:root{--bg-main:#d0e0f0;--panel-blue:#a7d0f2;--panel-blue-text:#1c4587;--panel-pink:#c08090;--tab-inactive:#ffffff80;--text-white:#fff;--text-dark:#333;--text-muted:#6b7280;--sunday-red:#ef4444;--border-gray:#fff9}*{box-sizing:border-box;margin:0;padding:0}html{background:#c3cfe2 linear-gradient(-45deg,#fbc2eb,#a6c1ee,#f5f7fa,#c3cfe2) 0 0/400% 400% fixed;min-height:100%;animation:15s infinite gradientBG}body{min-height:100vh;color:var(--text-dark);background:0 0;font-family:Gowun Dodum,Jua,sans-serif;line-height:1.6;overflow-x:hidden}body.is-open{min-width:1850px;height:100%;min-height:100%}@keyframes gradientBG{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.scene{box-sizing:border-box;perspective:2000px;flex-direction:column;justify-content:center;align-items:center;gap:30px;width:100%;min-height:100vh;padding:70px 2rem 2rem;display:flex}body.is-open .scene{perspective:none;min-width:1850px}.book-container{justify-content:center;align-items:center;width:100%;max-width:1800px;min-height:80vh;display:flex;position:relative}.book-cover{z-index:50;transform-origin:0;width:550px;max-width:90vw;height:750px;transform-style:preserve-3d;will-change:transform, opacity;background:#3b5f95;border-radius:12px 24px 24px 12px;flex-direction:column;transition:transform .75s cubic-bezier(.33,1,.68,1),opacity .55s;display:flex;position:relative;box-shadow:inset 10px 0 20px #0000004d,15px 15px 30px #0003}.book-cover.open-animation{opacity:0;pointer-events:none;transform:rotateY(-100deg)}.book-cover.closing-centered{z-index:60;margin:0;position:absolute;top:50%;left:50%}.book-cover.closing-centered.open-animation{opacity:0;transform:translate(-50%,-50%)rotateY(-100deg)}.book-cover.closing-centered:not(.open-animation){opacity:1;transform:translate(-50%,-50%)}.cover-top-stripe{background-color:#6187be;width:100%;height:25px;position:absolute;top:40px;left:0}.cover-design{z-index:2;color:#fff;flex-direction:column;align-items:center;width:100%;height:100%;padding-top:135px;display:flex;position:relative}.cover-title-box{text-align:center;border:1px solid #ffffffb3;width:88%;margin-bottom:25px;padding:15px 25px}.cover-title-top{letter-spacing:clamp(1px,.5vw,2px);white-space:nowrap;margin-bottom:5px;font-family:Times New Roman,Times,serif;font-size:clamp(1rem,4vw,1.5rem);font-weight:400}.cover-title-main{letter-spacing:clamp(1px,1vw,3px);text-shadow:none;white-space:nowrap;font-family:Times New Roman,Times,serif;font-size:clamp(1.2rem,7vw,2.8rem);font-style:italic;font-weight:400}.cover-illustration-wide{background:#fff;width:88%;padding:15px;box-shadow:0 4px 15px #0003}.cover-illustration-wide img{object-fit:cover;aspect-ratio:16/9;width:100%;height:auto;display:block}.cover-subtitle{margin-top:auto;margin-bottom:40px;font-size:1.1rem;font-weight:700}.cover-tabs{flex-direction:column;justify-content:space-evenly;gap:0;height:100%;padding:20px 0;display:flex;position:absolute;top:0;left:100%}.cover-tab{background:var(--panel-pink);color:#fff;cursor:pointer;text-align:left;border:none;border-radius:0 12px 12px 0;align-self:flex-start;width:50px;padding:8px 10px;font-family:inherit;font-weight:700;transition:width .3s;box-shadow:2px 2px 5px #0003}.cover-tab:hover{background:#d6496f;width:60px}.book-inside{opacity:0;pointer-events:none;z-index:1;justify-content:center;width:100%;height:100%;transition:opacity .45s;display:flex;position:absolute;top:0;left:0}.book-inside.is-revealing{opacity:1}.book-inside.visible{opacity:1;pointer-events:auto;height:auto;position:relative}.book-inside.is-closing{opacity:0;pointer-events:none;height:auto;position:relative}#top-banner-wrapper{display:none}#top-banner-wrapper.visible{display:block}.page-wrapper{-webkit-backdrop-filter:blur(25px);background:#fff6 linear-gradient(90deg,#0000 48%,#00000008 49%,#00000014 50%,#00000008 51%,#0000 52%);border:1px solid #ffffffb3;border-radius:20px;justify-content:center;gap:20px;width:100%;height:auto;min-height:980px;padding:30px;display:flex;position:relative;box-shadow:0 20px 60px #0000001a,inset 0 0 20px #ffffff80}.inside-tabs{z-index:10;flex-direction:column;justify-content:space-evenly;gap:0;height:100%;padding:20px 0;display:flex;position:absolute;top:0;left:100%}.month-tab{background:var(--tab-inactive);color:#555;cursor:pointer;text-align:left;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid #fffc;border-radius:0 12px 12px 0;align-self:flex-start;width:50px;padding:8px 10px;font-family:inherit;font-weight:700;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:4px 4px 10px #0000000d}.month-tab:hover{background:#fffc;width:55px}.month-tab.active{background:linear-gradient(135deg, var(--panel-blue), #d946ef);color:#fff;border-color:#0000;width:65px;box-shadow:4px 4px 15px #d946ef4d}.admin-auth{z-index:100;gap:10px;display:flex;position:fixed;top:1rem;right:1rem}.admin-auth button{border:1px solid var(--border-gray);cursor:pointer;background:#fff;border-radius:20px;align-items:center;gap:5px;padding:5px 15px;font-family:inherit;font-weight:700;display:flex;box-shadow:0 2px 5px #0000001a}#login-container-wrap{position:relative}.google-invisible{opacity:.001;z-index:10;width:100%;height:100%;position:absolute;top:0;left:0}.left-sidebar{z-index:2;flex-direction:column;gap:20px;width:300px;display:flex}.profile-card{background:var(--panel-blue);color:var(--text-white);text-align:center;border-radius:12px;padding:20px;position:relative;box-shadow:0 4px 10px #0000001a}.profile-image-box{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:#ffffffb3;border:1px solid #ffffffe6;border-radius:12px;flex-direction:column;margin-bottom:20px;transition:transform .3s;display:flex;overflow:hidden;box-shadow:0 10px 30px #00000014}.profile-image-box:hover{transform:translateY(-3px);box-shadow:0 15px 40px #0000001f}.profile-avatar{box-sizing:border-box;width:100%;height:auto;display:block}.profile-details-box{color:#fff;background:linear-gradient(135deg,#b88a96,#aa7682);margin:0;padding:15px 20px;font-family:Gowun Dodum,sans-serif}.profile-section-title{text-align:center;letter-spacing:1px;text-shadow:0 2px 4px #0000001a;justify-content:center;align-items:center;gap:10px;margin-bottom:12px;font-size:1.2rem;font-weight:700;display:flex}.profile-section-title .arrows{letter-spacing:-2px;opacity:.8;font-family:sans-serif;font-weight:300}.profile-info-list{text-align:left;margin:0;padding:0;list-style:none}.profile-info-list li{text-shadow:0 1px 2px #0000001a;border-bottom:1px solid #fff6;justify-content:space-between;padding:6px 0;font-size:.95rem;font-weight:600;display:flex}.profile-info-list li:last-child{border-bottom:1px solid #fff6}.profile-info-list li .info-label{opacity:.9;align-items:center;gap:5px;display:flex}.social-links{justify-content:center;gap:15px;display:flex}.social-btn{border-radius:50%;flex:none;place-items:center;display:inline-grid}.social-btn img{border:2px solid #fff;border-radius:50%;width:45px;height:45px;transition:all .4s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 12px #0000001a}.social-btn:hover img{transform:scale(1.2)rotate(8deg);box-shadow:0 8px 20px #00000026}.mobile-demo-icon{box-sizing:border-box;color:#fff;background:#ffffff24;border:1px solid #ffffffb8;border-radius:50%;place-items:center;width:31px;height:31px;transition:transform .25s;display:grid}.mobile-demo-icon svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:19px;height:19px}.mobile-demo-btn{color:#fff;background:linear-gradient(145deg,#6687c4,#425f9b);border:2px solid #fff;border-radius:999px;grid-auto-flow:column;gap:8px;min-height:45px;padding:0 14px 0 7px;text-decoration:none;transition:transform .25s,box-shadow .25s;box-shadow:0 4px 12px #1e40783d}.mobile-demo-label{white-space:nowrap;letter-spacing:-.02em;font-size:.78rem;font-weight:800}.mobile-demo-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #1e40784d}.mobile-demo-btn:hover .mobile-demo-icon{transform:rotate(-5deg)}.social-btn:focus-visible{outline-offset:4px;outline:3px solid #315b98}.live-bar{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:#ffffffb3;border:1px solid #ffffffe6;border-radius:12px;align-items:center;gap:12px;padding:12px 15px;transition:transform .3s;display:flex;box-shadow:0 8px 25px #0000000f}.live-bar:hover{transform:translateY(-2px)}.live-label{color:#555;background:linear-gradient(135deg,#e5e7eb,#d1d5db);border-radius:6px;padding:4px 10px;font-size:.8rem;font-weight:700}.live-info-text{color:#444;font-size:.9rem;font-weight:600}.live-bar.streaming .live-label{color:#fff;background:linear-gradient(135deg,#ef4444,#dc2626);animation:2s infinite pulse}@keyframes pulse{0%{box-shadow:0 0 #ef444466}70%{box-shadow:0 0 0 10px #ef444400}to{box-shadow:0 0 #ef444400}}.main-calendar{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);z-index:2;background:#fff9;border:1px solid #fffc;border-radius:16px;flex-direction:column;flex:1;padding:25px;display:flex;box-shadow:0 10px 40px #0000000f}.calendar-header{justify-content:center;align-items:center;margin-bottom:25px;display:flex}.poster-monthbar{color:var(--panel-blue-text);text-shadow:0 2px 5px #1c45871a;align-items:center;gap:20px;font-family:Jua,sans-serif;font-size:1.8rem;display:flex}.date-nav-btn{cursor:pointer;width:40px;height:40px;color:var(--panel-blue-text);background:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.2rem;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:flex;box-shadow:0 4px 10px #00000014}.date-nav-btn:hover{background:var(--panel-blue);color:#fff;transform:translateY(-2px);box-shadow:0 6px 15px #a7d0f266}.calendar-layout-wrapper,.calendar-area{flex-direction:column;flex:1;display:flex}.monthly-grid{background:#fffc;border:2px solid #a7d0f2;border-radius:12px;flex-direction:column;flex:1;display:flex;overflow:hidden auto;box-shadow:inset 0 0 20px #a7d0f21a}.monthly-header-row{color:#1c4587;text-shadow:0 1px 2px #fff6;background:linear-gradient(135deg,#a7d0f2 0%,#9bc2e6 100%);flex-shrink:0;padding:12px 0;font-weight:700}.monthly-header-cell{text-align:center;border-right:1px solid #ffffff80;font-size:.95rem}.monthly-header-cell:last-child{border-right:none}.monthly-header-cell:first-child{color:var(--sunday-red)}.week-row{border-bottom:1px solid #a7d0f266;flex-direction:column;flex:1;display:flex;position:relative;min-height:auto!important;margin-bottom:0!important}.week-row:last-child{border-bottom:none}.day-row-inner{flex:1;display:flex}.day-cell{border-right:1px solid #a7d0f266;flex-direction:column;flex:1;min-width:0;padding:5px;transition:background .3s;display:flex;position:relative}.monthly-cell{background:0 0;border-right:1px solid #a7d0f266;flex-direction:column;flex:1;min-width:0;height:100%;padding:5px;transition:background .3s;display:flex;position:relative;overflow:hidden}.monthly-cell:hover{background:#a7d0f226!important}.monthly-cell.empty{background:#f9fafb80}.monthly-cell:last-child{border-right:none}.monthly-cell.today{background:#f0fdf499}.monthly-date-num span:first-child{background:0 0;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;font-size:.95rem;font-weight:700;transition:all .3s;display:inline-flex}.monthly-cell:first-child .monthly-date-num span:first-child,.monthly-cell.is-holiday .monthly-date-num span:first-child{color:var(--sunday-red)}.monthly-cell.today .monthly-date-num span:first-child{color:#fff;background:linear-gradient(135deg,#a7d0f2,#d946ef);box-shadow:0 4px 10px #a7d0f266}.event-block{letter-spacing:-.8px;white-space:nowrap;text-overflow:ellipsis;box-sizing:border-box;border-radius:4px;min-width:0;max-width:100%;padding:2px 3px;font-size:clamp(.5rem,1.2vw,.65rem);font-weight:700;line-height:1.2;transition:transform .2s;position:relative;overflow:hidden;box-shadow:0 1px 2px #0000000d;border:1px solid #ffffff80!important}.event-block:hover{z-index:10;position:relative;transform:translateY(-1px);box-shadow:0 4px 8px #0000001a}body.admin-mode .event-block{cursor:grab!important}body.admin-mode .event-block:active{cursor:grabbing!important}.event-block.is-dragging{opacity:.45}.event-block.event-drop-before{box-shadow:0 -3px #5892c2!important}.event-block.event-drop-after{box-shadow:0 3px #5892c2!important}.monthly-cell.event-drop-target{box-shadow:inset 0 0 0 2px #5892c28c;background:#a7d0f259!important}.event-block.has-memo{padding-right:10px}.event-block.has-memo:after{content:"";pointer-events:none;border-top:0 solid #0000;border-bottom:10px solid #0000;border-left:0 solid #0000;border-right:10px solid #ef4444;width:0;height:0;position:absolute;top:0;right:0}.event-time{color:#333;background:#fffc;border-radius:3px;margin-right:4px;padding:1px 4px;font-size:.7rem}.right-sidebar{z-index:2;flex-direction:column;gap:20px;width:250px;display:flex}.legend-box{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:#ffffffb3;border:1px solid #ffffffe6;border-radius:16px;padding:20px;transition:transform .3s;box-shadow:0 8px 25px #0000000f}.legend-box:hover{transform:translateY(-3px)}.legend-box h3{color:var(--panel-blue-text);border-bottom:2px solid #a7d0f280;margin-bottom:12px;padding-bottom:8px;font-size:1.1rem}.color-legend{color:#444;flex-direction:column;gap:10px;font-size:.95rem;font-weight:700;display:flex}.color-legend span{align-items:center;gap:10px;display:flex}.color-swatch{border-radius:6px;width:18px;height:18px;box-shadow:inset 0 2px 4px #0000000d}.memo-sidebar{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:#ffffffb3;border:1px solid #ffffffe6;border-radius:16px;flex-direction:column;flex:1;min-height:300px;padding:20px;transition:transform .3s;display:flex;box-shadow:0 8px 25px #0000000f}.memo-sidebar:hover{transform:translateY(-3px)}.memo-header{border-bottom:2px solid #a7d0f280;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:8px;display:flex}.memo-title{color:var(--panel-blue-text);font-size:1.1rem;font-weight:700}.memo-actions button{color:var(--panel-blue);cursor:pointer;background:0 0;border:none;padding:5px;font-size:1.1rem;transition:all .2s}body:not(.admin-mode) .memo-actions,body:not(.admin-mode) .post-it-btn{display:none!important}.memo-actions button:hover{color:var(--panel-blue-text)}.lined-note{background-image:repeating-linear-gradient(#0000,#0000 29px,#a7d0f24d 30px);background-attachment:local;flex:1;padding:0 5px;line-height:30px;overflow-y:auto}.post-it{position:relative;box-shadow:none!important;background:0 0!important;border:none!important;border-radius:0!important;width:100%!important;margin:0!important;padding:0!important;transform:none!important}.post-it-title{outline:none;width:100%;font-weight:700;box-sizing:border-box!important;background:0 0!important;border:none!important;height:30px!important;margin:0!important;padding:0!important;line-height:30px!important;display:block!important}.post-it-content,.post-it-item-text{width:100%;color:var(--panel-blue-text);cursor:text;outline:none;font-family:inherit;font-size:1rem;box-sizing:border-box!important;-webkit-user-select:text!important;user-select:text!important;background:0 0!important;border:none!important;height:auto!important;min-height:30px!important;margin:0!important;padding:0 32px 0 0!important;line-height:30px!important;display:block!important}.poster-footer{color:#777;justify-content:space-between;align-items:center;margin-top:auto;padding-top:15px;font-size:.85rem;display:flex}.btn-close-book{background:linear-gradient(135deg, var(--panel-blue), #8ebae6);color:#fff;cursor:pointer;border:none;border-radius:20px;padding:8px 16px;font-family:inherit;font-weight:700;transition:all .3s;box-shadow:0 4px 10px #a7d0f24d}.btn-close-book:hover{transform:translateY(-2px);box-shadow:0 6px 15px #a7d0f280}.modal-overlay{z-index:9999;background:#00000080;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal-content{background:#fff;border-radius:12px;width:400px;max-width:90%;max-height:90vh;padding:20px;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;margin-bottom:15px;display:flex}.modal-close{color:#ef4444;cursor:pointer;background:#a7d0f233;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.2rem;transition:background .2s,color .2s;display:flex}.modal-close:hover{color:#fff;background:#ef4444}.modal-field{margin-bottom:15px}.modal-field label{color:var(--panel-blue-text);margin-bottom:5px;font-weight:700;display:block}.modal-field input,.modal-field select{border:1px solid #a7d0f280;border-radius:8px;outline:none;width:100%;padding:10px;transition:border-color .2s}.modal-field input[readonly]{cursor:not-allowed;background:#f1f5f9}.modal-field input:focus,.modal-field select:focus{border-color:var(--panel-blue-text)}.custom-color-select{grid-template-columns:1fr 1fr;gap:8px;margin-top:5px;display:grid}.color-option{cursor:pointer;color:#444;background:#fff;border:2px solid #a7d0f24d;border-radius:8px;align-items:center;gap:8px;padding:8px 12px;font-size:.9rem;font-weight:600;transition:all .2s;display:flex}.color-option:hover{background:#f8fafc;border-color:#a7d0f2cc}.color-option.selected{border-color:var(--panel-blue);box-shadow:inset 0 0 0 1px var(--panel-blue);background:#a7d0f226}[data-theme=dark] .color-option.selected{border-color:var(--panel-blue-text);box-shadow:inset 0 0 0 1px var(--panel-blue-text);background:#a7d0f21a}.btn-primary{background:linear-gradient(135deg, var(--panel-blue), #8ebae6);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:12px 15px;font-size:1rem;font-weight:700;transition:all .2s;box-shadow:0 4px 10px #a7d0f24d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 15px #a7d0f280}.edit-day-btn{color:var(--panel-blue-text);cursor:pointer;background:#ffffffe6;border:1px solid #a7d0f280;border-radius:6px;justify-content:center;align-items:center;width:24px;height:24px;transition:all .2s;display:none;position:absolute;top:5px;right:5px;box-shadow:0 2px 5px #0000001a}.edit-day-btn:hover{background:var(--panel-blue);color:#fff;transform:scale(1.1)}body.admin-mode .monthly-cell:hover .edit-day-btn{display:flex}.check-item{background:#ffffff80;border:1px solid #a7d0f266;border-radius:8px;align-items:center;gap:10px;margin-bottom:8px;padding:5px 8px;transition:background .2s,box-shadow .2s;display:flex}.check-item:hover{background:#fff;box-shadow:0 2px 8px #0000000d}.check-item input[type=checkbox]{cursor:pointer;width:18px;height:18px;accent-color:var(--panel-blue)}.check-item-text{cursor:text;outline:none;flex:1;font-size:.95rem;line-height:1.5}.check-item-text:empty:before{content:attr(data-placeholder);color:#999}.check-item.done .check-item-text{color:var(--text-muted);text-decoration:line-through}.check-item-del-btn{color:#ef4444;cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px 8px;font-size:1.1rem;transition:background .2s;display:flex}.check-item-del-btn:hover{background:#ef44441a}.add-check-btn{width:100%;color:var(--panel-blue-text);cursor:pointer;background:#a7d0f233;border:1px dashed #a7d0f2cc;border-radius:8px;justify-content:center;align-items:center;gap:8px;margin-top:5px;padding:8px;font-family:inherit;font-size:.95rem;font-weight:700;transition:all .2s;display:flex}.add-check-btn:hover{background:#a7d0f266;border-style:solid}.post-it-actions{z-index:50;gap:5px;display:flex;position:absolute;top:5px;right:5px}.post-it-btn{color:#ef4444;cursor:pointer;opacity:.6;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;width:24px;height:24px;font-size:1.1rem;transition:all .2s;display:flex}.post-it-btn:hover{opacity:1;background:#ef44441a}.existing-event-item{background:#a7d0f21a;border:1px solid #a7d0f266;border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:8px;padding:8px 12px;display:flex}.existing-event-item button{cursor:pointer;background:#fff;border:1px solid #0000001a;border-radius:6px;justify-content:center;align-items:center;padding:6px 8px;transition:all .2s;display:flex;box-shadow:0 2px 4px #0000000d}.existing-event-item button:hover{background:#f3f4f6;transform:translateY(-1px)}:root[data-theme=dark]{--bg-main:#0b1120;--panel-blue:#243b5a;--panel-blue-text:#bfdbfe;--panel-pink:#a96f84;--tab-inactive:#1e293bf0;--text-dark:#f8fafc;--text-muted:#aebbcf;--border-gray:#94a3b852;background:#0b1224 linear-gradient(-45deg,#111936,#0b1224,#050816,#172044) 0 0/400% 400% fixed}[data-theme=dark] body{color:var(--text-dark);background:0 0}[data-theme=dark] .page-wrapper{background:#131e32eb;border-color:#94a3b833;box-shadow:0 28px 70px #00000061}[data-theme=dark] .main-calendar,[data-theme=dark] .legend-box,[data-theme=dark] .memo-sidebar,[data-theme=dark] .profile-image-box{color:var(--text-dark);background:#0c1526e6;border-color:#94a3b82e}[data-theme=dark] .monthly-grid{background:#080f1deb;border-color:#355579;box-shadow:inset 0 0 24px #3880c414}[data-theme=dark] .monthly-header-row{color:#dbeafe;text-shadow:0 1px 2px #00000059;background:linear-gradient(135deg,#1d3858 0%,#294f78 100%)}[data-theme=dark] 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