:root{--ink:#17302b;--muted:#657773;--green:#176b5b;--green2:#23947d;--cream:#f5f4ed;--line:#dbe5e1;--white:#fff;--shadow:0 18px 55px rgba(23,48,43,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f6f8f7;font-family:"DM Sans",system-ui,sans-serif}h1,h2,h3{font-family:Manrope,sans-serif;letter-spacing:-.035em}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.topbar{height:72px;padding:0 clamp(20px,5vw,72px);display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.9);backdrop-filter:blur(15px);border-bottom:1px solid #e8eeeb;position:relative;z-index:20}.brand{display:flex;align-items:center;gap:10px;font:800 18px Manrope}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;color:#fff;background:var(--green);font:800 13px Manrope;box-shadow:0 6px 18px #176b5b35}.brand-mark.big{width:60px;height:60px;border-radius:18px;font-size:20px;margin:auto}.topbar nav{display:flex;gap:16px;align-items:center}.user-chip{display:flex;gap:8px;align-items:center}.user-chip img{width:32px;height:32px;border-radius:50%}.btn{border:1px solid transparent;padding:11px 17px;border-radius:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.primary{background:var(--green);color:#fff;box-shadow:0 7px 18px #176b5b28}.btn.primary:hover{background:#105a4c}.btn.ghost{border-color:var(--line);background:#fff}.btn.white{background:#fff;color:var(--ink)}.btn.glass{background:#ffffff22;border-color:#ffffff55;color:#fff}.btn.danger{background:#ba3b3b;color:#fff}.btn.large{padding:14px 22px}.btn.small{padding:8px 13px}.hero{min-height:720px;padding:90px clamp(25px,8vw,130px);display:grid;grid-template-columns:1fr .9fr;gap:8vw;align-items:center;background:radial-gradient(circle at 78% 20%,#dff7e9 0,transparent 28%),linear-gradient(135deg,#f8f6ee,#edf7f3)}.hero h1{font-size:clamp(48px,6vw,86px);line-height:.98;margin:18px 0 26px;max-width:750px}.hero h1 em{font-style:normal;color:var(--green)}.hero-copy>p{font-size:19px;line-height:1.7;max-width:650px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--green)}.hero-actions{display:flex;gap:12px;margin:30px 0 15px}.micro,.muted{color:var(--muted);font-size:13px}.hero-board{min-height:510px;border-radius:34px;padding:45px;position:relative;background:#1e5147;box-shadow:0 35px 80px #183e3540;transform:rotate(1deg)}.demo-card{position:absolute;padding:24px;border-radius:20px;box-shadow:0 15px 30px #092e2730;width:55%;font-size:15px}.demo-card h3{font-size:20px}.demo-card small{color:#48615c}.demo-card.coral{background:#ffc6b6;top:35px;left:30px;transform:rotate(-4deg)}.demo-card.mint{background:#c8f0df;right:28px;top:190px;transform:rotate(3deg)}.demo-card.yellow{background:#ffe99d;left:42px;bottom:30px;transform:rotate(-1deg)}.how{padding:100px clamp(25px,8vw,130px);background:white}.how>h2{font-size:clamp(34px,4vw,54px);max-width:700px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:50px}.steps article{border-top:2px solid var(--ink);padding:24px 0}.steps b{color:var(--green)}footer{padding:30px clamp(25px,5vw,72px);display:flex;justify-content:space-between;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}.auth-page main{min-height:calc(100vh - 72px);display:grid;place-items:center;padding:50px 20px;background:radial-gradient(circle at top,#e1f5ed,transparent 55%)}.auth-card{width:min(460px,100%);background:white;padding:42px;border-radius:26px;text-align:center;box-shadow:var(--shadow)}.auth-card.wide{width:min(800px,100%);text-align:left}.auth-card h1{font-size:34px;margin-bottom:10px}.auth-card p{line-height:1.6}.btn.google{border:1px solid var(--line);background:white;width:100%;margin:18px 0}.btn.google span{font-size:20px;color:#4285f4}.dashboard-head{padding:60px clamp(22px,7vw,110px) 30px;display:flex;justify-content:space-between;align-items:end}.dashboard-head h1{font-size:48px;margin:8px 0}.board-grid{padding:15px clamp(22px,7vw,110px) 100px;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}.board-tile{min-height:290px;border-radius:24px;padding:26px;color:white;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:.2s}.board-tile:hover{transform:translateY(-4px)}.theme-ocean{--theme:#176b5b}.theme-sunset{--theme:#bb5b45}.theme-forest{--theme:#385b3d}.theme-plum{--theme:#655072}.board-tile{background:var(--theme)}.tile-top,.tile-actions{display:flex;justify-content:space-between;align-items:center}.tile-top{font-size:12px;text-transform:uppercase;letter-spacing:.1em}.status-dot{width:8px;height:8px;border-radius:50%;background:#8dffc4}.board-tile h2{font-size:26px;margin:42px 0 8px}.board-tile p{opacity:.8;flex:1}.tile-stats{font-size:13px;margin-bottom:16px}.pending-badge{background:#ffe99d;color:#493d0d;border-radius:20px;padding:5px 9px;margin-left:8px}.tile-actions{gap:8px}.tile-actions .btn{flex:1}.icon-btn{background:#ffffff20;padding:11px;border-radius:12px}.empty{margin:40px auto 100px;padding:70px 30px;text-align:center;border:1px dashed #afc6bf;border-radius:24px;max-width:700px}.empty>div{font-size:42px;color:var(--green)}dialog{border:0;border-radius:25px;padding:0;width:min(620px,calc(100% - 30px));box-shadow:0 30px 90px #102c2760}dialog::backdrop{background:#102c2788;backdrop-filter:blur(4px)}.dialog-form,.settings-card{padding:32px;display:grid;gap:18px}.dialog-head{display:flex;justify-content:space-between;align-items:start}.dialog-head h2{margin:5px 0}.dialog-close{border:0;background:#edf2f0;border-radius:50%;font-size:25px;width:38px;height:38px}.dialog-form label,.settings-card label,.form-grid label{display:grid;gap:7px;font-weight:700;font-size:14px}input,textarea,select{width:100%;padding:13px;border:1px solid #cad9d4;border-radius:11px;background:white;color:var(--ink)}textarea{resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.span-2{grid-column:1/-1}.optional{color:var(--muted);font-weight:400}.hp{position:absolute;left:-10000px}fieldset{border:0;padding:0}legend{font-weight:700;font-size:14px}.color-picker{display:flex;gap:10px;margin-top:8px}.color-picker input{position:absolute;opacity:0}.color-picker span{display:block;width:34px;height:34px;border-radius:50%;border:3px solid white;box-shadow:0 0 0 1px #ccd8d4}.color-picker input:checked+span{box-shadow:0 0 0 3px var(--green)}.color-picker .white{background:#fff}.color-picker .yellow{background:#fff0ae}.color-picker .mint{background:#cdefdf}.color-picker .coral{background:#ffd2c6}.color-picker .lilac{background:#eadcf4}.notice,.toast{padding:14px;border-radius:12px}.notice.error,.toast.error{background:#ffe4e4;color:#852828}.notice.success,.toast.success{background:#dcf7ea;color:#16614e}.toast{position:fixed;z-index:100;top:82px;left:50%;transform:translateX(-50%);box-shadow:var(--shadow)}
.board-page{background:#eef3f1}.board-hero{padding:48px clamp(22px,6vw,90px);min-height:250px;background:var(--theme);color:#fff;display:flex;justify-content:space-between;align-items:end}.board-hero h1{font-size:clamp(38px,6vw,70px);margin:12px 0;max-width:900px}.board-hero p{max-width:800px;line-height:1.6;opacity:.88}.board-meta,.board-actions{display:flex;gap:12px;align-items:center}.live-pill{background:#ffffff18;border:1px solid #ffffff35;border-radius:20px;padding:7px 11px;font-size:12px}.review-tabs{padding:15px clamp(22px,6vw,90px);display:flex;gap:20px;background:#fff}.review-tabs a{padding:8px 0}.review-tabs a.active{font-weight:800;border-bottom:3px solid var(--green)}.review-tabs b{background:#ffe1a8;padding:3px 7px;border-radius:10px}.compose{display:grid;grid-template-columns:auto 1fr;column-gap:12px;text-align:left;width:min(700px,calc(100% - 44px));margin:28px auto;padding:18px 22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 8px 25px #163c3410}.compose>span{grid-row:1/3;background:var(--green);color:#fff;width:40px;height:40px;border-radius:13px;display:grid;place-items:center;font-size:20px}.compose small{color:var(--muted)}.posts{padding:10px clamp(22px,5vw,75px) 100px}.layout-masonry{columns:4 280px;column-gap:20px}.layout-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.layout-list{max-width:780px;margin:auto;display:grid;gap:20px}.post-card{break-inside:avoid;margin:0 0 20px;background:#fff;border-radius:20px;padding:22px;box-shadow:0 8px 27px #193e3512;border:1px solid #e3ebe8;position:relative}.layout-grid .post-card{margin:0}.color-yellow{background:#fff0ae}.color-mint{background:#d9f3e7}.color-coral{background:#ffd7cc}.color-lilac{background:#eee3f6}.post-author{display:flex;align-items:center;gap:10px;position:relative}.post-author img{width:38px;height:38px;border-radius:50%}.post-author div:first-of-type{display:grid;flex:1}.post-author small{color:var(--muted)}.post-menu{border:0;background:transparent;font-weight:bold}.menu{display:none;position:absolute;right:0;top:35px;background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:6px;z-index:5}.menu.show{display:grid}.menu button{border:0;background:none;text-align:left;padding:9px 13px;border-radius:8px}.menu button:hover{background:#f1f5f3}.menu .danger{color:#b52f2f}.post-card h3{font-size:21px;margin:20px 0 8px}.post-body{line-height:1.65;margin:16px 0;overflow-wrap:anywhere}.pin{display:inline-block;font-size:11px;background:#fff7;border-radius:20px;padding:5px 8px;margin-bottom:10px}.attachment-image{display:block;width:calc(100% + 44px);max-height:440px;object-fit:cover;margin:18px -22px -5px}.file-chip,.link-preview{display:flex;gap:10px;align-items:center;margin-top:16px;padding:13px;background:#fff9;border-radius:12px;overflow:hidden}.link-preview span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.file-chip span{display:grid}.file-chip small{color:var(--muted)}.video{position:relative;padding-top:56.25%;margin:16px -5px 0}.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:12px}.post-footer{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding-top:14px;border-top:1px solid #0000000c}.reactions{display:flex;flex-wrap:wrap;gap:5px}.reactions button,.comment-toggle{border:1px solid #ccd9d5;background:#fff9;border-radius:20px;padding:6px 9px;font-size:13px}.reactions button.active{border-color:var(--green);background:#dff5ed}.comments{border-top:1px solid #0000000c;margin-top:14px;padding-top:12px}.comment{background:#fff8;border-radius:12px;padding:10px;margin-bottom:8px}.comment p{margin:4px 0}.comment small{color:var(--muted)}.comment-row{display:flex;gap:6px;margin-top:6px}.comment-row button{border:0;background:var(--green);color:#fff;border-radius:10px}.posts-empty{column-span:all;background:#fff}.share-sheet{position:fixed;z-index:200;inset:0;background:#102c2788;display:grid;place-items:center;padding:20px}.share-sheet[hidden]{display:none}.share-sheet>div{background:#fff;border-radius:24px;padding:30px;width:min(460px,100%);position:relative}.share-close{position:absolute;right:15px;top:15px;border:0;background:#edf2f0;border-radius:50%;font-size:20px}.share-sheet h2{margin-top:7px}.share-sheet #qrcode{display:grid;place-items:center;margin:22px}.copy-row{display:flex;gap:7px}.copy-row input{min-width:0}.form-status{margin:0;text-align:center;color:var(--green)}
.settings-wrap{padding:60px clamp(22px,7vw,110px);display:grid;grid-template-columns:280px minmax(0,700px);gap:35px}.settings-wrap aside{position:sticky;top:95px;height:max-content}.settings-wrap aside h1{font-size:34px}.share-mini{margin-top:30px;background:#edf3f0;border-radius:15px;padding:15px;display:grid;gap:7px}.settings-card{background:#fff;border-radius:22px;box-shadow:var(--shadow)}.settings-card section{display:grid;gap:16px;padding-bottom:24px;border-bottom:1px solid var(--line)}.switch-row{display:flex!important;justify-content:space-between;align-items:center;border:1px solid var(--line);padding:14px;border-radius:13px}.switch-row span{display:grid}.switch-row small{color:var(--muted);font-weight:400}.switch-row input{width:22px;height:22px}.danger-zone{grid-column:2;background:#fff1f1;border:1px solid #f1caca;padding:25px;border-radius:20px}.danger-zone h2{margin-top:0}
@media(max-width:850px){.hero{grid-template-columns:1fr;padding-top:60px}.hero-board{min-height:430px}.steps{grid-template-columns:1fr}.topbar nav>a:not(.btn),.user-chip span{display:none}.dashboard-head,.board-hero{align-items:start;gap:22px;flex-direction:column}.settings-wrap{grid-template-columns:1fr}.settings-wrap aside{position:static}.danger-zone{grid-column:1}.layout-masonry{columns:2 260px}}@media(max-width:540px){.topbar{padding:0 16px}.brand>span:last-child{display:none}.hero{padding:55px 20px}.hero h1{font-size:48px}.hero-actions{flex-direction:column}.hero-board{padding:15px;min-height:390px}.demo-card{width:70%;padding:17px}.how{padding:70px 22px}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.dashboard-head h1{font-size:39px}.board-grid{grid-template-columns:1fr}.board-hero{padding:35px 22px}.board-actions{width:100%}.board-actions>*{flex:1}.layout-masonry{columns:1}.posts{padding-inline:14px}.settings-wrap{padding:35px 16px}.auth-card{padding:30px 22px}footer{flex-direction:column;gap:7px}}
.admin-table{margin:0 clamp(22px,7vw,110px) 80px;background:#fff;border-radius:20px;overflow:auto;box-shadow:var(--shadow)}.admin-table table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{padding:15px;text-align:left;border-bottom:1px solid var(--line)}.admin-table td:first-child{display:grid}.admin-table small{color:var(--muted)}
.activity-showcase{padding:100px clamp(25px,8vw,130px);background:#17302b;color:#fff}.activity-showcase>h2{font-size:clamp(34px,4vw,54px);max-width:780px}.activity-showcase .eyebrow{color:#89e2c8}.activity-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:45px}.activity-cards article{background:#ffffff0d;border:1px solid #ffffff20;border-radius:19px;padding:22px}.activity-cards i{font-style:normal;font-size:28px}.activity-cards h3{font-size:19px}.activity-cards p{color:#c5d5d0;font-size:14px;line-height:1.55}.activity-picker{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:8px}.activity-picker input{position:absolute;opacity:0}.activity-picker label:last-child{grid-column:1/-1}.activity-picker span{border:1px solid var(--line);border-radius:13px;padding:13px;display:grid;gap:3px}.activity-picker small{font-weight:400;color:var(--muted)}.activity-picker input:checked+span{border-color:var(--green);background:#e9f7f2;box-shadow:0 0 0 2px #176b5b22}.media-player{width:100%;margin-top:16px}.media-video{width:calc(100% + 44px);max-height:460px;background:#111;margin:18px -22px -5px}
.canvas-head,.quiz-hero{padding:38px clamp(22px,5vw,70px);background:var(--theme);color:#fff;display:flex;justify-content:space-between;align-items:end}.canvas-head h1,.quiz-hero h1{font-size:clamp(34px,5vw,58px);margin:7px 0}.canvas-head p,.quiz-hero p{max-width:800px}.eyebrow.light{color:#baf3df}.canvas-toolbar{height:65px;padding:10px clamp(16px,4vw,55px);display:flex;align-items:center;gap:18px;background:#fff;border-bottom:1px solid var(--line)}.canvas-toolbar span{color:var(--muted);flex:1}.canvas-viewport{height:calc(100vh - 250px);min-height:550px;overflow:auto;background:#dfe8e5}.idea-canvas{width:2000px;height:1250px;position:relative;background-color:#f8faf9;background-image:radial-gradient(#afc5be 1px,transparent 1px);background-size:24px 24px}.canvas-note{position:absolute;width:220px;min-height:140px;padding:20px;border-radius:5px;box-shadow:0 9px 20px #17302b25;touch-action:none;cursor:grab;z-index:4}.canvas-note.dragging{cursor:grabbing;transform:rotate(1deg);box-shadow:0 18px 35px #17302b40}.canvas-note p{line-height:1.5;margin-top:8px}.canvas-note small{color:#56645f}.canvas-delete{position:absolute;right:7px;top:7px;border:0;background:#fff8;border-radius:50%}.kwl-bg{position:absolute;inset:35px;display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.kwl-bg section{border:3px dashed #819b93;border-radius:20px;padding:22px;color:#667d76}.kwl-bg b{font-size:55px;display:block;color:#176b5b}.venn-bg{position:absolute;left:430px;top:210px;width:1100px;height:650px}.venn-bg div{position:absolute;width:600px;height:600px;border:7px solid #398c77;border-radius:50%;display:grid;place-items:start center;padding-top:70px;font:800 44px Manrope;color:#176b5b;background:#63d2ae20}.venn-bg div:nth-child(2){left:430px;border-color:#db7a61;background:#f09a8320;color:#a44e39}.venn-bg b{position:absolute;left:465px;top:290px}.mindmap-bg{position:absolute;inset:100px}.mindmap-bg b{position:absolute;left:750px;top:430px;width:260px;height:130px;border-radius:50%;background:#176b5b;color:#fff;display:grid;place-items:center}.mindmap-bg i{position:absolute;left:875px;top:495px;width:500px;border-top:4px solid #8aa49d;transform-origin:left}.mindmap-bg i:nth-child(1){transform:rotate(35deg)}.mindmap-bg i:nth-child(2){transform:rotate(-35deg)}.mindmap-bg i:nth-child(3){transform:rotate(145deg)}.mindmap-bg i:nth-child(4){transform:rotate(215deg)}
.builder-layout{padding:10px clamp(22px,7vw,110px) 80px;display:grid;grid-template-columns:390px 1fr;gap:25px;align-items:start}.question-form{position:sticky;top:90px}.question-form .notice{font-size:13px;background:#eef6f3}.question-bank{display:grid;gap:12px}.question-bank>article{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:start;background:#fff;border-radius:16px;padding:19px;border:1px solid var(--line)}.question-bank h3{margin:4px 0}.q-number{width:34px;height:34px;display:grid;place-items:center;background:#dff3ec;border-radius:50%;font-weight:bold}.quiz-page{background:#eef3f1}.quiz-layout{padding:38px clamp(18px,6vw,90px) 90px;display:grid;grid-template-columns:minmax(0,760px) 280px;gap:25px;align-items:start}.quiz-form{display:grid;gap:20px}.participant,.quiz-question{background:#fff;border-radius:20px;padding:24px;box-shadow:0 7px 22px #17302b0d}.quiz-question header{display:flex;justify-content:space-between;color:var(--green);font-size:12px;text-transform:uppercase;letter-spacing:.08em}.quiz-question h2{font-size:21px;margin:18px 0}.answer-options{display:grid;gap:9px}.answer-options.two{grid-template-columns:1fr 1fr}.answer-options input{position:absolute;opacity:0}.answer-options span{display:block;border:1px solid var(--line);border-radius:12px;padding:13px}.answer-options input:checked+span{border-color:var(--green);background:#dff5ed;box-shadow:0 0 0 2px #176b5b22}.matching-list{display:grid;gap:9px}.matching-list label{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:12px}.ordering-list{display:grid;gap:8px;padding:0;list-style:none}.ordering-list li{display:flex;gap:12px;padding:13px;border:1px solid var(--line);border-radius:11px;background:#f8faf9;cursor:grab}.ordering-list li.dragging{opacity:.4}.quiz-submit{position:sticky;bottom:15px}.leaderboard{position:sticky;top:90px;background:#17302b;color:#fff;border-radius:20px;padding:22px}.leaderboard .eyebrow{color:#8fe1c9}.leaderboard>div{display:grid;grid-template-columns:28px 1fr auto;gap:8px;padding:11px 0;border-bottom:1px solid #ffffff18}.score-card{margin:25px auto 0;width:min(560px,calc(100% - 35px));text-align:center;background:#fff;padding:30px;border-radius:22px;box-shadow:var(--shadow)}.score-card span,.score-card small{display:block;color:var(--muted)}.score-card strong{font:800 68px Manrope;color:var(--green)}.jeopardy-card{border-top:7px solid var(--theme)}
@media(max-width:1050px){.activity-cards{grid-template-columns:repeat(2,1fr)}.builder-layout,.quiz-layout{grid-template-columns:1fr}.question-form,.leaderboard{position:static}}@media(max-width:700px){.canvas-head,.quiz-hero{align-items:start;flex-direction:column;gap:15px}.canvas-toolbar span{display:none}.activity-picker,.activity-cards{grid-template-columns:1fr}.activity-picker label:last-child{grid-column:auto}.builder-layout{padding-inline:14px}.matching-list label{grid-template-columns:1fr}.quiz-layout{padding-inline:12px}}
.order-buttons{margin-left:auto;display:flex;gap:4px}.order-buttons button{border:1px solid var(--line);background:#fff;border-radius:7px}.jeopardy-board{margin:28px auto 0;padding:14px;width:min(1000px,calc(100% - 30px));display:flex;overflow-x:auto;gap:8px;background:#102c27;border-radius:18px}.jeopardy-board section{min-width:150px;display:grid;gap:6px;flex:1}.jeopardy-board h3{margin:0;padding:12px;text-align:center;background:#176b5b;color:#fff;font-size:14px}.jeopardy-board a{padding:15px;text-align:center;background:#224a42;color:#ffe99d;font:800 22px Manrope;border-radius:7px}.jeopardy-board a:hover{background:#2f6358}