:root{--paper:#f3f5f2;--white:#fff;--ink:#173c37;--muted:#75847f;--line:#e1e8e2;--green:#226f60;--mint:#e6f2eb;--shadow:0 10px 40px #20392b06;font-family:'Segoe UI',Arial,sans-serif;background:var(--paper);color:var(--ink)}
body{background:var(--paper)}a{color:#226f60}button{transition:background .15s,box-shadow .15s,transform .15s}button:active{transform:translateY(1px)}.topbar{height:80px;border:0;background:#fff;box-shadow:0 1px 0 #e1e8e2;padding:0 30px;gap:20px}.brand{gap:10px}.brand svg{stroke:#226f60;width:38px;height:38px}.brand>span{font-size:24px;letter-spacing:-.9px}.brand-light{font-weight:400}.header-note{display:block;flex:1;font-size:13px;letter-spacing:0;color:#75847f;border-left:1px solid var(--line);padding-left:20px}.top-actions{gap:14px}.account-pill{border:0;background:#f4f7f3;color:#64756c;font-size:12px}.online-pill{font-size:12px;color:#75847f;white-space:nowrap}.online-pill:before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:#b5bdb4;margin-right:6px}.online-pill.connected:before{background:#49a47a}.avatar{width:36px;height:36px;background:#e7eee2;color:#516744;font-size:14px;font-weight:600;border-radius:50%;display:grid;place-items:center}.install-button{font-size:13px;font-weight:600;padding:9px 14px;border:1px solid #cbdccf;border-radius:10px;background:#fff}.study-header-button{border:0;background:#f2f6f1;color:#385c50;font-size:13px;border-radius:9px;padding:9px 13px}
.app-layout{display:grid;grid-template-columns:90px minmax(0,1fr);height:calc(100dvh - 80px);min-height:650px}.navigation-rail{background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding:26px 7px;gap:12px}.navigation-rail>button{width:72px;min-height:73px;border:0;background:transparent;border-radius:13px;font-size:11px;color:#7b8780;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px}.navigation-rail svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.navigation-rail button[aria-current=page]{background:#e8f3ed;color:#276e5a;font-weight:600}.navigation-rail button:hover{background:#f0f5f0}.navigation-rail .rail-bottom{margin-top:auto;min-height:56px}.main-area{min-width:0;min-height:0;overflow:auto}.study-view{display:flex;flex-direction:column;height:100%;min-height:630px}.welcome-banner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:25px 28px 18px;flex-shrink:0}.welcome-banner .eyebrow{font-size:11px;color:#75847f;letter-spacing:1.1px}.welcome-banner h1{font-size:28px;line-height:1.2;letter-spacing:-.8px;font-weight:600;margin:5px 0 7px}.welcome-banner p{font-size:14px;margin:0;color:#7a8981}.today-badge{font-size:12px;text-transform:capitalize;background:#e9eee7;padding:9px 13px;border-radius:8px;color:#6d7a69;white-space:nowrap}
.workspace{display:grid;grid-template-columns:245px minmax(0,1fr);height:auto;min-height:0;flex:1;gap:22px;padding:0 28px 24px}.lesson-panel,.voice-active .lesson-panel{display:flex;flex-direction:column;overflow:auto;height:100%;min-height:0;border:0}.voice-card{position:relative;border:0;background:#e4efe6;border-radius:16px;padding:17px;gap:8px;box-shadow:none;flex-shrink:0;overflow:hidden}.voice-card:after{content:'';position:absolute;right:-16px;top:-25px;border:1px solid #b8d3c140;width:110px;height:110px;border-radius:50%;pointer-events:none}.voice-card-title{font-size:16px;color:#2f5c48;font-weight:600;display:block;margin:0}.voice-card p{display:block;font-size:12px;line-height:1.5;color:#6b846f;margin:0 0 6px;max-width:180px}.orb-wrap{height:35px;display:flex;justify-content:flex-start}.orb{width:32px;height:32px;margin:0;background:#bad7bd;box-shadow:none}.voice-card .primary-button{background:#286e56;border:0;box-shadow:none;border-radius:10px;width:100%;font-size:14px;font-weight:500;min-height:42px;padding:10px 13px}.voice-card .quiet-button{font-size:11px;color:#718970;margin:0;padding:4px}.primary-button:hover{background:#215d48}.agenda-section{padding-top:25px}.agenda-heading h2{font-size:17px;font-weight:600;letter-spacing:-.3px}.agenda-heading a{font-size:11px;color:#85958c}.agenda-tabs{gap:16px;margin-top:12px;border:0}.agenda-tabs button{font-size:12px;padding:6px 0;border-bottom-width:2px}.agenda-updated{font-size:10px;margin:7px 0 10px;color:#93a094}.agenda-list{display:flex;flex-direction:column;gap:11px}.agenda-card{background:#fff;border:1px solid #e1e9df;border-radius:12px;padding:14px;margin:0;box-shadow:0 4px 16px #23452c03}.agenda-card h3{font-size:14px;line-height:1.5;font-weight:600;margin:7px 0 6px;letter-spacing:0}.agenda-meta{font-size:10px;line-height:1.5;color:#879286;margin:0}.agenda-pages{font-size:11px;color:#516c57;margin:6px 0}.agenda-coverage{font-size:10px;color:#819785;margin:5px 0}.agenda-start{border-radius:7px;background:#e8f3e8;color:#376548;padding:7px 11px;font-size:12px;min-height:30px;margin:7px 7px 0 0}.agenda-card a{font-size:10px;color:#8a9b86}.agenda-card:hover{border-color:#bfd4bf}.board-panel{border:1px solid #dde6df;border-radius:17px;box-shadow:var(--shadow);min-height:0;height:100%;background:#fff}.board-toolbar{height:49px;min-height:49px;padding:0 20px;border-bottom:1px solid #eef1ec;gap:6px}.board-title .eyebrow{font-size:10px;letter-spacing:.8px;color:#829287}.board-title>span:last-child{font-size:15px;font-weight:500}.icon-button{border-radius:8px;width:34px;height:34px;color:#6c8174}.icon-button:hover{background:#edf4ed}.board-actions{gap:3px}.end-study{font-size:11px;padding:6px 10px;border:1px solid #e0e7da;border-radius:7px;background:#f8faf5;color:#6a7d5b}.canvas-wrap,#whiteboard{min-height:160px}.canvas-wrap{background:#fff;background-image:radial-gradient(#bed0bf55 .7px,transparent .7px);background-size:20px 20px}.board-empty{padding:30px}.board-empty h2{font-size:27px;font-weight:500;letter-spacing:-.7px;margin:18px 0 10px;color:#35594a}.board-empty p{font-size:14px;line-height:1.7;color:#839284;max-width:300px;margin:0 auto}.empty-art{width:75px;height:75px;color:#628b72;background:#edf6eb;border-radius:23px;display:grid;place-items:center;margin:auto}.empty-art svg{width:42px;height:42px;stroke:currentColor;fill:none;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}.empty-note{display:inline-block;margin-top:19px;background:#f4f7f0;border:1px solid #e3ebdb;font-size:11px;padding:6px 11px;border-radius:20px;color:#8a9b7a}.board-zoom{background:#fff;border:1px solid #e1e9df;border-radius:9px;box-shadow:0 3px 8px #26432d05;right:16px;bottom:14px}.board-zoom 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.family-view{padding:28px 30px 40px;max-width:1440px;margin:auto}.family-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}.family-heading h1{font-size:29px;letter-spacing:-.8px;font-weight:600;margin:5px 0 8px}.family-heading p{font-size:13px;color:#839087;margin:0}.family-heading .eyebrow{font-size:11px;color:#718970}.family-controls{display:flex;align-items:center;gap:8px}.family-controls select{background:#fff;border:1px solid #dce7d8;border-radius:9px;padding:10px 12px;font-size:12px}.family-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-bottom:22px}.metric-card{background:#fff;border:1px solid #e0e8dc;border-radius:15px;padding:19px 21px}.metric-label{font-size:12px;color:#83927b;margin:0 0 10px}.metric-value{display:block;font-size:36px;line-height:1.15;font-weight:500;color:#4c7354;letter-spacing:-1.4px}.metric-detail{font-size:10px;color:#9ba690;margin:9px 0 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button{border:0;background:#658e55;color:#fff;border-radius:7px;width:34px;height:34px;font-size:18px}.family-updated{font-size:10px;color:#9aa98c;margin-top:15px}.family-error{font-size:12px;color:#a45442}.report-dialog{width:min(660px,94vw);max-width:660px;padding:27px;border:0;border-radius:17px}.report-source{font-size:12px;color:#92a281;line-height:1.7}.report-narrative{font-size:17px;line-height:1.8;color:#5d7851;margin:20px 0}.report-dialog section{margin:23px 0}.report-dialog section h3{font-size:14px;color:#6e825e}.report-dialog section p{font-size:14px;line-height:1.7}.next-step-card{padding:16px;background:#f1f7e8;border-radius:12px}.report-note{font-size:11px;color:#96a185;line-height:1.7}.report-date{font-size:11px;color:#8c9b7b;margin:0}.access-overlay{position:fixed;inset:0;z-index:100;background:#f3f5f2;display:grid;place-items:center;padding:24px}.access-card{max-width:420px;width:100%;background:#fff;border:1px solid #e0e8dc;padding:38px;border-radius:22px;box-shadow:0 20px 70px #23452c08}.access-card h1{font-size:29px;font-weight:500;letter-spacing:-1px;margin:24px 0 12px}.access-card p{font-size:14px;color:#8b987f;line-height:1.8}.access-card label{font-size:12px;color:#859b74;display:block;margin:24px 0 9px}.access-card input{width:100%;border:1px solid #d7e4ca;padding:13px;border-radius:10px;font-size:16px}.access-card button{width:100%;background:#648c54;color:#fff;border:0;border-radius:10px;padding:13px;font-size:14px;margin-top:16px}.access-card .access-error{color:#a6624c;font-size:12px}.access-brand{font-size:18px;font-weight:600;color:#577b47}.install-dialog{max-width:420px;padding:27px;border:0;border-radius:17px}.install-dialog p{font-size:14px;line-height:1.8}.student-account .study-management #book-import-form,.student-account .study-management #new-book-form,.student-account .study-management #agenda-form,.student-account #agenda-json{display:none}.student-account 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@media(min-width:1450px){.workspace{grid-template-columns:285px minmax(0,1fr);gap:26px}.welcome-banner{padding-top:30px;padding-bottom:25px}.agenda-card h3{font-size:15px}.agenda-meta,.agenda-card a{font-size:11px}.voice-card{padding:21px}.canvas-wrap,#whiteboard{min-height:240px}}
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@media(max-width:760px){.topbar{height:65px;padding:0 16px;flex-wrap:nowrap;gap:8px}.brand>span{font-size:20px}.brand svg{width:29px;height:29px}.online-pill,.avatar,.account-pill{display:none}.top-actions{margin-left:auto;gap:3px}.install-button{font-size:11px;padding:7px 9px}.study-header-button{display:none}.app-layout{grid-template-columns:1fr;height:auto;min-height:calc(100dvh - 65px);padding-bottom:65px}.navigation-rail{position:fixed;bottom:0;left:0;right:0;z-index:25;height:65px;padding:4px 16px;flex-direction:row;justify-content:space-around;border-top:1px solid #dfe8d8;box-shadow:0 -4px 24px #29482706}.navigation-rail>button{width:85px;min-height:54px;font-size:10px;gap:3px;border-radius:10px}.navigation-rail svg{width:19px;height:19px}.navigation-rail .rail-bottom{margin-top:0;min-height:54px;width:55px}.main-area{overflow:visible}.study-view{height:auto;min-height:0}.welcome-banner{padding:20px 17px 17px;align-items:flex-start}.welcome-banner h1{font-size:23px;margin:5px 0 6px}.welcome-banner p{font-size:12px}.today-badge{font-size:10px;padding:7px 9px;max-width:107px;white-space:normal;text-align:right;background:transparent}.workspace{display:flex;flex-direction:column;height:auto;min-height:0;padding:0 14px 18px;gap:15px}.lesson-panel,.voice-active .lesson-panel{height:auto;max-height:none;overflow:visible;display:flex}.voice-card{display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;gap:9px;padding:12px 15px}.orb-wrap{display:none}.voice-card-title{flex:1;font-size:14px}.voice-card p{display:none}.voice-card .primary-button{width:auto;min-width:110px;min-height:36px;flex:0;font-size:12px}.voice-card .quiet-button{font-size:10px;padding:0;flex-basis:100%;text-align:right}.agenda-section{padding-top:17px}.agenda-heading h2{font-size:15px}.agenda-updated{margin:4px 0 9px}.agenda-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;max-height:260px;overflow:auto}.agenda-card{padding:12px}.agenda-card h3{font-size:12px}.agenda-meta{font-size:9px}.agenda-tabs{margin-top:4px}.agenda-tabs button{font-size:11px}.board-panel{height:570px;min-height:480px;max-height:none;border-radius:14px;overflow:hidden}.board-toolbar{height:44px;min-height:44px;padding:0 12px}.board-title>span:last-child{max-width:150px;font-size:12px}.board-title .eyebrow{font-size:9px;max-width:180px}.board-actions .icon-button{width:28px;height:28px}.end-study{font-size:9px;padding:5px 7px}.canvas-wrap,#whiteboard{min-height:180px}.board-empty h2{font-size:22px}.board-empty p{font-size:13px}.empty-art{width:62px;height:62px}.caption-strip{padding:10px 13px;min-height:58px;max-height:160px;overflow:auto}.caption-strip p{font-size:16px}.caption-label{display:none}.study-source{padding:9px 12px}.study-source strong{font-size:11px}.study-source p{font-size:9px}.study-source>div{min-width:170px}.study-source button,.study-source a{font-size:9px}.composer{margin:9px 11px 0;min-height:49px}.composer input{font-size:16px}.bottom-strip{padding:7px 13px 10px}.homework-panel{margin:6px 12px 0}.family-view{padding:22px 16px 26px}.family-heading{align-items:flex-start;gap:12px;margin-bottom:18px}.family-heading h1{font-size:24px}.family-heading p{font-size:11px}.family-controls{gap:4px}.family-controls select{font-size:10px;padding:8px}.family-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:14px}.metric-card{padding:15px}.metric-value{font-size:29px}.metric-label{font-size:11px}.metric-detail{font-size:9px}.family-grid{display:flex;flex-direction:column;gap:14px}.family-card{padding:19px}.family-chat{order:2}.family-messages{min-height:150px;max-height:300px}.family-card h2{font-size:16px}.report-open{font-size:10px}.report-row-text strong{font-size:12px}.family-heading .eyebrow{font-size:10px}.access-card{padding:30px}.access-card h1{font-size:27px}}
.workspace{width:100%;max-width:none;margin:0}@media(max-width:760px){.board-panel{flex:none}}
.board-talk{border:0;background:#e6f2e5;color:#56804b;border-radius:7px;padding:6px 11px;font-size:11px;min-height:29px}@media(max-width:760px){.board-talk{font-size:10px;padding:5px 8px}.board-actions #save-button{display:none}}