/* ================================================================
   ปฏิทิน นายมด 2027 — mobile first
   ================================================================ */
:root{
  --green:#1f6f5c;
  --green-d:#155044;
  --green-l:#e8f3f0;
  --sand:#f7f4ee;
  --ink:#22282b;
  --muted:#6f7b80;
  --line:#e2e0da;
  --red:#c0392b;
  --amber:#b7791f;
  --radius:14px;
  --shadow:0 2px 10px rgba(20,40,35,.07);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--sand);color:var(--ink);
  font-family:"Noto Sans Thai",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.6;
  padding-bottom:96px;
}
.wrap{max-width:680px;margin:0 auto;padding:0 16px}

/* ---------- hero ---------- */
.hero{
  background:linear-gradient(150deg,var(--green) 0%,var(--green-d) 100%);
  color:#fff;padding:28px 0 34px;text-align:center;
}
.hero-badge{
  display:inline-block;border:2px solid rgba(255,255,255,.55);border-radius:999px;
  padding:2px 16px;font-weight:700;letter-spacing:.14em;font-size:14px;margin-bottom:10px;
}
.hero h1{margin:0;font-size:23px;font-weight:700;line-height:1.35}
.hero-sub{margin:8px 0 0;font-size:14px;opacity:.9}

/* ---------- card ---------- */
.card{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  padding:18px 16px;margin:16px 0;
}
.card h2{
  margin:0 0 4px;font-size:17px;display:flex;align-items:center;gap:9px;
}
.card h2 small{font-weight:400;color:var(--muted);font-size:13px}
.step{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:var(--green);color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.muted{color:var(--muted);font-size:13px;margin:6px 0 12px}

/* ---------- form ---------- */
.field{margin-top:14px}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:5px}
.field label small{font-weight:400;color:var(--muted)}
.req{color:var(--red)}
input[type=text],input[type=tel],input[type=number],select,textarea{
  width:100%;padding:11px 12px;font-size:16px;font-family:inherit;color:var(--ink);
  border:1px solid var(--line);border-radius:10px;background:#fff;
  transition:border-color .15s,box-shadow .15s;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px var(--green-l);
}
input.invalid,textarea.invalid,select.invalid{border-color:var(--red)}
textarea{resize:vertical}
.hint{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.err-msg{display:block;color:var(--red);font-size:12.5px;margin-top:4px}

.row{display:flex;gap:10px;flex-wrap:wrap}
.row .field{flex:1 1 160px;min-width:0}
.row .w-title{flex:0 0 110px}
.row .w-name{flex:1 1 200px}

/* ---------- stepper ---------- */
.qty-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:8px}
.qty-label{font-size:14px;font-weight:500}
.stepper{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.stepper input{
  width:64px;border:none;text-align:center;font-size:17px;font-weight:600;padding:9px 0;
  -moz-appearance:textfield;
}
.stepper input:focus{box-shadow:none}
.stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.btn-step{
  width:42px;height:42px;border:none;background:var(--green-l);color:var(--green-d);
  font-size:22px;line-height:1;cursor:pointer;font-family:inherit;
}
.btn-step:active{background:#d3e7e1}
.qty-sum{margin-left:auto;font-weight:700;color:var(--green-d)}

/* ---------- recipients ---------- */
.recipient{
  border:1px solid var(--line);border-left:4px solid var(--green);
  border-radius:12px;padding:14px;margin-bottom:12px;background:#fdfdfc;
  animation:slideIn .18s ease;
}
@keyframes slideIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.recipient-head{display:flex;align-items:center;justify-content:space-between}
.recipient-head h3{margin:0;font-size:15px;color:var(--green-d)}
.btn-remove{
  border:none;background:#fdeceb;color:var(--red);border-radius:8px;
  padding:6px 12px;font-size:13px;cursor:pointer;font-family:inherit;
}
.btn-add{
  width:100%;padding:13px;border:2px dashed var(--green);background:var(--green-l);
  color:var(--green-d);border-radius:12px;font-size:15px;font-weight:600;
  cursor:pointer;font-family:inherit;
}
.btn-add:active{background:#d3e7e1}

/* ---------- summary ---------- */
.sum-table{width:100%;border-collapse:collapse;margin-top:10px;font-size:15px}
.sum-table td{padding:8px 0;border-bottom:1px dashed var(--line)}
.sum-table .num{text-align:right;font-weight:600;white-space:nowrap}
.sum-table .tot td{border-bottom:2px solid var(--line)}
.sum-table .grand td{padding-top:12px;border:none;font-size:19px;color:var(--green-d);font-weight:700}
.bank-box{
  margin-top:14px;background:var(--green-l);border-radius:10px;padding:12px 14px;font-size:14px;
}

/* ---------- upload ---------- */
.uploader{
  display:block;border:2px dashed var(--line);border-radius:12px;
  padding:20px 14px;text-align:center;cursor:pointer;background:#fbfaf8;
}
.uploader.ok{border-color:var(--green);background:var(--green-l)}
.uploader input[type=file]{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}
.uploader-inner{display:flex;flex-direction:column;gap:6px;align-items:center;font-size:14px;color:var(--muted)}
.uploader-icon{font-size:26px}
.uploader.ok{padding:14px}
.uploader.ok .uploader-inner{color:var(--green-d);font-weight:600;flex-direction:row;gap:8px}
.uploader.ok .uploader-icon{font-size:18px}

/* ---------- การ์ดพรีวิวสลิป ---------- */
.slip-card{
  display:flex;gap:14px;align-items:center;margin-top:12px;padding:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:0 2px 8px rgba(20,40,35,.06);
  animation:slideIn .2s ease;
}
.slip-card[hidden]{display:none}

.slip-thumb{
  position:relative;flex:0 0 96px;width:96px;height:96px;border-radius:11px;overflow:hidden;
  background:
    linear-gradient(45deg,#f0efeb 25%,transparent 25%,transparent 75%,#f0efeb 75%) 0 0/16px 16px,
    linear-gradient(45deg,#f0efeb 25%,#fbfaf8 25%,#fbfaf8 75%,#f0efeb 75%) 8px 8px/16px 16px;
  border:1px solid var(--line);cursor:zoom-in;
  display:flex;align-items:center;justify-content:center;
}
.slip-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.slip-thumb img[hidden]{display:none}
.slip-thumb.is-doc{cursor:default;background:var(--green-l)}

/* ป้าย PDF */
.slip-doc{
  font-size:15px;font-weight:700;color:var(--green-d);letter-spacing:.06em;
  border:2px solid var(--green);border-radius:8px;padding:6px 12px;background:#fff;
}
.slip-doc[hidden]{display:none}

/* ไอคอนแว่นขยายมุมล่างขวา */
.slip-zoom{
  position:absolute;right:5px;bottom:5px;width:24px;height:24px;border-radius:50%;
  background:rgba(0,0,0,.55);color:#fff;font-size:12px;
  display:flex;align-items:center;justify-content:center;pointer-events:none;
}
.slip-zoom[hidden]{display:none}

.slip-meta{flex:1;min-width:0}
.slip-file{
  font-weight:600;font-size:14.5px;color:var(--ink);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.slip-file::before{content:"✓ ";color:var(--green)}
.slip-size{font-size:12.5px;color:var(--muted);margin-top:2px}
.slip-actions{display:flex;gap:8px;margin-top:10px}
.slip-btn{
  padding:7px 14px;border:none;border-radius:9px;background:var(--green-l);color:var(--green-d);
  font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer;
}
.slip-btn:active{background:#d3e7e1}
.slip-btn.ghost{background:#f3f2ef;color:var(--muted)}

/* ---------- ดูสลิปเต็มจอ ---------- */
.lightbox{
  position:fixed;inset:0;z-index:60;background:rgba(18,26,24,.92);
  display:flex;align-items:center;justify-content:center;padding:24px;
  animation:fadeIn .15s ease;
}
.lightbox[hidden]{display:none}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.lightbox img{
  max-width:100%;max-height:100%;border-radius:12px;
  box-shadow:0 8px 40px rgba(0,0,0,.5);object-fit:contain;
}
.lightbox-close{
  position:absolute;top:calc(14px + env(safe-area-inset-top));right:14px;
  width:40px;height:40px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(255,255,255,.16);color:#fff;font-size:17px;font-family:inherit;
}
.lightbox-close:active{background:rgba(255,255,255,.3)}

/* ---------- checkbox ---------- */
.check{display:flex;gap:10px;align-items:flex-start;margin-top:16px;font-size:14.5px;cursor:pointer}
.check input{width:22px;height:22px;flex:0 0 22px;margin-top:2px;accent-color:var(--green)}

/* ---------- submit bar ---------- */
.submit-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:20;
  background:rgba(255,255,255,.97);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  display:flex;align-items:center;gap:12px;max-width:680px;margin:0 auto;
}
.bar-total{font-size:14px;color:var(--muted);white-space:nowrap}
.bar-total strong{font-size:19px;color:var(--green-d)}
.btn-submit{
  flex:1;padding:14px;border:none;border-radius:12px;background:var(--green);color:#fff;
  font-size:16px;font-weight:700;font-family:inherit;cursor:pointer;
}
.btn-submit:active{background:var(--green-d)}
.btn-submit:disabled{background:#a8b5b1;cursor:not-allowed}

/* ---------- alerts ---------- */
.alert-error{border-left:4px solid var(--red);color:var(--red)}
.alert-error ul{margin:8px 0 0 18px;padding:0}
.notice-closed{text-align:center}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:20px 16px}

/* ---------- thank you ---------- */
.thanks{text-align:center}
.thanks .code{
  display:inline-block;background:var(--green-l);color:var(--green-d);
  font-size:22px;font-weight:700;letter-spacing:.05em;
  padding:8px 20px;border-radius:10px;margin:10px 0;
}
.thanks .tick{font-size:46px}
.detail-table{width:100%;border-collapse:collapse;text-align:left;font-size:14.5px;margin-top:14px}
.detail-table th{width:36%;color:var(--muted);font-weight:500;vertical-align:top;padding:7px 0}
.detail-table td{padding:7px 0}
.btn-line{display:inline-block;margin-top:16px;padding:12px 22px;border-radius:10px;
  background:var(--green);color:#fff;text-decoration:none;font-weight:600}

@media (min-width:600px){
  .hero h1{font-size:27px}
  .card{padding:22px 22px}
}