:root{--green:#52ad72;--green-dark:#267849;--green-pale:#edf7ef;--ink:#19231d;--muted:#738078;--line:#e3e9e4;--bg:#f7f9f6;--white:#fff;--orange:#ef9c55;--blue:#5b91d1;--red:#d65d5d;--shadow:0 12px 34px rgba(26,55,36,.07)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans KR",sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.app{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:238px;padding:22px 16px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:10px;border:0;background:none;text-align:left;padding:0 8px 26px}.brand img{width:46px;height:46px;object-fit:cover;border-radius:13px}.brand span{display:flex;flex-direction:column}.brand b{font-size:20px}.brand small{font-size:10px;color:var(--muted);letter-spacing:.04em}.sidebar nav{display:grid;gap:5px}.nav-item{border:0;background:transparent;color:#657168;border-radius:12px;padding:13px 14px;display:grid;grid-template-columns:22px 1fr auto;gap:10px;text-align:left;align-items:center}.nav-item span{font-size:19px}.nav-item b{font-size:14px}.nav-item i{font-style:normal;background:#e76c61;color:#fff;border-radius:30px;min-width:20px;height:20px;display:grid;place-items:center;font-size:11px}.nav-item.active{background:var(--green-pale);color:var(--green-dark)}.sidebar-foot{margin-top:auto}.role-switch{display:grid;grid-template-columns:1fr 1fr;background:#f0f3f0;padding:4px;border-radius:11px}.role-switch button{border:0;background:transparent;padding:8px;border-radius:8px;color:var(--muted);font-size:12px;font-weight:700}.role-switch button.active{background:#fff;color:var(--green-dark);box-shadow:0 2px 8px #dfe5df}.user-card{display:flex;align-items:center;gap:10px;margin-top:14px;padding:11px 8px;border-top:1px solid var(--line)}.user-card>span:nth-child(2){display:flex;flex-direction:column}.user-card b{font-size:13px}.user-card small{color:var(--muted);font-size:11px}main{margin-left:238px;min-height:100vh}.topbar{height:88px;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);padding:0 36px;display:flex;align-items:center;position:sticky;top:0;z-index:15;backdrop-filter:blur(12px)}.top-title p{margin:0 0 2px;color:var(--muted);font-size:11px}.top-title h1{font-size:18px;margin:0}.mobile-menu{display:none;border:0;background:none;font-size:21px;margin-right:12px}.student-picker{margin-left:auto;display:flex;align-items:center;gap:9px;position:relative}.avatar{width:38px;height:38px;border-radius:50%;background:#dce9df;display:grid;place-items:center;font-weight:800;color:#376146;flex:none}.teacher-avatar{background:var(--green);color:#fff}.student-picker>button{border:0;background:none;display:grid;grid-template-columns:1fr auto;text-align:left;column-gap:18px}.student-picker small{grid-column:1;color:var(--muted);font-size:10px}.student-picker b{font-size:13px}.student-picker button span{grid-row:1/3;grid-column:2;align-self:center}.picker-menu{position:absolute;right:0;top:50px;width:250px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:7px;box-shadow:var(--shadow)}.picker-menu button{width:100%;display:flex;align-items:center;gap:9px;border:0;background:none;border-radius:10px;padding:9px;text-align:left}.picker-menu button:hover{background:var(--green-pale)}.picker-menu button span:last-child{display:flex;flex-direction:column}.picker-menu small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:160px}.content{padding:34px 36px 60px;max-width:1450px;margin:auto}.view{display:none}.view.active{display:block}.student-only{display:none}.student-mode .teacher-only{display:none!important}.student-mode .student-only{display:block}.student-mode [data-for=teacher]{display:none}.student-mode .student-picker{display:none}.student-mode .content{max-width:1120px}.hero{border-radius:24px;min-height:245px;padding:38px 42px;display:flex;justify-content:space-between;overflow:hidden}.teacher-hero{background:linear-gradient(125deg,#2e8753,#62b97c);color:#fff}.kicker{display:inline-block;color:var(--green-dark);font:700 11px "DM Sans",sans-serif;letter-spacing:.12em;margin-bottom:9px}.teacher-hero .kicker{color:#d9f5df}.hero h2,.student-greeting h2{font-size:30px;line-height:1.35;margin:0 0 10px}.hero p,.student-greeting p{margin:0;opacity:.82;font-size:14px}.hero-art{width:220px;position:relative}.hero-art img{position:absolute;width:250px;height:250px;object-fit:cover;border-radius:50%;right:-10px;top:-38px;mix-blend-mode:screen;opacity:.9}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:16px 0}.summary-card{border:1px solid var(--line);background:#fff;border-radius:18px;padding:20px;text-align:left;display:grid;grid-template-columns:auto 1fr;column-gap:13px;box-shadow:0 3px 12px rgba(20,45,28,.025)}.summary-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;grid-row:1/4;font-weight:800}.summary-icon.green{background:#e4f4e8;color:var(--green-dark)}.summary-icon.orange{background:#fff0e2;color:#c7732e}.summary-icon.blue{background:#e7f0fb;color:#427bbd}.summary-card small{color:var(--muted)}.summary-card strong{font-size:24px}.summary-card em{font-style:normal;font-size:11px;color:var(--green-dark);font-weight:700}.panel{background:#fff;border:1px solid var(--line);border-radius:19px;padding:23px;box-shadow:0 3px 14px rgba(26,55,36,.025)}.panel-head,.section-head{display:flex;justify-content:space-between;align-items:flex-start}.panel-head{margin-bottom:16px}.panel-head h3,.section-head h2{margin:0}.panel-head h3{font-size:17px}.panel-head p,.section-head p{margin:5px 0 0;color:var(--muted);font-size:12px}.text-button{border:0;background:none;color:var(--green-dark);font-size:12px;font-weight:700}.progress-list{display:grid}.progress-row{display:grid;grid-template-columns:230px 1fr 55px 90px;gap:16px;align-items:center;padding:14px 0;border:0;border-top:1px solid #edf0ed;width:100%;background:transparent;text-align:left}.progress-row:first-child{border-top:0}.student-name{display:flex;align-items:center;gap:10px}.student-name span:last-child{display:flex;flex-direction:column}.student-name small{color:var(--muted);font-size:11px}.bar{height:8px;background:#eef1ee;border-radius:20px;overflow:hidden}.bar i{display:block;height:100%;background:var(--green);border-radius:20px}.status{justify-self:end;font-size:11px;border-radius:20px;padding:5px 9px;background:var(--green-pale);color:var(--green-dark);font-style:normal}.status.warn{background:#fff0e2;color:#b66425}.status.late{background:#fde9e8;color:#b44949}.student-greeting{background:linear-gradient(130deg,#eff8f1,#f8fbf5);border:1px solid #dceade;border-radius:24px;padding:34px 38px;display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.student-greeting h2{font-size:28px}.big-progress{width:130px;height:130px;border-radius:50%;background:conic-gradient(var(--green) var(--progress),#dfeae1 0);display:grid;place-content:center;text-align:center;position:relative}.big-progress:before{content:"";position:absolute;inset:10px;border-radius:50%;background:#fff}.big-progress span,.big-progress small{z-index:1}.big-progress span{font-size:24px;font-weight:800}.big-progress small{font-size:10px;color:var(--muted)}.student-layout{display:grid;grid-template-columns:1fr 290px;gap:16px}.task-list{display:grid;gap:9px}.task-item{display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:15px}.task-item input{appearance:none;width:24px;height:24px;border:2px solid #cbd6cd;border-radius:8px}.task-item input:checked{background:var(--green);border-color:var(--green);position:relative}.task-item input:checked:after{content:"✓";color:white;position:absolute;inset:0;display:grid;place-items:center;font-weight:800}.task-item.done{opacity:.58}.task-item.done h4{text-decoration:line-through}.task-item h4{margin:0 0 3px;font-size:14px}.task-item p{margin:0;color:var(--muted);font-size:11px}.task-item>small{color:var(--muted)}.date-chip{font:700 10px "DM Sans";letter-spacing:.1em;background:var(--green-pale);color:var(--green-dark);border-radius:20px;padding:7px 10px}.quick-actions{display:grid;gap:10px}.quick-card{border:0;border-radius:17px;padding:19px;text-align:left;display:grid;grid-template-columns:40px 1fr;column-gap:12px}.quick-card span{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;grid-row:1/3;font-size:20px;font-weight:800}.quick-card b{font-size:14px}.quick-card small{font-size:10px;color:var(--muted)}.quick-card.proof{background:#eaf6ed}.quick-card.proof span{background:#fff;color:var(--green-dark)}.quick-card.question{background:#fff1e6}.quick-card.question span{background:#fff;color:#b96d32}.quick-card.class{background:#eaf1fa}.quick-card.class span{background:#fff;color:#477dbb}.section-head{margin-bottom:22px}.section-head h2{font-size:27px}.primary,.secondary,.danger{border-radius:10px;padding:10px 16px;font-weight:700;font-size:13px}.primary{border:1px solid var(--green);background:var(--green);color:#fff}.secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}.danger{border:1px solid #efcecc;background:#fff;color:var(--red)}.toolbar,.schedule-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.toolbar input{width:330px;border:1px solid var(--line);border-radius:11px;padding:11px 14px;background:#fff}.toolbar span{font-size:12px;color:var(--muted)}.student-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.student-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.student-card-top{display:flex;align-items:center;gap:10px}.student-card-top>span:nth-child(2){display:flex;flex-direction:column}.student-card-top small{color:var(--muted);font-size:10px}.student-card .status{margin-left:auto}.student-card h3{font-size:14px;margin:18px 0 5px}.student-card>p{margin:0;color:var(--muted);font-size:11px;min-height:34px}.student-card .bar{margin:16px 0 7px}.student-card-meta{display:flex;justify-content:space-between;font-size:11px}.student-card-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:17px}.student-card-actions button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px;color:#59655d;font-size:11px}.student-card-actions button:first-child{background:var(--green-pale);border-color:#d9ebdd;color:var(--green-dark)}.week-control{display:flex;align-items:center;gap:14px}.week-control button{width:32px;height:32px;border:1px solid var(--line);background:#fff;border-radius:9px}.schedule-stats{display:flex;gap:18px;color:var(--muted);font-size:12px}.schedule-stats b{color:var(--ink)}.schedule-board{display:grid;grid-template-columns:repeat(7,1fr);gap:9px;overflow:auto}.day-column{background:#f0f3f0;border-radius:15px;padding:11px;min-width:150px;min-height:420px}.day-head{padding:4px 3px 12px;display:flex;justify-content:space-between}.day-head b{font-size:12px}.day-head span{font-size:11px;color:var(--muted)}.day-column.today{background:#edf6ef;outline:1px solid #cde4d2}.schedule-card{background:#fff;border:1px solid var(--line);border-radius:11px;padding:11px;margin-bottom:8px;cursor:pointer}.schedule-card.done{opacity:.58}.schedule-card .type{font-size:9px;font-weight:800;color:var(--green-dark)}.schedule-card h4{font-size:12px;margin:5px 0}.schedule-card p{font-size:9px;color:var(--muted);margin:0}.schedule-card footer{display:flex;justify-content:space-between;margin-top:9px;font-size:9px;color:var(--muted)}.filter-tabs{display:flex;gap:5px;margin-bottom:15px}.filter-tabs button{border:1px solid var(--line);background:#fff;border-radius:20px;padding:8px 15px;font-size:11px}.filter-tabs button.active{background:var(--ink);color:#fff;border-color:var(--ink)}.inbox-list{display:grid;gap:11px}.inbox-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px}.inbox-head{display:flex;align-items:center;gap:9px}.inbox-head>span:nth-child(2){display:flex;flex-direction:column}.inbox-head small{color:var(--muted);font-size:10px}.post-tag{margin-left:auto;border-radius:20px;padding:5px 9px;background:#eaf1fa;color:#497cb8;font-size:10px}.post-tag.proof{background:var(--green-pale);color:var(--green-dark)}.inbox-card>p{font-size:13px;line-height:1.7}.inbox-image{width:180px;height:120px;object-fit:cover;border-radius:10px}.reply-box{display:flex;gap:8px;margin-top:13px}.reply-box input{flex:1;border:1px solid var(--line);border-radius:9px;padding:10px}.reply-box button{border:0;background:var(--ink);color:white;border-radius:9px;padding:0 15px}.coach-reply{background:#f3f6f3;border-radius:10px;padding:11px;font-size:11px;color:#536057}.classroom-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.material-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.material-cover{height:130px;display:grid;place-items:center;background:linear-gradient(135deg,#dceee0,#f3f8f2);color:var(--green-dark);font-size:30px}.material-cover.video{background:linear-gradient(135deg,#e4eef9,#f4f7fb);color:#4e7fb8}.material-body{padding:17px}.material-body small{color:var(--green-dark);font-weight:800;font-size:9px}.material-body h3{font-size:14px;margin:5px 0}.material-body p{color:var(--muted);font-size:11px;min-height:32px}.material-actions{display:flex;gap:7px}.material-actions a,.material-actions button{flex:1;text-align:center;text-decoration:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px;font-size:10px;color:var(--ink)}.material-actions a{background:var(--green);color:#fff;border-color:var(--green)}.settings-form{max-width:650px;display:grid;gap:16px}.settings-form button{justify-self:start}label{display:grid;gap:7px;font-size:12px;font-weight:700}input,textarea,select{border:1px solid #dce3dd;border-radius:10px;padding:11px 12px;background:#fff;color:var(--ink);outline:none}input:focus,textarea:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 3px #e7f3e9}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.modal-wrap{position:fixed;inset:0;background:rgba(22,32,25,.45);display:grid;place-items:center;padding:20px;z-index:50}.modal{background:#fff;border-radius:20px;padding:28px;width:min(540px,100%);max-height:90vh;overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.18);position:relative}.modal h2{margin:0 0 22px}.modal-close{position:absolute;right:18px;top:15px;border:0;background:none;font-size:25px;color:var(--muted)}.modal form{display:grid;gap:14px}.modal-actions{display:grid;grid-template-columns:auto 1fr auto auto;gap:8px;margin-top:8px}.upload{border:1px dashed #cbd8cd;border-radius:12px;padding:14px}.upload input{border:0;padding:0}.upload span{font-weight:400;color:var(--muted)}.upload img{width:100%;max-height:220px;object-fit:contain;border-radius:10px;margin-top:10px}.toast{position:fixed;right:25px;bottom:25px;background:#1f3125;color:white;border-radius:13px;padding:13px 18px;z-index:80;box-shadow:var(--shadow);display:flex;flex-direction:column}.toast b{font-size:13px}.toast span{font-size:10px;color:#cbd8ce}.empty{padding:35px;text-align:center;color:var(--muted);font-size:12px}
@media(max-width:1050px){.student-grid,.classroom-grid{grid-template-columns:repeat(2,1fr)}.summary-grid{grid-template-columns:1fr}.student-layout{grid-template-columns:1fr}.quick-actions{grid-template-columns:repeat(3,1fr)}.schedule-board{grid-template-columns:repeat(7,160px)}}@media(max-width:760px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:none}.sidebar.open:after{content:"";position:fixed;inset:0 0 0 238px;background:rgba(0,0,0,.25)}main{margin-left:0}.topbar{height:72px;padding:0 16px}.mobile-menu{display:block}.content{padding:22px 16px 45px}.top-title h1{font-size:15px}.student-picker>button small,.student-picker>button b{display:none}.student-picker>button{column-gap:0}.hero{padding:28px 24px}.hero h2,.student-greeting h2{font-size:24px}.hero-art{display:none}.student-greeting{padding:26px 22px}.big-progress{width:95px;height:95px}.student-grid,.classroom-grid{grid-template-columns:1fr}.quick-actions{grid-template-columns:1fr}.progress-row{grid-template-columns:1fr 70px}.progress-row .bar,.progress-row>strong{display:none}.toolbar input{width:100%}.toolbar span{display:none}.section-head{gap:15px}.section-head h2{font-size:23px}.section-head .primary{white-space:nowrap}.form-row{grid-template-columns:1fr}}

.head-actions{display:flex;gap:8px}.book-notice{display:flex;flex-direction:column;background:var(--green-pale);border:1px solid #d7eadb;border-radius:15px;padding:16px 19px;margin-bottom:15px}.book-notice b{font-size:13px}.book-notice span{font-size:11px;color:var(--muted);margin-top:3px}.subject-tabs{display:flex;gap:7px;overflow:auto;margin-bottom:14px}.subject-tabs button{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:20px;padding:8px 14px;font-size:11px;font-weight:700}.subject-tabs button.active{background:var(--green);border-color:var(--green);color:#fff}.textbook-panel{display:grid;grid-template-columns:280px 1fr;gap:25px}.book-summary{display:flex;gap:13px}.book-icon{width:52px;height:64px;border-radius:9px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:24px;box-shadow:5px 5px 0 #dcecdf}.book-summary small{color:var(--muted);font-size:10px}.book-summary h3{font-size:17px;margin:3px 0}.book-summary p{font-size:11px;color:var(--muted);line-height:1.6}.chapter-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}.chapter-item{border:1px solid var(--line);border-radius:10px;padding:11px 13px;display:flex;gap:10px}.chapter-item b{color:var(--green-dark);font:700 10px "DM Sans"}.chapter-item span{font-size:11px}.modal-intro{color:var(--muted);font-size:12px;margin:-13px 0 20px}.generator-modal{width:min(680px,100%)}label small{font-weight:400;color:var(--muted)}.weekday-picker{display:flex;gap:6px}.weekday-picker button{width:38px;height:36px;border:1px solid var(--line);background:#fff;border-radius:9px;font-size:11px}.weekday-picker button.active{background:var(--green);border-color:var(--green);color:#fff}.match-preview{background:#f5f7f5;border:1px solid var(--line);border-radius:12px;padding:12px;max-height:220px;overflow:auto}.match-preview h4{margin:0 0 8px;font-size:12px}.match-row{display:grid;grid-template-columns:1fr 28px 1fr;gap:8px;align-items:center;padding:7px 0;border-top:1px solid #e5e9e5;font-size:10px}.match-row:first-of-type{border-top:0}.match-row i{font-style:normal;color:var(--green-dark);text-align:center}.generator-actions{grid-template-columns:1fr auto auto}
@media(max-width:760px){.head-actions{flex-direction:column}.textbook-panel{grid-template-columns:1fr}.chapter-list{grid-template-columns:1fr}.generator-actions{grid-template-columns:1fr 1fr}.generator-actions span{display:none}}
.fixed-role .role-switch{display:none}.fixed-role .user-card{margin-top:0}.fixed-role.student-mode .user-card{border-top:0}
.locked .app{display:none}.access-gate{position:fixed;inset:0;background:linear-gradient(135deg,#f4faf5,#eef7f0);display:grid;place-items:center;padding:24px;z-index:200}.access-card{width:min(390px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:var(--shadow);display:grid;gap:13px;text-align:center}.access-card img{width:78px;height:78px;border-radius:24px;margin:auto}.access-card h1{margin:0;font-size:25px}.access-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.access-card small{color:var(--muted);font-size:11px}.access-card input{text-align:center;font-size:20px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.student-card-actions button:nth-child(3){grid-column:1/3}
.student-activity-panel{margin-top:16px}.student-activity-list{display:grid;gap:10px}.student-activity{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff}.student-activity>div{display:flex;justify-content:space-between;gap:10px}.student-activity b{font-size:12px;color:var(--green-dark)}.student-activity.question b{color:#b96d32}.student-activity small{font-size:10px;color:var(--muted)}.student-activity p{font-size:12px;line-height:1.6;margin:8px 0;color:var(--ink)}.student-activity img{width:160px;max-height:120px;object-fit:cover;border-radius:10px}.student-activity footer{font-size:11px;background:#f3f6f3;border-radius:9px;padding:9px;color:#536057;margin-top:8px}
.plan-summary{display:grid;gap:3px;background:#fff;border:1px solid #dfe8df;border-radius:10px;padding:10px 12px;margin:6px 0 10px}.plan-summary b{font-size:13px;color:var(--green-dark)}.plan-summary span{font-size:11px;color:var(--muted);line-height:1.5}