.title-bar{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1200px;margin:2px auto;padding:2px 20px;box-sizing:border-box;z-index:100;position:relative}.title-left{flex:1;display:flex;align-items:center;justify-content:flex-start}.calendar-link{display:flex;align-items:center;text-decoration:none;transition:transform .2s;position:relative}.calendar-link:hover{transform:scale(1.1)}.calendar-link:after{content:"";position:absolute;inset:-1px;border:2px solid #000;border-radius:10px;z-index:-1;pointer-events:none;animation:hint-border-pulse 2s cubic-bezier(.24,0,.38,1) infinite}.calendar-link.hide-hint:after{display:none}@keyframes hint-border-pulse{0%{transform:scale(.95);opacity:.8}to{transform:scale(1.5);opacity:0}}.dynamic-calendar-icon{width:45px;height:52px;background:#fff;border-radius:8px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 3px 8px #00000026;border:1px solid #ddd}.cal-date{flex:1;display:flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:900;color:#3c4043;background:#fff;padding-top:2px;line-height:1.1}.cal-day{color:#fff;font-size:.65rem;font-weight:900;padding:1px 0 3px;text-align:center;text-transform:uppercase;letter-spacing:.5px}.school-name{font-size:2.6em;font-weight:800;color:#4a90e2;margin:0;position:absolute;left:50%;transform:translate(-50%);white-space:nowrap;letter-spacing:.5px;-webkit-text-stroke:.2px rgba(255,255,255,.5);text-shadow:0 1px 0 #fff,0 1.5px 2px rgba(0,0,0,.15);paint-order:stroke fill}.nav-actions{flex:1;display:flex;justify-content:flex-end;align-items:center;gap:12px}.version-tag{position:absolute;top:8px;right:20px;font-size:.65rem;color:#888;font-weight:700;z-index:101;background:#ffffff80;padding:1px 6px;border-radius:4px}.hamburger-menu{position:relative;display:inline-block}.hamburger-btn{background:none;border:none;font-size:1.6em;cursor:pointer;padding:0 8px;margin-top:-5px;color:#333;transition:transform .2s ease;display:flex;align-items:center;justify-content:center}.hamburger-btn:active{transform:scale(.9)}.hamburger-dropdown{display:none;position:absolute;right:0;top:100%;margin-top:8px;background:#fff;border:1px solid #ddd;border-radius:12px;box-shadow:0 8px 24px #0000001f;z-index:1000;width:fit-content;min-width:140px;overflow:hidden;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.hamburger-dropdown button{width:100%;padding:12px 18px;text-align:right;background:none;border:none;font-size:.95rem;color:#333;font-weight:700;cursor:pointer;white-space:nowrap;border-bottom:1px solid #f1f3f4;transition:background .2s}.hamburger-dropdown button:hover{background-color:#f1f5f9}.menu-divider{height:1px;background-color:#e2e8f0;margin:4px 0}.hamburger-dropdown button:last-child{border-bottom:none}.nav-action-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fff;border:2px solid #f1f3f4;color:#333;cursor:pointer;padding:10px 18px;border-radius:14px;min-width:100px;transition:all .2s ease;box-shadow:0 3px 6px #0000000f;text-decoration:none}.nav-action-btn:active{transform:translateY(0)}.nav-icon{font-size:1.8rem;margin-bottom:4px}.nav-text{font-size:1.1rem;font-weight:800;color:#333;white-space:nowrap}html,body{overflow:hidden}body{display:flex;flex-direction:column;justify-content:flex-start;align-items:center;width:100%;height:100dvh;padding:0;margin:0}.class-grid{display:flex;justify-content:space-evenly;align-items:stretch;flex-wrap:nowrap;width:100%;flex:1;min-height:0;padding:2px 25px 25px;gap:clamp(20px,5vw,100px);box-sizing:border-box;overflow:hidden}.class-grid::-webkit-scrollbar{display:none}.grade-column{display:flex;flex-direction:column;justify-content:stretch;align-items:center;flex:1;height:100%;min-height:0;padding:0;gap:clamp(8px,2.25dvh,25px)}.class-box{width:100%;flex:1;min-height:0;display:flex}.class-section{width:100%;height:100%;background:#fff;border:2px solid #ddd;border-radius:12px;padding:1px 10px;box-shadow:0 2px 6px #00000014;text-align:center;transition:transform .15s ease,box-shadow .15s ease;box-sizing:border-box;display:flex;flex-direction:column;justify-content:center;min-height:0;max-height:none}.class-section:hover{transform:scale(1.02);box-shadow:0 4px 10px #0000001f}.class-section .class-title{font-size:clamp(.85rem,2.5vh,1.2rem);font-weight:800;color:#333;margin:0;margin-bottom:clamp(4px,.8dvh,10px);white-space:nowrap;line-height:1}.count-badge{font-size:.8em;font-weight:600}.title-link,.count-badge-link{text-decoration:none!important;transition:opacity .2s}.title-link:hover,.count-badge-link:hover{opacity:.7}.title-link{color:#4a90e2}.class-section[style*="color: rgb(255, 255, 255)"] .count-badge,.class-section[style*="color: rgb(255, 255, 255)"] .count-badge-link{color:#ffeb3b}.loading-dots:after{content:"";animation:loadingDots 1.5s infinite steps(1,end)}@keyframes loadingDots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}to{content:""}}.error-message{grid-column:1 / -1;text-align:center;padding:40px;font-size:1.2em;color:#666}.class-button{display:inline-block;padding:4px 10px;border-radius:8px;font-weight:700;text-decoration:none;color:inherit;white-space:nowrap}.teacher-line{display:flex;flex-direction:column;gap:clamp(2px,.6dvh,8px)}.teacher-line div{display:flex;justify-content:center;align-items:center;gap:8px;margin:0;font-size:clamp(.65rem,1.6vh,.9rem);font-weight:700;flex-wrap:nowrap;line-height:1.1}@media(max-width:900px){.class-grid{gap:12px}.grade-column{width:clamp(160px,28vw,200px)}}@media(max-width:600px){.title-bar{padding:5px 10px}.school-name{font-size:1.9em;position:static;transform:none;flex:1;text-align:center}.title-left,.nav-actions{flex:none}.nav-actions{gap:6px}.class-grid{gap:12px;padding:clamp(2px,.5dvh,5px) 8px 100px 8px}.class-box{flex:1;max-height:none}.grade-column{width:clamp(100px,30vw,180px);min-height:0}.class-section{padding:clamp(1px,.3dvh,4px) 5px;max-height:none}}@media(max-width:400px){.class-grid{padding:2px 5px 0;gap:10px}.grade-column{width:clamp(100px,33vw,150px)}.class-section{max-height:11.8dvh}.class-section .class-title{font-size:clamp(.7rem,2.1vh,1.05rem)}.teacher-line div{font-size:clamp(.55rem,1.6vh,.8rem)}}.modal{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0009;justify-content:center;align-items:center;z-index:10000}.contact-modal-content{background:#fff;padding:24px;border-radius:16px;width:90%;max-width:320px;text-align:center;box-shadow:0 10px 40px #0000004d}.floating-tooltip .highlight{color:#fc0!important;font-weight:800}.class-box.pressing{transform:scale(.96);opacity:.9}#splash-screen{position:fixed;top:0;left:0;width:100vw;height:100dvh;background-color:#fff;display:flex;align-items:center;justify-content:center;z-index:99999;transition:opacity .6s cubic-bezier(.4,0,.2,1),visibility .6s;overflow:hidden}.splash-content{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;position:relative;animation:splash-zoom 10s ease-out forwards}#splash-img{max-width:70%;max-height:50%;object-fit:contain;border-radius:20px;box-shadow:0 15px 40px #0000001a}.splash-loader{position:absolute;bottom:10%;width:32px;height:32px;border:4px solid #f1f5f9;border-top:4px solid #3399ff;border-radius:50%;animation:spin 1s linear infinite}@keyframes splash-zoom{0%{transform:scale(1)}to{transform:scale(1.1)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#splash-screen.fade-out{opacity:0;visibility:hidden}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;justify-content:center;align-items:center;z-index:10000}.contact-modal-content{background:#fff;padding:20px;border-radius:12px;width:90%;max-width:320px;text-align:center;box-shadow:0 4px 15px #0003}.contact-modal-content h3{margin-top:0;margin-bottom:20px;font-size:1.25em;color:#333}.contact-body{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.teacher-contact-row{display:flex;justify-content:space-between;align-items:center;padding:10px;background:#f0f4f8;border-radius:8px;font-weight:700;color:#333}.teacher-contact-actions{display:flex;gap:10px}.teacher-contact-actions a{text-decoration:none;font-size:1.4em;line-height:1;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:#fff;box-shadow:0 2px 4px #0000001a;transition:transform .2s}.teacher-contact-actions a:hover{transform:scale(1.1)}.modal-actions{display:flex;flex-direction:column;gap:10px}.cancel-btn{padding:12px 0;width:100%;background:#4a90e2;color:#fff;border:none;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer;margin-top:10px}.cancel-btn:hover{background:#ccc}.class-box.pressing{transform:scale(.95);opacity:.8}.floating-tooltip{display:none;width:95%;max-width:550px;margin:0 auto 15px!important;background:#000!important;color:#fff!important;padding:14px 20px;border-radius:12px;box-shadow:0 8px 32px #00000080!important;z-index:9999!important;box-sizing:border-box;animation:slideInDown .4s ease-out;border:1px solid rgba(255,255,255,.2)!important}.tooltip-content{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.tooltip-text{margin:0;font-size:.95rem;font-weight:500;line-height:1.4;flex:1;min-width:200px}.tooltip-text .highlight{color:#fc0;font-weight:800;text-decoration:underline;text-underline-offset:4px}.tip-actions{display:flex;align-items:center;gap:12px}.tip-close{background:#007aff;color:#fff;border:none;padding:8px 16px;border-radius:8px;font-weight:700;font-size:.85rem;cursor:pointer;transition:background .2s,transform .1s;white-space:nowrap}.tip-close:active{transform:scale(.96);background:#0056b3}.hide-tip-label{display:flex;align-items:center;gap:6px;font-size:.8rem;color:#a1a1a6;cursor:pointer;white-space:nowrap}.hide-tip-label input{margin:0;cursor:pointer}@keyframes slideInDown{0%{opacity:0;transform:translateY(-15px)}to{opacity:1;transform:translateY(0)}}.class-box{-webkit-user-select:none;-webkit-touch-callout:none;user-select:none}