*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #ffffff;--bg-sidebar: #f2f1f0;--bg-groups: #e8e7e5;--bg-hover: #e0dedd;--bg-active: #dcdad8;--bg-active-accent: #f5c542;--text-primary: #1d1d1f;--text-secondary: #6e6e73;--text-tertiary: #aeaeb2;--border: #d2d2d7;--border-light: #e5e5ea;--separator: rgba(60, 60, 67, .12)}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Helvetica Neue,Helvetica,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);font-size:15px;line-height:1.53;letter-spacing:-.022em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{display:flex;height:100%}.col-groups{width:180px;min-width:180px;background:var(--bg-groups);border-right:1px solid var(--border-light);display:flex;flex-direction:column;overflow:hidden}.col-groups .col-header{padding:18px 16px 12px;display:flex;align-items:center;justify-content:space-between}.col-groups .col-header h2{font-size:13px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em}.group-list{flex:1;overflow-y:auto;padding:0 8px}.group-item{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:8px;cursor:pointer;font-size:14px;color:var(--text-primary);transition:background .15s ease}.group-item:hover{background:var(--bg-hover)}.group-item.active{background:var(--bg-active);font-weight:500}.group-icon{font-size:8px;color:var(--text-tertiary)}.group-item.active .group-icon{color:var(--bg-active-accent)}.col-conversations{width:260px;min-width:260px;background:var(--bg-sidebar);border-right:1px solid var(--border-light);display:flex;flex-direction:column;overflow:hidden}.col-conversations .col-header{padding:18px 16px 6px;display:flex;align-items:center;justify-content:space-between}.col-title{font-size:18px;font-weight:700;color:var(--text-primary)}.conv-search{margin:6px 12px 8px;padding:7px 10px;border:none;border-radius:8px;background:var(--bg-hover);color:var(--text-primary);font-size:13px;font-family:inherit;outline:none}.conv-search::placeholder{color:var(--text-tertiary)}.conv-list{flex:1;overflow-y:auto;padding:2px 8px}.conv-item{padding:9px 10px;border-radius:10px;cursor:pointer;transition:background .15s ease}.conv-item:hover{background:var(--bg-hover)}.conv-item.active{background:var(--bg-active-accent)}.conv-item-title{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:1px}.conv-item-meta{display:flex;align-items:baseline;gap:6px}.conv-item-date{font-size:12px;color:var(--text-secondary);flex-shrink:0}.conv-item-preview{font-size:12px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-item.active .conv-item-date,.conv-item.active .conv-item-preview{color:#00000080}.col-note{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg-primary)}.note-toolbar{padding:10px 32px;border-bottom:1px solid var(--separator);display:flex;align-items:center;justify-content:space-between;min-height:44px}.note-toolbar-right{display:flex;align-items:center;gap:8px}.note-toolbar-title{font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em}.note-toolbar-date{font-size:12px;color:var(--text-tertiary)}.note-body{flex:1;overflow-y:auto}.note-entries{padding:28px 40px 60px;max-width:680px}.note-entry{margin-bottom:16px}.note-entry:last-child{margin-bottom:0}.note-author{font-size:13px;font-weight:600;letter-spacing:.01em}.note-author.me{color:#007aff}.note-author.them{color:#8e8e93}.note-time{font-size:11px;color:var(--text-tertiary);margin-left:6px}.note-text{margin-top:1px;font-size:15px;line-height:1.6;color:var(--text-primary)}.note-entry-input{margin-top:16px}.note-input{width:100%;border:none;border-bottom:1px solid var(--border);background:transparent;color:var(--text-primary);font-size:15px;font-family:inherit;line-height:1.6;padding:4px 0 6px;resize:none;outline:none;transition:border-color .2s ease}.note-input:focus{border-bottom-color:#007aff}.note-input::placeholder{color:var(--text-tertiary)}.btn-icon{width:26px;height:26px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s ease}.btn-icon:hover{background:var(--bg-hover)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.auth-page{display:flex;align-items:center;justify-content:center;height:100%;background:var(--bg-secondary, #f5f5f7)}.auth-card{width:360px;background:var(--bg-primary);border-radius:16px;padding:40px 32px;box-shadow:0 2px 20px #00000014}.auth-title{font-size:28px;font-weight:700;text-align:center;color:var(--text-primary)}.auth-subtitle{font-size:14px;color:var(--text-secondary);text-align:center;margin-top:4px}.auth-tabs{display:flex;margin:24px 0 20px;border-bottom:1px solid var(--border-light)}.auth-tab{flex:1;padding:8px 0;border:none;background:transparent;font-family:inherit;font-size:14px;font-weight:500;color:var(--text-tertiary);cursor:pointer;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}.auth-tab.active{color:var(--text-primary);border-bottom-color:var(--text-primary)}.auth-form{display:flex;flex-direction:column;gap:12px}.auth-input{padding:10px 12px;border:1px solid var(--border-light);border-radius:8px;background:var(--bg-primary);color:var(--text-primary);font-size:14px;font-family:inherit;outline:none;transition:border-color .2s}.auth-input:focus{border-color:#007aff}.auth-input::placeholder{color:var(--text-tertiary)}.auth-alias-field{display:flex;flex-direction:column;gap:4px}.auth-hint{font-size:12px;color:var(--text-tertiary);padding-left:2px}.auth-error{font-size:13px;color:#ff3b30}.auth-submit{padding:10px 0;border:none;border-radius:8px;background:var(--text-primary);color:var(--bg-primary);font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;transition:opacity .15s}.auth-submit:hover{opacity:.85}.auth-submit:disabled{opacity:.5;cursor:default}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;display:flex;align-items:center;justify-content:center;z-index:100}.modal-card{width:400px;background:var(--bg-primary);border-radius:14px;padding:24px;box-shadow:0 8px 40px #00000026}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.modal-header h3{font-size:17px;font-weight:600}.modal-body{display:flex;flex-direction:column;gap:12px}.invite-result{display:flex;flex-direction:column;gap:10px}.invite-url{padding:10px 12px;border:1px solid var(--border-light);border-radius:8px;background:var(--bg-secondary, #f5f5f7);color:var(--text-primary);font-size:13px;font-family:inherit;outline:none}.burn-timer{display:flex;align-items:center;gap:6px}.burn-select{padding:4px 8px;border:1px solid var(--border-light);border-radius:6px;background:var(--bg-primary);color:var(--text-secondary);font-size:12px;font-family:inherit;outline:none;cursor:pointer}.burn-custom-input{width:52px;padding:4px 6px;border:1px solid var(--border-light);border-radius:6px;background:var(--bg-primary);color:var(--text-primary);font-size:12px;font-family:inherit;outline:none}.burn-badge{font-size:12px;color:#ff9500;margin-left:4px}.group-add-form{padding:2px 10px}.group-add-input{width:100%;padding:5px 8px;border:1px solid var(--border);border-radius:6px;background:var(--bg-primary);color:var(--text-primary);font-size:13px;font-family:inherit;outline:none}.empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-tertiary);font-size:17px}