/* หน้าแจ้งบริจาคทุนการศึกษา — ธีมแสด–ทอง มทส. */
.dn{--o:#E8731A;--o2:#F59A2E;--od:#B5530C;--g:#D4A017;--g2:#F3C64A;--ink:#2A1D15;--mut:#7A6352;--line:#F0DCC5;--soft:#FFF6EA;--ok:#1F8A4C;--err:#C8372D;
  color:var(--ink);font-family:inherit;line-height:1.6;max-width:1180px;margin:0 auto;padding:18px 16px 56px}
.dn *,.dn *::before,.dn *::after{box-sizing:border-box}
.dn svg{width:18px;height:18px;fill:currentColor;flex:none}
.dn [hidden]{display:none!important}
.dn h1,.dn h2{font-family:inherit;color:inherit;letter-spacing:-.01em}

/* ---------- hero ---------- */
.dn-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) 260px;align-items:end;gap:10px;padding:40px 40px 0;border-radius:32px;color:#fff;
  background:radial-gradient(circle at 85% 10%,rgba(255,236,170,.55),transparent 38%),linear-gradient(130deg,#C54E05 0%,var(--o) 45%,var(--o2) 72%,var(--g) 100%);box-shadow:0 30px 60px -34px rgba(181,83,12,.75)}
.dn-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1.5px,transparent 2px);background-size:26px 26px;pointer-events:none}
.dn-sparks{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.dn-sparks i{position:absolute;bottom:-20px;width:14px;height:14px;background:rgba(255,255,255,.4);transform:rotate(45deg);animation:dnFloat 10s linear infinite;pointer-events:none}
.dn-sparks i::before,.dn-sparks i::after{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:inherit}
.dn-sparks i::before{left:-7px}.dn-sparks i::after{top:-7px}
.dn-sparks i:nth-child(1){left:6%}.dn-sparks i:nth-child(2){left:20%;animation-delay:2.5s;scale:.7}.dn-sparks i:nth-child(3){left:38%;animation-delay:5s}.dn-sparks i:nth-child(4){left:55%;animation-delay:1.2s;scale:.6}
.dn-sparks i:nth-child(5){left:70%;animation-delay:6.5s}.dn-sparks i:nth-child(6){left:84%;animation-delay:3.6s;scale:.8}.dn-sparks i:nth-child(7){left:94%;animation-delay:8s;scale:.6}
@keyframes dnFloat{0%{transform:translateY(0) rotate(45deg);opacity:0}12%{opacity:1}100%{transform:translateY(-460px) rotate(45deg);opacity:0}}
.dn-hero-tx{position:relative;z-index:1;padding-bottom:40px}
.dn-eb{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:99px;background:rgba(255,255,255,.2);backdrop-filter:blur(4px);font-weight:700;font-size:.88rem}
.dn-eb svg{width:16px;height:16px}
.dn-hero h1{margin:14px 0 10px;font-size:clamp(2rem,4.6vw,3.3rem);line-height:1.15;font-weight:800;color:#fff}
.dn-hero h1 span{color:#FFF1B8}
.dn-hero p{margin:0;max-width:560px;font-size:1.04rem;color:#FFEEDC}
.dn-steps{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0;padding:0}
.dn-steps li{display:flex;align-items:center;gap:10px;margin:0;padding:8px 16px 8px 8px;border-radius:16px;background:#fff;color:var(--od);font-weight:700;font-size:.9rem;line-height:1.3;box-shadow:0 10px 20px -14px rgba(0,0,0,.5)}
.dn-steps li::before{display:none}
.dn-steps b{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--o),var(--g));color:#fff;font-size:1.05rem;flex:none}
.dn-hero-m{position:relative;z-index:1;align-self:end;text-align:center}
.dn-hero-m img{width:220px;max-width:100%;height:auto;display:block;margin:0 auto;filter:drop-shadow(0 18px 20px rgba(120,40,0,.35));animation:dnBob 3.6s ease-in-out infinite}
@keyframes dnBob{50%{transform:translateY(-8px) rotate(-2deg)}}
.dn-ribbon{position:relative;z-index:2;grid-column:1/-1;display:flex;align-items:center;gap:12px;margin:0 -40px;padding:12px 40px;background:rgba(42,29,21,.82);color:#FFE7B8;font-weight:600;font-size:.95rem}
.dn-ribbon-b{flex:none;padding:3px 12px;border-radius:99px;background:#E8434F;color:#fff;font-weight:800;transform:rotate(-4deg);box-shadow:0 6px 14px -6px rgba(232,67,79,.9)}

/* ---------- layout ---------- */
.dn-grid{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:24px;align-items:start;margin-top:24px}
.dn-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px}
.dn-card{background:#fff;border:1.5px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 18px 40px -30px rgba(120,60,10,.55)}
.dn-step{display:inline-block;padding:3px 12px;border-radius:99px;background:var(--soft);color:var(--od);font-weight:700;font-size:.8rem}
.dn-card h2{margin:8px 0 4px;font-size:1.45rem;font-weight:800;line-height:1.3}
.dn-sub{margin:0 0 6px;color:var(--mut);font-size:.9rem}
.req{font-style:normal;color:var(--err)}

/* QR */
.dn-qrcard{text-align:center;border-color:#F2D79A;background:linear-gradient(180deg,#FFFDF7,#fff)}
.dn-qrhead{display:block;width:100%;max-width:260px;height:auto;margin:12px auto 6px;border-radius:8px}
.dn-qrimg{position:relative;width:min(100%,280px);margin:6px auto 0;padding:12px;border-radius:22px;background:#fff;border:2px solid #F2D79A;box-shadow:0 16px 30px -22px rgba(150,100,0,.7)}
.dn-qrimg::before,.dn-qrimg::after{content:"";position:absolute;width:26px;height:26px;border:4px solid var(--o);border-radius:6px}
.dn-qrimg::before{top:-4px;left:-4px;border-right:0;border-bottom:0}
.dn-qrimg::after{bottom:-4px;right:-4px;border-left:0;border-top:0}
.dn-qrimg img{display:block;width:100%;height:auto;image-rendering:pixelated}
.dn-biller{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin:14px 0 4px;font-size:.88rem;color:var(--mut)}
.dn-biller b{font-size:1.02rem;color:var(--ink);letter-spacing:.04em;font-variant-numeric:tabular-nums}
.dn-qr-acts{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:12px}
.dn-tip{margin:14px 0 0;padding:10px 12px;border-radius:14px;background:var(--soft);font-size:.84rem;color:#6B4F3A;text-align:left}
.dn-tip b{color:var(--od)}
.dn-note{margin:10px 0 0;font-size:.82rem;color:var(--mut);text-align:left}
.dn-gift{display:flex;gap:14px;align-items:center;background:linear-gradient(135deg,#FFF8E6,#FFEFD6);border-color:#F2D79A}
.dn-gift img{width:78px;height:auto;flex:none;filter:drop-shadow(0 8px 10px rgba(150,70,0,.25))}
.dn-gift-tag{display:inline-block;padding:2px 10px;border-radius:99px;background:#E8434F;color:#fff;font-size:.75rem;font-weight:700}
.dn-gift b{display:block;margin-top:4px;font-size:1.05rem;line-height:1.35}
.dn-gift p{margin:4px 0 0;font-size:.86rem;color:#6B4F3A}
.dn-gift small{color:var(--mut)}

/* ---------- ปุ่ม ---------- */
.dn-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;border-radius:14px;border:1.5px solid transparent;font:inherit;font-weight:700;font-size:.92rem;cursor:pointer;text-decoration:none!important;transition:transform .15s,background .2s,box-shadow .2s;line-height:1.2}
.dn-btn:hover{transform:translateY(-1px)}
.dn-btn-soft{background:var(--soft);color:var(--od)!important;border-color:var(--line)}
.dn-btn-soft:hover{background:#FFEBD2}
.dn-btn-o{background:var(--o);color:#fff!important;box-shadow:0 10px 20px -12px var(--o)}
.dn-btn-o:hover{background:var(--od)}
.dn-chip{font:inherit;font-size:.85rem;font-weight:600;padding:6px 14px;border-radius:99px;border:1.5px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:all .15s;line-height:1.3}
.dn-chip:hover{border-color:var(--o);color:var(--od)}
.dn-chip.on{background:var(--o);border-color:var(--o);color:#fff}

/* ---------- ฟอร์ม ---------- */
.dn-form{padding:28px}
.dn-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.dn-fs{border:0;margin:18px 0 0;padding:18px 0 0;border-top:1.5px dashed var(--line);min-width:0}
.dn-fs legend{display:flex;align-items:center;gap:10px;padding:0;margin:0 0 12px;font-weight:800;font-size:1.08rem}
.dn-fs legend span{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:var(--ink);color:#FFD9A8;font-size:.9rem}
.dn-f{display:block;margin:0 0 14px;min-width:0}
.dn-f>span{display:block;margin-bottom:6px;font-weight:600;font-size:.92rem}
.dn-f>span small{font-weight:400;color:var(--mut)}
.dn input[type=text],.dn input[type=tel],.dn input[type=email],.dn input[type=datetime-local],.dn textarea{width:100%;font:inherit;font-size:1rem;padding:11px 14px;border:1.5px solid #E6D3BD;border-radius:14px;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s;min-width:0;-webkit-appearance:none;appearance:none}
.dn input[type=datetime-local]{min-height:48px}
.dn textarea{resize:vertical;min-height:72px}
.dn input:focus,.dn textarea:focus{outline:0;border-color:var(--o);box-shadow:0 0 0 4px rgba(232,115,26,.15)}
.dn .is-bad input,.dn .is-bad textarea,.dn .is-bad .dn-amt,.dn .is-bad .dn-drop{border-color:var(--err)!important;box-shadow:0 0 0 4px rgba(200,55,45,.1)}
.dn-err{display:block;font-style:normal;color:var(--err);font-size:.84rem;margin-top:5px;min-height:0}
.dn-err:empty{display:none}
.dn-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.dn-seg{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:5px;margin:0 0 14px;border-radius:16px;background:var(--soft);border:1.5px solid var(--line)}
.dn-seg label{position:relative;margin:0;cursor:pointer}
.dn-seg input,.dn-opt input,.dn-sizes input{position:absolute;opacity:0;pointer-events:none}
.dn-seg span{display:block;text-align:center;padding:9px 8px;border-radius:12px;font-weight:700;font-size:.92rem;color:var(--mut);transition:all .2s}
.dn-seg input:checked+span{background:#fff;color:var(--od);box-shadow:0 6px 14px -8px rgba(150,70,0,.6)}
.dn-seg input:focus-visible+span,.dn-opt input:focus-visible+span,.dn-sizes input:focus-visible+span{outline:3px solid rgba(232,115,26,.35)}
.dn-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.dn-opt{position:relative;margin:0;cursor:pointer;display:block}
.dn-opt>span{display:flex;flex-direction:column;gap:3px;height:100%;padding:12px 14px;border-radius:16px;border:1.5px solid var(--line);background:#fff;transition:all .2s}
.dn-opt b{font-size:.95rem}
.dn-opt small{color:var(--mut);font-size:.8rem;line-height:1.45}
.dn-opt input:checked+span{border-color:var(--o);background:var(--soft);box-shadow:0 0 0 3px rgba(232,115,26,.15)}
.dn-amt{display:flex;align-items:center;border:1.5px solid #E6D3BD;border-radius:16px;background:#fff;padding:0 14px;transition:border-color .15s,box-shadow .15s}
.dn-amt:focus-within{border-color:var(--o);box-shadow:0 0 0 4px rgba(232,115,26,.15)}
.dn-amt b{font-size:1.5rem;color:var(--o)}
.dn .dn-amt input{border:0!important;box-shadow:none!important;font-size:1.7rem;font-weight:800;padding:8px 10px;color:var(--ink);font-variant-numeric:tabular-nums}
.dn-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.dn-drop{position:relative;display:block;border:2px dashed #E6C9A5;border-radius:18px;background:var(--soft);cursor:pointer;transition:all .2s;overflow:hidden}
.dn-drop:hover,.dn-drop.over{border-color:var(--o);background:#FFEEDB}
.dn-drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.dn-drop-empty{display:flex;flex-direction:column;align-items:center;gap:2px;padding:22px 14px;text-align:center}
.dn-drop-ic{font-size:1.8rem}
.dn-drop-empty small{color:var(--mut)}
.dn-drop-full{display:flex;align-items:center;gap:12px;padding:10px;position:relative;z-index:1;pointer-events:none}
.dn-drop-full img{width:64px;height:84px;object-fit:cover;border-radius:10px;border:1px solid var(--line);background:#fff}
.dn-pdf{width:64px;height:84px;border-radius:10px;display:grid;place-items:center;background:#DC3B2F;color:#fff;font-weight:800}
.dn-drop-name{flex:1;min-width:0;font-weight:600;font-size:.9rem;word-break:break-all}
.dn-drop-full .dn-chip{pointer-events:auto}
.dn-giftfs{margin-top:18px;padding:18px;border:1.5px solid #F2D79A;border-radius:20px;background:linear-gradient(180deg,#FFFBF0,#fff)}
.dn-giftfs legend{float:left;width:100%;margin-bottom:12px}
.dn-giftfs legend+*{clear:both}
.dn-meter{padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);margin-bottom:12px}
.dn-meter-t{display:flex;justify-content:space-between;gap:10px;font-size:.9rem;margin-bottom:8px}
.dn-meter-t span{font-weight:800;color:var(--od)}
.dn-bar{height:10px;border-radius:99px;background:#F5E6D3;overflow:hidden}
.dn-bar i{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--o),var(--g2));transition:width .5s cubic-bezier(.2,.7,.2,1)}
.dn-meter.done{border-color:#B8E2C6;background:#F2FBF5}
.dn-meter.done .dn-meter-t span{color:var(--ok)}
.dn-meter.done .dn-bar i{background:linear-gradient(90deg,#1F8A4C,#5CC98B)}
.dn-sizes{display:flex;flex-wrap:wrap;gap:8px}
.dn-sizes label{position:relative;margin:0;cursor:pointer}
.dn-sizes span{display:grid;place-items:center;min-width:54px;height:46px;padding:0 12px;border-radius:14px;border:1.5px solid var(--line);background:#fff;font-weight:800;transition:all .15s}
.dn-sizes input:checked+span{background:var(--o);border-color:var(--o);color:#fff;transform:translateY(-2px);box-shadow:0 8px 16px -8px var(--o)}
.dn-post{max-width:200px}
.dn-check{display:flex;gap:10px;align-items:flex-start;margin:18px 0 0;cursor:pointer;font-size:.9rem;line-height:1.55}
.dn-check input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--o);flex:none}
.dn-check-big{margin:0 0 14px;padding:12px 14px;border-radius:14px;background:#fff;border:1.5px solid var(--line);font-size:.95rem}
.dn-alert{margin:16px 0 0;padding:12px 14px;border-radius:14px;background:#FDECEB;color:var(--err);font-weight:600;font-size:.92rem}
.dn-submit{position:relative;width:100%;margin-top:18px;padding:16px 20px;border:0;border-radius:18px;font:inherit;font-weight:800;font-size:1.12rem;color:#fff;cursor:pointer;
  background:linear-gradient(120deg,#C54E05,var(--o) 45%,var(--g));background-size:180% 100%;box-shadow:0 18px 30px -16px rgba(197,78,5,.85);transition:background-position .4s,transform .15s}
.dn-submit:hover{background-position:100% 0;transform:translateY(-2px)}
.dn-submit-tx{display:inline-flex;align-items:center;gap:10px}
.dn-submit-tx svg{width:20px;height:20px;animation:dnBeat 1.6s ease-in-out infinite}
@keyframes dnBeat{0%,100%{transform:scale(1)}15%{transform:scale(1.2)}30%{transform:scale(1)}45%{transform:scale(1.12)}}
.dn-spin{display:none;width:22px;height:22px;border:3px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:dnSpin .8s linear infinite;margin:0 auto}
.dn-submit.busy{pointer-events:none;opacity:.9}
.dn-submit.busy .dn-submit-tx{display:none}
.dn-submit.busy .dn-spin{display:block}
@keyframes dnSpin{to{transform:rotate(360deg)}}
.dn-contact{margin:14px 0 0;text-align:center;font-size:.85rem;color:var(--mut)}

/* ---------- ป๊อปอัป ---------- */
.dn-modal{position:fixed;inset:0;z-index:2000;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(42,20,6,.55);backdrop-filter:blur(4px);animation:dnFade .25s}
@keyframes dnFade{from{opacity:0}}
.dn-modal-box{position:relative;width:min(100%,460px);max-height:calc(100vh - 32px);overflow:auto;padding:30px 26px 24px;border-radius:30px;background:radial-gradient(circle at 50% 0%,#FFF1D6,#fff 55%);text-align:center;box-shadow:0 40px 80px -30px rgba(0,0,0,.6);animation:dnPop .5s cubic-bezier(.2,1.4,.4,1)}
@keyframes dnPop{from{transform:translateY(30px) scale(.9);opacity:0}}
.dn-confetti{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.dn-thanks-m{position:relative;width:110px;height:auto;margin:-4px auto 4px;display:block;animation:dnBob 3s ease-in-out infinite}
.dn-eb-o{background:var(--soft);color:var(--od);backdrop-filter:none}
.dn-modal-box h2{position:relative;margin:10px 0 6px;font-size:1.6rem;font-weight:800;line-height:1.3}
.dn-modal-box h2 span{color:var(--o);word-break:break-word}
.dn-t-amt{position:relative;margin:0;color:var(--mut)}
.dn-t-amt b{font-size:1.3rem;color:var(--ink)}
.dn-t-ref{position:relative;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin:14px 0 0;padding:10px 12px;border-radius:16px;background:#fff;border:1.5px dashed var(--line)}
.dn-t-ref small{width:100%;color:var(--mut)}
.dn-t-ref b{font-size:1.25rem;letter-spacing:.06em}
.dn-t-gift{position:relative;margin:12px 0 0;padding:10px 12px;border-radius:14px;background:#F2FBF5;color:#1F6B3E;font-size:.9rem;font-weight:600}
.dn-t-msg{position:relative;margin:12px 0 0;font-size:.9rem;color:#6B4F3A}
.dn-t-acts{position:relative;display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.dn-modal-img .dn-modal-box{width:min(100%,1000px);padding:12px;background:#fff}
.dn-modal-img img{display:block;width:100%;height:auto;border-radius:20px}
.dn-x{position:absolute;top:18px;right:18px;z-index:2;width:38px;height:38px;border-radius:50%;border:0;background:rgba(255,255,255,.95);font-size:1rem;cursor:pointer;box-shadow:0 6px 14px rgba(0,0,0,.25)}
html.dn-lock{overflow:hidden}

/* ---------- จอเล็ก ---------- */
@media (max-width:980px){
  .dn-grid{grid-template-columns:1fr}
  .dn-side{position:static}
  .dn-qrcard{display:grid;grid-template-columns:auto 1fr;gap:4px 18px;text-align:left;align-items:start}
  .dn-qrcard>.dn-step,.dn-qrcard>h2{grid-column:1/-1}
  .dn-qrcard .dn-qrhead{display:none}
  .dn-qrimg{grid-row:3/7;width:200px;margin:6px 0 0}
  .dn-biller,.dn-qr-acts{justify-content:flex-start}
  .dn-tip,.dn-note{grid-column:2}
}
@media (max-width:680px){
  .dn{padding:10px 12px 40px}
  .dn-hero{grid-template-columns:1fr 110px;padding:26px 20px 0;border-radius:24px}
  .dn-hero-tx{padding-bottom:22px}
  .dn-hero p{font-size:.95rem}
  .dn-hero-m img{width:110px}
  .dn-steps{grid-column:1/-1}
  .dn-steps li{flex:1 1 auto;padding:6px 10px 6px 6px;font-size:.8rem}
  .dn-steps b{width:28px;height:28px;font-size:.9rem}
  .dn-ribbon{margin:0 -20px;padding:10px 20px;font-size:.85rem}
  .dn-card,.dn-form{padding:18px;border-radius:22px}
  .dn-qrcard{display:block;text-align:center}
  .dn-qrcard .dn-qrhead{display:block;max-width:220px}
  .dn-qrimg{width:min(100%,250px);margin:6px auto 0}
  .dn-biller,.dn-qr-acts{justify-content:center}
  .dn-row,.dn-opts{grid-template-columns:1fr}
  .dn-post{max-width:none}
  .dn-modal-box{padding:24px 18px 20px;border-radius:24px}
}
@media (max-width:420px){.dn-hero-tx{grid-column:1/-1}.dn-hero{grid-template-columns:1fr}.dn-hero-m{display:none}}
@media (prefers-reduced-motion:reduce){.dn-sparks i,.dn-hero-m img,.dn-thanks-m,.dn-submit-tx svg{animation:none}}