@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(/snapspace-viewer/fonts/inter-v19-latin-regular.woff2) format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(/snapspace-viewer/fonts/inter-v19-latin-600.woff2) format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(/snapspace-viewer/fonts/inter-v19-latin-700.woff2) format("woff2")}@font-face{font-family:Fredoka;font-style:normal;font-weight:600;font-display:swap;src:url(/snapspace-viewer/fonts/Fredoka-SemiBold.woff2) format("woff2")}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0d0d0f;--bg-secondary: #141418;--bg-card: #1a1a20;--bg-card-hover: #222230;--border-color: #2a2a35;--text-primary: #e8e8ee;--text-secondary: #8888a0;--text-muted: #5a5a70;--accent: #6c5ce7;--accent-hover: #7e6ff0;--error: #e74c3c;--sidebar-width: 360px;--topbar-height: 50px}html,body{height:100%;overflow:hidden;background:var(--bg-primary);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}.login-screen{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg-primary)}.login-card{width:100%;max-width:380px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:32px}.login-brand{display:flex;align-items:baseline;gap:8px;margin-bottom:28px;white-space:nowrap}.login-brand .logo{font-family:Fredoka,sans-serif;font-size:20px;font-weight:600;color:var(--text-primary)}.login-brand .subtitle{font-size:14px;color:var(--text-secondary)}.login-label{display:block;font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.login-input{width:100%;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;padding:10px 14px;font-size:14px;color:var(--text-primary);font-family:inherit;outline:none;transition:border-color .15s}.login-input:focus{border-color:var(--accent)}.login-input::placeholder{color:var(--text-muted)}.login-error{color:var(--error);font-size:13px;margin-top:8px;min-height:20px}.login-row{display:flex;align-items:center;justify-content:space-between;margin-top:16px}.login-remember{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary);cursor:pointer;user-select:none}.login-remember input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px;cursor:pointer}.login-btn{padding:8px 24px;font-size:14px;font-weight:600}.login-footer{text-align:center;margin-top:24px;font-size:11px;color:var(--text-muted)}.app-layout{display:flex;flex-direction:column;height:100vh}.topbar{height:var(--topbar-height);background:var(--bg-secondary);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex-shrink:0;z-index:100}.topbar-brand{display:flex;align-items:baseline;gap:8px;white-space:nowrap}.topbar-brand .logo{font-family:Fredoka,sans-serif;font-size:16px;font-weight:600;color:var(--text-primary)}.topbar-brand .subtitle{font-size:13px;color:var(--text-secondary)}.topbar-status{font-size:12px;color:var(--text-secondary);max-width:400px;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-right{display:flex;align-items:center;gap:12px}.topbar-footer{font-size:11px;color:var(--text-muted)}.main-area{display:flex;flex:1;overflow:hidden;position:relative}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0;transition:width .25s ease;overflow:hidden;z-index:50}.sidebar.collapsed{width:0;border-right:none}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border-color);flex-shrink:0;min-height:48px}.sidebar-header h2{font-size:14px;font-weight:600;white-space:nowrap}.sidebar-actions{display:flex;gap:6px}.sidebar-body{flex:1;overflow-y:auto;padding:8px}.sidebar-body::-webkit-scrollbar{width:6px}.sidebar-body::-webkit-scrollbar-track{background:transparent}.sidebar-body::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.sidebar-toggle-float{position:absolute;top:8px;left:8px;z-index:60;transition:left .25s ease}.main-area:has(.sidebar:not(.collapsed))>.sidebar-toggle-float{left:calc(var(--sidebar-width) + 8px)}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--bg-card);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);cursor:pointer;font-size:12px;font-family:inherit;padding:6px 10px;transition:background .15s,border-color .15s;white-space:nowrap}.btn:hover{background:var(--bg-card-hover);border-color:var(--text-muted)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-icon{width:32px;height:32px;padding:0;font-size:16px}.btn-download{font-size:11px;width:auto;height:28px;padding:0 10px;white-space:nowrap}.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.list-item{display:flex;align-items:center;width:100%;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;padding:12px 14px;margin-bottom:6px;cursor:pointer;text-align:left;transition:background .15s,border-color .2s;color:var(--text-primary);font-family:inherit}.list-item.enter{opacity:0;transform:translateY(-6px);animation:listItemIn .28s ease forwards}@keyframes listItemIn{to{opacity:1;transform:translateY(0)}}.list-item.is-skeleton{cursor:default}.list-item.is-skeleton:hover{background:var(--bg-card);border-color:var(--border-color)}.skeleton-bar{display:inline-block;width:60px;height:8px;border-radius:4px;background:linear-gradient(90deg,var(--border-color) 0%,var(--bg-card-hover) 50%,var(--border-color) 100%);background-size:200% 100%;animation:skeletonShimmer 1.2s linear infinite}.item-delete-skeleton{width:32px;height:32px;border-radius:6px;border:1px solid var(--border-color);background:linear-gradient(90deg,var(--bg-card) 0%,var(--bg-card-hover) 50%,var(--bg-card) 100%);background-size:200% 100%;animation:skeletonShimmer 1.2s linear infinite;pointer-events:none}@keyframes skeletonShimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.item-content{flex:1;min-width:0}.item-delete{flex-shrink:0;margin-left:10px}.item-delete:hover{color:#ff3b30;border-color:#ff3b30}.list-item:hover{background:var(--bg-card-hover);border-color:var(--text-muted)}.list-item.active{border-color:var(--accent);background:#6c5ce71a}.item-title{font-size:13px;font-weight:600;margin-bottom:2px;word-break:break-all}.item-meta{font-size:11px;color:var(--text-secondary)}.session-group-title{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:12px 4px 4px;margin-bottom:2px}.session-group-title:first-child{padding-top:0}.empty-state{text-align:center;padding:32px 16px;color:var(--text-muted);font-size:13px}.viewer-container{flex:1;position:relative;background:var(--bg-primary);overflow:hidden}.viewer-container canvas{display:block;width:100%!important;height:100%!important}.viewer-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:14px;pointer-events:none}.hidden{display:none!important}.spinner{width:28px;height:28px;margin:32px auto;border:3px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}.spinner-large{width:48px;height:48px;border:4px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}.viewer-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#0d0d0f99;z-index:10}.viewer-progress{font-size:13px;color:var(--text-secondary);font-variant-numeric:tabular-nums}@keyframes spin{to{transform:rotate(360deg)}}.point-size-control{position:absolute;top:12px;right:12px;z-index:20;display:flex;align-items:center;gap:8px;background:#141418d9;border:1px solid var(--border-color);border-radius:8px;padding:6px 12px;backdrop-filter:blur(6px)}.point-size-control label{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}.point-size-control input[type=range]{width:120px;accent-color:var(--accent);cursor:pointer}@media(max-width:768px){:root{--sidebar-width: 100vw}.sidebar:not(.collapsed){position:absolute;top:0;left:0;bottom:0;z-index:90}.login-card{margin:16px;padding:24px;border-radius:10px}.login-brand{flex-wrap:wrap;gap:4px}.topbar{padding:0 10px;gap:6px}.topbar-brand .logo{font-size:14px}.topbar-brand .subtitle{display:none}.topbar-status{font-size:11px;max-width:140px}.topbar-footer{display:none}.sidebar-toggle-float{top:6px;left:6px}.main-area:has(.sidebar:not(.collapsed))>.sidebar-toggle-float{left:calc(100vw - 48px)}.point-size-control{top:6px;right:6px;padding:5px 10px}.point-size-control input[type=range]{width:90px}.viewer-container{min-height:0}}@media(max-width:400px){.login-card{margin:8px;padding:20px}.login-brand .logo{font-size:17px}.login-brand .subtitle{font-size:12px}.topbar-brand .logo{font-size:13px}.topbar-status{display:none}}