@font-face{font-family:Sarabun;src:url(Sarabun-Regular.ttf);font-display:swap}
@font-face{font-family:Sarabun;src:url(Sarabun-Bold.ttf);font-weight:700;font-display:swap}
:root{--green:#14664e;--deep:#123e32;--light:#edf5ee;--ink:#1c352c;--muted:#53685c;--border:#dce6df;--rail:228px}
*{box-sizing:border-box}body{margin:0;background:#f4f7f3;color:var(--ink);font:16px/1.6 Sarabun,Tahoma,sans-serif}
[hidden]{display:none!important}h1,h2,h3,p{margin:0 0 .55em}h1{font-size:32px;line-height:1.3}h2{font-size:22px}
button,input,select,textarea{font:inherit}button,.button{min-height:44px;border:0;border-radius:9px;background:var(--green);color:white;padding:9px 16px;cursor:pointer;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px}button:hover,.button:hover{filter:brightness(.93)}button:disabled{opacity:.55;cursor:default}.ghost{background:#e7f1e9;color:var(--green)}:focus-visible{outline:3px solid #c39034;outline-offset:2px}
input,select,textarea{width:100%;min-height:44px;border:1px solid #b6c9bb;border-radius:9px;padding:8px 10px;background:#fff;color:var(--ink)}label{display:block;margin:8px 0;font-size:14px;font-weight:700}label input,label select,label textarea{margin-top:4px}textarea{resize:vertical}input[type=checkbox]{width:20px;min-height:20px;margin:0}label.inline{display:flex;gap:10px;align-items:center}
a{color:var(--green)}.muted{color:var(--muted);font-size:14px}.eyebrow{display:block;color:var(--green);font-weight:700;letter-spacing:1.8px;font-size:11px;margin-bottom:8px}.panel{background:white;border:1px solid var(--border);border-radius:16px;padding:22px;margin-bottom:18px;box-shadow:0 8px 26px #163c2707}.notice,.warning,.error{margin:12px 0;border-radius:8px;padding:11px 14px;border-left:4px solid var(--green);background:#e7f3ea}.warning{border-color:#c28b2a;background:#fff5dc}.error{border-color:#b93a34;background:#fff0ed;color:#892524}.row,.filters,.chips{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.spread,.page-head{justify-content:space-between}.filters{align-items:end}.filters label{flex:1 1 120px}.filters label.wide{flex:2 1 210px}.filters button{margin-bottom:8px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}
aside{position:fixed;inset:0 auto 0 0;width:var(--rail);background:var(--deep);color:#fff;padding:26px 16px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:10px;margin:0 4px 32px}.brand img{width:52px;height:52px;object-fit:contain;border-radius:12px;background:white}.brand strong{font-size:21px}.brand small{display:block;font-size:11px;color:#e2ece4}.sidebar-foot{margin-top:auto;border-top:1px solid #ffffff33;padding:12px 4px}.sidebar-foot button{display:flex;width:100%;margin-top:9px}.workspace{margin-left:var(--rail);padding:0 28px 40px}.topbar,.page-head{display:flex;gap:12px;align-items:center;margin-bottom:21px}.topbar{border-bottom:1px solid var(--border);padding:17px 0;justify-content:space-between;color:var(--muted);font-size:13px}nav{display:grid;gap:5px}nav button{justify-content:flex-start;background:none;color:#e1ece4}nav button.active{background:#e8f4eb;color:var(--deep)}nav button span{font-size:18px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:16px 0}.stat{background:white;padding:16px;border:1px solid var(--border);border-radius:14px}.stat strong{display:block;font-size:32px}.dash-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:16px}.donut{width:178px;height:178px;border-radius:50%;position:relative;display:grid;place-items:center;margin:15px auto}.donut:before{content:'';position:absolute;inset:29px;border-radius:50%;background:white}.donut b{position:relative;font-size:25px;text-align:center}.donut small{display:block;font-size:12px}.legend{justify-content:center;font-size:13px}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:4px}.item-row{border-bottom:1px solid var(--border);padding:10px 0}.item-row:last-child{border:0}
.student-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:16px 0 115px}.student-card{border:2px solid #99c9a8;background:#edf8ee;border-radius:12px;overflow:hidden;transition:transform .12s}.student-card:active{transform:scale(.98)}.student-card.late{background:#fff5dc;border-color:#d6ad4a;color:#764f0d}.student-card.absent{background:#fff0ee;border-color:#e0a49b;color:#922b27}.student-card.sick{background:#edf4ff;border-color:#a8c3eb;color:#254d89}.student-card.personal{background:#f5edff;border-color:#c6aae7;color:#643a91}.student-card .cycle{background:none;color:inherit;width:100%;min-height:143px;text-align:left;display:flex;align-items:start;justify-content:flex-start;flex-direction:column;gap:2px}.student-card .number{font-size:22px}.student-card small{font-weight:400}.student-card .note{display:block;width:100%;color:inherit;background:#ffffff88;border-top:1px solid #0001;border-radius:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px}.save-bar{position:fixed;left:var(--rail);right:0;bottom:0;z-index:10;background:#fffffffa;border-top:1px solid var(--border);padding:12px 22px;display:flex;gap:10px;justify-content:space-between;align-items:center}.summary-counts{display:flex;flex-wrap:wrap;gap:10px;font-size:13px}.save-bar button{flex-shrink:0}
.table-wrap{max-height:65vh;overflow:auto;border:1px solid var(--border);border-radius:9px}table{width:100%;border-collapse:separate;border-spacing:0;background:white;font-size:13px}th,td{text-align:left;white-space:nowrap;padding:8px 10px;border-bottom:1px solid var(--border)}th{position:sticky;top:0;z-index:2;background:#eaf2e9}th:first-child,td:first-child{position:sticky;left:0;background:#fff;z-index:1}th:first-child{background:#eaf2e9;z-index:3}.risk td{background:#fff0ee}.watch td{background:#fff8e3}.risk td:first-child{background:#fff0ee}.watch td:first-child{background:#fff8e3}.symbol,.pill{display:inline-block;padding:2px 6px;border-radius:5px;background:#e7f2e9;color:#165f39;font-weight:700}.symbol.late{background:#fff0ba;color:#764d00}.symbol.absent{background:#ffdeda;color:#982723}.symbol.sick{background:#deebff;color:#255490}.symbol.personal{background:#eee0ff;color:#62358c}.empty,.loading{padding:24px;text-align:center;color:var(--muted)}.alert-card{border-left:4px solid #cc8057}details{margin:10px 0}summary{cursor:pointer;padding:10px;background:#edf5ee;border-radius:8px;font-weight:700}.audit-detail{white-space:pre-wrap;max-width:500px}
.setup{padding:24px 12px}.setup-panel{max-width:680px;margin:auto}.checks{list-style:none;padding:12px;background:var(--light);display:grid;grid-template-columns:1fr 1fr;gap:4px}.login-shell{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.login-brand{background:var(--deep);color:#fff;display:flex;flex-direction:column;justify-content:center;padding:8vw}.login-brand .eyebrow{color:#bddec9;margin-top:24px}.login-brand h1{font-size:42px}.brand-mark{border:1px solid #82a893;border-radius:16px;width:75px;padding:10px;text-align:center;font-size:21px;font-weight:700;line-height:1.2}.login-form{display:grid;place-items:center;padding:20px}.login-form .panel{width:100%;max-width:400px;padding:28px}.login-form button{width:100%;margin:10px 0}dialog{width:min(460px,92vw);padding:20px;border:1px solid var(--border);border-radius:14px}dialog::backdrop{background:#172f26a0}#toast{position:fixed;z-index:100;top:12px;left:50%;transform:translateX(-50%);width:max-content;max-width:92vw;background:var(--deep);color:white;padding:12px 16px;border-radius:9px}
@media(max-width:1150px){.student-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:930px){:root{--rail:185px}.student-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.stats{grid-template-columns:repeat(2,1fr)}.dash-grid{grid-template-columns:1fr}}
@media(max-width:700px){:root{--rail:0px}aside{inset:auto 0 0;width:100%;height:70px;padding:5px 3px}.brand,.sidebar-foot{display:none}nav{display:flex;justify-content:space-around;overflow:auto}nav button{padding:4px;min-width:50px;flex-direction:column;font-size:11px;gap:0}.workspace{padding:0 12px 90px}.topbar{font-size:11px}.page-head{align-items:flex-start}.page-head h1{font-size:24px}.panel{padding:14px}.student-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:105px}.save-bar{bottom:70px;padding:9px 12px;flex-wrap:wrap}.summary-counts{gap:7px;font-size:12px}.form-grid,.login-shell{grid-template-columns:1fr}.login-brand{padding:24px}.login-brand h1{font-size:26px}.login-brand p{display:none}.filters label.wide{flex-basis:100%}.checks{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}