:root{--ink:#243c35;--muted:#758079;--green:#285544;--bg:#f7f8f3;--line:#dfe5dc;--white:#fff;--sage:#e6edde;--gold:#b58038;font-family:Inter,"Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button,.button{border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);padding:11px 16px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}button:hover,.button:hover{background:#edf2e9}button:disabled{opacity:.5;cursor:wait}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #b18c45;outline-offset:3px}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#173f30}.quiet{background:transparent;border-color:transparent}.danger{color:#a44132}.topbar{display:flex;align-items:center;gap:36px;padding:24px 4%;border-bottom:1px solid var(--line);background:#fffefa}.brand{text-decoration:none;display:flex;align-items:center;gap:13px;font-weight:650;font-size:18px;white-space:nowrap}.brand-icon{font-family:Georgia,serif;background:var(--green);color:white;width:45px;height:45px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:37px;font-weight:400;line-height:1}.brand-icon span{color:#d5c791}.brand small{display:block;font-size:8px;letter-spacing:2px;font-weight:600;color:var(--muted);margin-top:5px}.topbar nav{display:flex;align-items:center;gap:23px;margin-left:auto;font-size:13px}.topbar nav a{text-decoration:none;padding:8px 0;white-space:nowrap}.topbar nav a.active{color:var(--green);border-bottom:2px solid var(--green)}.clock{border-left:1px solid var(--line);padding-left:26px;text-align:right;white-space:nowrap}.clock span{font-size:22px;font-variant-numeric:tabular-nums}.clock small{display:block;font-size:10px;color:var(--muted);margin-top:4px}main{max-width:1500px;margin:auto;padding:48px 4%}.eyebrow{font-size:10px;font-weight:750;letter-spacing:2px;color:#72846b}h1{font-family:Georgia,"Times New Roman",serif;font-size:46px;font-weight:400;letter-spacing:-1.5px;margin:13px 0}h2{font-size:23px;font-weight:550;letter-spacing:-.6px;margin:9px 0}p{line-height:1.65;color:var(--muted);font-size:14px}.intro{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:38px}.intro p{margin-bottom:0}.intro>.primary{padding:14px 19px}.week-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.week-label{color:var(--muted);font-size:11px;font-weight:650;letter-spacing:1px}.week-controls{display:flex;gap:6px}.week-controls button{padding:9px 13px}.legend{display:flex;gap:17px;align-items:center;font-size:11px;color:var(--muted);margin:18px 0}.legend>span{display:flex;align-items:center;gap:6px}.dot{height:7px;width:7px;border-radius:50%;display:inline-block}.planned{background:#b7c3b0}.draft{background:#c39758}.approved{background:#3d7960}.week-count{margin-left:auto}.calendar{display:grid;grid-template-columns:repeat(7,minmax(135px,1fr));border:1px solid var(--line);border-radius:16px;background:white;overflow:hidden;min-height:340px}.day{border-right:1px solid var(--line);min-width:0;padding:14px 10px;display:flex;flex-direction:column}.day:last-child{border-right:0}.day.today{background:#f4f7ee}.day.weekend{background:#fafbf7}.day-heading{display:flex;align-items:center;gap:9px;padding:4px 4px 18px;border-bottom:1px solid #edf0e9;margin-bottom:14px}.day-number{font-size:24px;font-family:Georgia,serif;width:35px;height:35px;display:grid;place-items:center}.today .day-number{background:var(--green);border-radius:50%;color:white}.day-name{font-size:11px;color:var(--muted)}.today-label{display:block;color:var(--green);font-size:8px;letter-spacing:.8px;font-weight:700;margin-top:4px}.lesson-card{display:block;text-align:left;width:100%;padding:12px 10px;margin-bottom:10px;border:1px solid #dce6d7;border-left:3px solid #a4b69a;background:#f3f6ee;border-radius:8px;position:relative}.lesson-card.draft-card{background:#fbf6ed;border-color:#efe1c6;border-left-color:#c79f62}.lesson-card.approved-card{background:#eaf2ed;border-color:#cce0d4;border-left-color:#418065}.lesson-card small{display:block;font-size:10px;color:var(--muted);font-weight:400;margin-bottom:8px}.lesson-card strong{display:block;font-size:13px;line-height:1.5}.lesson-card .topic{display:block;font-size:12px;font-weight:400;margin:6px 0 10px;line-height:1.5;overflow-wrap:anywhere}.lesson-card .card-bottom{font-size:9px;color:var(--muted);display:flex;justify-content:space-between;gap:4px}.add-day{margin-top:auto;background:none;border:1px dashed #dfe5d9;color:#87977d;font-size:12px;padding:9px 3px;font-weight:400}.day-empty{font-size:11px;text-align:center;color:#a0aa9b;margin:40px 0}.bottom-note{display:flex;align-items:center;gap:19px;background:#edf1e5;padding:23px 28px;border-radius:14px;margin-top:28px}.bottom-note strong{font-size:14px;font-weight:600}.bottom-note p{font-size:12px;margin:6px 0 0}.spark{font-size:40px;color:#859666}.pill{display:inline-block;background:#e7eedf;border:1px solid #d5dfcc;padding:6px 10px;border-radius:20px;font-size:10px;white-space:nowrap}.bottom-note .pill{margin-left:auto}.fine{font-size:11px;color:var(--muted);line-height:1.6}footer{padding:25px 4%;border-top:1px solid var(--line);color:#98a28f;letter-spacing:1.3px;font-size:8px;display:flex;justify-content:space-between;margin-top:35px}footer span{letter-spacing:0;font-size:10px}label{display:block;font-size:12px;font-weight:600;margin:18px 0 8px}input,textarea{width:100%;display:block;border:1px solid var(--line);border-radius:8px;padding:11px 12px;background:white;color:var(--ink);margin-top:7px;line-height:1.5}textarea{resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 15px}dialog{border:1px solid var(--line);border-radius:18px;width:min(660px,94vw);max-height:90vh;padding:28px;box-shadow:0 30px 100px #17362c25;color:var(--ink)}dialog::backdrop{background:#152c276b;backdrop-filter:blur(4px)}#preview{width:min(860px,94vw)}.dialog-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.dialog-heading h2{line-height:1.35;overflow-wrap:anywhere}.close{padding:2px 10px;border:0;background:none;font-size:28px;font-weight:300}.preview-actions,.preview-footer{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:18px 0}.preview-actions .pill{margin-right:auto}.preview-tabs{display:flex;gap:20px;border-bottom:1px solid var(--line);margin-top:20px}.preview-tabs button{border:0;border-radius:0;background:transparent;padding-left:0;padding-right:0}.preview-tabs .active{border-bottom:2px solid var(--green)}.lesson-text{white-space:pre-wrap;line-height:1.85;font-size:15px;min-height:170px;padding:23px 0;overflow-wrap:anywhere}.notice{background:#fff2d9;border:1px solid #f0d9a7;padding:12px 16px;border-radius:8px;font-size:13px;line-height:1.6}.preview-footer{padding-top:18px;border-top:1px solid var(--line)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#244d42;color:white;padding:14px 24px;border-radius:12px;max-width:92vw;box-shadow:0 5px 30px #0002;z-index:1000;font-size:14px}#login{min-height:72vh;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:9%}#login[hidden]{display:none}.login-card{max-width:430px;justify-self:center}.login-card h1{font-size:61px}.login-card>p{font-size:18px}.login-card .primary{width:100%;margin-top:18px;justify-content:space-between}#login-error{color:#a44132;font-size:13px}.login-art{position:relative;height:410px;border-radius:50%;background:#e8eddf}.paper{position:absolute;box-shadow:0 20px 35px #34492f12;padding:30px;border-radius:5px}.paper small{letter-spacing:2px;font-size:10px}.paper strong{display:block;font-family:Georgia,serif;font-size:36px;line-height:1.2;margin-top:22px;font-weight:400}.p1{left:0;top:30px;background:#d9e5cd;transform:rotate(-9deg);width:220px;height:280px}.p1 span{font-size:70px;color:#799165}.p2{right:10px;top:105px;transform:rotate(7deg);background:#fffdf4;width:260px;height:285px}.p2 i{display:block;font-size:11px;margin-top:22px;color:#8b917e}.screens-layout{display:grid;grid-template-columns:1fr 1fr;gap:35px}.panel,.board-card{border:1px solid var(--line);background:white;border-radius:15px;padding:26px}.panel ol{padding-left:20px;color:var(--muted);font-size:14px;line-height:1.8}.board-card{margin:16px 0}.board-card h3{margin:0 0 8px}.board-card .actions{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}.board-wait{text-align:center;padding:8vh 0}.pair-code{font:600 60px monospace;letter-spacing:10px;color:var(--green);margin:35px 0}.board-heading{display:flex;justify-content:space-between;align-items:center}#board-title{font-size:clamp(40px,5vw,80px)}.board-text{font-size:clamp(23px,2.4vw,42px);line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}.board-mode .topbar nav{display:none}.board-mode .clock{margin-left:auto}.board-mode footer{display:none}[hidden]{display:none!important}@media(min-width:1600px){main{padding-left:20px;padding-right:20px}}@media(max-width:1100px){.topbar{gap:20px}.topbar nav{gap:13px}.clock{padding-left:15px}.calendar{overflow-x:auto;grid-template-columns:repeat(7,minmax(155px,1fr))}.intro h1{font-size:40px}.login-art{transform:scale(.85)}}@media(max-width:720px){.topbar{flex-wrap:wrap;padding:18px 5%;gap:18px}.brand{font-size:16px}.topbar nav{order:3;width:100%;margin:0;justify-content:space-between;font-size:12px;gap:7px}.clock{margin-left:auto;border:0;padding:0}.clock span{font-size:19px}main{padding:28px 5%}.intro{align-items:flex-start;flex-direction:column;margin-bottom:26px;gap:14px}.intro h1{font-size:36px}.intro p{font-size:13px}.week-toolbar h2{font-size:18px}.week-controls{gap:3px}.week-controls button{padding:8px 10px;font-size:11px}.legend{gap:10px}.week-count{font-size:9px}.calendar{margin-right:-5vw;border-radius:12px 0 0 12px}.bottom-note{padding:18px;gap:12px}.bottom-note .pill{display:none}.spark{font-size:30px}dialog{padding:22px}.preview-footer button{flex:1;font-size:12px}.screens-layout{grid-template-columns:1fr;gap:18px}#login{grid-template-columns:1fr;min-height:60vh}.login-art{display:none}.login-card h1{font-size:50px}footer{font-size:7px;gap:20px}.pair-code{font-size:36px;letter-spacing:5px}.board-wait h1{font-size:35px}.board-text{font-size:24px}}
/* Keep the fullscreen toggle at the viewport edge, independent of lesson width. */
.board-mode.is-fullscreen #fullscreen{position:fixed;top:24px;right:24px;z-index:20;box-shadow:0 3px 15px #17362c15}
.board-mode.is-fullscreen .topbar{padding-right:230px}
.board-mode.is-fullscreen #board{max-width:none}
@media(max-width:720px){.board-mode.is-fullscreen #fullscreen{top:14px;right:14px;font-size:12px}.board-mode.is-fullscreen .topbar{padding-right:190px}.board-mode.is-fullscreen .clock{display:none}}