/* ฟอนต์: TH Sarabun New (ฝังในเว็บ css/fonts.css) → Sarabun (Google Fonts สำรอง) → ฟอนต์ไทยของระบบ */
:root{
  --green:#1f4d3a;--green-2:#2f6b52;--ink:#0f2a20;--gold:#a98a4a;--gold-soft:#efe5cc;--ivory:#fbf8ef;--paper:#fffdf8;
  --line:#d3ddd5;--muted:#5d7468;--danger:#8a3b2b;
  --font:"TH Sarabun Adj","Sarabun","Noto Sans Thai","Leelawadee UI",Tahoma,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:var(--font);font-size:18px;line-height:1.5;padding-bottom:150px}
button,input,select{font:inherit;color:inherit}
.wrap{width:min(1080px,100% - 32px);margin-inline:auto}
.muted{color:var(--muted)}.small{font-size:15px}

.site-head{background:var(--green);color:#f6f1e2;border-bottom:3px solid var(--gold)}
.head-in{display:flex;align-items:center;gap:16px;padding:16px 0}
.head-logo{width:64px;height:64px;object-fit:contain;background:#fffdf8;border-radius:50%;padding:6px}
.eyebrow{margin:0;font-size:14px;letter-spacing:.18em;color:#d9c48f;font-weight:600}
h1{margin:0;font-size:clamp(24px,4.4vw,34px);line-height:1.2;font-weight:700}
h2{margin:0;font-size:22px;font-weight:700;color:var(--green)}

.notice{margin:22px 0 8px;padding:10px 14px;border-left:3px solid var(--gold);background:var(--paper);font-size:16px;color:#3c5649}
.block{background:var(--paper);border:1px solid var(--line);border-radius:6px;box-shadow:0 1px 6px rgba(31,77,58,.05);padding:22px;margin-top:20px}
.block-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.num{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;border:1.5px solid var(--gold);color:var(--gold);font-weight:700;font-size:16px}
.tag{margin-left:auto;font-size:15px;color:var(--green);background:var(--gold-soft);padding:2px 12px;border-radius:99px}

.grid-student{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px 16px}
.span2{grid-column:span 2}
.field{min-width:0;max-width:100%}
.field label{display:block;font-size:16px;font-weight:600;margin-bottom:4px;color:var(--green)}
.field small{font-weight:400;color:var(--muted)}
input,select{width:100%;max-width:100%;min-width:0;min-height:44px;padding:6px 10px;border:1px solid #b9c8bd;border-radius:4px;background:#fff;outline:none}
input:focus,select:focus,button:focus-visible{border-color:var(--green-2);box-shadow:0 0 0 3px rgba(47,107,82,.18)}
select:disabled{background:#f1f3ef;color:#8a9a90}
input::placeholder{color:#97a79d}

.sig{margin-top:14px}.sig summary{cursor:pointer;color:var(--green);font-weight:600}.grid-sig{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:10px 0 4px}
.empty{margin:0;padding:26px 8px;text-align:center;color:var(--muted)}
.sec-title{margin:22px 0 8px;padding:5px 12px;background:var(--gold-soft);color:#5b4a1f;font-weight:700;font-size:18px;border-radius:3px}
.sec-title:first-child{margin-top:0}
.sec-title small{font-weight:400;color:#7a6a3d}
.grid-row{display:grid;grid-template-columns:96px minmax(0,1fr) 64px 64px 92px 128px 132px;gap:8px;align-items:center}
.thead{padding:6px 8px;font-size:15px;font-weight:700;color:var(--green);border-bottom:2px solid var(--green);text-align:center}
.thead>:nth-child(2){text-align:left}
.row{padding:7px 8px;border-bottom:1px solid var(--line)}
.row:hover{background:#faf6ea}
.c-code{font-size:15px;color:var(--muted);overflow-wrap:anywhere}
.c-name{line-height:1.3}
.c-num{text-align:center}
.row input,.row select{min-height:38px;padding:3px 8px;text-align:center}
.row select.empty-grade{color:#8a9a90}
.row .lbl{display:none}
.act-row{display:grid;grid-template-columns:96px minmax(0,1fr) 200px;gap:8px;align-items:center;padding:7px 8px;border-bottom:1px solid var(--line)}
.act-note{margin:4px 0 0;font-size:15px;color:var(--muted)}

.bar{position:fixed;left:0;right:0;bottom:0;background:rgba(255,253,248,.97);border-top:2px solid var(--gold);box-shadow:0 -4px 16px rgba(15,42,32,.08);z-index:10}
.bar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;flex-wrap:wrap}
.stats{display:flex;gap:22px;margin:0;flex-wrap:wrap}
.stats>div{min-width:0}
.stats dt{font-size:14px;color:var(--muted);line-height:1.2}
.stats dd{margin:0;font-size:22px;font-weight:700;color:var(--green);line-height:1.2}
.stats .gpa dd{font-size:32px;color:var(--gold);line-height:1}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{min-height:46px;padding:8px 18px;border-radius:4px;border:1.5px solid var(--green);cursor:pointer;font-weight:700;font-size:17px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.btn.primary{background:var(--green);color:#fff8e6}
.btn.primary:hover{background:var(--green-2)}
.btn.ghost{background:transparent;color:var(--green)}
.btn.ghost:hover{background:var(--gold-soft)}
#previewImg{display:block;max-width:100%;height:auto;border:1px solid var(--line);margin:10px 0}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:170px;background:var(--ink);color:#fff;padding:10px 18px;border-radius:4px;z-index:20;max-width:92vw;text-align:center}

@media (max-width:860px){
  .grid-student{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-row.thead{display:none}
  .row{grid-template-columns:1fr 1fr;gap:8px 10px;border:1px solid var(--line);border-radius:5px;margin-bottom:10px;padding:10px}
  .row>*{order:3}
  .row .c-code{grid-column:1/-1;order:1}
  .row .c-name{grid-column:1/-1;order:2;font-weight:600;font-size:19px}
  .row .lbl{display:block;font-size:14px;color:var(--muted);margin-bottom:2px;text-align:left}
  .row .c-num{text-align:left}
  .row .c-fix{grid-column:1/-1}
  .act-row{grid-template-columns:1fr;gap:4px}
  .span2{grid-column:1/-1}
  .grid-sig{grid-template-columns:1fr}
}
@media (max-width:560px){
  body{font-size:17px;padding-bottom:190px}
  .block{padding:16px 14px}
  .wrap{width:calc(100% - 24px)}
  .bar-in{gap:8px}
  .stats{gap:14px;width:100%;justify-content:space-between}
  .stats dd{font-size:18px}.stats .gpa dd{font-size:28px}
  .actions{width:100%;gap:6px}.actions .btn{flex:1 1 100%;min-height:42px;padding:4px 12px}
  .toast{bottom:210px}
}