@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&display=swap');
:root{--bg:#f7f9fc;--ink:#263249;--muted:#8290a5;--purple:#8565cc;--border:#e9eaf3;--shadow:0 12px 40px rgba(42,47,80,.045)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Prompt,'Noto Sans Thai',Tahoma,sans-serif;font-size:14px}button,input,select{font:inherit}button,a{cursor:pointer}a{text-decoration:none;color:inherit}.layout{display:flex;min-height:100vh}.sidebar{width:242px;background:#fff;position:sticky;top:0;height:100vh;padding:27px 17px;display:flex;flex-direction:column;border-right:1px solid var(--border);flex-shrink:0}.logo{display:flex;align-items:center;font-size:21px;font-weight:700;gap:13px;padding:3px 12px 30px}.logo small{display:block;font-size:11px;color:#98a3ba;font-weight:400;letter-spacing:.05em}.logo-icon,.brand-icon{display:grid;place-items:center;width:41px;height:41px;border-radius:13px;background:#ece3ff;color:#8061ca;font-size:27px}.sidebar nav{display:grid;gap:8px}.sidebar nav a{padding:13px 15px;border-radius:13px;color:#7a879d;font-weight:500}.sidebar nav a:hover,.sidebar nav a.active{background:#f1edff;color:#7754c4}.aside-note{margin-top:auto;background:#f4efff;border-radius:18px;padding:20px;color:#725cb0;line-height:2}.aside-note small{opacity:.75}.logout{border:0;background:none;color:#9b7caa;text-align:left;padding:18px;width:100%}.main{width:calc(100% - 242px);max-width:1560px;margin:auto;padding:35px 40px 30px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:20px}.eyebrow{font-size:11px;letter-spacing:.12em;color:#9e8ac7;font-weight:600}h1{font-size:29px;margin:5px 0 7px;line-height:1.35}.purple{color:#8c6dd2}.subtitle{color:#8997ac;margin:0}.top-pill{white-space:nowrap;background:#eee9ff;color:#795dc4;border-radius:100px;padding:12px 20px}.panel{background:#fff;border:1px solid #eff0f5;border-radius:19px;box-shadow:var(--shadow);padding:24px}.filters{margin-bottom:22px}.filter-heading{font-weight:600;margin-bottom:18px;font-size:15px}.filter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.filter-grid label,.auth-card label{display:grid;gap:7px;font-size:12px;color:#6c7890}.filter-grid input,.filter-grid select,.auth-card input{min-width:0;width:100%;height:43px;padding:0 13px;border:1px solid #e5e7f0;border-radius:10px;background:#fbfcff;color:#48546b;outline:none}.filter-grid input:focus,.filter-grid select:focus,.auth-card input:focus{border-color:#a993e7;box-shadow:0 0 0 3px #a993e71a}.searchlabel{grid-column:span 4}.filter-actions{display:flex;justify-content:flex-end;gap:11px;margin-top:17px}button.secondary,.primary-link,.primary{border:none;padding:10px 17px;border-radius:11px;background:#8d75d2;color:#fff;font-weight:500}button.secondary{background:#f0f0f8;color:#7a8096}.kpi-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin-bottom:18px}.kpi{border-radius:17px;padding:20px;display:flex;flex-direction:column;min-height:134px}.kpi span{font-size:13px;color:#67728a}.kpi strong{font-size:34px;letter-spacing:-.05em;margin:5px 0;color:#33425b;line-height:1.25}.kpi small{font-size:11px;color:#76849a}.pink{background:#fbe6ed}.blue{background:#e0edff}.yellow{background:#fff1d3}.mint{background:#e1f4e9}.lilac{background:#ece7ff}.cream{background:#fff2ea}.notice-banner{display:flex;gap:14px;align-items:flex-start;padding:15px 20px;border:1px solid #f0e5bf;background:#fffaf0;border-radius:16px;margin-bottom:22px;color:#897846}.notice-banner span{font-size:20px}.notice-banner p{margin:5px 0 0;font-size:12px;line-height:1.8}.chart-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:19px;margin-bottom:19px}.section-title{margin-bottom:18px}.section-title h2{font-size:17px;margin:0 0 3px}.section-title p{color:#9aa4b5;font-size:12px;margin:0}.chart-wrap{height:295px;position:relative}.chart-wrap.wide{height:330px;margin-bottom:16px}.donut-wrap{height:230px;max-width:320px;margin:auto;position:relative}.legend{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;padding-top:12px;color:#647189}.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px}.full-panel{margin-bottom:19px}.table-wrap{overflow-x:auto;max-height:550px;scrollbar-color:#dcd9ef transparent}table{border-collapse:separate;border-spacing:0;width:100%;min-width:730px}th{position:sticky;top:0;background:#f7f7fd;color:#66748c;font-size:12px;font-weight:600;text-align:left;padding:13px 12px;z-index:1;white-space:nowrap}td{padding:12px;border-bottom:1px solid #eff0f5;font-size:12px;color:#566279}tr:hover td{background:#fcfbff}.grade-pill{display:inline-block;min-width:30px;text-align:center;padding:4px 9px;border-radius:9px;background:#fce8ec;color:#b96c89;font-weight:700}.basis{font-size:11px;color:#728097}.pagination{display:flex;justify-content:flex-end;align-items:center;gap:16px;padding-top:19px;color:#7f8ca2}.pagination button:disabled{opacity:.35;cursor:not-allowed}.student-link{border:0;color:#8565cc;background:#f2edff;border-radius:9px;padding:5px 11px}footer{text-align:center;color:#9ba5b8;font-size:11px;margin-top:36px;line-height:2}.auth-page{display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 10%,#eee6ff,transparent 35%),radial-gradient(circle at 90% 90%,#e1f5f4,transparent 35%),#f7f8fd}.auth-card{width:min(100%,470px);padding:36px;background:white;border-radius:24px;box-shadow:0 20px 75px #6b6f9817}.auth-card .brand-icon{margin-bottom:17px}.auth-card h1{font-size:25px}.muted,.footnote{color:#8793a7;font-size:12px;line-height:1.8}.auth-card form{display:grid;gap:13px;margin-top:22px}.auth-card .primary{margin-top:8px;padding:13px}.auth-card hr{width:100%;border:0;border-top:1px solid #ebeaf5}.alert,.notice{padding:13px;border-radius:10px;background:#ffe9ec;color:#9b4257;margin:12px 0}.notice{background:#e4f7ee;color:#37785b}@media(max-width:1150px){.main{padding:26px}.kpi-grid{grid-template-columns:repeat(3,1fr)}.filter-grid{grid-template-columns:repeat(2,1fr)}.searchlabel{grid-column:span 2}}@media(max-width:750px){.layout{display:block}.sidebar{position:relative;width:100%;height:auto;padding:14px}.logo{padding-bottom:10px}.sidebar nav{display:flex;overflow:auto;gap:4px}.sidebar nav a{flex-shrink:0;font-size:11px;padding:8px}.aside-note{display:none}.logout{padding:5px 12px}.main{width:100%;padding:16px}.topbar{display:block}.top-pill{display:none}h1{font-size:23px}.filter-grid{grid-template-columns:1fr}.searchlabel{grid-column:span 1}.kpi-grid{grid-template-columns:repeat(2,1fr)}.kpi{padding:15px;min-height:112px}.kpi strong{font-size:29px}.chart-grid{grid-template-columns:1fr}.panel{padding:17px}.chart-wrap{height:245px}.filter-actions{flex-wrap:wrap}}

.edit-link{font-size:15px;margin-left:5px;color:#6d57ae;text-decoration:none}.edit-link:hover{text-decoration:underline}

/* Responsive enhancement 2026-11-10: phones, tablets, landscape and touch screens */
:root{color-scheme:light}html{scroll-padding-top:16px}body{min-width:0;overflow-x:hidden}img,svg,canvas{max-width:100%}.layout,.main,.panel,.chart-grid,.kpi-grid,.filter-grid{min-width:0}.main{flex:1;min-width:0;width:auto;max-width:1560px;margin:0 auto}.panel{min-width:0}.chart-grid>*{min-width:0}.filter-grid label{min-width:0;overflow-wrap:anywhere}button,a,input,select{touch-action:manipulation}input,select,button{max-width:100%}a,button{transition:background-color .15s ease}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #b6a2ef;outline-offset:2px}.table-wrap{width:100%;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:thin}.table-wrap table{width:max-content;min-width:100%}.table-wrap th,.table-wrap td{white-space:nowrap}.table-wrap td:nth-child(3){max-width:380px;white-space:normal;overflow-wrap:anywhere}.chart-wrap,.donut-wrap{min-width:0}.chart-wrap canvas,.donut-wrap canvas{max-width:100%!important}.sidebar nav a{line-height:1.55}.filter-actions button{min-height:44px}.pagination button{min-height:44px}.table-wrap::after{content:'';display:block;height:1px}.scroll-hint{margin:5px 0 8px;color:#8290a5;font-size:11px;display:none}.scroll-hint.is-scrollable{display:block}.sidebar nav{min-width:0}.auth-card{max-width:100%}input[type=file]{max-width:100%;display:block;margin-top:10px;overflow-wrap:anywhere}.main>p,.panel p,.section-title p{overflow-wrap:anywhere}
@media(min-width:751px) and (max-width:1280px){.sidebar{width:210px;padding:18px 12px}.sidebar .logo{font-size:18px;padding:5px 8px 22px}.sidebar nav a{padding:11px 9px;font-size:12px}.main{padding:24px;width:calc(100% - 210px)}.chart-grid{grid-template-columns:1fr}.kpi-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.searchlabel{grid-column:1/-1}.chart-wrap.wide{height:360px}}
@media(max-width:750px){.layout{display:block}.sidebar{position:relative;top:auto;height:auto;width:100%;padding:12px 12px 8px;border-right:none;border-bottom:1px solid var(--border)}.sidebar .logo{padding:1px 7px 8px;font-size:18px;gap:9px}.sidebar .logo-icon{width:34px;height:34px;font-size:21px}.sidebar nav{display:flex;overflow-x:auto;white-space:nowrap;scrollbar-width:thin;gap:5px;padding-bottom:5px}.sidebar nav a{min-height:42px;display:inline-flex;align-items:center;flex:none;padding:9px 10px;font-size:12px}.sidebar .logout{display:inline-block;width:auto;min-height:44px;margin:0 4px 2px;padding:10px;font-size:12px}.sidebar form{display:inline-block}.sidebar .aside-note{display:none}.main{width:100%;max-width:100%;padding:16px 12px calc(24px + env(safe-area-inset-bottom,0px))}.topbar{margin-bottom:16px}.eyebrow{font-size:10px;letter-spacing:.06em}h1{font-size:clamp(20px,5vw,26px)}.subtitle{font-size:12px;line-height:1.8}.filters{margin-bottom:15px}.panel{border-radius:15px;padding:15px}.filter-heading{font-size:14px}.filter-grid{grid-template-columns:1fr;gap:11px}.searchlabel{grid-column:auto}.filter-grid input,.filter-grid select,.auth-card input{font-size:16px;height:48px}.filter-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.filter-actions button{width:100%;padding:10px 8px;min-height:48px;white-space:normal}.kpi-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.kpi{min-width:0;min-height:108px;padding:13px;border-radius:13px}.kpi span{font-size:11px;line-height:1.55}.kpi strong{font-size:clamp(25px,7vw,34px)}.kpi small{font-size:10px}.notice-banner{padding:12px;gap:8px;margin-bottom:15px;font-size:12px}.notice-banner p{font-size:11px;line-height:1.75}.chart-grid{grid-template-columns:minmax(0,1fr);gap:14px}.chart-wrap{height:260px}.chart-wrap.wide{height:420px}.donut-wrap{height:220px;max-width:300px}.full-panel{margin-bottom:14px}.section-title{margin-bottom:12px}.section-title h2{font-size:15px}.section-title p{font-size:11px;line-height:1.6}.table-wrap{max-height:520px}.table-wrap th,.table-wrap td{padding:11px 10px;font-size:11px}.table-wrap td:nth-child(3){min-width:185px;max-width:280px}.student-link{min-height:38px;max-width:260px;white-space:normal;text-align:left;overflow-wrap:anywhere}.pagination{gap:8px;flex-wrap:wrap;justify-content:center}.pagination button{font-size:12px;padding:10px}.pagination span{font-size:12px}footer{font-size:10px;margin-top:23px}.auth-page{min-height:100dvh;padding:14px}.auth-card{padding:23px 17px;border-radius:16px}.main[style*="max-width"]{width:100%!important;padding:16px 12px!important}.main>.panel[style]{padding:16px!important}.main>section.panel table{width:max-content;min-width:100%}.main>section.panel:has(table){overflow-x:auto;-webkit-overflow-scrolling:touch}.topbar a{display:inline-block;min-height:40px;padding-top:10px}}
@media(max-width:380px){.filter-actions{grid-template-columns:1fr}.kpi{padding:10px}.kpi strong{font-size:26px}.kpi span{font-size:10px}.chart-wrap{height:240px}.chart-wrap.wide{height:390px}.sidebar nav a{font-size:11px}}
@media(min-width:751px) and (max-height:550px){.sidebar{overflow-y:auto}.chart-wrap{height:260px}}
@media(hover:none) and (pointer:coarse){.student-link, .sidebar nav a, .pagination button{min-height:44px}input,select,textarea{font-size:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}button,a{transition:none}}