*{box-sizing:border-box;margin:0;padding:0}
:root{
  --brand:#4F46E5;--brand-light:#EEF2FF;--brand-50:#F5F3FF;
  --green:#059669;--green-light:#ECFDF5;
  --wa:#25D366;
  --text:#1e293b;--text2:#475569;--text3:#94a3b8;
  --border:#CBD5E1;--bg:#F8FAFC;--card:#ffffff;
  --r:8px;--rl:12px;
}
body{font-family:system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg)}
.wrap{max-width:680px;margin:0 auto;padding:1.5rem 1rem 3rem}

/* ── Topbar ── */
.topbar{display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:1.5rem;text-align:center}
.topbar-logo{width:120px;height:120px;object-fit:contain;margin-bottom:-30px;margin-top:-30px}
.brand-name{font-size:20px;font-weight:700;color:var(--text)}

/* ── Card ── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--rl);padding:1.75rem;animation:up .25s ease;margin-bottom:1rem}
@keyframes up{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

.divider{height:1px;background:var(--border);margin:1.25rem 0}

/* ── Fields ── */
.fg{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.field{margin-bottom:1rem}
.field label{display:block;font-size:13px;font-weight:500;color:var(--text2);margin-bottom:6px}
.req{color:#ef4444;margin-left:2px}
.field input,.field select{
  width:100%;padding:10px 14px;
  border:1.5px solid var(--border);border-radius:var(--r);
  font-size:14px;font-family:inherit;color:var(--text);
  background:var(--card);outline:none;transition:.2s;appearance:none
}
.field input::placeholder{color:#b0bec5}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%239CA3AF' d='M5 7L1 3h8z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:32px
}
.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.08)}

/* ── Produk readonly ── */
.product-readonly{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;
  border:1.5px solid var(--brand);
  border-radius:var(--r);
  background:var(--brand-50);
  font-size:14px;font-weight:600;color:var(--brand);
}
.product-readonly svg{flex-shrink:0;stroke:var(--brand)}

/* ── Range pills estimasi harga ── */
.range-grid{display:flex;flex-direction:column;gap:6px;margin-top:4px}
.range-pill{
  padding:10px 16px;
  border:1.5px solid var(--border);
  border-radius:var(--r);
  font-size:14px;color:var(--text2);
  cursor:pointer;transition:.15s;
  background:var(--card);
  user-select:none;
}
.range-pill:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-50)}
.range-pill.sel{border-color:var(--brand);background:var(--brand-50);color:var(--brand);font-weight:500}
.range-pill.sel::before{content:'✓  ';font-weight:700}

/* ── Validation ── */
.input-error{border-color:#ef4444 !important;box-shadow:0 0 0 3px rgba(239,68,68,.1) !important}
.err-msg{font-size:12px;color:#ef4444;margin-top:4px}
.form-error{font-size:13px;color:#ef4444;background:#FEF2F2;border:1px solid #fecaca;border-radius:var(--r);padding:10px 14px;margin-bottom:1rem}

/* ── Buttons ── */
.btn-row{margin-top:1.25rem}
.btn{padding:12px 22px;border-radius:var(--r);font-size:15px;font-weight:500;font-family:inherit;cursor:pointer;border:1px solid var(--border);background:var(--card);color:var(--text2);transition:.15s}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;width:100%;display:block}
.btn.primary:hover{opacity:.9}
.btn.primary:disabled{opacity:.6;cursor:not-allowed}
.cta-note{font-size:12px;color:var(--text3);text-align:center;margin-top:8px}

/* ── Step Done ── */
.done-wrap{text-align:center;padding:1rem 0 1.25rem}
.done-icon{width:56px;height:56px;border-radius:50%;background:var(--green-light);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem}
.done-icon svg{width:26px;height:26px;stroke:var(--green);fill:none;stroke-width:2.5}
.done-title{font-size:20px;font-weight:600;color:var(--text);margin-bottom:8px}
.done-sub{font-size:14px;color:var(--text2);line-height:1.6;max-width:420px;margin:0 auto}
.done-info-box{display:flex;align-items:center;gap:10px;background:#EFF6FF;border:1px solid #BFDBFE;border-radius:var(--r);padding:10px 14px;font-size:13px;color:#1e40af;line-height:1.5;margin:1rem 0}
.btn-wa{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--wa);color:#fff;border-radius:var(--r);padding:13px 20px;font-size:15px;font-weight:600;text-decoration:none;transition:.15s;margin-top:0.5rem}
.btn-wa:hover{opacity:.9}

/* ── Responsive ── */
@media(max-width:520px){
  .fg{grid-template-columns:1fr}
  .card{padding:1.25rem}
}