:root{--bg-color:#fafafa;--sidebar-bg:#fff;--border-color:#e5e5e5;--accent-color:#1a1a1a;--primary-color:#0095f6;--text-main:#1a1a1a;--text-muted:#737373;--danger-color:#ed4956;--serif-font:"Playfair Display", serif;--sans-font:"Pretendard", sans-serif}body,html{height:100%;font-family:var(--sans-font);background-color:var(--bg-color);color:var(--text-main);touch-action:manipulation;margin:0;padding:0;overflow:hidden}#profile-main-view.hidden,#profile-detail-view.hidden,#demo-display.hidden,#demo-edit.hidden,#login-modal-overlay.hidden,#edit-mode-container.hidden,#view-mode-container.hidden{display:none!important}#splash-screen{z-index:10000;background:#000;justify-content:flex-start;align-items:flex-end;width:100%;height:100%;transition:opacity 1.2s cubic-bezier(.19,1,.22,1),visibility 1.2s;display:flex;position:fixed;top:0;left:0;overflow:hidden}#splash-screen.hidden{opacity:0;visibility:hidden}.splash-bg-slider{width:100%;height:100%;position:absolute;top:0;left:0}.slider-track{width:700vw;height:100%;animation:60s linear infinite backgroundSlide;display:flex}.slide{background-position:50%;background-size:cover;width:100vw;height:100%}@keyframes backgroundSlide{0%{transform:translate(0)}to{transform:translate(-600vw)}}.splash-overlay{z-index:1;background:linear-gradient(#0006 0%,#0003 50%,#000c 100%);width:100%;height:100%;position:absolute;top:0;left:0}.splash-content{z-index:2;text-align:left;color:#fff;padding:80px;animation:1.5s cubic-bezier(.19,1,.22,1) fadeInScale;position:relative}.splash-logo{font-family:var(--serif-font);letter-spacing:-3px;text-shadow:0 4px 30px #0000004d;margin-bottom:5px;font-size:80px;font-weight:900}.splash-tagline{font-family:var(--serif-font);opacity:.9;margin-bottom:40px;font-size:20px;font-style:italic}.splash-start-btn{color:#1a1a1a;font-family:var(--sans-font);text-transform:uppercase;letter-spacing:2px;cursor:pointer;background:#fff;border:none;border-radius:50px;padding:16px 48px;font-size:14px;font-weight:800;transition:all .3s;box-shadow:0 10px 40px #0003}.splash-start-btn:hover{color:#fff;background:#1a1a1a;transform:translateY(-5px);box-shadow:0 15px 50px #0000004d}#app{height:100%;display:flex;position:relative}#map-container{z-index:1;transition:right .5s cubic-bezier(.19,1,.22,1);position:absolute;inset:0 450px 0 0}#map{width:100%;height:100%}.map-overlay-btn{border:1px solid var(--border-color);cursor:pointer;z-index:1000;width:24px;height:50px;color:var(--text-muted);background:#fff;border-right:none;border-radius:8px 0 0 8px;position:absolute;top:50%;right:0;transform:translateY(-50%)}#sidebar{background:var(--sidebar-bg);border-left:1px solid var(--border-color);z-index:1001;flex-direction:column;width:450px;height:100%;transition:width .5s cubic-bezier(.19,1,.22,1),transform .5s cubic-bezier(.19,1,.22,1);display:flex;position:absolute;top:0;right:0;box-shadow:-10px 0 30px #0000000d}.drag-handle{cursor:grab;z-index:10;touch-action:none;flex-shrink:0;justify-content:center;align-items:center;width:100%;height:40px;display:none}.drag-handle:active{cursor:grabbing}.handle-bar{background:#e0e0e0;border-radius:10px;width:40px;height:5px}#sidebar.hidden{transform:translate(100%)}#sidebar.expanded{width:55vw;max-width:900px}#sidebar.hidden~#map-container{right:0!important}#sidebar.expanded~#map-container{right:55vw}@media (width>=1636px){#sidebar.expanded~#map-container{right:900px}}.panel{flex-direction:column;height:100%;display:none;overflow:hidden}.panel.active{display:flex}.sidebar-header{justify-content:space-between;align-items:center;padding:40px 32px 20px;display:flex}.logo{font-family:var(--serif-font);letter-spacing:-1.5px;color:var(--accent-color);margin:0;font-size:34px;font-weight:900;position:relative}.logo:after{content:"";background-color:var(--accent-color);border-radius:50%;width:6px;height:6px;position:absolute;bottom:6px;right:-8px}.btn-post{text-transform:uppercase;color:#fff;background:var(--accent-color);cursor:pointer;border-radius:4px;padding:10px 20px;font-size:13px;font-weight:700}.header-actions{align-items:center;gap:12px;display:flex}.user-menu{align-items:center;gap:8px;display:flex}.user-avatar{width:36px;height:36px;color:var(--text-muted);cursor:default;border:2px solid var(--border-color);background:#f0f0f0;border-radius:50%;justify-content:center;align-items:center;transition:border-color .3s;display:flex;overflow:hidden}.user-avatar:hover{border-color:var(--accent-color)}.btn-logout{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;transition:all .3s;display:flex}.btn-logout:hover{color:var(--danger-color);background:#ed495614}.profile-popup{border:1px solid var(--border-color);z-index:2000;transform-origin:100% 0;background:#fff;border-radius:12px;width:280px;transition:opacity .2s,transform .2s;position:absolute;top:50px;right:0;overflow:hidden;box-shadow:0 10px 40px #0000001a}.profile-popup.hidden{opacity:0;visibility:hidden;transform:scale(.95)}.profile-header{border-bottom:1px solid var(--border-color);background:#fafafa;align-items:center;gap:16px;padding:24px;display:flex}.profile-avatar-large{background:var(--accent-color);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;font-size:20px;font-weight:700;display:flex;position:relative;overflow:hidden}.profile-avatar-large img,.user-avatar img{object-fit:cover;width:100%;height:100%;display:block}.profile-info{flex:1;min-width:0}.profile-info h3{white-space:nowrap;text-overflow:ellipsis;margin:0 0 4px;font-size:15px;font-weight:700;overflow:hidden}.profile-info p{white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:12px;overflow:hidden}.profile-stats{border-bottom:1px solid var(--border-color);gap:24px;padding:16px 24px;display:flex}.stat-item{flex-direction:column;display:flex}.stat-value{color:var(--accent-color);font-size:18px;font-weight:700}.stat-label{color:var(--text-muted);font-size:12px}.btn-action-outline{width:100%;color:var(--accent-color);border:1px 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