:root {
  --primary: #1a73e8;
  --primary-dark: #1558b0;
  --bg: #f7f8fa;
  --card-bg: #ffffff;
  --border: #e3e6ea;
  --text: #1c1e21;
  --text-muted: #6b7280;
  --danger: #dc2626;
  --success: #16a34a;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.page { max-width: 960px; margin: 0 auto; padding: 32px 20px; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: var(--primary-dark); }
.btn:disabled { background: #a9b4c2; cursor: not-allowed; }

.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #f2f3f5; }

input, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 12px;
  font-family: inherit;
}
input:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }

label { display: block; font-size: 13px; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-success { background: #dcfce7; color: var(--success); }
.badge-pending { background: #fef3c7; color: #b45309; }
.badge-failed { background: #fee2e2; color: var(--danger); }

.error-text { color: var(--danger); font-size: 13px; margin-bottom: 12px; }
.muted { color: var(--text-muted); font-size: 13px; }

.code-block {
  background: #1c1e21;
  color: #e5e7eb;
  padding: 14px;
  border-radius: 8px;
  font-family: "SF Mono", Consolas, monospace;
  font-size: 13px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 16px; }
.subtitle { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }
.topbar { display: flex; justify-content: space-between; align-items: center; max-width: 960px; margin: 0 auto; padding: 16px 20px 0; }
.topbar a { color: var(--text-muted); font-size: 13px; text-decoration: none; }
.topbar a:hover { text-decoration: underline; }