow: auto;
  white-space: pre-wrap;
  font-family: Consolas, Monaco, "Courier New", monospace;
}

@media (max-width: 600px) {
  .admin-header h1 { font-size: 15px; }
  .admin-main { padding: 10px; }
  .card { padding: 12px; }
  .form-row { flex-direction: column; align-items: flex-start; }
  .form-row label { flex: none; }
  .feeds-table { font-size: 12px; }
  .feeds-table th, .feeds-table td { padding: 5px 3px; }
}