:root{
    --font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    --bg:#f4f6fb; --card:#fff; --text:#1f2937; --muted:#6b7280; --line:#e5e7eb;
    --head-bg:#f3f4f6; --zebra:#fafafa;
    --primary:#2563eb; --in:#16a34a; --out:#dc2626; --brand:#b91c1c;
    --radius:14px; --shadow:0 1px 3px rgba(0,0,0,.06);
  }
  *{box-sizing:border-box}
  [hidden]{display:none!important}
  body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text)}
  .wrap{max-width:1000px;margin:0 auto;padding:20px 16px 40px}

  /* Kepala surat */
  header{text-align:center;margin-bottom:20px}
  header img{width:96px;height:96px;object-fit:contain;display:block;margin:0 auto 10px}
  header h1{margin:0;font-size:22px;font-weight:800;letter-spacing:2px;color:var(--brand)}
  header .rule{width:120px;height:3px;background:var(--brand);border-radius:3px;margin:10px auto}
  header .title{margin:0;font-size:16px;font-weight:600}
  header .sub{margin:4px 0 0;color:var(--muted);font-size:13px}

  /* Komponen umum */
  .panel{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:16px}
  .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
  .span-all{grid-column:1/-1}
  label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
  input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:15px;background:#fff;color:var(--text)}
  input:focus,select:focus,.grip:focus-visible{outline:2px solid #bfdbfe;border-color:var(--primary)}
  .btn{padding:10px 18px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;background:#fff;color:var(--text)}
  .btn:disabled{opacity:.45;cursor:not-allowed}
  .btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
  .hint{font-size:12px;color:var(--muted);margin:0}
  .error{color:var(--out);font-size:13px;margin:10px 0 0}
  .tone-in{color:var(--in)} .tone-out{color:var(--out)} .tone-primary{color:var(--primary)}

  /* Ringkasan */
  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
  .card{background:var(--card);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow);text-align:center}
  .card small{display:block;color:var(--muted);margin-bottom:4px}
  .card b{font-size:20px}

  /* Pencarian */
  .search-grid{display:grid;grid-template-columns:1fr 2fr auto;gap:12px;align-items:end}
  .search-grid .dates{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .search-info{margin-top:10px}

  /* Tabel */
  .toolbar{display:flex;flex-wrap:wrap;gap:8px 12px;justify-content:space-between;align-items:center;margin:0 4px 8px}
  .actions{display:flex;gap:8px}
  .tablebox{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}
  table{width:100%;border-collapse:collapse;min-width:760px}
  th,td{padding:11px 12px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
  th{background:#f9fafb;color:var(--muted);font-weight:600;font-size:13px}
  .num{text-align:right;white-space:nowrap}
  td.tone-in,td.tone-out{font-weight:600}
  tfoot td{font-weight:700;background:#f9fafb}
  .empty{text-align:center;color:var(--muted);padding:28px}
  .icon-btn{background:none;border:0;cursor:pointer;font-size:16px;padding:4px}

  /* Geser urutan */
  .handle{width:36px;padding:0 4px;text-align:center}
  .grip{display:inline-block;cursor:grab;color:#9ca3af;font-size:20px;line-height:1;padding:6px 8px;
        touch-action:none;user-select:none;-webkit-user-select:none;border-radius:6px}
  .grip:hover{color:var(--text)}
  .grip.is-disabled{cursor:not-allowed;opacity:.35}
  tr.dragging{background:#eff6ff;box-shadow:0 4px 14px rgba(37,99,235,.25);position:relative;z-index:2}
  tr.dragging .grip{cursor:grabbing}
  body.is-dragging{cursor:grabbing;user-select:none;-webkit-user-select:none}

  /* Pemberitahuan */
  #notice{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:#111827;color:#fff;
          padding:10px 16px;border-radius:10px;font-size:14px;max-width:90vw;z-index:10}
  #notice.is-error{background:var(--out)}

  @media(max-width:700px){
    header h1{font-size:18px}
    .cards,.search-grid{grid-template-columns:1fr}
    .grid{grid-template-columns:1fr 1fr}
  }

/* Tombol pasang aplikasi & tombol kirim */
.install{margin-top:12px}
.btn-submit{margin-top:14px}
.noscript{text-align:center;padding:20px}

/* Cadangan data */
.backup{margin-top:16px}
.backup-head{display:flex;flex-wrap:wrap;gap:10px 12px;justify-content:space-between;align-items:center}
.backup-head strong{font-size:15px}
.backup-head .hint{margin-top:2px}
.backup-note{margin-top:10px}