:root{
  --bg:#f3f4f6;
  --fg:#111827;
  --muted:#6b7280;
  --card:#ffffff;
  --border:#e5e7eb;
  --brand:#2563eb;
  --brand-600:#1e40af;
  --danger:#dc2626;
  --success:#16a34a;
  --shadow:0 6px 18px rgba(0,0,0,.08);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

.container,.wrap{max-width:1100px;margin:2rem auto;padding:0 1rem}
.card{
  background:var(--card);
  border-radius:14px;
  box-shadow:var(--shadow);
  padding:1.1rem;
}

h1,h2,h3{margin:.2rem 0 .6rem}
.muted{color:var(--muted)}
.small{font-size:.95rem;color:#374151}

label{display:block;margin:.8rem 0 .35rem;font-weight:600}
input,select,textarea{
  width:100%;
  padding:.8rem;
  border:1px solid #cfcfcf;
  border-radius:10px;
  font-size:1rem;
  background:#fff;
}
textarea{min-height:100px;resize:vertical}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.65rem 1rem;
  border-radius:10px;
  border:1px solid #cfd8ff;
  background:#fff;
  color:var(--brand-600);
  font-weight:700;
  cursor:pointer;
  text-decoration:none;
}
.btn:hover{background:#f5f7ff}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn-gray{background:#6b7280;color:#fff;border-color:#6b7280}
.btn-green{background:var(--success);color:#fff;border-color:var(--success)}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-pill{border-radius:9999px;padding:.45rem .75rem}

.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 1rem}
.tab{
  padding:.45rem .75rem;border-radius:9px;background:#eef2ff;color:var(--brand-600);
  font-weight:700;text-decoration:none;border:1px solid #c7d2fe
}
.tab.active{background:var(--brand-600);color:#fff;border-color:var(--brand-600)}

.table{width:100%;border-collapse:separate;border-spacing:0}
.table th,.table td{padding:.65rem .6rem;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
.table th{font-weight:700;color:#374151}
.nowrap{white-space:nowrap}

.badge{display:inline-block;font-size:.75rem;padding:.2rem .5rem;border-radius:9999px;font-weight:700}
.b-green{background:#dcfce7;color:#166534}
.b-red{background:#fee2e2;color:#991b1b}
.b-blue{background:#dbeafe;color:#1e40af}
.b-yellow{background:#fef9c3;color:#854d0e}
.b-gray{background:#f3f4f6;color:#374151;border:1px solid #e5e7eb}

.alert{background:#ecfeff;border:1px solid #bae6fd;color:#075985;padding:.6rem;border-radius:8px;margin-bottom:.8rem}

.grid{display:grid;gap:14px}
@media(min-width:900px){ .grid.cols-2{grid-template-columns:1fr 1fr} }
.btnbar{display:flex;gap:12px;justify-content:center;margin:20px 0;flex-wrap:wrap}

@media (max-width:600px){
  .container,.wrap{padding:0 .8rem}
  .tabs{gap:6px}
  .btn{padding:.6rem .85rem}
  input,select,textarea{font-size:16px} /* iOS zoom-fix */
}