/* =========================================================
   GSB Smart Multi-step Form (v1.0.0)
   - Clean production-ready structure
========================================================= */

:root{
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --brand: #d81b60;
  --brand2:#b7164f;
  --ok: #16a34a;
  --warn:#b45309;
  --err: #dc2626;
  --shadow: 0 12px 28px rgba(0,0,0,.08);
}

/* *{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans Thai", sans-serif;
  background: var(--bg);
  color: var(--text);
} */

.app{
  max-width: 980px;
  margin: 18px auto;
  padding: 0 14px 54px;
}

.app__header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 12px;
  margin-bottom: 12px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
}
.brand__badge{
  width:44px;height:44px;
  background: var(--brand);
  color:#fff;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  letter-spacing:.5px;
}
.brand__title{
  font-size: 18px;
  font-weight: 800;
}
.brand__sub{
  font-size: 12px;
  color: var(--muted);
}

.env{
  display:flex;
  align-items:center;
  gap:8px;
}
.env__label{ font-size:12px; color:var(--muted); }
.env__select{
  border:1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  background:#fff;
}

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow:hidden;
}

.progress{
  height: 8px;
  background: #f1f5f9;
}
.progress__bar{
  height:100%;
  background: linear-gradient(90deg, var(--brand), #ff5fa2);
  transition: width .2s ease;
}

.steps{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-bottom:1px solid var(--border);
  background:#fff;
}
.step{
  padding: 12px 10px;
  font-size: 12px;
  text-align:center;
  color: var(--muted);
  border-right:1px solid var(--border);
}
.step:last-child{ border-right:none; }
.step.is-active{
  color: var(--text);
  font-weight: 700;
  background: #fff6fb;
}

form{ padding: 18px; }
.panel{ display:none; }
.panel.is-active{ display:block; }

h2{
  margin: 6px 0 14px;
  font-size: 16px;
  color: var(--brand);
}

.grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 740px){
  .steps{ grid-template-columns: 1fr; }
  .step{ text-align:left; border-right:none; border-bottom:1px solid var(--border); }
  .step:last-child{ border-bottom:none; }
  .grid{ grid-template-columns: 1fr; }
}

.field{ position:relative; margin-bottom: 10px; }
.field--full{ grid-column: 1 / -1; }

label{
  display:block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.req{ color: var(--brand); font-weight: 800; }

input, select, textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
  outline:none;
  background:#fff;
}
textarea{ resize: vertical; }

input:focus, select:focus, textarea:focus{
  border-color: rgba(216,27,96,.5);
  box-shadow: 0 0 0 4px rgba(216,27,96,.10);
}

.hint{
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.err{
  display:none;
  font-size: 12px;
  color: var(--err);
  margin-top: 6px;
}
.field.is-invalid .err{ display:block; }
.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea{
  border-color: rgba(220,38,38,.55);
  box-shadow: 0 0 0 4px rgba(220,38,38,.08);
}

form.was-validated input:invalid,
form.was-validated select:invalid,
form.was-validated textarea:invalid{
  border-color: rgba(220,38,38,.55);
  box-shadow: 0 0 0 4px rgba(220,38,38,.08);
}

.is-hidden{ display:none !important; }

.checks{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 10px 12px;
  border:1px solid var(--border);
  border-radius: 12px;
  background:#fcfcff;
}
@media (max-width: 740px){
  .checks{ grid-template-columns: 1fr; }
}
.check{ font-size: 13px; color: var(--text); }
.check input{ width:auto; margin-right: 8px; }

.actions{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: 16px;
}
.actions__right{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn{
  border:1px solid var(--border);
  background:#fff;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
  cursor:pointer;
}
.btn:hover{ filter: brightness(.98); }
.btn:active{ transform: translateY(1px); }

.btn--ghost{
  background:#fff;
  color: var(--text);
}
.btn--primary{
  background: var(--brand);
  border-color: var(--brand);
  color:#fff;
}
.btn--primary:hover{ background: var(--brand2); border-color: var(--brand2); }

.status{
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13px;
  display:none;
}
.status.is-show{ display:block; }
.status.is-ok{ background: rgba(22,163,74,.10); border: 1px solid rgba(22,163,74,.25); color: var(--ok); }
.status.is-warn{ background: rgba(180,83,9,.10); border: 1px solid rgba(180,83,9,.25); color: var(--warn); }
.status.is-err{ background: rgba(220,38,38,.10); border: 1px solid rgba(220,38,38,.25); color: var(--err); }

.summary{
  border:1px dashed var(--border);
  border-radius: 14px;
  background:#fafafa;
  padding: 12px;
}
.summary__title{ font-weight: 800; margin-bottom: 6px; }
.summary__body{ font-size: 13px; color: var(--muted); white-space: pre-wrap; }

.notice{
  font-size: 12px;
  color: var(--muted);
  background: #f8fafc;
  border:1px solid var(--border);
  border-radius: 14px;
  padding: 10px 12px;
}

.footer{
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
  text-align:center;
}

.mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; }

.note{
  padding: 20px;
}
.app__footer{
  padding: 20px;text-align: center;
}
.pdpa-box{
  max-height:180px;
  overflow:auto;
  border:1px solid #ddd;
  padding:16px;
  border-radius:8px;
  background:#fafafa;
  font-size:14px;
  line-height:1.6;
}

.pdpa-consent{
  margin-top:12px;
}

.pdpa-consent .radio{
  display:block;
  margin-bottom:8px;
  cursor:pointer;
}
.is-hidden{
  display:none;
}
input[type="radio"]{
  width: auto;
}

.field-group--full{
  grid-column: 1 / -1;
}

.checks{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.check{
  display:flex;
  align-items:flex-start;
  gap:10px;
}
.field.is-invalid .checks{
  border-color: rgba(220,38,38,.55);
  box-shadow: 0 0 0 4px rgba(220,38,38,.08);
}

.field.is-invalid .err{
  display:block;
}