@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');
:root{--ink:#253d38;--green:#16826d;--green-dark:#12624f;--muted:#81908b;--line:#e7ece8;--bg:#f8faf7;--mint:#e6f4eb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px 'Noto Sans KR',-apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:-.4px}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{border:0;background:none;color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #59bda4;outline-offset:4px}button:disabled{opacity:.6;cursor:wait}[hidden]{display:none!important}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;padding:36px 24px 20px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:10}.brand{font-size:32px;font-weight:900;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:9px;letter-spacing:-2px}.brand-icon{background:var(--green);color:white;width:36px;height:36px;border-radius:12px;font-size:29px;text-align:center;line-height:36px;font-weight:500}.brand-dot{color:var(--green);margin-left:-8px}.brand-sub{color:var(--muted);font-size:11px;margin:8px 0 35px 2px}.class-chip{padding:14px 10px;background:#f4f7f4;border:1px solid #e9eee8;border-radius:12px;display:flex;gap:10px;align-items:center}.class-avatar{background:#e0eae1;width:35px;height:35px;border-radius:10px;display:grid;place-items:center;font-size:16px;font-weight:800}.class-chip b{font-size:13px}.class-chip small,.profile small{display:block;font-size:10px;color:var(--muted);margin-top:3px}.class-chip .icon-btn{margin-left:auto}.nav-label{font-size:10px;font-weight:700;letter-spacing:1px;color:#a0aaa5;margin:32px 12px 12px}.nav-item{width:100%;display:flex;align-items:center;gap:11px;padding:14px 12px;margin:3px 0;border-radius:9px;font-size:12px;font-weight:600;text-align:left;color:#7b8983;white-space:nowrap}.nav-item>span{font-size:19px;width:21px}.nav-item.active{background:#eaf4ed;color:var(--green-dark)}.nav-item i{font-style:normal;background:#d9eade;border-radius:5px;padding:2px 6px;margin-left:auto;font-size:10px}.sidebar-note{margin-top:auto;padding:24px 16px;color:#537568}.sidebar-note>span{display:block;font-size:32px;margin-bottom:8px;color:#84ac8c}.sidebar-note b{font-size:15px;line-height:1.8}.sidebar-note p{font-size:10px;color:#8f9d92}.profile{display:flex;gap:9px;align-items:center;border-top:1px solid var(--line);padding-top:20px}.profile-avatar{width:33px;height:33px;background:#f6e8d5;color:#977444;display:grid;place-items:center;border-radius:50%;font-size:12px;font-weight:700}.profile b{font-size:11px}.profile button{margin-left:auto}main{margin-left:250px}.topbar{height:76px;border-bottom:1px solid var(--line);padding:0 45px;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#97a09a;background:#ffffff85}.topbar b{font-weight:500;color:#5a6b62}.crumb{margin:0 12px;color:#c5cdc6}.topbar>div{display:flex;gap:20px;align-items:center}.demo-pill{color:#9c7842;border:1px solid #e7ddca;background:#fff9e9;padding:4px 9px;border-radius:6px;font-size:10px}.page{max-width:1290px;margin:0 auto;padding:39px 45px 0}.page-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;gap:15px}.eyebrow{font-size:9px;letter-spacing:2px;color:#7d9f8e;font-weight:700}h1{font-size:29px;font-weight:800;letter-spacing:-1.4px;margin:9px 0}.green-dot{color:var(--green);margin-left:2px}.page-heading p{font-size:12px;color:var(--muted);margin:8px 0}.primary{padding:12px 20px;color:white;background:var(--green);border-radius:8px;font-weight:600;font-size:12px;box-shadow:0 3px 6px #16826d13;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.15s}.primary:hover{background:var(--green-dark);transform:translateY(-1px)}.primary span{font-size:19px}.secondary{border:1px solid #dce6dd;border-radius:8px;padding:12px 17px;font-size:12px;font-weight:600;background:white}.secondary:hover{background:#f1f7f2}.icon-btn{font-size:20px;min-width:30px;min-height:32px;border-radius:6px}.icon-btn:hover{background:#e9f0e9}.text-btn{font-size:12px;padding:10px;color:#5d7a6c}.demo-banner{display:flex;gap:10px;align-items:center;background:#fffaf0;border:1px solid #eee5d2;padding:10px 14px;border-radius:9px;margin-bottom:22px;font-size:10px;color:#8c7956}.demo-banner>span{font-size:20px}.demo-banner p{margin:0;line-height:1.8;flex:1}.demo-banner b{font-weight:600}.demo-banner button{white-space:nowrap;font-size:10px;color:#8e7347}.hero{height:268px;border-radius:17px;background:#e7f1e7;position:relative;overflow:hidden;display:flex;align-items:center;padding:28px 34px}.hero-copy{z-index:1;position:relative}.hero-tag{font-size:8px;letter-spacing:2px;font-weight:700;color:#668775}.hero h2{font-size:26px;line-height:1.6;margin:12px 0 10px;font-weight:700;letter-spacing:-1px;color:#2b5444}.hero-copy>p{font-size:11px;color:#7a917f}.hero-link{padding:0;margin-top:13px;font-size:11px;font-weight:700;color:#527864}.hero-link span{margin-left:20px}.hero-art{position:absolute;width:350px;height:270px;right:15px;bottom:0}.orb{border-radius:50%;position:absolute}.orb1{height:245px;width:245px;background:#dce9d9;bottom:-70px;right:-15px}.orb2{width:160px;height:160px;background:#d3e5ce99;top:13px;left:15px}.paper{position:absolute;width:157px;height:198px;background:#fffef7;top:35px;left:87px;border-radius:10px;transform:rotate(10deg);box-shadow:10px 14px 0 #b7c9b24d;padding:18px}.paper-top{display:flex;align-items:center;justify-content:space-between;font-size:9px;font-weight:800;letter-spacing:2px;color:#7b9677;border-bottom:1px solid #e0e9d8;padding-bottom:9px}.paper-top span:last-child{font-size:21px}.paper-line{display:flex;gap:9px;align-items:center;margin-top:15px}.paper-line i{width:14px;height:14px;border:1px solid #d5dec9;border-radius:4px}.paper-line i.check{background:#dae8cc;color:#5d8b53;border:0;font-size:11px;text-align:center;font-style:normal}.paper-line em{width:70px;height:4px;border-radius:3px;background:#e3e8da}.paper-stamp{position:absolute;right:-25px;bottom:14px;transform:rotate(-22deg);background:#f5dc8a;color:#7e753e;border-radius:50%;width:80px;height:80px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 3px 9px #7f8b4c20;font-size:10px;line-height:1.9}.paper-stamp b{font-size:12px}.spark{position:absolute;color:#83a77b}.spark1{font-size:35px;top:33px;right:45px;transform:rotate(16deg)}.spark2{font-size:25px;bottom:38px;left:45px}.pencil{position:absolute;width:11px;height:131px;left:54px;bottom:5px;transform:rotate(30deg);background:linear-gradient(90deg,#d29f4e 33%,#e9bb6d 33%,#e9bb6d 70%,#f5d896 70%);border-radius:4px}.pencil:after{content:'';position:absolute;bottom:-20px;border:5.5px solid transparent;border-top:20px solid #b69c73}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:23px 0 31px}.stats>div{display:flex;gap:15px;align-items:center;padding:20px;background:white;border:1px solid var(--line);border-radius:12px}.stat-icon{width:43px;height:43px;border-radius:13px;display:grid;place-items:center;font-size:23px}.mint{background:#edf5ed;color:#609875}.peach{background:#fff1e6;color:#d39d6e}.lavender{background:#f0edf7;color:#9c89bc}.stats p{font-size:10px;color:#8e9a90;margin:0}.stats b{display:block;margin-top:5px;font-size:25px;line-height:1.2;letter-spacing:-1px;color:#334c3c}.stats b span{font-size:11px;color:#8b998f;margin-left:5px;font-weight:500}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.section-title h2{font-size:17px;font-weight:700;margin:0}.section-title h2>span{font-size:13px;color:#7c9c82;font-weight:500;margin-left:7px}.view-toggle button{font-size:10px;color:#7c8a80}.filter-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:19px}.filters{display:flex;gap:5px;overflow:auto}.filters button{padding:7px 13px;font-size:11px;border-radius:7px;color:#7b8b7e;white-space:nowrap}.filters button.selected{background:#e6efe5;color:#426b50;font-weight:700}.search{margin:0!important;display:flex!important;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:7px;padding:6px 10px!important;max-width:190px}.search span{font-size:18px;color:#a1aaa1}.search input{border:0;padding:2px;min-width:0;width:100%;font-size:10px;outline:none;background:none}.search input::placeholder{color:#abb3aa}.notice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.notice-card{background:white;border:1px solid #e3e9e1;border-radius:13px;padding:21px;transition:.18s;cursor:pointer;position:relative}.notice-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px #334f3710;border-color:#b3c9b6}.notice-card:focus-visible{outline:2px solid var(--green);outline-offset:3px}.card-top{display:flex;align-items:center;justify-content:space-between}.subject-tag{font-size:10px;font-weight:600;padding:4px 9px;border-radius:5px;display:inline-block;background:#eaf1e7;color:#6f8c5b}.subject-tag.math{background:#f0ebf8;color:#9a83b5}.subject-tag.english{background:#fcf0e3;color:#bf996e}.subject-tag.science{background:#e5f0f8;color:#749bb7}.subject-tag.social{background:#f9eaf0;color:#b57c94}.subject-tag.other{background:#eceded;color:#83908c}.due-badge{font-size:10px;padding:4px 8px;border-radius:5px;color:#85937f;background:#f2f5ef}.due-badge.urgent{background:#fff0e7;color:#cb865e}.due-badge.overdue{color:#bb6969;background:#fff0ef}.notice-card h3{font-size:15px;margin:16px 0 10px;font-weight:700;letter-spacing:-.5px;padding-right:8px;line-height:1.6}.notice-card .snippet{font-size:11px;color:#93a08f;line-height:1.9;margin:0 0 20px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px;white-space:pre-line}.card-bottom{border-top:1px solid #eff2ec;padding-top:13px;display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#8d9c89;gap:8px}.card-bottom>span{line-height:1.8}.done-button{border:1px solid #e2e8df;border-radius:6px;padding:6px 8px;font-size:10px;white-space:nowrap;color:#8a9a85}.done-button:hover{background:#edf5ed}.notice-card.completed{opacity:.75}.notice-card.completed h3{text-decoration:line-through;text-decoration-color:#b5c7b2}.done-button.checked{color:#4d8962;background:#ecf5ec;border-color:#d4e8d2}.empty{text-align:center;background:white;border:1px dashed #cfddcc;border-radius:14px;padding:50px 20px;color:#7b937c}.empty>span{font-size:40px}.empty h3{font-size:16px}.empty p{font-size:12px}.calendar{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:white;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));margin:20px 0}.day-label{text-align:center;padding:12px;font-size:12px;color:#94a08f;background:#f1f6ee}.calendar-day{min-height:95px;text-align:left;vertical-align:top;display:flex;flex-direction:column;padding:10px;border-right:1px solid #eef1eb;border-bottom:1px solid #eef1eb;gap:5px;font-size:12px;overflow:hidden}.calendar-day:hover{background:#f1f7ee}.calendar-day.blank{background:#fafcf8}.calendar-day.today>span:first-child{background:var(--green);color:white;border-radius:50%;width:24px;height:24px;display:grid;place-items:center}.calendar-event{font-size:9px;max-width:100%;background:#edf4e8;padding:3px 4px;color:#6b8a60;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.calendar-day.selected{background:#e9f3e5;box-shadow:inset 0 0 0 2px #8cb58e}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.setting-card{background:white;border:1px solid var(--line);border-radius:14px;padding:25px}.setting-card h2{font-size:18px}.setting-card>p,.instruction p{font-size:12px;color:#879582;line-height:1.9}.setting-emoji{font-size:28px;color:var(--green)}.status-row{display:flex;justify-content:space-between;padding:14px 0;margin-bottom:12px;font-size:12px;border-block:1px solid var(--line)}.setting-card button{margin:4px 3px 4px 0}.instruction{border-left:2px solid #dbe8d4;padding:0 0 0 14px;margin:20px 0}.instruction b{font-size:12px}.hint{font-size:11px!important;color:#8d9b87;line-height:1.9}.muted{font-size:12px;color:#8d9b87;line-height:1.9}footer{border-top:1px solid var(--line);margin-top:38px;padding:23px 0 28px;display:flex;gap:13px;align-items:center;color:#a0ad9a;font-size:10px}.footer-logo{font-size:15px;font-weight:800;color:#799576}footer small{margin-left:auto;font-size:9px}.mobile-nav{display:none}dialog{border:1px solid var(--line);border-radius:18px;padding:28px;width:530px;max-width:calc(100vw - 30px);max-height:90dvh;overflow:auto;color:var(--ink);box-shadow:0 24px 100px #173b2c30}dialog::backdrop{background:#213b3455;backdrop-filter:blur(4px)}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.modal-head h2{margin:6px 0;font-size:21px}.modal-head .eyebrow{font-size:9px}form>label,.form-grid label{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:600;margin:17px 0}input,select,textarea{border:1px solid #dce6d7;border-radius:8px;padding:11px 12px;outline:none;background:#fcfdfb;color:var(--ink);width:100%}input:focus,select:focus,textarea:focus{border-color:#78aa88;box-shadow:0 0 0 3px #e6f1e3}textarea{resize:vertical;line-height:1.8}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:24px}.detail-body{white-space:pre-wrap;line-height:2;font-size:13px;color:#677d64;padding:15px 0 22px;overflow-wrap:anywhere}.detail-body p{white-space:normal}.detail-note{background:#f1f6ee;padding:12px;border-radius:8px;font-size:11px;color:#91a184;margin-bottom:20px}.detail-buttons{display:flex;gap:10px;flex-wrap:wrap}.admin-actions{border-top:1px solid var(--line);padding-top:12px;margin-top:22px;display:flex;justify-content:flex-end}.danger{color:#bc7575}.notice-card h3,#detailTitle{overflow-wrap:anywhere}#toast{position:fixed;bottom:30px;left:calc(50% + 125px);transform:translate(-50%,20px);padding:13px 21px;background:#244f41;color:white;border-radius:10px;font-size:12px;max-width:85vw;z-index:100;opacity:0;pointer-events:none;transition:.2s;box-shadow:0 5px 20px #183d2822;line-height:1.7}#toast.show{opacity:1;transform:translate(-50%,0)}#liveClassControls form{padding:15px 0;border-bottom:1px solid var(--line)}
@media(min-width:1500px){.page{padding-top:45px}.hero{height:290px}.hero h2{font-size:30px}.hero-art{right:55px}}@media(max-width:1150px){.sidebar{width:220px;padding-inline:17px}main{margin-left:220px}.page{padding:28px 28px 0}.topbar{padding-inline:28px}.hero-art{right:-45px;opacity:.8}.hero-copy{max-width:65%}.hero h2{font-size:23px}.stats>div{padding:16px 13px;gap:11px}.filters button{padding-inline:10px}.search{max-width:160px}#toast{left:calc(50% + 110px)}}@media(max-width:880px){.sidebar{width:190px;padding-inline:12px}.nav-item{font-size:11px;gap:7px}.nav-item i{display:none}.class-chip{gap:7px}.class-chip b{font-size:11px}main{margin-left:190px}.page{padding-inline:20px}.topbar{padding-inline:20px}.page-heading h1{font-size:25px}.hero{padding:25px}.hero-art{right:-70px;opacity:.55}.hero h2{font-size:21px}.hero-copy{max-width:80%}.stats{gap:9px}.stats>div{padding:16px 10px;gap:8px}.stat-icon{width:32px;height:32px;font-size:18px;border-radius:9px}.stats p{font-size:9px}.stats b{font-size:21px}.filter-row{align-items:stretch;flex-direction:column}.search{max-width:none}.search input{padding:5px}.settings-grid{grid-template-columns:1fr}.notice-card{padding:17px}.notice-card h3{font-size:14px}.card-bottom{flex-wrap:wrap}.demo-banner button{display:none}}@media(max-width:650px){.sidebar{display:none}main{margin:0}.topbar{height:58px;padding:0 20px;font-size:10px}.topbar>div{gap:9px}.page{padding:26px 18px 70px}.page-heading{align-items:flex-start;margin-bottom:18px}.eyebrow{font-size:8px;letter-spacing:1.5px}h1,.page-heading h1{font-size:25px;margin:9px 0}.page-heading p{font-size:10px;max-width:240px;line-height:1.8}.page-heading .primary{font-size:10px;padding:9px 11px;margin-top:20px;gap:4px;white-space:nowrap}.primary span{font-size:16px}.demo-banner{font-size:9px;padding:9px 10px;margin-bottom:16px;gap:8px}.hero{height:235px;padding:24px}.hero-copy{max-width:100%}.hero h2{font-size:22px}.hero-copy>p{font-size:10px;max-width:220px;line-height:1.8}.hero-art{right:-104px;opacity:.35;transform:scale(.87);transform-origin:bottom right}.hero-tag{font-size:7px}.hero-link{font-size:10px}.hero h2{position:relative;z-index:1}.stats{margin:17px 0 27px;gap:8px}.stats>div{display:block;padding:13px 11px}.stat-icon{width:28px;height:28px;font-size:17px;margin-bottom:11px}.stats p{font-size:9px}.stats b{font-size:23px;margin-top:7px}.stats b span{font-size:10px}.section-title h2{font-size:16px}.filter-row{gap:12px}.filters{gap:3px}.filters button{padding:7px 12px;font-size:11px}.notice-grid{grid-template-columns:1fr;gap:13px}.notice-card{padding:20px}.notice-card h3{font-size:16px;margin:14px 0 9px}.notice-card .snippet{font-size:12px;min-height:0;margin-bottom:16px}.card-bottom{font-size:11px}.done-button{font-size:10px}.mobile-nav{display:flex;position:fixed;inset:auto 0 0;background:#ffffffed;backdrop-filter:blur(10px);border-top:1px solid var(--line);justify-content:space-around;padding:9px 0 calc(8px + env(safe-area-inset-bottom));z-index:20}.mobile-nav button{color:#9ca894;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:21px;min-width:65px}.mobile-nav span{font-size:9px}.mobile-nav .active{color:var(--green);font-weight:700}footer{gap:8px;font-size:9px;flex-wrap:wrap}footer small{display:none}#toast{left:50%;bottom:90px;width:max-content;max-width:90vw;text-align:center}.calendar-day{min-height:73px;padding:6px 3px;font-size:11px}.calendar-event{font-size:8px;padding:3px}.calendar{margin-bottom:20px}.day-label{padding:10px;font-size:10px}.setting-card{padding:22px}dialog{padding:23px}.form-grid{gap:12px}.detail-buttons button{flex:1;white-space:nowrap;font-size:11px}}