:root{
  --red:#b50600; --red-dark:#8f0500; --ink:#1a1a1a; --muted:#6b7280;
  --line:#e5e7eb; --bg:#f4f5f7; --card:#fff; --ok:#12833b; --no:#c02636;
  --radius:12px; --shadow:0 1px 3px rgba(0,0,0,.08),0 6px 20px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2}

/* ---- top bar ---- */
.topbar{background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  justify-content:space-between;padding:0 24px;height:64px;position:sticky;top:0;z-index:20}
.topbar .brand img{height:30px;display:block}
.topbar nav{display:flex;gap:22px;align-items:center;font-weight:600;font-size:14px}
.topbar nav a{color:var(--ink)}
.topbar nav a.logout{color:var(--muted)}
.wrap{max-width:1080px;margin:0 auto;padding:32px 24px 80px}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--red);color:#fff;border:0;
  padding:10px 18px;border-radius:10px;font-weight:600;font-size:14px;cursor:pointer;transition:.15s}
.btn:hover{background:var(--red-dark);text-decoration:none}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:#f9fafb}
.btn.sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn.ok{background:var(--ok)} .btn.ok:hover{filter:brightness(.92)}
.btn.no{background:var(--no)} .btn.no:hover{filter:brightness(.92)}

/* ---- cards / grid ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px}
.grid{display:grid;gap:16px}
.grid.cols{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.row{display:flex;gap:14px;align-items:center}
.spread{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.muted{color:var(--muted)} .small{font-size:13px}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.pill.pending{background:#fef3c7;color:#92400e}
.pill.approved{background:#dcfce7;color:#166534}
.pill.rejected{background:#fee2e2;color:#991b1b}
.tag{display:inline-block;background:#eef2f7;color:#334155;border-radius:6px;padding:2px 8px;
  font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}
.verno{display:inline-grid;place-items:center;min-width:40px;height:40px;padding:0 8px;background:var(--red);
  color:#fff;border-radius:10px;font-weight:800;font-size:15px}

/* ---- forms ---- */
label{font-weight:600;font-size:13px;display:block;margin-bottom:6px}
input[type=text],input[type=password],input[type=email],textarea,select{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit}
input:focus,textarea:focus,select:focus{outline:2px solid var(--red);outline-offset:-1px;border-color:var(--red)}
.field{margin-bottom:16px}

/* ---- login ---- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1200px 500px at 50% -10%,#fff, var(--bg))}
.login-card{width:100%;max-width:380px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow);padding:34px 30px}
.login-card img.logo{height:34px;display:block;margin:0 auto 6px}
.login-card .peng{width:66px;display:block;margin:0 auto 14px}
.login-card h1{font-size:19px;text-align:center;margin:0 0 22px;font-weight:700}
.err{background:#fee2e2;color:#991b1b;padding:10px 12px;border-radius:9px;font-size:14px;margin-bottom:16px}

/* ---- ad thumbs on campaign page ---- */
.ad-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column}
.ad-card .frame{background:#eceff3;display:grid;place-items:center;min-height:170px;padding:14px;
  overflow:auto}
.ad-card .meta{padding:12px 14px;border-top:1px solid var(--line)}
.ad-card .meta .name{font-weight:600;font-size:14px;word-break:break-word}
.ad-thumb-iframe{border:0;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.06)}

.empty{text-align:center;color:var(--muted);padding:56px 20px}
.empty img{width:120px;opacity:.9;margin-bottom:10px}

/* dropzone */
.dropzone{border:2px dashed #cbd5e1;border-radius:12px;padding:28px;text-align:center;color:var(--muted);
  background:#fbfcfd;cursor:pointer;transition:.15s}
.dropzone.drag{border-color:var(--red);background:#fff5f5;color:var(--ink)}