:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --ink: #162029;
  --muted: #6a7685;
  --accent: #0058cc;
  --danger: #c22f2f;
  --ok: #197a3e;
  --border: #dce3ee;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Arial, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--accent); text-decoration: none; }
.admin-login { max-width: 400px; margin: 60px auto; background: var(--panel); padding: 24px; border: 1px solid var(--border); border-radius: 12px; }
.admin-login h1 { margin-top: 0; }
label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 6px; }
input { width: 100%; padding: 10px; margin-bottom: 14px; border: 1px solid var(--border); border-radius: 8px; }
button { background: var(--accent); color: white; border: 0; border-radius: 8px; padding: 10px 14px; cursor: pointer; }
button:hover { opacity: 0.92; }
.admin-shell { max-width: 1100px; margin: 24px auto; padding: 0 12px 24px; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 14px; }
.panel h2 { margin: 0 0 12px; }
.form-grid { display: grid; grid-template-columns: 160px 1fr; gap: 10px; align-items: center; }
.form-grid button { grid-column: 2; width: fit-content; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { border-bottom: 1px solid var(--border); text-align: left; padding: 10px 6px; vertical-align: top; }
.inline { display: inline-block; margin-right: 6px; }
code { background: #f0f3f8; border: 1px solid var(--border); border-radius: 6px; padding: 2px 6px; }
.flash { border-radius: 10px; padding: 12px; margin-bottom: 12px; }
.flash-success { background: #e8f7ee; color: var(--ok); border: 1px solid #c2e7cf; }
.flash-error { background: #fff0ef; color: var(--danger); border: 1px solid #ffd2cf; }