:root{--blue:#4d8df7;--blue2:#eaf3ff;--ink:#17233b;--muted:#667085;--line:#dfe8f5;--bg:#f5f9ff;--white:#fff;--danger:#dc5c69;--shadow:0 14px 38px rgba(48,92,160,.12)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Pretendard","Noto Sans KR",system-ui,sans-serif;font-size:16px;line-height:1.5}button,input,select{font:inherit}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #b9d6ff;outline-offset:2px}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 12% 8%,#dcecff 0 13%,transparent 31%),linear-gradient(145deg,#f9fcff,#eef6ff)}.login-card{width:min(980px,100%);background:#fff;border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1.2fr;overflow:hidden}.brand-panel{padding:54px;background:linear-gradient(145deg,#276dd8,#6da8ff);color:#fff}.brand-mark{width:58px;height:58px;border-radius:18px;background:#fff;color:var(--blue);display:grid;place-items:center;font-size:30px}.brand-panel h1{font-size:2.6rem;margin:28px 0 8px}.brand-panel p{font-size:1.16rem;opacity:.9}.brand-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:45px}.brand-points span{font-size:.82rem;background:#ffffff24;padding:7px 10px;border-radius:999px}.login-main{padding:52px}.eyebrow,.mini-label{color:#3377dc;font-size:.78rem;font-weight:850;letter-spacing:.08em}.login-main h2{margin:8px 0 10px;font-size:1.7rem}.login-main>p{color:var(--muted);margin:0 0 30px}.role-grid{display:grid;gap:14px}.role-button{border:1px solid var(--line);background:#fff;border-radius:18px;padding:20px;text-align:left;display:flex;gap:16px;align-items:center;cursor:pointer;color:inherit}.role-button:hover{border-color:var(--blue);transform:translateY(-1px);box-shadow:0 10px 28px #447cc01a}.role-button>b{margin-left:auto;font-size:1.6rem;color:#8ca0bb}.role-icon{width:52px;height:52px;border-radius:16px;background:var(--blue2);display:grid;place-items:center;font-size:25px}.role-icon.teacher{background:#eef0ff}.role-copy strong{display:block;font-size:1.1rem;margin-bottom:4px}.role-copy span{color:var(--muted)}.text-button{border:0;background:none;color:var(--blue);cursor:pointer}.reset-demo{margin-top:24px}
.app-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{background:#fff;border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.logo{font-weight:850;font-size:1.25rem;padding:8px 12px 12px;color:#286dd6}.logo span{display:inline-grid;place-items:center;background:var(--blue);color:#fff;width:30px;height:30px;border-radius:10px;margin-right:5px}.mode-chip{margin:0 12px 20px;background:#f2f6fc;color:#6b7c93;border-radius:9px;padding:7px;text-align:center;font-size:.82rem}.nav{display:grid;gap:5px;overflow:auto}.nav button{border:0;background:transparent;border-radius:13px;padding:12px 14px;text-align:left;color:#506078;cursor:pointer;display:flex;gap:10px;align-items:center}.nav button.active{background:var(--blue2);color:#276bd1;font-weight:750}.sidebar-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:14px}.user-mini{display:flex;gap:10px;align-items:center;padding:8px}.user-mini>span{width:36px;height:36px;background:#edf4ff;border-radius:12px;display:grid;place-items:center}.user-mini strong,.user-mini small{display:block}.user-mini small{font-size:.76rem;color:var(--muted)}.sidebar-foot>button{width:100%;border:0;background:#f1f5fa;border-radius:12px;padding:10px;cursor:pointer;margin-top:6px}.main{padding:34px;max-width:1320px;width:100%;margin:auto}
.topbar,.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px}.topbar h1,.page-head h1{font-size:1.75rem;margin:4px 0}.topbar p,.page-head p{margin:0;color:var(--muted)}.avatar{width:52px;height:52px;border-radius:17px;background:#dfeeff;display:grid;place-items:center;font-weight:800;color:#2468cc}.teacher-avatar{background:#e8ecff;color:#5e64c7}.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 8px 24px rgba(67,101,150,.06)}.summary-card{position:relative;overflow:hidden}.summary-card.blue{border-color:#bdd8ff}.summary-card.blue:after{content:"";position:absolute;width:70px;height:70px;background:#e4f0ff;border-radius:50%;right:-18px;top:-24px}.summary-card span{color:var(--muted);font-size:.92rem}.summary-card strong{display:block;font-size:1.35rem;margin-top:8px}.content-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:18px;margin-top:18px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px}.section-title h2{font-size:1.16rem;margin:3px 0 0}.section-title button{border:0;background:none;color:var(--blue);cursor:pointer}
.notice-card{border-top:4px solid #5594f2}.notice-list,.personal-list{display:grid;gap:10px}.notice-item{display:flex;gap:12px;align-items:center;padding:13px;background:#f8fbff;border-radius:14px}.notice-emoji{font-size:1.2rem}.notice-item strong{display:block;font-size:.87rem;margin-bottom:2px;color:#4d6381}.notice-item .delete{margin-left:auto;border:0;background:#ffecef;color:#b44251;width:30px;height:30px;border-radius:10px;cursor:pointer}.personal-item{display:flex;gap:10px;padding:13px 0;border-bottom:1px solid var(--line)}.personal-item:last-child{border:0}.job-card{margin-top:18px;background:linear-gradient(135deg,#286fdc,#5e9eff);color:#fff;cursor:pointer}.job-card .mini-label,.job-card .section-title span{color:#fff}.job-card p{opacity:.92}.job-card h3{font-size:1.35rem;margin:8px 0}.job-stats{display:flex;gap:20px;margin-top:16px}.job-stats strong{display:block;font-size:1.25rem}
.type-pill,.status-badge,.perm-chip,.ok-chip{display:inline-block;border-radius:999px;padding:5px 9px;font-size:.78rem;font-weight:800}.type-pill{background:#ffffff25}.type-pill.dark{background:#e9f2ff;color:#286fd5}.perm-chip{background:#edf3ff;color:#3b67a8;margin:2px}.status-badge.COMPLETED,.ok-chip{background:#e8f8ef;color:#248054}.status-badge.REVIEW{background:#fff3dc;color:#a86710}.status-badge.NOT_COMPLETED{background:#ffeaed;color:#b53e50}.status-badge.OFF{background:#eff1f4;color:#697586}.primary,.secondary{border:0;border-radius:12px;padding:11px 16px;cursor:pointer;font-weight:750}.primary{background:var(--blue);color:#fff}.secondary{background:var(--blue2);color:#276bd1}.back{border:0;background:transparent;color:var(--blue);padding:0;cursor:pointer}.role-hero{display:flex;align-items:center;gap:22px;background:linear-gradient(135deg,#fafdff,#edf5ff)}.role-hero .type-pill{background:#dfeeff;color:#2267ca}.role-symbol,.big-symbol{width:76px;height:76px;border-radius:24px;background:#fff;display:grid;place-items:center;font-size:2rem;box-shadow:0 10px 28px #447cc018}.section-space{margin-top:18px}.activity-row{display:flex;justify-content:space-between;padding:15px;background:#f7faff;border-radius:12px}.offline-note,.info-callout,.data-principle{background:#eef6ff;border:1px solid #d5e8ff;border-radius:15px;padding:16px;color:#46617f}.info-callout,.data-principle{margin-top:16px}.data-principle{display:flex;gap:14px}.placeholder-work{text-align:center;padding:55px}.placeholder-work .big-symbol{margin:0 auto 20px}.placeholder-work span{display:block;color:var(--muted);margin-top:12px}.header-badge{background:#eaf3ff;color:#286fd5;padding:10px 14px;border-radius:12px;font-weight:750}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:720px}th,td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:.83rem;color:#66778d;background:#f9fbfe}td small{display:block;color:var(--muted);font-size:.78rem;margin-top:3px}.inactive{opacity:.55}.status-select{border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}.status-select.REVIEW{border-color:#efb959;background:#fffaf0}.status-select.NOT_COMPLETED{border-color:#e78794;background:#fff5f6}.actions{display:flex;gap:6px;flex-wrap:wrap}.actions button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 9px;cursor:pointer;font-size:.8rem}.teacher-summary{margin-bottom:18px}.task-card{display:flex;align-items:center;gap:16px;padding:20px;border-radius:20px;border:1px solid}.task-card.alert{background:#fff8ed;border-color:#ffd79d}.task-card.clear{background:#eef9f3;border-color:#bfe6cf}.task-icon{width:48px;height:48px;border-radius:15px;background:#fff;display:grid;place-items:center;font-size:1.3rem;font-weight:900}.task-card span,.task-card strong{display:block}.task-card span{font-size:.84rem;color:var(--muted)}.task-card strong{font-size:1.15rem}.task-card button{margin-left:auto;border:0;background:#17233b;color:#fff;border-radius:11px;padding:10px 14px;cursor:pointer}.teacher-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.class-stats{grid-column:1/-1}.class-stats>div{display:flex;gap:14px}.class-stats span{flex:1;background:#f7faff;padding:15px;border-radius:13px}.class-stats strong{display:block;font-size:1.4rem;margin-top:5px}.progress{height:10px;background:#edf2f8;border-radius:99px;overflow:hidden;margin:20px 0}.progress i{display:block;height:100%;background:linear-gradient(90deg,#3f86ef,#71afff);border-radius:99px}.quick-panel p{color:var(--muted)}
.modal-backdrop{position:fixed;inset:0;background:#13233f8c;z-index:20;display:grid;place-items:center;padding:20px}.modal{background:#fff;border-radius:22px;padding:24px;width:min(560px,100%);max-height:88vh;overflow:auto;box-shadow:var(--shadow)}.modal-head{display:flex;justify-content:space-between;align-items:center}.modal-head h2{margin:0;font-size:1.3rem}.modal-head button{border:0;background:#f1f5fa;width:34px;height:34px;border-radius:10px;font-size:1.4rem;cursor:pointer}.modal-desc,.form-note,.muted{color:var(--muted)}.student-picker{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.student-picker button{border:1px solid var(--line);background:#fff;border-radius:13px;padding:14px;text-align:left;cursor:pointer}.student-picker button:hover{border-color:var(--blue);background:var(--blue2)}.student-picker span{color:var(--muted);margin-right:8px}.form-stack{display:grid;gap:16px;margin-top:18px}.form-stack label,.quick-form label{display:grid;gap:7px;font-weight:700}.form-stack input,.form-stack select,.quick-form input{width:100%;border:1px solid #cfdbea;border-radius:11px;padding:11px 12px;background:#fff}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}fieldset{border:1px solid var(--line);border-radius:13px;padding:12px}legend{padding:0 6px;font-weight:700}.check-label{display:inline-flex!important;align-items:center;gap:7px!important;margin:7px 12px 7px 0}.check-label input{width:auto}.history-list,.exception-list{display:grid;gap:12px}.history-date,.exception-list>div{border:1px solid var(--line);padding:14px;border-radius:14px}.history-date p,.exception-list p{margin:7px 0;color:#52647c}.empty{color:var(--muted);text-align:center;padding:24px}.notice-editor-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:18px}.category-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.category-actions button{border:1px solid var(--line);background:#f8fbff;border-radius:11px;padding:12px 7px;cursor:pointer}.quick-form{display:grid;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}.toast{position:fixed;left:50%;bottom:24px;z-index:30;transform:translate(-50%,20px);background:#17233b;color:#fff;padding:12px 18px;border-radius:12px;opacity:0;pointer-events:none;transition:.22s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:900px){.login-card{grid-template-columns:1fr}.brand-panel{padding:30px}.brand-points{margin-top:22px}.login-main{padding:30px}.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;height:auto;z-index:5;flex-direction:row;align-items:center;overflow:auto;padding:9px}.logo{white-space:nowrap;padding:4px 10px}.mode-chip,.sidebar-foot{display:none}.nav{display:flex;overflow:visible}.nav button{white-space:nowrap}.main{padding:22px}.summary-grid{grid-template-columns:repeat(2,1fr)}.content-grid,.notice-editor-grid{grid-template-columns:1fr}.teacher-grid{grid-template-columns:1fr}.class-stats{grid-column:auto}}
@media(max-width:560px){.summary-grid,.form-grid{grid-template-columns:1fr}.brand-panel h1{font-size:2rem}.main{padding:16px}.topbar,.page-head{align-items:flex-start}.role-hero{align-items:flex-start;flex-wrap:wrap}.category-actions{grid-template-columns:1fr}.student-picker{grid-template-columns:1fr}.teacher-grid{display:block}.teacher-grid>*{margin-bottom:14px}.task-card{align-items:flex-start;flex-wrap:wrap}.task-card button{margin-left:64px}.data-principle{flex-direction:column}.login-main{padding:24px}}

.button-row .danger{background:#fff0f1;border-color:#f0a9b1;color:#ae2838}.teacher-auth-form+.teacher-reset{display:block;margin:18px 0}.teacher-auth-form~.secondary{margin-top:12px}.auth-warning{background:#fff6e7;border:1px solid #f1d196;border-radius:14px;padding:14px;margin:16px 0}.auth-warning p{margin:6px 0 0}.login-main>.secondary{margin-top:12px}