:root{--ink:#2d2526;--muted:#776e70;--brand:#bf0008;--line:#e8dfe0;--paper:#fff;--wash:#faf8f8;--amber:#936024}*{box-sizing:border-box}body{margin:0;background:var(--wash);color:var(--ink);font-family:"Segoe UI","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.6}.demo{padding:9px 20px;background:#f3eded;text-align:center;font-size:12px;color:#75676a}main{max-width:900px;margin:auto;padding:48px 36px 24px}.school{font-size:13px;font-weight:600;letter-spacing:.06em}.school span{color:var(--muted);font-weight:400}h1{font-size:40px;line-height:1.2;letter-spacing:-.04em;margin:18px 0 12px;font-weight:650}.dot{color:var(--brand)}.intro{color:var(--muted);margin:0 0 32px}.toolbar{display:flex;align-items:center;gap:16px;padding:18px 20px;background:var(--paper);border:1px solid var(--line);border-radius:10px}.toolbar label{font-size:13px;color:var(--muted)}select{border:0;background:var(--paper);font:inherit;color:var(--ink);font-weight:600;padding:6px 30px 6px 8px;max-width:100%}.scope{margin-left:auto;font-size:12px;color:var(--muted)}button{font:inherit;cursor:pointer}button:focus-visible,select:focus-visible{outline:3px solid #d7767c;outline-offset:4px}.tabs{display:flex;gap:28px;border-bottom:1px solid var(--line);margin-top:28px}.tabs button{background:none;border:0;border-bottom:3px solid transparent;padding:15px 0;color:var(--muted)}.tabs button.active{border-bottom-color:var(--brand);color:var(--brand);font-weight:600}.tabs span{font-size:11px;background:#f1e7e8;padding:2px 6px;border-radius:4px;margin-left:4px}.list-head{display:flex;justify-content:space-between;align-items:center;margin:28px 0 22px}.list-head h2{font-size:19px;margin:0;font-weight:600}.list-head p{font-size:13px;margin:4px 0 0;color:var(--muted)}#resultCount{font-size:13px;color:var(--muted)}.notice{display:flex;gap:24px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:22px;margin-bottom:12px}.date{flex:0 0 54px;text-align:center;border-right:1px solid var(--line);padding-right:20px;min-width:76px}.day{display:block;font:600 30px/1.2 "Segoe UI",sans-serif}.weekday{font-size:12px;color:var(--muted)}.notice-main{flex:1;min-width:0}.meta{display:flex;align-items:center;gap:8px;font-size:11px;margin-bottom:7px}.tag{color:var(--brand);background:#fbecee;padding:2px 7px;border-radius:4px}.tag.exam{color:#8b303b;background:#f5e9ec}.tag.coach{color:#755d4c;background:#f5efe9}.status{margin-left:auto;color:var(--amber)}.status.done{color:var(--muted)}.notice h3{font-size:17px;margin:0 0 8px;font-weight:600}.schedule{margin:3px 0;font-size:14px}.old{font-size:12px;color:var(--muted)}.notice-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px}.publisher{font-size:12px;color:var(--muted)}.open-detail{padding:5px 0;color:var(--brand);background:none;border:0;font-size:13px;font-weight:600;white-space:nowrap}.open-detail:hover{text-decoration:underline}.empty{text-align:center;padding:52px 20px;background:white;border:1px solid var(--line);border-radius:10px}.empty p{color:var(--muted);font-size:14px}footer{color:var(--muted);font-size:12px;text-align:center;margin:32px 0 12px}dialog{border:1px solid var(--line);border-radius:14px;padding:26px;width:min(540px,calc(100% - 28px));max-height:90dvh;color:var(--ink);box-shadow:0 20px 80px #3c141826}dialog::backdrop{background:#30171b59}.dialog-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);margin-bottom:22px}.dialog-top button{border:0;background:var(--wash);border-radius:50%;width:34px;height:34px;color:var(--ink)}dialog h2{font-size:24px;margin:12px 0 20px;line-height:1.4}.detail-block{background:var(--wash);padding:16px 18px;border-radius:8px;margin:12px 0}.detail-block small{display:block;color:var(--muted);margin-bottom:5px}.detail-block p{margin:0}.detail-block.current{border-left:3px solid var(--brand)}.detail-note{font-size:14px;margin:20px 0}.detail-source{font-size:12px;color:var(--muted)}.dialog-actions{margin-top:24px;border-top:1px solid var(--line);padding-top:16px}.dialog-actions p{font-size:12px;color:var(--muted)}#confirmButton{border:0;border-radius:7px;background:var(--brand);color:white;padding:12px;width:100%;font-weight:600}#confirmButton:disabled{background:#f1e7e8;color:#806e72;cursor:default}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;border-radius:8px;padding:12px 20px;font-size:13px;max-width:90%;display:none}#toast.visible{display:block}@media(max-width:600px){main{padding:28px 18px 18px}h1{font-size:34px}.toolbar{gap:10px;padding:12px}.scope{display:none}.tabs{gap:24px}.notice{gap:14px;padding:17px 14px}.date{min-width:54px;flex-basis:54px;padding-right:12px}.day{font-size:26px}.notice h3{font-size:16px}.notice-bottom{align-items:flex-end}.publisher{font-size:11px}.schedule{font-size:13px}.old{font-size:11px}.list-head{margin-top:23px}dialog{padding:20px}.demo{font-size:11px}.school{font-size:12px}}

[hidden]{display:none!important}.login-panel{max-width:480px;margin:32px auto;background:white;border:1px solid var(--line);border-radius:12px;padding:28px}.login-panel h2{font-size:22px;margin-top:0}.login-panel p,.login-panel small{color:var(--muted);font-size:13px}.login-panel label{display:block;font-size:13px;margin-top:24px}.login-panel input{width:100%;padding:12px;border:1px solid var(--line);border-radius:6px;font:inherit;margin:8px 0 16px}.login-panel button{width:100%;padding:12px;background:var(--brand);color:white;border:0;border-radius:6px}.login-panel button:disabled{opacity:.6}#loginError{color:#a13e32}#logoutButton{border:1px solid var(--line);background:white;border-radius:6px;padding:6px 14px;margin-left:auto}#className{font-size:13px;color:var(--muted)}

/* Responsive notification layout: desktop grid, mobile single column. */
main{max-width:1120px}
.category-filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.category-filters button{min-height:44px;padding:9px 18px;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--muted);font-size:14px}
.category-filters button.active{background:var(--brand);border-color:var(--brand);color:white}
.category-filters button:hover{border-color:var(--brand)}
#noticeList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.notice{margin:0;gap:18px;padding:22px 18px}.notice-main{display:flex;flex-direction:column}.notice-bottom{margin-top:auto;padding-top:14px}
.empty{grid-column:1/-1}.status{white-space:nowrap}.tag{white-space:nowrap}.notice h3,.old,.detail-note,.detail-source{overflow-wrap:anywhere}
#className{font-size:17px;color:var(--ink)}
#logoutButton,.open-detail,.dialog-top button{min-height:44px}.dialog-top button{min-width:44px}
input:focus-visible{outline:3px solid #d7767c;outline-offset:3px}.login-panel input{font-size:16px}
dialog{overflow-y:auto;overscroll-behavior:contain;width:min(580px,calc(100% - 32px));max-height:calc(100dvh - 48px)}
.dialog-top{position:sticky;top:-26px;background:white;padding:8px 0;z-index:1}
@media(max-width:760px){
 main{padding:28px 18px 24px}#noticeList{grid-template-columns:minmax(0,1fr);gap:12px}
 .category-filters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:18px}
 .category-filters button{padding:10px 2px;font-size:13px;white-space:nowrap}
 .notice{padding:18px 14px;gap:14px}.notice h3{font-size:17px}.schedule{font-size:14px}.old{font-size:12px}
 .list-head{gap:12px;margin:24px 0 16px}#resultCount{white-space:nowrap}
 .login-panel{padding:22px;margin:24px auto}.login-panel h2{font-size:21px}
 dialog{padding:20px;width:calc(100% - 24px);max-height:calc(100dvh - 32px);border-radius:12px}
 .dialog-top{top:-20px}dialog h2{font-size:22px}.detail-block{padding:14px}
}
@media(max-width:360px){main{padding-left:12px;padding-right:12px}.category-filters button{font-size:12px}.meta{gap:4px}.notice{gap:10px}.status{font-size:10px}.school{letter-spacing:0}}

/* Keep class access alongside the page title at all screen sizes. */
.title-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:18px 0 12px}
.title-row h1{margin:0;flex-shrink:0}
.class-bar{display:flex;align-items:center;gap:16px;min-width:0}
.class-bar #className{overflow-wrap:anywhere}
.class-bar #logoutButton{margin:0;white-space:nowrap}
@media(max-width:600px){
 .title-row{gap:12px}.title-row h1{font-size:32px}
 .class-bar{flex-direction:column;align-items:flex-end;gap:0}
 .class-bar #className{font-size:14px;text-align:right}
 .class-bar #logoutButton{border:0;background:none;color:var(--brand);font-size:12px;padding:4px 0;min-height:36px}
 .tabs{gap:0;justify-content:space-between}.tabs button{padding-left:4px;padding-right:4px}
}
@media(max-width:360px){.title-row h1{font-size:28px}.title-row{gap:8px}.class-bar #className{font-size:13px}}

.login-panel #returnButton{display:block;width:auto;min-height:44px;padding:8px 0;margin:-8px 0 12px;background:transparent;border:0;color:var(--brand);font-size:14px;text-align:left}

.school-brand{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:30px}
.school-logo{display:block;width:440px;max-width:calc(100% - 120px);height:auto;object-fit:contain;background:transparent;mix-blend-mode:multiply}
.campus{font-size:20px;font-weight:600;color:var(--ink);white-space:nowrap}
@media(max-width:600px){.school-brand{align-items:flex-start;gap:8px;flex-direction:column;margin-bottom:24px}.school-logo{width:100%;max-width:360px}.campus{font-size:17px;margin-top:4px}}
:where(.schedule,.detail-block p){overflow-wrap:anywhere}
@media(max-width:600px){
 .class-bar #logoutButton{min-height:44px}
 .list-head>div{min-width:0}
 .login-panel input{min-width:0}
}
.notice-text{overflow-wrap:anywhere;font:inherit;line-height:1.65;margin:10px 0 0}
.arrangement-section{margin:0 0 16px}
.arrangement-section h4{font-size:13px;font-weight:600;color:var(--muted);margin:0 0 6px}
.arrangement-section ul{list-style:none;padding:0;margin:0}
.arrangement-section li{margin:0;padding:5px 0;font-size:14px;line-height:1.7}
.arrangement-section li+li{border-top:1px solid #f3eded}
.arrangement-note{white-space:pre-wrap;font-size:13px;color:var(--muted);margin:8px 0 14px}
dialog .arrangement-section li{font-size:15px}
@media(max-width:600px){.arrangement-section li,dialog .arrangement-section li{font-size:14px}}