:root {
  --red: #c62828;
  --red-dark: #9b1c1c;
  --bg: #f4f5f7;
  --card: #fff;
  --text: #1f2933;
  --muted: #7b8794;
  --border: #e4e7eb;
  --ok: #2e7d32;
  --warn: #ef6c00;
  --err: #c62828;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Sarabun", "Kanit", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; gap: 20px;
  background: var(--red); color: #fff;
  padding: 0 20px; height: 56px;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
}
.brand { font-weight: 700; font-size: 18px; white-space: nowrap; }
.mainnav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.mainnav a { color: #fff; padding: 8px 12px; border-radius: 6px; font-size: 15px; }
.mainnav a:hover { background: rgba(255,255,255,.15); text-decoration: none; }
.mainnav a.active { background: rgba(0,0,0,.22); font-weight: 600; }
.userbox { display: flex; align-items: center; gap: 12px; font-size: 14px; white-space: nowrap; }
.userbox .logout { color: #fff; opacity: .9; border: 1px solid rgba(255,255,255,.5); padding: 4px 10px; border-radius: 6px; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px 16px; }
h1 { font-size: 24px; margin: 0 0 18px; }
h2 { font-size: 18px; margin: 0 0 12px; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px; margin-bottom: 18px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.muted { color: var(--muted); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { text-align: center; }
.stat .num { font-size: 34px; font-weight: 700; }
.stat .num.ok { color: var(--ok); }
.stat .num.warn { color: var(--warn); }
.stat .num.err { color: var(--err); }
.stat .lbl { color: var(--muted); font-size: 14px; margin-top: 4px; }

.quick { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block; background: #eef0f2; color: var(--text);
  padding: 10px 16px; border-radius: 8px; border: 1px solid var(--border);
  font-size: 15px; cursor: pointer;
}
.btn:hover { background: #e2e5e8; text-decoration: none; }
.btn.primary { background: var(--red); color: #fff; border-color: var(--red-dark); width: 100%; padding: 12px; font-size: 16px; }
.btn.primary:hover { background: var(--red-dark); }

.login-wrap { min-height: 80vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 100%; max-width: 360px; }
.login-card h1 { margin-bottom: 4px; }
.login-card label { display: block; margin: 14px 0 4px; font-size: 14px; }
.login-card input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; font-family: inherit; }
.login-card input:focus { outline: 2px solid var(--red); border-color: var(--red); }
.login-card button { margin-top: 18px; }

.alert { padding: 10px 14px; border-radius: 8px; font-size: 14px; margin-top: 12px; }
.alert.error { background: #fdecea; color: var(--err); border: 1px solid #f5c6c2; }

/* ตาราง */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #fafbfc; color: var(--muted); font-weight: 600; white-space: nowrap; }
td.ttl { max-width: 320px; }
td.thumb img { width: 84px; height: 60px; object-fit: cover; border-radius: 6px; }
.ok-txt { color: var(--ok); font-weight: 600; }
.err-txt { color: var(--err); font-weight: 600; }

/* badge สถานะ */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; white-space: nowrap; }
.badge.s-รอโพส { background: #fff3e0; color: var(--warn); }
.badge.s-โพสแล้ว { background: #e8f5e9; color: var(--ok); }
.badge.s-ผิดพลาด { background: #fdecea; color: var(--err); }
.badge.s-ข้าม { background: #eceff1; color: var(--muted); }

/* ฟอร์ม */
label { display: block; font-size: 14px; margin-bottom: 4px; }
input[type=text], input[type=number], input[type=password], select {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff;
}
input:focus, select:focus { outline: 2px solid var(--red); border-color: var(--red); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; margin-bottom: 12px; }
fieldset { border: 1px solid var(--border); border-radius: 8px; margin: 12px 0; padding: 12px 14px; }
legend { color: var(--muted); font-size: 13px; padding: 0 6px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.chk { display: inline-flex; align-items: center; gap: 6px; margin: 0; font-size: 14px; }
.chk input { width: auto; }

/* filters bar */
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filters input, .filters select { width: auto; flex: 0 1 auto; min-width: 120px; }
.filters input[name=q] { flex: 1 1 220px; }

.btn.sm { padding: 5px 10px; font-size: 13px; }
.pager { display: flex; gap: 14px; align-items: center; justify-content: center; margin: 8px 0 24px; }
.status-row { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 15px; margin-bottom: 8px; }
.alert.ok { background: #e8f5e9; color: var(--ok); border: 1px solid #b6e0b9; }

@media (max-width: 640px) {
  .grid2 { grid-template-columns: 1fr; }
  .mainnav { display: none; }
  td.ttl { max-width: 180px; }
}

.rolechip { background: rgba(255,255,255,.25); font-size: 11px; padding: 1px 7px; border-radius: 999px; }