:root{font-family:Inter,'Segoe UI',sans-serif;color:#24332e;background:#f6f7f3;font-synthesis:none;--green:#266a50;--muted:#7d8981;--line:#e4e9e1}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button,a,input,select,textarea{outline-offset:4px}button{border:1px solid var(--line);background:white;border-radius:9px;padding:10px 14px;color:inherit;font-size:13px;font-weight:600}button:hover{background:#edf3eb}button.primary{background:var(--green);color:white;border-color:var(--green)}button.primary:hover{background:#20563f}button.danger{color:#a2473c}button:disabled{opacity:.5;cursor:not-allowed}.layout{display:grid;grid-template-columns:224px 1fr;min-height:100vh}aside{background:#fff;border-right:1px solid var(--line);padding:30px 20px;display:flex;flex-direction:column;gap:30px;position:sticky;top:0;height:100vh}.brand{font-size:25px;letter-spacing:-1px;font-weight:750;display:flex;gap:9px;align-items:center}.brand i{background:#dff06c;color:#294b37;font-style:normal;display:grid;place-items:center;width:34px;height:34px;border-radius:11px}.brand small{font-size:9px;color:var(--muted);font-weight:500;letter-spacing:1px}.nav{display:flex;flex-direction:column;gap:8px}.nav button{border:0;text-align:left;padding:13px 14px;background:transparent;color:#77837b;font-weight:500;display:flex;gap:12px;align-items:center}.nav button.active{background:#edf3e5;color:#34523c;font-weight:650}.nav span{font-size:18px;width:22px}.aside-note{margin-top:auto;background:#f6f7ef;border:1px solid #e8ecd9;padding:16px;border-radius:12px;font-size:12px;line-height:1.7}.aside-note strong{display:block;margin-bottom:5px}.profile{display:flex;align-items:center;gap:9px;font-size:12px}.avatar{border-radius:50%;width:36px;height:36px;background:#eae6db;display:grid;place-items:center;font-weight:650}.profile small{display:block;color:var(--muted);margin-top:3px}.profile button{margin-left:auto;padding:5px;border:0}main{min-width:0}.topbar{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 38px;background:#ffffff80;font-size:13px}.topbar .muted{font-size:12px}.content{padding:32px 38px;max-width:1700px;margin:auto}.heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}h1{font-size:29px;font-weight:650;letter-spacing:-1px;margin:0 0 8px}h2{font-size:17px;font-weight:650;margin:0}p{line-height:1.6}.muted{color:var(--muted)}.heading p{font-size:13px;margin:0;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:25px}.stat{background:white;border:1px solid var(--line);border-radius:13px;padding:20px;position:relative}.stat .label{color:var(--muted);font-size:12px}.stat strong{display:block;font-size:28px;font-weight:600;margin:12px 0 5px}.stat small{font-size:11px;color:var(--muted)}.stat .symbol{position:absolute;right:17px;top:15px;background:#f1f5e8;padding:7px;border-radius:8px;color:#537151}.panel{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.panel-head{padding:19px 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:10px}.toolbar{display:flex;align-items:center;gap:8px}.toolbar button{padding:7px 11px}.week-label{font-size:15px;font-weight:600;min-width:180px}.calendar-scroll{overflow:auto}.calendar{min-width:770px;display:grid;grid-template-columns:54px repeat(7,minmax(95px,1fr))}.day-head{padding:16px 3px;text-align:center;border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}.day-head strong{display:inline-grid;place-items:center;font-size:19px;color:#45574a;font-weight:550;margin-top:7px;width:33px;height:33px;border-radius:50%}.day-head.today strong{background:var(--green);color:white}.time-column,.day-column{height:720px;position:relative}.day-column{border-left:1px solid var(--line);background:repeating-linear-gradient(to bottom,transparent 0,transparent 59px,#edf0eb 59px,#edf0eb 60px)}.time-label{position:absolute;font-size:10px;color:#95a096;left:10px;transform:translateY(-6px)}.event{position:absolute;left:5px;right:5px;text-align:left;border:0;border-left:3px solid #9ab783;border-radius:6px;background:#edf3e5;padding:8px;color:#3e573d;overflow:hidden;font-size:10px}.event:hover{background:#e2ebd8}.event strong{font-size:11px;display:block;margin:5px 0}.event small{font-size:10px;opacity:.75}.event.lilac{background:#eeeafa;border-color:#b9a6de;color:#68518e}.event.peach{background:#fbefe3;border-color:#dab593;color:#8f694c}.calendar-foot{padding:13px 22px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);display:flex;justify-content:space-between}.bottom-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:20px;margin-top:24px}.list{padding:0 22px}.row{padding:17px 0;border-bottom:1px solid #eef0eb;display:flex;align-items:center;gap:13px}.row:last-child{border:0}.row .grow{flex:1;min-width:0}.row strong{font-size:13px;font-weight:600}.row p{font-size:12px;margin:5px 0 0;color:var(--muted);white-space:pre-wrap;overflow-wrap:anywhere}.badge{font-size:10px;padding:5px 8px;background:#f3f5ec;border-radius:5px;color:#6a7f50;white-space:nowrap}.badge.orange{background:#fff0df;color:#ad7742}.empty{text-align:center;padding:45px 25px;font-size:13px;color:var(--muted);line-height:1.8}.empty strong{display:block;color:#56664e;font-size:15px;margin-bottom:8px}.student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}.student-card{padding:23px;background:white;border:1px solid var(--line);border-radius:13px}.student-card h2{margin:14px 0 7px}.student-card p{font-size:12px;overflow-wrap:anywhere}.student-card .avatar{width:45px;height:45px;background:#eef1df}.note{padding:15px 18px;border-radius:10px;background:#edf2e5;color:#667552;font-size:12px;line-height:1.7;margin-bottom:20px}.auth{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.auth-story{background:#254e3b;color:#fff;padding:70px;display:flex;flex-direction:column;justify-content:center}.auth-story .brand{margin-bottom:65px}.auth-story h1{font-size:52px;line-height:1.15;max-width:500px;letter-spacing:-2px}.auth-story p{color:#c5d4c6;max-width:420px}.auth-story .pills{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.pills span{padding:8px 12px;border:1px solid #67836d;border-radius:30px;font-size:12px}.auth-form{padding:40px;display:flex;align-items:center;justify-content:center}.auth-form form{max-width:380px;width:100%}.auth-form h2{font-size:26px;margin-bottom:10px}.auth-form .primary{width:100%;margin-top:8px}.auth-form .switch{border:0;background:none;width:100%;margin-top:15px;color:var(--green)}label{display:block;font-size:12px;font-weight:600;margin:17px 0 7px}input,select,textarea{width:100%;border:1px solid #dfe5dc;border-radius:8px;padding:11px 12px;color:#314334;background:white}textarea{resize:vertical;min-height:100px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}dialog{border:1px solid var(--line);border-radius:17px;padding:28px;width:480px;max-width:calc(100% - 30px);box-shadow:0 30px 100px #193c3525}dialog::backdrop{background:#15282066;backdrop-filter:blur(3px)}.dialog-title{display:flex;align-items:center;justify-content:space-between}.dialog-title button{border:0;font-size:19px;padding:3px 8px}.actions{display:flex;gap:8px;justify-content:flex-end;margin-top:24px;flex-wrap:wrap}.error{color:#ab4f40;font-size:12px;line-height:1.5;margin:10px 0}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:12px 22px;background:#243f31;color:white;border-radius:10px;display:none;font-size:13px;z-index:10}.board-wrap{padding:16px;background:#e9ede5;overflow:auto}canvas{display:block;background:white;border-radius:8px;width:100%;aspect-ratio:1.6;touch-action:none;cursor:crosshair}.room-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:16px 22px;border-bottom:1px solid var(--line)}.room-tools input{width:45px;height:35px;padding:3px}.voice-state{font-size:12px;color:var(--muted)}.check{width:auto;accent-color:var(--green)}@media(min-width:1500px){.content{padding:40px 55px}.time-column,.day-column{height:720px}}@media(max-width:1000px){.layout{grid-template-columns:180px 1fr}aside{padding:25px 12px}.content{padding:25px 20px}.stats{gap:9px}.stat{padding:14px}.bottom-grid{grid-template-columns:1fr}.topbar{padding:0 20px}.auth-story{padding:35px}.auth-story h1{font-size:38px}}@media(max-width:700px){.layout{display:block}aside{height:auto;position:static;padding:15px;gap:15px;border-bottom:1px solid var(--line)}aside .brand{font-size:22px}.nav{flex-direction:row;overflow:auto}.nav button{white-space:nowrap;padding:10px}.nav span{display:none}.aside-note,.profile{display:none}.topbar{height:50px}.content{padding:22px 14px}.heading{align-items:flex-start}h1{font-size:25px}.stats{grid-template-columns:1fr 1fr}.panel-head{padding:15px;flex-wrap:wrap}.week-label{min-width:160px}.auth{grid-template-columns:1fr}.auth-story{padding:28px}.auth-story .brand{margin-bottom:20px}.auth-story h1{font-size:32px}.auth-story .pills{display:none}.auth-form{padding:30px 22px}}


/* Longer application name fits the narrow sidebar. */
aside .brand{flex-direction:column;align-items:flex-start;gap:8px;font-size:17px;letter-spacing:-.6px}.brand i{flex-shrink:0}.auth-story .brand{font-size:24px}@media(max-width:1000px) and (min-width:701px){aside .brand{font-size:15px}}

.brand i{font-size:16px;letter-spacing:-.5px}

.calendar-slot{position:absolute;left:0;right:0;height:15px;width:100%;border:0;border-radius:0;padding:0;background:transparent;z-index:0}.calendar-slot:hover,.calendar-slot:focus-visible{background:#dce9d8;outline:1px solid #7c9e6c;outline-offset:-1px}.event{z-index:1;background:color-mix(in srgb,var(--event-color) 12%,white);border-color:var(--event-color);color:color-mix(in srgb,var(--event-color) 75%,black)}.event:hover{background:color-mix(in srgb,var(--event-color) 22%,white)}.event[draggable=true]{cursor:grab}.event.dragging{opacity:.45}.day-column.drop-target{background-color:#eaf2df}.color-options{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.color-swatch{width:28px;height:28px;border-radius:50%;padding:0;background:var(--swatch);border:3px solid white;box-shadow:0 0 0 1px #dde4d9}.color-swatch:hover{background:var(--swatch);transform:scale(1.1)}.color-swatch[aria-pressed=true]{box-shadow:0 0 0 2px #334b39}.color-options input[type=color]{width:42px;height:32px;padding:2px}.lesson-description{background:#f4f6f0;border-radius:10px;padding:15px;margin:15px 0;font-size:13px}.lesson-description p{white-space:pre-wrap;overflow-wrap:anywhere;margin:8px 0 0}.calendar-foot{gap:15px;flex-wrap:wrap}dialog{max-height:90vh;overflow:auto}

.lesson-flags{display:flex;gap:24px;margin:12px 0}.lesson-flags label{display:flex;align-items:center;gap:8px}.room-tools select{width:auto}.room-tools input[type=range]{width:90px}.room-tools label{margin:0;display:flex;align-items:center;gap:5px}.board-wrap{max-height:70vh;background-color:#eef0ed;background-image:radial-gradient(#ccd3c9 1px,transparent 1px);background-size:18px 18px}.room-tools{background:#fff;box-shadow:0 3px 12px #2033210a}#board{max-width:none}
.room-tools input.check{width:16px;height:16px;padding:0}

.board-wrap{padding:0;overflow:hidden;height:65vh;min-height:350px;max-height:none;background:none}#board{width:100%;height:100%;aspect-ratio:auto;border-radius:0;background:transparent;display:block}#zoomLabel{min-width:44px;text-align:center;font-size:12px}

.current-time-line{position:absolute;left:0;right:0;height:2px;background:#db4747;z-index:5;pointer-events:none}.current-time-line:before{content:"";position:absolute;width:9px;height:9px;left:-4px;top:-3.5px;border-radius:50%;background:#db4747}.current-time-line span{position:absolute;right:3px;bottom:4px;font-size:10px;color:#bf3030;background:#fff;padding:1px 4px;border-radius:4px}.event[draggable=true]{cursor:grab}.event.dragging{cursor:grabbing;opacity:.45}.lesson-preview{width:420px;padding:24px;box-shadow:0 12px 50px #193c3530}.lesson-preview::backdrop{background:#15282012;backdrop-filter:none}.lesson-preview .dialog-title h2{font-size:22px}.lesson-preview .lesson-description{border-top:1px solid #e4e9e1;padding-top:16px}.lesson-editor{width:850px;max-height:calc(100dvh - 40px);overflow:auto;padding:30px}.lesson-editor .dialog-title{padding-bottom:18px;border-bottom:1px solid #e4e9e1}.lesson-editor .form-grid{grid-template-columns:1fr 150px 1fr}.lesson-editor textarea{min-height:180px}.lesson-editor .actions{position:sticky;bottom:-30px;background:white;padding:15px 0;margin-top:12px}@media(max-width:700px){.lesson-editor .form-grid{grid-template-columns:1fr}.lesson-editor{padding:20px}.lesson-preview{max-height:calc(100dvh - 30px);overflow:auto}}

.calendar-drag-preview{position:absolute;left:4px;right:4px;z-index:6;border:2px dashed #266a50;background:#e5f2e8c9;border-radius:7px;padding:6px;font-size:11px;color:#266a50;pointer-events:none}