:root{
 font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;
 color-scheme:light;--bg:#f4f6fa;--text:#182133;--muted:#697386;--subtle:#7a8597;
 --surface:rgba(255,255,255,.84);--solid:#fff;--inset:#f2f4f8;--line:rgba(34,53,85,.09);
 --blue:#0066d6;--blue-soft:#e9f2ff;--blue-text:#075bbb;--field:rgba(249,250,253,.95);
 --green:#147546;--green-bg:#e6f5ed;--red:#b6313d;--red-bg:#fff0f1;--orange:#946005;--orange-bg:#fff3dc;
 --shadow:0 8px 32px rgba(41,62,100,.045),0 1px 3px rgba(41,62,100,.025);
 --glass-border:rgba(255,255,255,.95);background:var(--bg);color:var(--text);font-synthesis:none;
 -webkit-font-smoothing:antialiased;--focus:0 0 0 4px rgba(0,102,214,.16)
}
:root[data-theme="dark"]{
 color-scheme:dark;--bg:#10131b;--text:#f0f3fa;--muted:#a5aec0;--subtle:#9aa5ba;
 --surface:rgba(29,35,48,.88);--solid:#202737;--inset:#252d3d;--line:rgba(205,218,246,.10);
 --blue:#1785f2;--blue-soft:#183452;--blue-text:#8fc5ff;--field:rgba(21,27,39,.88);
 --green:#84dbb0;--green-bg:#163c30;--red:#ffa8b0;--red-bg:#48272f;--orange:#f1cd83;--orange-bg:#44371f;
 --shadow:0 8px 32px rgba(0,0,0,.12),0 1px 3px rgba(0,0,0,.1);--glass-border:rgba(217,230,255,.10);--focus:0 0 0 4px rgba(23,133,242,.23)
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{min-height:100%;scroll-padding-top:108px}
body{margin:0;min-height:100vh;min-height:100dvh;background:var(--bg);position:relative}
body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 8% 0,rgba(152,197,255,.17),transparent 45%),radial-gradient(ellipse at 95% 35%,rgba(191,181,244,.10),transparent 45%)}
[data-theme="dark"] body:before{background:radial-gradient(ellipse at 0 0,rgba(40,83,153,.16),transparent 48%),radial-gradient(ellipse at 100% 40%,rgba(83,66,140,.12),transparent 45%)}
button,input,textarea,select{font:inherit}button{cursor:pointer;touch-action:manipulation}button,a,input,textarea,select{outline:none}button:focus-visible,a:focus-visible{box-shadow:var(--focus)}
button{transition:background .18s,box-shadow .18s,transform .15s}button:active:not(:disabled){transform:scale(.98)}
.shell{max-width:960px;margin:auto;padding:0 28px 130px}.topbar{position:sticky;top:0;z-index:10;margin:0 -28px 30px;padding:20px 0;background:var(--surface);border-bottom:1px solid var(--line);backdrop-filter:blur(28px) saturate(160%);-webkit-backdrop-filter:blur(28px) saturate(160%)}
.topinner{padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:11px;font-size:23px;line-height:1.12;font-weight:760;letter-spacing:-.8px}.brand small{display:block;font-size:11px;letter-spacing:.03em;font-weight:550;color:var(--muted);margin-top:5px}
.brand-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:14px;background:linear-gradient(145deg,#288cfc,#005bd4);box-shadow:0 4px 10px rgba(0,93,217,.18);color:#fff;flex:none}.brand-icon svg{width:26px;height:26px}
.whitebtn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 16px;background:var(--solid);color:var(--muted);border:1px solid var(--line);border-radius:30px;font-size:13px;font-weight:650;box-shadow:0 2px 5px rgba(20,30,60,.02)}
.card{background:var(--surface);border:1px solid var(--glass-border);border-radius:25px;padding:25px;margin:18px 0;box-shadow:var(--shadow)}
.card h2,.card h3{margin:0 0 16px;color:var(--text);letter-spacing:-.4px}.card h2{font-size:21px;font-weight:720}.card h3{font-size:17px;font-weight:680}
.muted{color:var(--muted)}.small{font-size:12px;line-height:1.55}.eyebrow{font-size:11px;letter-spacing:.075em;text-transform:uppercase;color:var(--muted);font-weight:650}
.title{font-size:36px;line-height:1.13;font-weight:760;letter-spacing:-1.35px;margin:6px 0 9px}.row{display:flex;align-items:center;gap:14px}.between{justify-content:space-between}.grow{flex:1;min-width:0}.wrap{flex-wrap:wrap}.stack{display:grid;gap:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--blue);color:#fff;border:1px solid transparent;border-radius:15px;padding:13px 18px;font-weight:650;font-size:14px;min-height:46px;text-decoration:none;line-height:1.35;box-shadow:0 3px 8px rgba(0,97,211,.08)}
.btn.soft{background:var(--blue-soft);color:var(--blue-text);border-color:transparent;box-shadow:none}.btn.ghost{background:var(--inset);color:var(--text);border-color:var(--line);box-shadow:none}.btn.danger{background:var(--red-bg);color:var(--red);box-shadow:none}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.full{width:100%}
.field{display:grid;gap:8px;font-size:13px;font-weight:600;color:var(--muted)}input,textarea,select{background:var(--field);border:1px solid var(--line);color:var(--text);border-radius:14px;padding:14px 15px;width:100%;min-height:48px;transition:border-color .16s,box-shadow .16s;font-size:16px;line-height:1.35}
input::placeholder,textarea::placeholder{color:var(--subtle);opacity:1}input:focus,textarea:focus,select:focus{border-color:var(--blue);box-shadow:var(--focus)}input[readonly]{font-size:13px}textarea{min-height:112px;resize:vertical;line-height:1.55}input[type="date"],input[type="time"],input[type="month"]{min-width:0;-webkit-appearance:none;appearance:none}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:23px 0}
.kpi{border:1px solid var(--glass-border);border-radius:22px;background:var(--surface);padding:19px 20px;box-shadow:var(--shadow);position:relative;overflow:hidden}.kpi strong{display:block;font-size:32px;font-weight:730;letter-spacing:-1px;margin-top:10px;line-height:1.1;font-variant-numeric:tabular-nums}.kpi:nth-child(2) strong{color:var(--green)}.kpi:nth-child(3) strong{color:var(--blue-text)}
.pill{display:inline-flex;align-items:center;justify-content:center;gap:4px;min-height:29px;border-radius:10px;padding:6px 9px;font-size:12px;font-weight:650;white-space:nowrap;font-variant-numeric:tabular-nums}.green{background:var(--green-bg);color:var(--green)}.red{background:var(--red-bg);color:var(--red)}.blue{background:var(--blue-soft);color:var(--blue-text)}.orange{background:var(--orange-bg);color:var(--orange)}
.student{display:flex;align-items:center;gap:14px;padding:19px 0;border-bottom:1px solid var(--line);width:100%;background:none;border-left:0;border-right:0;border-top:0;text-align:left;color:var(--text)}.student:last-child{border-bottom:0;padding-bottom:5px}.student:hover{background:var(--inset);border-radius:12px}.avatar{height:47px;width:47px;border-radius:16px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue-text);font-weight:700;font-size:15px;letter-spacing:-.5px;flex-shrink:0}.student .name{display:block;font-weight:650;font-size:16px;letter-spacing:-.3px}.student .sub{display:block;font-size:12px;color:var(--muted);margin-top:5px;line-height:1.4}.icons{display:flex;gap:6px}
.tabbar{display:flex;gap:3px;padding:4px;background:var(--inset);border:1px solid var(--line);border-radius:15px;max-width:350px;margin:0 0 18px}.tabbar button{border:0;border-radius:11px;background:transparent;padding:10px 13px;min-height:39px;flex:1;color:var(--muted);font-weight:600;font-size:13px}.tabbar button.active{background:var(--solid);color:var(--text);box-shadow:0 2px 8px rgba(18,28,50,.08)}
#search{background:var(--inset);border-color:transparent;min-height:46px}#student-list{margin-top:5px}.divider{border-top:1px solid var(--line);margin:20px 0}.entry{padding:15px 0;border-bottom:1px solid var(--line)}.entry:last-child{border-bottom:0}.entry .btn.ghost{min-height:36px;padding:7px 12px}.date{font-size:12px;color:var(--muted)}
.msg{border-radius:15px;padding:14px 16px;font-size:13px;line-height:1.55;margin:12px 0;overflow-wrap:anywhere}.msg.error{background:var(--red-bg);color:var(--red)}.msg.ok{background:var(--green-bg);color:var(--green)}.msg.info{background:var(--blue-soft);color:var(--blue-text)}
.splash{display:grid;place-content:center;text-align:center;min-height:75vh;font-size:35px}.splash h1{margin:0}.splash p{font-size:14px;color:var(--muted)}.login{max-width:420px;margin:10vh auto 0}.login .logo{display:grid;place-items:center;margin:0 auto 16px;width:76px;height:76px;background:linear-gradient(145deg,#2991ff,#0759d4);box-shadow:0 12px 30px rgba(0,96,220,.18),inset 0 1px rgba(255,255,255,.3);border-radius:25px;color:white;font-size:40px}.login .logo svg{width:43px;height:43px}.login h1{text-align:center;margin:0;font-size:40px;letter-spacing:-1.7px;font-weight:760}.login>p{text-align:center;font-size:14px;line-height:1.6;margin:12px 0 29px}.login .card{padding:28px;margin-top:25px}.login .card h2{font-size:23px;margin-bottom:24px}.login .card>p.small{margin:22px 0 0}.login .btn{margin-top:5px}.back{display:inline-flex;align-items:center;min-height:44px;padding:10px 0;border:0;color:var(--blue-text);background:none;font-weight:600;font-size:14px;margin-bottom:8px}.sectionhead{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:14px}.sectionhead h2,.sectionhead h3{margin:0}.statline{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.statline:last-child{border:0}a{color:var(--blue-text);overflow-wrap:anywhere}.footer{text-align:center;color:var(--muted);font-size:11px;line-height:1.5;padding:22px}.loading{opacity:.65;pointer-events:none}
.appearance-dock{position:fixed;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);display:flex;gap:3px;padding:5px;border-radius:40px;background:var(--surface);border:1px solid var(--glass-border);backdrop-filter:blur(28px) saturate(170%);-webkit-backdrop-filter:blur(28px) saturate(170%);box-shadow:0 8px 30px rgba(18,32,60,.12);z-index:30}.appearance-dock button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;min-width:88px;border:0;border-radius:30px;padding:10px 13px;background:transparent;color:var(--muted);font-size:12px;font-weight:600}.appearance-dock button[aria-pressed="true"]{background:var(--blue-soft);color:var(--blue-text);box-shadow:inset 0 0 0 1px var(--line)}.appearance-dock svg{width:17px;height:17px;flex:none}
@media(min-width:1100px){.appearance-dock{left:auto;right:24px;transform:none}.shell{padding-top:10px}.topbar{border:1px solid var(--glass-border);border-radius:24px;top:12px;margin-top:4px;box-shadow:var(--shadow)}}
@media(max-width:600px){.shell{padding:0 18px 120px}.topbar{margin:0 -18px 25px;padding:17px 0}.topinner{padding:0 18px}.title{font-size:31px;letter-spacing:-1px}.card{padding:20px;border-radius:23px;margin:15px 0}.grid3{gap:9px;margin:20px 0}.kpi{padding:16px 13px;border-radius:19px}.kpi strong{font-size:28px}.kpi .eyebrow{font-size:9px;letter-spacing:.05em}.student{gap:10px}.student .name{font-size:15px}.avatar{height:42px;width:42px;border-radius:14px}.pill{padding:6px 8px;font-size:11px}.icons{gap:4px}.row{gap:11px}.grid2{gap:9px}.grid2>.btn{font-size:12px;padding:12px 9px}.login{margin-top:7vh}.login .card{padding:24px}.sectionhead .btn.danger{font-size:12px;padding:10px 12px}.appearance-dock{bottom:max(15px,env(safe-area-inset-bottom))}}
@media(max-width:360px){.shell{padding-left:12px;padding-right:12px}.topbar{margin-left:-12px;margin-right:-12px}.topinner{padding:0 12px}.card{padding:16px}.title{font-size:28px}.icons .pill{padding:5px 6px}.student{gap:8px}.kpi{padding:13px 10px}.grid2{grid-template-columns:minmax(0,1fr)}.appearance-dock button{min-width:80px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media(prefers-reduced-transparency:reduce){.topbar,.appearance-dock,.card,.kpi{background:var(--solid);backdrop-filter:none;-webkit-backdrop-filter:none}}