:root{--bg: #eef6ff;--panel: #ffffff;--ink: #2a3a50;--muted: #7a90b0;--line: #e2eef8;--accent: #6ab8e8;--accent-soft: #e4f4fc;--note: #ffffff;--reply: #4fa8d8;--viewport-pad: 16px;--sidebar-width: 236px;--detail-width: 380px;--scrollbar-thumb: rgba(106, 184, 232, .42);--scrollbar-thumb-hover: rgba(106, 184, 232, .62);--avatar-size: 38px;--avatar-line-gap: 5px;--thread-line: 2px;--thread-line-color: #aed8f0;--avatar-line-left: 18px;--memo-column-gap: 12px;--reply-group-pad-y: 12px;--thread-branch-y: calc(var(--reply-group-pad-y) + var(--avatar-size) / 2 - var(--thread-line) / 2);--memo-action-gutter: 30px;--thread-connector-left: calc(var(--avatar-line-left) - var(--avatar-size) - var(--memo-column-gap));--thread-branch-width: calc(var(--avatar-size) + var(--memo-column-gap) - var(--avatar-line-left) - var(--avatar-line-gap));--reply-indent: calc(var(--avatar-size) + var(--memo-column-gap))}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{touch-action:manipulation}button{cursor:pointer}body.resizing-panels{cursor:col-resize;-webkit-user-select:none;user-select:none}html{width:100%;height:100%;min-height:100%;background:var(--panel)}body{margin:0;min-height:100vh;min-height:100dvh;padding:0;display:grid;place-items:stretch;overflow:hidden;background:var(--panel);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Apple SD Gothic Neo,Noto Sans KR,sans-serif}.window{width:100vw;height:100vh;height:100dvh;min-height:100lvh;overflow:hidden;border:none;border-radius:0;background:var(--panel);box-shadow:none}@supports (-webkit-touch-callout: none){html,body{min-height:-webkit-fill-available}}.titlebar,.mobile-bottom-bar{display:none}.panel-toggle{width:32px;height:32px;display:none;place-items:center;padding:0;border:1px solid var(--line);border-radius:50%;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#fff;color:var(--muted);cursor:pointer}.panel-toggle svg{width:17px;height:17px;stroke:currentColor;stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}.compose-box{display:grid;grid-template-columns:var(--avatar-size) 1fr;column-gap:var(--memo-column-gap);padding:22px 18px 20px;border-bottom:1px solid var(--line);background:var(--panel)}.compose-input{display:flex;flex-direction:column;gap:10px}#compose-quote-slot:empty{display:none}.compose-placeholder{font-size:15px;color:#a8c4d4;padding-top:6px}.compose-editor{font-size:16px;color:var(--ink);padding:3px 0;min-height:22px;outline:none;line-height:1.5;white-space:pre-wrap;word-wrap:break-word}[contenteditable][data-placeholder]:empty:before{content:attr(data-placeholder);color:#a8c4d4;pointer-events:none}.compose-quote{margin-bottom:8px}.quote-clear{margin-left:8px;background:transparent;border:0;color:var(--muted);cursor:pointer;font-size:12px;text-decoration:underline}.body-editor{outline:none;min-height:22px;padding:0;background:transparent;color:var(--ink);font:inherit;line-height:inherit;white-space:pre-wrap;word-wrap:break-word}.edit-actions{display:flex;justify-content:flex-end;gap:6px;margin-top:4px}.edit-actions button{font:inherit;padding:3px 9px;border-radius:999px;border:0;background:transparent;color:var(--muted);font-size:12px;font-weight:650;cursor:pointer}.edit-actions button:hover{color:var(--accent);background:#6ab8e81a}.edit-actions button.primary{background:#6ab8e829;border-color:var(--accent);color:var(--accent)}.edit-actions button.primary:hover{background:#6ab8e83d}.compose-footer{display:flex;justify-content:flex-end}.app{position:relative;height:100%;display:grid;grid-template-columns:var(--sidebar-width) 6px minmax(0,1fr);min-height:0;overflow:hidden}.panel-resizer{position:relative;z-index:5;padding:0;border:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--panel);cursor:col-resize}.sidebar-resizer{background:linear-gradient(to right,#e8f4fc 50%,var(--panel) 50%)}.panel-resizer:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;background:var(--line);transform:translate(-50%)}.scrim{display:none;position:absolute;top:0;right:0;bottom:0;left:0;z-index:15;border:0;padding:0;background:transparent;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.sidebar{padding:16px 16px 22px;background:#e8f4fc;overflow-y:auto}.sidebar-search{display:flex;align-items:center;gap:8px;height:34px;padding:0 14px;margin-bottom:14px;border:1px solid #cce6f5;border-radius:9999px;background:#fff;color:#7a90b0;font-size:13.5px}.sidebar-search input{width:100%;min-width:0;padding:0;border:0;outline:none;background:transparent;color:var(--ink);font:inherit}.sidebar-search input::placeholder{color:#7a90b0}.sidebar-search svg{width:15px;height:15px;flex-shrink:0;stroke:currentColor;stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}.search-view-bar{display:none;align-items:center;gap:10px;background:#ffffffb8;border:1px solid var(--line);border-radius:14px;padding:0 14px;height:44px;margin:0 18px 14px;flex-shrink:0}.app.search-view .search-view-bar{display:flex}.search-view-bar>svg{width:17px;height:17px;stroke:var(--muted);fill:none;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}#search-view-input{flex:1;border:none;background:none;outline:none;font-size:16px;color:var(--ink);-webkit-appearance:none;-moz-appearance:none;appearance:none;min-width:0}#search-view-input::placeholder{color:var(--muted)}.search-view-clear{display:none;padding:2px;border:none;background:none;cursor:pointer;color:var(--muted);line-height:0}.search-view-clear.visible{display:flex;align-items:center}.search-view-clear svg{width:16px;height:16px}.search-empty{padding:48px 16px;text-align:center;color:var(--muted);font-size:14px}.timeline-empty,.timeline-load-state{display:flex;align-items:center;justify-content:center;gap:9px;padding:34px 16px;text-align:center;color:var(--muted);font-size:13px}.timeline-spinner{width:16px;height:16px;border:2px solid rgba(106,184,232,.22);border-top-color:var(--accent);border-radius:50%;animation:timeline-spinner-spin .75s linear infinite;flex:0 0 auto}@keyframes timeline-spinner-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.pull-refresh-indicator{height:0;opacity:0;overflow:hidden;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;pointer-events:none;transition:opacity .12s ease}.pull-refresh-indicator.visible,.pull-refresh-indicator.refreshing{height:42px;opacity:1}.pull-refresh-indicator.ready{color:var(--accent)}.pull-refresh-indicator .timeline-spinner{animation:none;transform:rotate(var(--pull-refresh-rotation, 0deg));will-change:transform}.pull-refresh-indicator.ready .timeline-spinner,.pull-refresh-indicator.refreshing .timeline-spinner{animation:timeline-spinner-spin .75s linear infinite}.pull-refresh-indicator.settling{transition:height .18s ease,opacity .14s 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var(--detail-width);min-width:0;min-height:0}.timeline{padding:28px 40px 34px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) transparent;background:var(--panel)}.timeline::-webkit-scrollbar,.detail::-webkit-scrollbar{width:6px;height:6px}.timeline::-webkit-scrollbar-track,.detail::-webkit-scrollbar-track{background:transparent}.timeline::-webkit-scrollbar-thumb,.detail::-webkit-scrollbar-thumb{border-radius:999px;background:var(--scrollbar-thumb)}.timeline::-webkit-scrollbar-thumb:hover,.detail::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}.timeline-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:18px}h1{margin:0;font-size:28px;line-height:1.1;letter-spacing:0}.sub{margin-top:6px;color:var(--muted);font-size:13px}.sync-status{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border:1px solid var(--line);border-radius:999px;background:#ffffffc7;color:var(--muted);font-size:12px;font-weight:650;white-space:nowrap}.sync-status.pending{color:#4c86aa;background:#6ab8e81c;border-color:#6ab8e847}.sync-status.error{color:#c93856;background:#e0476a14;border-color:#e0476a33}.sidebar-sync-status{display:none}.quick-compose-dialog{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9000;display:flex;visibility:hidden;align-items:flex-end;justify-content:center;background:#1e324600;pointer-events:none;transition:background .28s ease}.quick-compose-dialog.open,.quick-compose-dialog.preopen,.quick-compose-dialog.closing{visibility:visible}.quick-compose-dialog.preopen{pointer-events:none}.quick-compose-dialog.preopen .quick-compose-editor,.quick-compose-dialog.opening .quick-compose-editor{caret-color:transparent}.quick-compose-dialog.open{background:#1e32462e;pointer-events:auto}.quick-compose-dialog.closing{pointer-events:none}.quick-compose-dialog.closing .quick-compose-card{transition:transform .42s cubic-bezier(.22,.68,.18,1),box-shadow .42s ease}.quick-compose-card{position:fixed;bottom:0;left:0;right:0;display:flex;flex-direction:column;max-height:72svh;padding:12px 18px calc(20px + env(safe-area-inset-bottom));border-radius:22px 22px 0 0;border:1px solid var(--line);border-bottom:none;background:#fffffffa;box-shadow:none;transform:translateY(100%);top:auto;transition:transform .3s cubic-bezier(.05,.7,.1,1),top .3s cubic-bezier(.05,.7,.1,1),border-radius .3s ease,padding-top .3s ease,box-shadow .3s ease;will-change:transform;overflow:hidden;pointer-events:auto}.quick-compose-dialog.open .quick-compose-card{transform:translateY(0);box-shadow:none}.quick-compose-card.qc-full{top:env(safe-area-inset-top,0px);max-width:none;border-radius:22px 22px 0 0;max-height:none;border:none;box-shadow:none;background:#fff;padding:8px 18px calc(20px + env(safe-area-inset-bottom));transition:transform .3s cubic-bezier(.05,.7,.1,1),box-shadow .3s ease}.quick-compose-dialog.qc-full-active{background:none}.quick-compose-handle{flex-shrink:0;width:100%;height:14px;display:flex;align-items:center;justify-content:center;cursor:grab;touch-action:none}.quick-compose-handle:after{content:"";width:36px;height:4px;border-radius:999px;background:var(--line)}.quick-compose-head{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;cursor:grab;touch-action:none}.quick-compose-close{width:30px;height:30px;display:grid;place-items:center;padding:0;border:1px solid var(--line);border-radius:50%;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#fff;color:var(--muted);cursor:pointer}.quick-compose-close svg{width:16px;height:16px;stroke-width:2.2}.quick-compose-body{flex:1;min-height:0;display:grid;grid-template-columns:var(--avatar-size) 1fr;grid-template-rows:minmax(0,1fr);column-gap:var(--memo-column-gap);overflow:hidden}.quick-compose-content{display:flex;flex-direction:column;min-height:0}.quick-compose-editor{flex:1;font-size:16px;color:var(--ink);min-height:30svh;max-height:48svh;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;outline:none;line-height:1.6;white-space:pre-wrap;word-wrap:break-word;padding:2px 0;transition:max-height .3s ease}.quick-compose-card.qc-full .quick-compose-body,.quick-compose-card.qc-full .quick-compose-content{flex:1;min-height:0}.quick-compose-card.qc-full .quick-compose-editor{max-height:none;min-height:0;flex:1}.quick-compose-card.qc-full .quick-compose-head{margin-top:10px}.quick-compose-post{height:34px;padding:0 18px;display:flex;align-items:center;justify-content:center;border:none;border-radius:999px;background:var(--accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .14s ease;white-space:nowrap}.quick-compose-post:hover{background:var(--reply)}.qc-head-actions{display:flex;align-items:center;gap:8px}.quick-compose-drafts-btn{height:34px;padding:0 12px;display:flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap}.quick-compose-drafts-btn.active{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.qc-drafts-count{min-width:16px;height:16px;padding:0 4px;display:inline-grid;place-items:center;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:11px}.qc-drafts{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;background:#fff;margin:0 -18px;padding:4px 0 calc(8px + env(safe-area-inset-bottom))}.qc-drafts .draft-item{padding-left:18px;padding-right:18px}.qc-drafts-empty{padding:40px 18px;text-align:center;color:var(--muted);font-size:14px}.search-hit{font-weight:800;color:inherit}.draft-item{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line)}.draft-item-body{flex:1;min-width:0;cursor:pointer}.draft-item-text{font-size:15px;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}.draft-item-time{margin-top:4px;font-size:12px;color:var(--muted)}.draft-item-delete{flex-shrink:0;width:30px;height:30px;display:grid;place-items:center;padding:0;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--muted);cursor:pointer}.draft-item-delete:hover{color:#c93856;border-color:#c93856}.auth-dialog{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:none;align-items:center;justify-content:center;padding:18px;background:#eef6ffc7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.auth-dialog.open{display:flex}.auth-card{width:min(390px,100%);padding:22px;border:1px solid var(--line);border-radius:18px;background:#fffffff5;box-shadow:none}.auth-card h2{margin:0;font-size:21px;line-height:1.25;letter-spacing:0}.auth-card p{margin:7px 0 18px;color:var(--muted);font-size:13px;line-height:1.45}.auth-field{display:grid;gap:7px;margin-top:12px;color:var(--muted);font-size:12px;font-weight:500}.auth-field input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font:inherit;font-size:16px;outline:none}.auth-field input:focus{border-color:#6ab8e8b8;box-shadow:0 0 0 4px #6ab8e824}.auth-remember{display:flex;align-items:center;gap:8px;margin-top:12px;color:var(--muted);font-size:13px;line-height:1.3;cursor:pointer;-webkit-user-select:none;user-select:none}.auth-remember input{width:15px;height:15px;margin:0;accent-color:var(--accent);cursor:pointer}.auth-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.auth-actions button{min-height:28px;padding:0 11px;border:0;border-radius:999px;color:var(--muted);background:transparent;font:inherit;font-size:13px;font-weight:400;transition:background-color .14s ease,color .14s ease,box-shadow .14s ease}.auth-actions button:hover{color:var(--muted);background:var(--accent-soft)}.auth-actions .primary{color:#fff;background:var(--accent)}.auth-actions .primary:hover{color:#fff;background:var(--reply)}.auth-actions button:disabled{cursor:default;opacity:.62;box-shadow:none}.auth-error{min-height:18px;margin-top:12px;color:#c93856;font-size:12px;font-weight:500}.app.settings-view .compose-box,.app.search-view .compose-box,.app.selection-mode .compose-box{display:none}.settings-page{padding:0 18px 60px}.settings-section{padding:20px;margin-bottom:14px;border:1px solid var(--line);border-radius:14px;background:#ffffffb8}.settings-section h2{display:flex;align-items:center;gap:8px;margin:0 0 12px;font-size:16px;letter-spacing:0}.settings-section h2 svg{flex-shrink:0;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;color:var(--muted)}.settings-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px}.settings-input{flex:1;min-width:0;max-width:200px;height:36px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font:inherit;outline:none;transition:border-color .14s ease,box-shadow .14s ease}.settings-input:focus{border-color:#6ab8e8b8;box-shadow:0 0 0 4px #6ab8e81f}.settings-button{min-height:32px;padding:0 13px;border:0;border-radius:999px;background:var(--accent-soft);color:var(--muted);font:inherit;font-size:13px;transition:background-color .14s ease,color .14s ease}.settings-button:hover{background:#6ab8e82e;color:var(--accent)}.settings-button.primary{background:var(--accent);color:#fff}.settings-button.primary:hover{background:var(--reply);color:#fff}.settings-button.danger{background:#e0476a14;color:#c93856}.settings-button.danger:hover{background:#e0476a29;color:#b8304a}.settings-profile-preview{width:44px;height:44px;border-radius:50%;background:var(--profile-avatar-bg, radial-gradient(circle at 35% 30%, #d0eaf8 0 18%, #6abce8 19% 39%, #3a7aaa 40% 100%));background-size:cover;background-position:center;flex:0 0 44px}.settings-avatar-upload{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 13px;border:1px dashed var(--line);border-radius:999px;background:#fff;color:var(--muted);font:inherit;font-size:13px;cursor:pointer;transition:border-color .14s ease,color .14s ease,background-color .14s ease}.settings-avatar-upload:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.settings-avatar-upload svg{flex-shrink:0;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}.settings-muted{margin-top:10px;color:var(--muted);font-size:12px;line-height:1.45}.settings-status{min-height:18px;margin-top:8px;color:var(--muted);font-size:12px}.memo-select-check{position:absolute;top:18px;left:18px;width:20px;height:20px;margin:0;accent-color:var(--accent);cursor:pointer;z-index:3}.app.selection-mode .memo{padding-left:48px}.selection-bar{position:fixed;bottom:24px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:12px;padding:10px 18px;border:1px solid var(--line);border-radius:14px;background:#fffffff5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:none;z-index:100;animation:selection-bar-up .2s ease-out both}.selection-bar-count{font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap}.selection-bar button{min-height:32px;padding:0 14px;border:0;border-radius:999px;font:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:background-color .14s ease,color .14s ease}.selection-bar .sel-cancel{background:var(--accent-soft);color:var(--muted)}.selection-bar .sel-cancel:hover{background:#6ab8e82e;color:var(--accent)}.selection-bar .sel-delete{background:#e0476a14;color:#c93856}.selection-bar .sel-delete:hover{background:#e0476a29;color:#b8304a}@keyframes selection-bar-up{0%{opacity:0;transform:translate(-50%) translateY(12px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.confirm-dialog{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:none;align-items:center;justify-content:center;padding:18px;background:#eef6ffc7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.confirm-dialog.open{display:flex}.confirm-dialog.popup-veil{background:#fff6;backdrop-filter:none;-webkit-backdrop-filter:none}.confirm-card{width:min(360px,100%);padding:22px;border:1px solid var(--line);border-radius:18px;background:#fffffff5;box-shadow:none;animation:menu-slide-down .14s ease-out both}.confirm-card h3{margin:0 0 8px;font-size:17px;color:var(--ink)}.confirm-card p{margin:0 0 18px;color:var(--muted);font-size:13px;line-height:1.5}.confirm-actions{display:flex;justify-content:flex-end;gap:8px}.confirm-actions button{min-height:32px;padding:0 14px;border:0;border-radius:999px;font:inherit;font-size:13px;cursor:pointer;transition:background-color .14s ease,color .14s ease}.confirm-actions 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