:root{--bg:#eef3f9;--surface:#fff;--surface2:#f7f9fc;--text:#172033;--muted:#64748b;--line:#dce4ef;--primary:#1769d2;--primary2:#5b4ee8;--danger:#c9372c;--success:#14804a;--shadow:0 14px 36px rgba(28,44,72,.11);--radius:20px;--header:72px}html[data-theme=dark]{--bg:#0e121a;--surface:#171d28;--surface2:#202837;--text:#f5f7fb;--muted:#aab5c5;--line:#303b4d;--primary:#65a9ff;--primary2:#9a8cff;--danger:#ff8177;--success:#69d69b;--shadow:0 18px 42px rgba(0,0,0,.35)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--text);background:radial-gradient(circle at 12% 0,rgba(91,78,232,.12),transparent 25%),radial-gradient(circle at 90% 4%,rgba(23,105,210,.13),transparent 24%),var(--bg)}body{min-height:100vh}a{text-decoration:none;color:inherit}button,input,select{font:inherit}.site-header{height:var(--header);padding:0 clamp(16px,3vw,38px);display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 86%,transparent);backdrop-filter:blur(16px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;min-width:0}.logo{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;color:#fff;font-weight:850;background:linear-gradient(135deg,var(--primary),var(--primary2));box-shadow:0 9px 22px rgba(23,105,210,.25)}.brand-copy strong,.brand-copy span{display:block}.brand-copy strong{font-size:1.03rem}.brand-copy span{font-size:.76rem;color:var(--muted)}.nav{display:flex;align-items:center;gap:7px}.nav a,.icon-btn,.btn{border:0;border-radius:12px;cursor:pointer;transition:.18s ease}.nav a{padding:10px 13px;color:var(--muted);font-weight:700;font-size:.9rem}.nav a:hover,.nav a.active{color:var(--primary);background:color-mix(in srgb,var(--primary) 11%,transparent)}.icon-btn{width:40px;height:40px;background:var(--surface2);color:var(--text);border:1px solid var(--line)}.mobile-nav-btn{display:none}.page{width:min(1440px,100%);margin:auto;padding:clamp(16px,2vw,28px)}.dashboard-page{height:calc(100vh - var(--header));overflow:hidden;display:grid;grid-template-rows:auto 1fr;gap:18px}.welcome{display:flex;align-items:center;justify-content:space-between;gap:20px}.eyebrow{display:inline-flex;padding:5px 10px;border-radius:999px;color:var(--primary);background:color-mix(in srgb,var(--primary) 11%,transparent);font-size:.75rem;font-weight:800}.welcome h1{font-size:clamp(1.55rem,3vw,2.65rem);margin:10px 0 7px}.welcome p{margin:0;color:var(--muted);max-width:720px}.dashboard-grid{min-height:0;display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:1fr 1fr;gap:18px}.card{background:color-mix(in srgb,var(--surface) 94%,transparent);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.action-card{padding:clamp(20px,3vw,34px);display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative}.action-card::after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-80px;top:-80px;background:radial-gradient(circle,rgba(91,78,232,.22),transparent 68%)}.action-card h2{margin:0 0 8px;font-size:clamp(1.25rem,2.3vw,2rem)}.action-card p{margin:0;color:var(--muted);line-height:1.5;max-width:560px}.action-card .actions{position:relative;z-index:1}.big-link{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px;min-height:0}.big-link:hover{transform:translateY(-2px)}.big-link .link-icon{width:54px;height:54px;flex:0 0 auto;border-radius:16px;display:grid;place-items:center;font-size:1.5rem;background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary)}.big-link strong{display:block;font-size:1.15rem;margin-bottom:4px}.big-link span{color:var(--muted);font-size:.86rem}.arrow{font-size:1.4rem;color:var(--primary)}.stats-card{padding:22px;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.stat{padding:16px;border-radius:16px;background:var(--surface2);border:1px solid var(--line)}.stat span{display:block;color:var(--muted);font-size:.78rem}.stat strong{display:block;font-size:2rem;margin-top:7px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 15px;font-weight:800}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary2));box-shadow:0 9px 22px rgba(23,105,210,.22)}.btn-secondary{color:var(--text);background:var(--surface2);border:1px solid var(--line)}.btn-danger{color:#fff;background:var(--danger)}.btn-small{padding:7px 10px;font-size:.8rem}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}.page-heading h1{margin:0;font-size:clamp(1.55rem,3vw,2.25rem)}.page-heading p{margin:6px 0 0;color:var(--muted)}.content-card{padding:clamp(16px,2.5vw,26px)}.forms-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.form-box{padding:20px;background:var(--surface2);border:1px solid var(--line);border-radius:18px}.form-box h2{margin:0 0 18px;font-size:1.05rem}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}label{font-size:.8rem;color:var(--muted);font-weight:800}input,select{width:100%;padding:11px 12px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--text);outline:0}input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 13%,transparent)}.checks{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.check{display:flex;align-items:center;gap:8px;padding:10px;border-radius:11px;border:1px solid var(--line);background:var(--surface)}.check input{width:auto}.form-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.search-toolbar{display:grid;grid-template-columns:minmax(240px,1fr) repeat(3,minmax(120px,.25fr)) auto;gap:10px;margin-bottom:16px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;max-height:calc(100vh - 255px)}table{width:100%;border-collapse:collapse;min-width:1050px}th,td{padding:12px 13px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}th{position:sticky;top:0;background:var(--surface2);color:var(--muted);font-size:.75rem;text-transform:uppercase;z-index:2}tbody tr:hover{background:color-mix(in srgb,var(--primary) 7%,transparent)}.pill{display:inline-flex;padding:4px 8px;border-radius:999px;background:color-mix(in srgb,var(--primary) 11%,transparent);color:var(--primary);font-size:.74rem;font-weight:800;margin:2px}.row-actions{display:flex;gap:6px}.empty{text-align:center;color:var(--muted);padding:40px}.modal{position:fixed;inset:0;display:none;place-items:center;padding:18px;background:rgba(0,0,0,.48);z-index:50}.modal.open{display:grid}.modal-card{width:min(680px,100%);max-height:92vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:22px}.modal-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px}.modal-head h2{margin:0}.toast-stack{position:fixed;right:18px;bottom:18px;z-index:80;width:min(360px,calc(100vw - 36px));display:grid;gap:9px}.toast{padding:14px 15px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--success);border-radius:12px;box-shadow:var(--shadow)}.toast.error{border-left-color:var(--danger)}@media(max-width:900px){.mobile-nav-btn{display:inline-grid;place-items:center}.nav{display:none;position:absolute;top:62px;right:16px;flex-direction:column;align-items:stretch;padding:8px;width:220px;background:var(--surface);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}body.nav-open .nav{display:flex}.nav a{width:100%}.dashboard-page{height:auto;min-height:calc(100vh - var(--header));overflow:visible}.dashboard-grid{grid-template-columns:1fr;grid-template-rows:auto}.forms-grid{grid-template-columns:1fr}.search-toolbar{grid-template-columns:1fr 1fr}.search-toolbar input:first-child{grid-column:1/-1}}@media(max-width:620px){.brand-copy span{display:none}.site-header{padding:0 13px}.page{padding:14px}.welcome{align-items:flex-start;flex-direction:column}.welcome .btn{width:100%}.dashboard-grid{gap:13px}.action-card,.big-link,.stats-card{padding:17px}.stats-card{grid-template-columns:1fr 1fr}.forms-grid{gap:13px}.form-grid,.checks{grid-template-columns:1fr}.search-toolbar{grid-template-columns:1fr}.search-toolbar>*{grid-column:auto!important}.page-heading{align-items:flex-start;flex-direction:column}.page-heading .btn{width:100%}.table-wrap{max-height:none}.modal-card{padding:17px}}
/* Classroom */
.classroom-body{height:100vh;overflow:hidden}.classroom-page{height:calc(100vh - var(--header));padding:14px clamp(12px,2vw,26px) 10px;display:grid;grid-template-rows:auto minmax(0,1fr) 22px;gap:10px;max-width:1600px;margin:auto}.classroom-toolbar{padding:12px 16px;display:grid;grid-template-columns:minmax(220px,1fr) minmax(230px,.7fr) auto;align-items:center;gap:14px}.classroom-toolbar h1{font-size:clamp(1.15rem,2vw,1.75rem);margin:5px 0 0}.class-picker{display:grid;gap:5px}.class-picker select{font-weight:800;background-image:linear-gradient(45deg,transparent 50%,var(--primary) 50%),linear-gradient(135deg,var(--primary) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;appearance:none;padding-right:38px}.class-actions{display:flex;gap:8px}.room-shell{min-height:0;padding:10px;overflow:hidden;background:linear-gradient(145deg,color-mix(in srgb,var(--surface) 97%,transparent),color-mix(in srgb,var(--primary) 4%,var(--surface)))}.room-empty{height:100%;display:grid;place-content:center;text-align:center;color:var(--muted)}.room-empty h2{margin:10px 0 5px;color:var(--text)}.room-empty p{margin:0;max-width:430px}.empty-orbit{margin:auto;width:64px;height:64px;border-radius:22px;display:grid;place-items:center;font-size:2rem;color:var(--primary);background:color-mix(in srgb,var(--primary) 12%,transparent);box-shadow:0 0 0 12px color-mix(in srgb,var(--primary) 5%,transparent)}.classroom{height:100%;position:relative;border-radius:15px;border:2px solid color-mix(in srgb,var(--line) 78%,var(--text));background:radial-gradient(circle at 50% 100%,rgba(23,105,210,.08),transparent 32%),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),var(--surface2);background-size:auto,30px 30px,30px 30px;overflow:hidden;padding:12px 80px 66px 58px}.desk-grid{height:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(5,minmax(0,1fr));gap:clamp(5px,1vh,10px) clamp(8px,1.2vw,18px)}.student-seat{position:relative;min-width:0;min-height:0;border-radius:10px 10px 14px 14px;border:1px solid color-mix(in srgb,var(--line) 60%,#76552d);background:linear-gradient(180deg,#d8a65f,#b87835);box-shadow:inset 0 2px rgba(255,255,255,.3),0 5px 10px rgba(69,42,13,.16);padding:4px}.student-seat::after{content:"";position:absolute;left:12%;right:12%;bottom:-5px;height:5px;border-radius:0 0 8px 8px;background:#77502c}.seat-number{position:absolute;top:3px;left:5px;font-size:.56rem;font-weight:900;color:rgba(58,36,16,.55)}.seat-person{height:100%;display:grid;place-items:center}.student-token{width:100%;height:100%;min-height:0;border:0;border-radius:7px;padding:3px 7px;background:linear-gradient(135deg,#fff,#eef5ff);color:#172033;box-shadow:0 2px 7px rgba(20,39,72,.18);cursor:grab;font-weight:850;font-size:clamp(.56rem,.85vw,.82rem);line-height:1.05;overflow:hidden;touch-action:none}.student-token span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.student-token:active{cursor:grabbing}.student-token.dragging{opacity:.35}.drop-ready{outline:3px solid var(--primary);outline-offset:2px}.standing-zone{position:absolute;right:8px;top:36px;bottom:70px;width:62px;border:1px dashed color-mix(in srgb,var(--primary) 55%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--primary) 5%,transparent);padding:20px 5px 5px}.standing-title{position:absolute;top:5px;left:0;right:0;text-align:center;font-size:.55rem;font-weight:900;color:var(--primary)}#standingStudents{height:100%;overflow:hidden;display:flex;flex-direction:column;gap:3px}.standing-zone .student-token{height:auto;min-height:22px;font-size:.52rem;padding:3px}.board{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);width:min(38%,360px);height:38px;border:5px solid #71512f;border-radius:4px;background:linear-gradient(180deg,#315f52,#21463d);color:rgba(255,255,255,.8);display:grid;place-items:center;font-size:.65rem;letter-spacing:.24em;font-weight:900;box-shadow:0 6px 12px rgba(0,0,0,.18)}.teacher-desk{position:absolute;right:78px;bottom:9px;width:100px;height:42px;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,#9f6d3e,#684324);color:#fff;display:grid;place-items:center;font-size:.6rem;font-weight:900;letter-spacing:.16em;box-shadow:0 5px 10px rgba(0,0,0,.2)}.door{position:absolute;left:0;bottom:10px;width:42px;height:88px;background:linear-gradient(90deg,#80542d,#bb824b);border-radius:0 7px 7px 0;color:#fff;writing-mode:vertical-rl;display:grid;place-items:center;font-size:.55rem;font-weight:900;letter-spacing:.15em}.windows{position:absolute;right:0;top:18%;bottom:24%;width:48px;display:grid;grid-template-rows:repeat(3,1fr) auto;gap:7px;padding:5px}.windows span{border-radius:6px 0 0 6px;border:2px solid #83b8d4;background:linear-gradient(135deg,#dff4ff,#8dd0f0);box-shadow:inset 0 0 10px rgba(255,255,255,.8)}.windows b{font-size:.48rem;writing-mode:vertical-rl;color:var(--muted);margin:auto}.class-status{text-align:center;color:var(--muted);font-size:.72rem;line-height:22px}.touch-ghost{position:fixed!important;z-index:1000;width:110px!important;height:42px!important;transform:translate(-50%,-50%) rotate(2deg);pointer-events:none;opacity:.92}.class-actions button:disabled{opacity:.48;cursor:not-allowed}
@media(max-width:900px){.classroom-body{overflow:hidden}.classroom-page{padding:9px;gap:7px}.classroom-toolbar{grid-template-columns:1fr auto;padding:9px 11px}.classroom-toolbar>div:first-child{display:none}.class-picker{min-width:190px}.class-actions .btn{padding:9px 10px;font-size:.75rem}.classroom{padding:8px 58px 55px 42px}.desk-grid{gap:5px 8px}.standing-zone{right:5px;top:25px;bottom:58px;width:46px;padding:18px 3px 3px}.teacher-desk{right:55px;width:75px;height:34px}.board{height:31px;bottom:8px}.door{width:32px;height:70px}.windows{width:36px}.student-token{font-size:clamp(.48rem,1.45vw,.7rem);padding:2px 4px}}
@media(max-width:620px){.classroom-header{height:58px}.classroom-page{height:calc(100vh - 58px);grid-template-rows:auto minmax(0,1fr) 16px;padding:6px}.classroom-toolbar{display:flex;gap:6px;border-radius:14px}.class-picker{min-width:0;flex:1}.class-picker label{display:none}.class-picker select{padding:8px 28px 8px 9px;font-size:.72rem}.class-actions{gap:4px}.class-actions .btn{padding:8px 7px;font-size:.61rem;white-space:nowrap}.room-shell{padding:5px;border-radius:14px}.classroom{padding:5px 42px 46px 29px;border-radius:10px}.desk-grid{gap:3px 4px}.student-seat{border-radius:6px;padding:2px}.seat-number{font-size:.42rem;top:1px;left:2px}.student-token{font-size:clamp(.39rem,2.2vw,.58rem);line-height:.96;border-radius:4px;padding:1px 2px}.standing-zone{width:35px;right:3px;top:18px;bottom:48px;padding:14px 2px 2px}.standing-title{font-size:.4rem}.standing-zone .student-token{font-size:.38rem;min-height:17px}.board{height:25px;border-width:3px;font-size:.42rem;bottom:6px}.teacher-desk{right:42px;width:53px;height:27px;font-size:.4rem;bottom:5px}.door{width:23px;height:53px;font-size:.4rem;bottom:6px}.windows{width:27px;gap:3px;padding:3px}.windows b{display:none}.class-status{font-size:.57rem;line-height:16px}}
@media(max-height:650px){.classroom-page{padding-top:6px}.classroom-toolbar{padding-block:7px}.classroom-toolbar h1{font-size:1.05rem}.desk-grid{gap:3px 8px}.student-token{font-size:.58rem}.classroom{padding-bottom:48px}.board{height:26px}.teacher-desk{height:29px}.standing-zone{bottom:50px}}
@media(min-width:901px){.dashboard-grid{grid-template-rows:repeat(3,1fr)}}

/* Classroom visibility hotfix: the room is always rendered, even with an empty DB or endpoint error. */
.room-shell{position:relative}
.room-empty-overlay{position:absolute;inset:10px;z-index:20;border-radius:15px;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);pointer-events:none}
.room-empty-overlay[hidden]{display:none!important}
.classroom{display:block!important;visibility:visible!important;min-height:240px}
@media(max-width:620px){.room-empty-overlay{inset:5px;border-radius:10px}.room-empty-overlay p{padding-inline:18px;font-size:.72rem}}

/* Premium classroom v2 */
.classroom-body{background:radial-gradient(circle at 15% -10%,rgba(64,91,255,.16),transparent 32%),radial-gradient(circle at 88% 5%,rgba(36,190,173,.12),transparent 28%),#eef2f8}.classroom-page{max-width:1800px}.premium-panel{border:1px solid rgba(255,255,255,.72);background:linear-gradient(145deg,rgba(255,255,255,.92),rgba(246,249,255,.84));box-shadow:0 24px 70px rgba(31,50,88,.14),inset 0 1px rgba(255,255,255,.9);backdrop-filter:blur(24px)}html[data-theme=dark] .premium-panel{border-color:rgba(255,255,255,.08);background:linear-gradient(145deg,rgba(24,31,45,.94),rgba(15,21,32,.9))}.classroom-toolbar{grid-template-columns:minmax(290px,1fr) minmax(230px,.55fr) auto;padding:14px 18px}.classroom-heading p{margin:4px 0 0;color:var(--muted);font-size:.78rem}.room-shell{padding:12px;background:linear-gradient(145deg,rgba(255,255,255,.86),rgba(231,238,249,.72))}.classroom{padding:18px 98px 78px 68px;border:1px solid rgba(67,83,112,.22);background:linear-gradient(rgba(255,255,255,.82),rgba(245,247,251,.88)),repeating-linear-gradient(0deg,transparent 0 34px,rgba(73,94,128,.035) 35px),repeating-linear-gradient(90deg,transparent 0 34px,rgba(73,94,128,.035) 35px);box-shadow:inset 0 0 90px rgba(45,65,98,.08)}html[data-theme=dark] .classroom{background:linear-gradient(rgba(17,24,36,.92),rgba(12,18,29,.95)),repeating-linear-gradient(0deg,transparent 0 34px,rgba(255,255,255,.025) 35px),repeating-linear-gradient(90deg,transparent 0 34px,rgba(255,255,255,.025) 35px)}.desk-grid{grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:repeat(4,minmax(0,1fr));gap:clamp(8px,1.6vh,18px) clamp(10px,1.4vw,24px)}.double-desk{position:relative;min-width:0;min-height:0;display:grid;grid-template-columns:1fr 2px 1fr;padding:6px;border-radius:14px;background:linear-gradient(180deg,#d6b07a,#b9854e);border:1px solid rgba(91,57,27,.32);box-shadow:inset 0 2px rgba(255,255,255,.38),0 8px 18px rgba(77,46,18,.16)}.double-desk:after{content:"";position:absolute;left:9%;right:9%;bottom:-6px;height:7px;border-radius:0 0 8px 8px;background:#73502e;box-shadow:0 3px 5px rgba(60,38,17,.2)}.desk-label{position:absolute;top:3px;left:50%;transform:translateX(-50%);z-index:2;font-size:.48rem;font-weight:900;color:rgba(62,41,22,.52)}.desk-divider{background:rgba(80,50,24,.23);border-radius:2px;margin:5px 0}.desk-seat{min-width:0;min-height:0;padding:3px;position:relative;border-radius:9px;transition:.18s ease}.desk-seat.drop-ready{background:rgba(255,255,255,.5);outline:3px solid #4778ff;outline-offset:1px}.side-mark{position:absolute;top:2px;font-size:.42rem;font-weight:900;color:rgba(59,39,20,.4)}.desk-seat.left .side-mark{left:3px}.desk-seat.right .side-mark{right:3px}.seat-person{height:100%;display:grid;place-items:center}.student-token{display:grid;place-items:center;width:100%;height:100%;min-height:0;border:1px solid rgba(255,255,255,.75);border-radius:9px;padding:5px;background:linear-gradient(145deg,#ffffff,#edf3ff);color:#172033;box-shadow:0 5px 12px rgba(28,49,85,.18);font-size:clamp(.48rem,.72vw,.72rem);font-weight:850;line-height:1.02;letter-spacing:-.015em;cursor:grab;touch-action:none;overflow:hidden}.student-token span{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere;text-align:center;max-width:100%}.student-token:hover{transform:translateY(-2px);box-shadow:0 8px 16px rgba(28,49,85,.23)}.standing-zone{width:76px;right:10px;top:36px;bottom:82px;border:1px dashed rgba(71,120,255,.48);background:linear-gradient(180deg,rgba(71,120,255,.08),rgba(71,120,255,.03));box-shadow:inset 0 0 24px rgba(71,120,255,.05)}#standingStudents{overflow:auto;scrollbar-width:none}.standing-zone .student-token{height:auto;min-height:28px;font-size:.48rem}.board{width:min(40%,430px);height:45px;border:5px solid #7f6544;background:linear-gradient(180deg,#203e39,#142d29);box-shadow:0 9px 18px rgba(0,0,0,.24),inset 0 0 22px rgba(255,255,255,.03)}.teacher-desk{right:104px;width:126px;height:48px;background:linear-gradient(180deg,#8e6844,#5b4028);border:1px solid rgba(49,31,17,.4);box-shadow:0 8px 16px rgba(38,25,14,.25)}.door{width:48px;height:96px;background:linear-gradient(90deg,#8b633d,#c4925e);box-shadow:4px 0 12px rgba(69,46,25,.18)}.windows{width:58px}.windows span{background:linear-gradient(135deg,#effbff,#9cdbf3);box-shadow:inset 0 0 15px rgba(255,255,255,.9),0 0 18px rgba(97,190,230,.12)}
.student-profile-modal[hidden]{display:none}.student-profile-modal{position:fixed;inset:0;z-index:120}.student-profile-backdrop{position:absolute;inset:0;background:rgba(8,15,28,.58);backdrop-filter:blur(10px)}.student-profile-card{position:absolute;inset:clamp(16px,4vh,44px) clamp(16px,5vw,84px);display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden;border:1px solid rgba(255,255,255,.72);border-radius:28px;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(242,247,255,.96));box-shadow:0 35px 100px rgba(5,17,38,.34)}html[data-theme=dark] .student-profile-card{border-color:rgba(255,255,255,.1);background:linear-gradient(145deg,#1b2433,#101722)}.profile-close{position:absolute;top:18px;right:18px;z-index:2;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--text);font-size:1.7rem;line-height:1;cursor:pointer}.profile-header{display:flex;align-items:center;gap:18px;padding:24px 28px;border-bottom:1px solid var(--line);background:linear-gradient(90deg,rgba(71,120,255,.1),transparent)}.profile-header h2{margin:4px 0 2px;font-size:clamp(1.4rem,2.4vw,2.2rem)}.profile-header p{margin:0;color:var(--muted)}.profile-avatar{width:68px;height:68px;border-radius:22px;display:grid;place-items:center;background:linear-gradient(145deg,#4778ff,#6753e8);color:#fff;font-size:1.9rem;font-weight:900;box-shadow:0 14px 30px rgba(71,120,255,.3)}.profile-content{min-height:0;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(310px,.65fr);gap:20px;padding:22px}.profile-events,.profile-event-form{min-height:0;border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--surface) 86%,transparent);padding:18px}.profile-events{display:grid;grid-template-rows:auto minmax(0,1fr)}.profile-event-list{overflow:auto;padding-right:5px;display:grid;align-content:start;gap:10px}.profile-section-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.profile-section-title h3{margin:0}.profile-section-title span{color:var(--muted);font-size:.78rem}.profile-event-item{display:grid;grid-template-columns:110px minmax(0,1fr) auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:15px;background:var(--surface)}.event-date{display:grid;gap:3px}.event-date span{font-size:.68rem;color:var(--muted)}.event-tags{display:flex;gap:6px;flex-wrap:wrap}.event-tags span{padding:5px 8px;border-radius:999px;background:rgba(71,120,255,.1);color:#315fd1;font-size:.7rem;font-weight:800}.event-tags .neutral{background:var(--surface2);color:var(--muted)}.event-scores{display:flex;gap:7px}.event-scores b{padding:6px 8px;border-radius:9px;background:var(--surface2);font-size:.68rem;white-space:nowrap}.profile-event-form{display:grid;align-content:start;gap:12px}.profile-event-form>label,.profile-grades label{display:grid;gap:6px;font-size:.78rem;font-weight:800;color:var(--muted)}.profile-checks{display:grid;grid-template-columns:1fr 1fr;gap:8px}.profile-checks label{display:flex;align-items:center;gap:7px;padding:9px;border:1px solid var(--line);border-radius:11px;background:var(--surface);font-size:.74rem;font-weight:700}.profile-checks input{width:auto}.profile-grades{display:grid;grid-template-columns:1fr 1fr;gap:10px}.profile-submit{width:100%;margin-top:4px}.profile-empty{display:grid;place-items:center;min-height:120px;color:var(--muted);text-align:center}body.profile-open{overflow:hidden}
@media(max-width:1100px){.classroom-heading p{display:none}.classroom{padding-left:54px;padding-right:76px}.standing-zone{width:58px}.teacher-desk{right:82px}.profile-content{grid-template-columns:1fr}.profile-event-form{max-height:46vh;overflow:auto}.student-profile-card{inset:12px 18px}}
@media(max-width:760px){.classroom-toolbar{grid-template-columns:1fr auto}.classroom-heading{display:none}.classroom{padding:7px 44px 52px 30px}.desk-grid{gap:4px 5px}.double-desk{padding:3px;border-radius:8px}.desk-divider{margin:3px 0}.student-token{padding:2px;font-size:clamp(.36rem,1.7vw,.55rem);border-radius:5px}.standing-zone{width:36px;right:3px;bottom:54px}.teacher-desk{right:45px;width:58px;height:28px}.board{height:27px}.door{width:24px;height:56px}.windows{width:28px}.profile-header{padding:18px}.profile-avatar{width:52px;height:52px;border-radius:16px}.profile-content{padding:12px;gap:12px}.profile-event-item{grid-template-columns:1fr}.event-scores{justify-content:flex-start}.student-profile-card{inset:6px;border-radius:18px}.profile-close{top:10px;right:10px}.profile-checks{grid-template-columns:1fr 1fr}}


/* Student profile pedagogical insights */
.student-profile-card{grid-template-rows:auto auto auto minmax(0,1fr)}
.profile-insight-toolbar{display:flex;gap:10px;flex-wrap:wrap;padding:14px 22px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 90%,transparent)}
.profile-insight-btn{flex:1 1 280px;min-height:44px;border:1px solid color-mix(in srgb,#4778ff 32%,var(--line));background:linear-gradient(145deg,color-mix(in srgb,#4778ff 8%,var(--surface)),var(--surface));color:var(--text);font-weight:850;box-shadow:0 8px 22px rgba(26,45,85,.08)}
.profile-insight-btn:hover{transform:translateY(-1px);border-color:#4778ff;box-shadow:0 12px 28px rgba(71,120,255,.16)}
.profile-insight-primary{background:linear-gradient(135deg,#315fda,#654bd9);color:#fff;border-color:transparent}
.profile-insight-panel{margin:14px 22px 0;padding:18px;border:1px solid color-mix(in srgb,#4778ff 28%,var(--line));border-radius:18px;background:linear-gradient(145deg,color-mix(in srgb,#4778ff 7%,var(--surface)),color-mix(in srgb,#7c55e8 5%,var(--surface)));box-shadow:0 16px 42px rgba(36,58,104,.12);max-height:34vh;overflow:auto}
.profile-insight-panel[hidden]{display:none}.profile-insight-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:10px}.profile-insight-head h3{margin:3px 0 0;font-size:1.08rem}.profile-insight-close{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--text);font-size:1.3rem;cursor:pointer}.profile-insight-body{color:var(--text);line-height:1.62;font-size:.92rem}.profile-insight-body p{margin:0}.profile-insight-body ol{margin:0;padding-left:1.25rem;display:grid;gap:9px}.profile-insight-body li::marker{font-weight:900;color:#4778ff}.profile-insight-body strong{color:color-mix(in srgb,#315fda 82%,var(--text))}.profile-insight-note{margin:14px 0 0;padding-top:10px;border-top:1px solid var(--line);color:var(--muted);font-size:.72rem;line-height:1.45}
@media(max-width:760px){.profile-insight-toolbar{padding:10px 12px;gap:7px}.profile-insight-btn{flex-basis:100%;min-height:39px;padding:8px 10px;font-size:.72rem}.profile-insight-panel{margin:8px 12px 0;padding:13px;max-height:30vh}.profile-insight-body{font-size:.82rem}.student-profile-card{grid-template-rows:auto auto auto minmax(0,1fr)}}

/* EduTrack Premium 2026 visual system */
:root{--bg:#f4f6fb;--surface:#ffffff;--surface2:#f7f8fc;--text:#111827;--muted:#667085;--line:#e5e7ef;--primary:#4f46e5;--primary2:#7c3aed;--radius:18px;--shadow:0 18px 50px rgba(24,32,56,.09);--header:68px}
html,body{font-family:Inter,"Aptos","Segoe UI",system-ui,-apple-system,sans-serif;background:linear-gradient(180deg,#fafbff 0,#f2f4fa 100%)}
.site-header{height:var(--header);box-shadow:0 1px 0 rgba(17,24,39,.03);background:rgba(255,255,255,.82)}
.logo{border-radius:13px;background:linear-gradient(145deg,#111827,#4f46e5);box-shadow:none}.nav a{border-radius:10px;font-size:.86rem}.card,.premium-panel{box-shadow:var(--shadow)}
.btn{min-height:42px;border-radius:11px}.btn-primary{background:linear-gradient(135deg,#4f46e5,#7c3aed);box-shadow:0 8px 20px rgba(79,70,229,.22)}.btn:hover{transform:translateY(-1px)}
.product-proof{display:flex;flex-wrap:wrap;gap:8px;position:relative;z-index:2}.product-proof span{padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.7);font-size:.72rem;font-weight:800;color:var(--muted)}
.page:not(.dashboard-page){height:calc(100vh - var(--header));overflow:hidden;display:grid;grid-template-rows:auto minmax(0,1fr)}.content-card{min-height:0;overflow:auto}.forms-grid{min-height:100%}.form-box{background:#fafbfe}.page-heading{margin-bottom:14px}
/* classroom: graphite + soft indigo, no imitation wood */
.classroom-body{background:linear-gradient(145deg,#eef1f8,#f8f9fc)}.room-shell{border-radius:22px}.classroom{border-radius:18px;padding:18px 100px 78px 70px;background:radial-gradient(circle at 50% 120%,rgba(79,70,229,.09),transparent 42%),linear-gradient(180deg,#f8f9fc,#eef1f6);border:1px solid #d9deea;box-shadow:inset 0 1px #fff,inset 0 0 70px rgba(49,56,78,.05)}
.desk-grid{gap:clamp(8px,1.5vh,16px) clamp(10px,1.4vw,22px)}.double-desk{grid-template-columns:1fr 1px 1fr;padding:6px;border-radius:16px;background:linear-gradient(145deg,#343a4a,#242936);border:1px solid rgba(17,24,39,.7);box-shadow:0 10px 18px rgba(22,28,42,.18),inset 0 1px rgba(255,255,255,.12)}.double-desk:after{left:12%;right:12%;bottom:-5px;height:5px;background:#171b25;box-shadow:none}.desk-divider{background:rgba(255,255,255,.14)}.desk-label,.side-mark{color:rgba(255,255,255,.45)}
.desk-seat{padding:4px}.student-token{font-family:Inter,"Aptos",system-ui,sans-serif;border:1px solid rgba(255,255,255,.9);border-radius:10px;background:linear-gradient(145deg,#fff,#f1f3ff);color:#22253a;box-shadow:0 5px 13px rgba(8,15,35,.22);font-weight:750;font-size:clamp(.5rem,.73vw,.74rem);line-height:1.08;letter-spacing:-.02em}.student-token span{-webkit-line-clamp:2;text-wrap:balance}.student-token:hover{transform:translateY(-2px) scale(1.015)}
.standing-zone{border-radius:14px;background:rgba(79,70,229,.055);border-color:rgba(79,70,229,.35)}.board{border:4px solid #303746;border-radius:9px;background:linear-gradient(180deg,#1f2937,#111827);letter-spacing:.2em}.teacher-desk{border-radius:12px;background:linear-gradient(145deg,#4b5563,#272d39)}.door{background:linear-gradient(180deg,#6b7280,#343a46);border-radius:0 10px 10px 0}.windows span{border-color:#a5c6ea;background:linear-gradient(145deg,#f6fbff,#c9e5f7)}
.profile-insight-body h4{margin:0 0 8px;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.insight-source{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px;padding:10px 12px;border-radius:12px;background:rgba(79,70,229,.08)}.insight-source span{font-weight:900;color:#4f46e5}.insight-source small{color:var(--muted)}.insight-overview{font-size:.95rem;line-height:1.65}.insight-columns{display:grid;grid-template-columns:.8fr 1.2fr;gap:12px;margin-top:14px}.insight-columns section,.insight-monitor{padding:14px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.66)}.insight-columns ul,.insight-columns ol,.insight-monitor ul{margin:0;padding-left:1.15rem;display:grid;gap:7px}.insight-monitor{margin-top:12px}.insight-loading{min-height:130px;display:grid;place-items:center;text-align:center;color:var(--muted)}.insight-loading span{width:34px;height:34px;border:3px solid rgba(79,70,229,.16);border-top-color:#4f46e5;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:900px){.page:not(.dashboard-page){height:auto;min-height:calc(100vh - var(--header));overflow:visible}.content-card{overflow:visible}.insight-columns{grid-template-columns:1fr}}
@media(max-width:620px){.classroom{padding:5px 42px 46px 29px}.double-desk{padding:2px;border-radius:7px}.student-token{font-size:clamp(.39rem,2vw,.55rem);border-radius:5px}.insight-source{align-items:flex-start;flex-direction:column}}

/* Premium classroom v4 — 4x4, polished visual language */
.classroom{padding:18px 72px 82px 112px;background:
 radial-gradient(circle at 52% 110%,rgba(99,102,241,.12),transparent 44%),
 linear-gradient(135deg,rgba(255,255,255,.92),rgba(237,241,248,.95));}
.desk-grid{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(4,minmax(0,1fr));gap:clamp(12px,2vh,24px) clamp(18px,2vw,34px)}
.double-desk{padding:7px;border-radius:20px;background:linear-gradient(145deg,#354052,#1f2633);border:1px solid rgba(255,255,255,.12);box-shadow:0 14px 28px rgba(20,28,42,.22),inset 0 1px rgba(255,255,255,.14)}
.double-desk:before{content:"";position:absolute;inset:5px;border-radius:15px;border:1px solid rgba(255,255,255,.06);pointer-events:none}
.double-desk:after{left:15%;right:15%;bottom:-7px;height:7px;border-radius:0 0 10px 10px;background:#161c27}
.desk-seat{padding:5px}.desk-divider{margin:7px 0;background:rgba(255,255,255,.12)}
.student-token{border-radius:12px;padding:7px 8px;background:linear-gradient(145deg,#fff,#eef0ff);font-family:Inter,"Aptos",system-ui,sans-serif;font-weight:760;font-size:clamp(.58rem,.82vw,.82rem);line-height:1.13;letter-spacing:-.018em;box-shadow:0 7px 16px rgba(9,16,35,.24)}
.student-token span{-webkit-line-clamp:2;text-wrap:balance}
.board,.teacher-desk,.door,.standing-title,.windows b{font-family:Inter,"Aptos",system-ui,sans-serif;font-weight:800;letter-spacing:.11em}
.board{height:48px;border-radius:12px;border:3px solid #30394a;background:linear-gradient(180deg,#1f2937,#0e1624);font-size:.68rem}
.teacher-desk{right:78px;width:136px;height:50px;border-radius:14px;background:linear-gradient(145deg,#536072,#29313f);font-size:.65rem}
.windows{right:5px;top:12%;bottom:18%;width:34px;gap:10px;padding:3px}.windows span{border-radius:9px 0 0 9px;border-width:1px;background:linear-gradient(145deg,#f8fdff,#b9dff4);box-shadow:inset 0 0 12px rgba(255,255,255,.92),0 0 16px rgba(97,190,230,.14)}.windows b{font-size:.42rem}
.door{left:0;bottom:10px;width:46px;height:92px;border-radius:0 12px 12px 0;font-size:.52rem}
.standing-zone{left:8px;right:auto;top:12px;bottom:auto;width:88px;height:calc(100% - 122px);padding:28px 7px 7px;border-radius:16px;background:linear-gradient(180deg,rgba(79,70,229,.09),rgba(79,70,229,.035))}
#standingStudents{overflow:auto}.standing-zone .student-token{min-height:30px;font-size:.5rem}
/* profile: tools do not steal vertical space; result opens inside history column */
.student-profile-card{grid-template-rows:auto auto minmax(0,1fr);inset:clamp(10px,2vh,24px) clamp(10px,3vw,48px)}
.profile-header{padding:18px 24px}.profile-avatar{width:58px;height:58px}.profile-insight-toolbar{padding:10px 18px}.profile-insight-btn{min-height:38px;padding:8px 12px;font-size:.78rem}
.profile-content{position:relative;padding:14px 18px 18px;gap:14px;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);overflow:hidden}
.profile-events,.profile-event-form{padding:14px}.profile-event-form{overflow:auto;align-content:start}.profile-submit{position:sticky;bottom:0;z-index:2;box-shadow:0 -8px 18px var(--surface)}
.profile-insight-panel{position:absolute;z-index:8;left:18px;top:14px;bottom:18px;width:calc(68% - 24px);margin:0;max-height:none;overflow:auto;background:color-mix(in srgb,var(--surface) 97%,transparent);box-shadow:0 22px 60px rgba(16,24,40,.24)}
.insight-block{margin-top:12px;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.insight-block.primary{border-color:color-mix(in srgb,var(--primary) 28%,var(--line));background:color-mix(in srgb,var(--primary) 5%,var(--surface))}.insight-block h4{margin:0 0 9px}.insight-block ul,.insight-block ol{margin:0;padding-left:1.2rem;display:grid;gap:8px;line-height:1.55}
/* input page fits a normal desktop viewport */
body:has(#studentForm) .page{padding:14px clamp(16px,2vw,28px);grid-template-rows:auto minmax(0,1fr)}
body:has(#studentForm) .page-heading{margin-bottom:10px}body:has(#studentForm) .page-heading h1{font-size:clamp(1.35rem,2.2vw,1.9rem)}
body:has(#studentForm) .content-card{padding:14px;overflow:hidden}body:has(#studentForm) .forms-grid{height:100%;gap:12px}
body:has(#studentForm) .form-box{padding:15px;overflow:auto}body:has(#studentForm) .form-box h2{margin-bottom:12px}.form-grid{gap:10px}input,select{padding:9px 11px}.check{padding:8px}.form-actions{margin-top:11px}
@media(max-width:1100px){.profile-content{grid-template-columns:1fr 310px}.profile-insight-panel{width:calc(100% - 346px)}.classroom{padding-left:96px;padding-right:52px}.teacher-desk{right:58px}}
@media(max-width:900px){body:has(#studentForm) .page{height:auto;overflow:visible}body:has(#studentForm) .content-card{overflow:visible}.profile-content{grid-template-columns:1fr}.profile-insight-panel{left:12px;right:12px;width:auto;bottom:12px}.profile-event-form{max-height:none}.classroom{padding-left:75px}}
@media(max-width:620px){.classroom{padding:5px 31px 46px 54px}.desk-grid{gap:5px 6px}.standing-zone{left:3px;top:4px;width:46px;height:calc(100% - 62px);padding:18px 3px 3px}.windows{width:20px}.teacher-desk{right:31px}.student-token{padding:2px;font-size:clamp(.4rem,1.9vw,.56rem)}.profile-content{overflow:auto}.profile-insight-panel{position:fixed;inset:118px 12px 12px;width:auto}.profile-submit{position:static;box-shadow:none}}

/* =========================================================
   EduTrack 2.0 — final visual system and contrast corrections
   ========================================================= */
:root{
  --bg:#f4f6fb;--surface:#ffffff;--surface2:#f7f8fc;--text:#111318;
  --muted:#606979;--line:#dfe3ec;--primary:#5746e8;--primary2:#8b5cf6;
  --ink:#111318;--soft-ink:#343b48;--shadow:0 18px 45px rgba(24,31,48,.10)
}
html[data-theme="dark"]{
  --bg:#0c1018;--surface:#151a24;--surface2:#1c2330;--text:#f7f8fb;
  --muted:#b1bac9;--line:#30394a;--primary:#9d91ff;--primary2:#c084fc;
  --ink:#f7f8fb;--soft-ink:#d8deea;--shadow:0 20px 55px rgba(0,0,0,.34)
}
html,body{color:var(--text);background:
 radial-gradient(circle at 8% -10%,color-mix(in srgb,var(--primary) 10%,transparent),transparent 30%),
 radial-gradient(circle at 94% 0,color-mix(in srgb,var(--primary2) 8%,transparent),transparent 27%),var(--bg)}
h1,h2,h3,h4,strong,.big-link strong,.page-heading h1,.welcome h1{color:var(--text)}
p,small,.brand-copy span,.big-link span{color:var(--muted)}
.site-header{background:color-mix(in srgb,var(--surface) 92%,transparent);border-color:var(--line)}
.card,.premium-panel,.content-card,.form-box,.modal-card{background:var(--surface);border-color:var(--line);color:var(--text)}
.action-card{background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--primary) 4%,var(--surface)))}
.action-card h2,.action-card p,.big-link strong,.big-link span{color:inherit}.action-card p,.big-link span{color:var(--muted)}
.big-link{background:var(--surface)}.big-link:hover{border-color:color-mix(in srgb,var(--primary) 36%,var(--line));box-shadow:0 20px 44px rgba(40,44,74,.13)}
.product-proof span{background:var(--surface2);color:var(--soft-ink);border-color:var(--line)}
input,select{background:var(--surface);color:var(--text)}
html[data-theme="dark"] input,html[data-theme="dark"] select{color-scheme:dark}

/* Desktop input screen: fit the viewport while preserving natural mobile scroll. */
@media (min-width:901px) and (min-height:680px){
 body:has(#studentForm){overflow:hidden}
 body:has(#studentForm) .page{height:calc(100vh - var(--header));padding:12px 22px;grid-template-rows:auto minmax(0,1fr)}
 body:has(#studentForm) .page-heading{margin-bottom:9px}
 body:has(#studentForm) .content-card{min-height:0;padding:12px;overflow:hidden}
 body:has(#studentForm) .forms-grid{height:100%;min-height:0;gap:12px}
 body:has(#studentForm) .form-box{height:100%;min-height:0;padding:13px;overflow:hidden;display:flex;flex-direction:column}
 body:has(#studentForm) .form-box h2{margin:0 0 9px}
 body:has(#studentForm) .form-grid{gap:8px;align-content:start}
 body:has(#studentForm) input,body:has(#studentForm) select{padding:8px 10px}
 body:has(#studentForm) .check{padding:7px 8px}
 body:has(#studentForm) .form-actions{margin-top:auto;padding-top:9px}
}

/* Classroom — architectural, calm and unmistakably modern. */
.classroom{padding:18px 58px 82px 112px;border:1px solid color-mix(in srgb,var(--line) 90%,#8b95a8);background:
 linear-gradient(90deg,color-mix(in srgb,var(--line) 24%,transparent) 1px,transparent 1px),
 linear-gradient(color-mix(in srgb,var(--line) 24%,transparent) 1px,transparent 1px),
 radial-gradient(circle at 50% 112%,color-mix(in srgb,var(--primary) 10%,transparent),transparent 40%),
 color-mix(in srgb,var(--surface2) 92%,var(--surface));background-size:32px 32px,32px 32px,auto,auto}
.desk-grid{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(4,minmax(0,1fr));gap:clamp(13px,2vh,24px) clamp(18px,2.2vw,38px)}
.double-desk{isolation:isolate;padding:7px 8px 9px;border-radius:18px;background:linear-gradient(155deg,#313947,#171d27);border:1px solid rgba(255,255,255,.15);box-shadow:0 14px 28px rgba(18,24,34,.22),inset 0 1px rgba(255,255,255,.15)}
.double-desk::before{inset:5px;border-radius:13px;border-color:rgba(255,255,255,.07)}
.double-desk::after{left:17%;right:17%;bottom:-8px;height:8px;background:#10151e;box-shadow:0 4px 8px rgba(9,13,20,.25)}
.desk-label{top:-9px;left:10px;transform:none;padding:2px 6px;border-radius:999px;background:#111722;color:#dce5f3;font-size:.48rem;letter-spacing:.02em}
.desk-divider{margin:5px 0;background:rgba(255,255,255,.13)}
.desk-seat{padding:4px}.side-mark{display:none}
.student-token{position:relative;border:1px solid rgba(255,255,255,.94);border-radius:11px;padding:7px 8px;background:linear-gradient(150deg,#ffffff,#eef1ff);color:#161b27;font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:clamp(.58rem,.8vw,.82rem);font-weight:760;line-height:1.12;letter-spacing:-.018em;box-shadow:0 7px 16px rgba(4,10,24,.23)}
.student-token::before{content:"";position:absolute;left:7px;top:7px;width:5px;height:5px;border-radius:50%;background:#6d5dfc;box-shadow:0 0 0 3px rgba(109,93,252,.12)}
.student-token span{padding-left:8px;text-align:center;-webkit-line-clamp:2}
.board,.teacher-desk,.door,.standing-title,.windows b{font-family:Inter,"Segoe UI",Arial,sans-serif!important;font-weight:800!important;text-transform:uppercase;letter-spacing:.13em!important}
.board{height:50px;width:min(42%,470px);border:3px solid #29313d;border-radius:12px;background:linear-gradient(180deg,#1b2a2b,#0d1718);color:#f4fbf7;font-size:.66rem;box-shadow:0 12px 25px rgba(10,16,21,.22),inset 0 0 25px rgba(255,255,255,.025)}
.board::after{content:"";position:absolute;left:12%;right:12%;bottom:-7px;height:5px;border-radius:4px;background:#697383}
.teacher-desk{right:68px;width:138px;height:50px;border-radius:14px;background:linear-gradient(150deg,#596476,#2b3340);color:#fff;font-size:.62rem;border:1px solid rgba(255,255,255,.12)}
.teacher-desk::before{content:"";position:absolute;left:14px;right:14px;top:8px;height:2px;background:rgba(255,255,255,.18);border-radius:2px}
.windows{right:2px;top:9%;bottom:18%;width:25px;gap:8px;padding:2px}.windows span{border:1px solid #a7cbe0;border-radius:10px 0 0 10px;background:linear-gradient(90deg,#dff3fc,#9dd2eb);box-shadow:inset 0 0 10px rgba(255,255,255,.92),0 0 12px rgba(78,167,207,.14)}.windows b{display:none}
.door{left:0;bottom:10px;width:48px;height:88px;border-radius:0 13px 13px 0;background:linear-gradient(90deg,#333c4b,#687386);color:#fff;font-size:.5rem}
.standing-zone{left:8px;right:auto;top:14px;bottom:112px;width:90px;height:auto;padding:31px 7px 8px;border:1px dashed color-mix(in srgb,var(--primary) 45%,var(--line));border-radius:16px;background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 9%,var(--surface)),color-mix(in srgb,var(--primary) 3%,var(--surface)))}
.standing-title{top:9px;color:var(--primary);font-size:.49rem}.standing-zone .student-token{min-height:31px;font-size:.49rem;padding:5px}.standing-zone .student-token::before{display:none}.standing-zone .student-token span{padding-left:0}
html[data-theme="dark"] .classroom{background:linear-gradient(90deg,rgba(255,255,255,.026) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.026) 1px,transparent 1px),radial-gradient(circle at 50% 112%,rgba(157,145,255,.12),transparent 40%),#111722;background-size:32px 32px,32px 32px,auto,auto}

/* Profile workspace: history and quick event always remain usable. */
.student-profile-card{grid-template-rows:auto auto minmax(0,1fr);inset:clamp(8px,2vh,24px) clamp(8px,3vw,46px);background:var(--surface)}
.profile-header{padding:15px 22px}.profile-insight-toolbar{padding:9px 16px}.profile-insight-btn{min-height:38px;padding:8px 12px}
.profile-content{min-height:0;overflow:hidden;grid-template-columns:minmax(0,1.45fr) minmax(310px,.55fr);padding:12px 16px 16px;gap:12px}
.profile-events,.profile-event-form{min-height:0;padding:13px}.profile-event-list{min-height:0}
.profile-event-form{height:100%;overflow:auto;display:flex;flex-direction:column;align-content:unset}
.profile-event-form .profile-submit{position:sticky;bottom:0;margin-top:auto;flex:0 0 auto;box-shadow:0 -14px 22px var(--surface);z-index:3}
.profile-insight-panel{left:16px;top:12px;bottom:16px;width:calc(72% - 28px);max-height:none;margin:0;background:var(--surface);border-color:color-mix(in srgb,var(--primary) 28%,var(--line))}
.insight-block,.insight-columns section,.insight-monitor{background:var(--surface2)}

@media(max-width:900px){
 .classroom{padding:8px 39px 56px 78px}.standing-zone{left:4px;width:66px;bottom:74px}.teacher-desk{right:43px}
 .profile-content{grid-template-columns:1fr;overflow:auto}.profile-event-form{height:auto;overflow:visible}.profile-insight-panel{left:10px;right:10px;width:auto;bottom:10px}
}
@media(max-width:620px){
 .classroom{padding:5px 23px 45px 49px}.desk-grid{gap:5px 6px}.double-desk{padding:2px 3px 4px;border-radius:8px}.desk-label{display:none}.student-token{padding:2px;font-size:clamp(.4rem,1.9vw,.56rem)}.student-token::before{display:none}.student-token span{padding-left:0}.standing-zone{left:3px;top:4px;bottom:57px;width:41px;padding:17px 2px 2px}.windows{width:15px}.door{width:25px;height:50px}.teacher-desk{right:25px;width:55px;height:27px}.board{height:25px}
}

/* EduTrack SaaS design system v3 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;500;600;700;800;900&display=swap');
:root{--bg:#f4f7fb;--surface:#ffffff;--surface2:#f8fafc;--text:#172033;--muted:#667085;--line:#d7dfeb;--primary:#5b4ce6;--primary2:#7c63f4;--accent:#0f9f91;--danger:#d64545;--shadow:0 16px 42px rgba(32,49,78,.10);--radius:18px}
html[data-theme=dark]{--bg:#111827;--surface:#1b2432;--surface2:#222d3d;--text:#f5f7fb;--muted:#b8c2d1;--line:#344156;--primary:#9b8cff;--primary2:#7867ef;--accent:#5fd5c7;--danger:#ff7a78;--shadow:0 18px 45px rgba(0,0,0,.28)}
html,body,button,input,select,textarea{font-family:'Noto Sans','Segoe UI',sans-serif}body{background:var(--bg);color:var(--text)}
.card,.premium-panel,.content-card,.form-box,.modal-card{background:var(--surface);color:var(--text)}
.site-header{background:color-mix(in srgb,var(--surface) 94%,transparent)}
.nav a{font-size:.92rem}.btn{min-height:42px;font-size:.9rem}.page-heading p,.welcome p{font-size:.98rem}
/* Home: remove duplicated CTA space and soften cards */
.welcome{min-height:96px}.dashboard-grid .card{background:var(--surface);border-color:var(--line)}.action-card{background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--primary) 5%,var(--surface)))!important}.action-card h2,.big-link strong{color:var(--text)}
/* Forms fit one desktop viewport */
@media(min-width:901px) and (min-height:700px){body:not(.classroom-body):not(.writings-body){overflow:hidden}.page:not(.dashboard-page):not(.writings-page){height:calc(100vh - var(--header));display:grid;grid-template-rows:auto minmax(0,1fr);padding-block:16px}.content-card{min-height:0;overflow:hidden}.forms-grid{height:100%}.form-box{padding:16px;overflow:hidden}.form-box h2{margin-bottom:12px}.form-grid{gap:9px}.field{gap:4px}input,select{padding:9px 11px}.check{padding:7px}.form-actions{margin-top:10px}}
/* Search: one scrollbar only */
.search-page{height:calc(100vh - var(--header));overflow:hidden}.search-page .content-card{min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr)}.search-page .table-wrap{height:calc(100vh - 248px);max-height:none;overflow:auto}.search-page table{min-width:1080px}
/* Classroom toolbar alignment */
.classroom-toolbar{grid-template-columns:minmax(360px,1fr) minmax(280px,340px) auto;align-items:end}.class-picker,.class-actions{align-self:end}.class-actions .btn{height:42px}.class-picker select{height:42px}
/* Classroom furniture: wider, squarer, warm professional surfaces */
.classroom{padding:14px 70px 70px 112px;background:linear-gradient(180deg,#f8fbff,#edf3f8);border-color:#cbd6e3}html[data-theme=dark] .classroom{background:linear-gradient(180deg,#192433,#121b28);border-color:#40506a}
.desk-grid{grid-template-columns:repeat(4,minmax(180px,1fr));grid-template-rows:repeat(4,minmax(0,1fr));gap:12px 28px}
.double-desk{min-height:68px;border-radius:18px;padding:7px;grid-template-columns:1fr 1px 1fr;background:linear-gradient(180deg,#d9b98d,#c59a65);border:1px solid #aa7e4f;box-shadow:0 10px 18px rgba(83,58,30,.16),inset 0 1px rgba(255,255,255,.55)}
html[data-theme=dark] .double-desk{background:linear-gradient(180deg,#9c7654,#7d5d42);border-color:#b08965}.double-desk:after{height:8px;bottom:-7px;background:#826040}.desk-divider{background:rgba(79,55,32,.28)}
.desk-seat{border-radius:12px}.student-token{min-height:45px;border-radius:12px;background:#fff;color:#182033;border:1px solid #d9e1ec;box-shadow:0 4px 10px rgba(32,49,78,.13);font-size:clamp(.72rem,.82vw,.92rem);line-height:1.15;font-weight:800;padding:6px 8px}html[data-theme=dark] .student-token{background:#f8fafc;color:#182033;border-color:#d9e1ec}.student-token span{-webkit-line-clamp:2}
.desk-label{font-family:'Noto Sans',sans-serif;font-size:.58rem}.board,.teacher-desk,.door,.standing-title,.windows b{font-family:'Noto Sans',sans-serif;font-weight:800;letter-spacing:.08em}.board{background:linear-gradient(180deg,#245c54,#17463f);border-color:#9b805f}.teacher-desk{background:linear-gradient(180deg,#6f8198,#526276)}
.standing-zone{left:10px;right:auto;top:18px;bottom:118px;width:86px}.door{left:0;bottom:10px;width:62px;height:92px}.windows{width:34px;top:10%;bottom:13%;gap:9px}.windows span{border-radius:10px 0 0 10px}.teacher-desk{right:76px}.student-profile-card{inset:18px 4vw;grid-template-rows:auto auto minmax(0,1fr)}.profile-insight-panel{position:absolute;z-index:5;left:22px;right:22px;top:145px;max-height:calc(100% - 170px);margin:0}.profile-content{min-height:0}.profile-event-form{overflow:visible}.profile-submit{position:sticky;bottom:0}.profile-event-form select{min-height:40px}
/* Written tests */
.writings-page{height:calc(100vh - var(--header));display:grid;grid-template-rows:auto auto minmax(0,1fr);gap:14px;overflow:hidden}.compact-heading{margin:0}.writings-toolbar{padding:14px;display:grid;grid-template-columns:1.2fr .72fr .9fr auto auto;gap:10px;align-items:end}.writings-toolbar label{display:grid;gap:5px}.writings-card{min-height:0;padding:14px;display:grid;grid-template-rows:auto minmax(0,1fr) auto}.writings-info{color:var(--muted);padding:0 0 10px}.grade-list{min-height:0;overflow:auto;display:grid;align-content:start;gap:7px;padding-right:5px}.grade-row{display:grid;grid-template-columns:34px minmax(240px,1fr) 110px minmax(190px,.55fr);gap:12px;align-items:center;padding:9px 12px;border:1px solid var(--line);border-radius:13px;background:var(--surface2)}.grade-index{width:27px;height:27px;border-radius:9px;background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary);display:grid;place-items:center;font-weight:800}.grade-student{display:grid}.grade-student span{font-size:.72rem;color:var(--muted)}.attendance-flag{color:var(--danger)!important;font-weight:700}.grade-row label{display:grid;gap:3px}.grade-row input{padding:8px}.is-hidden{visibility:hidden}.writings-footer{display:flex;justify-content:space-between;align-items:center;padding-top:10px}.pending-card{width:min(900px,100%)}.pending-row{display:grid;grid-template-columns:1fr .5fr 1fr;gap:12px;padding:11px;border-bottom:1px solid var(--line)}.import-guide{line-height:1.6}.import-guide code{display:block;padding:12px;border-radius:10px;background:var(--surface2);margin:10px 0}
@media(max-width:1100px){.desk-grid{grid-template-columns:repeat(4,minmax(130px,1fr));gap:8px 12px}.classroom{padding-left:90px}.writings-toolbar{grid-template-columns:1fr 1fr 1fr}.writings-toolbar .btn{width:100%}}
@media(max-width:760px){body{overflow:auto!important}.classroom-toolbar{align-items:end}.desk-grid{grid-template-columns:repeat(4,minmax(75px,1fr));gap:5px}.double-desk{min-height:52px;padding:3px}.student-token{font-size:.52rem;padding:2px}.writings-page{height:auto;overflow:visible}.writings-toolbar{grid-template-columns:1fr}.writings-card{min-height:500px}.grade-row{grid-template-columns:30px 1fr 90px}.grade-row .makeup{grid-column:2/-1}.is-hidden{display:none}}