:root{--bg: #0f172a;--bg2: #1e293b;--bg3: #334155;--border: #334155;--text: #f1f5f9;--text2: #94a3b8;--accent: #6366f1;--accent-hover: #818cf8;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--radius: 10px;--radius-sm: 6px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;font-size:15px;-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:none;background:none;color:inherit;font:inherit}input,select{font:inherit;color:inherit}.splash{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100dvh;gap:12px;color:var(--text2)}.splash-logo{font-size:48px;color:var(--accent)}.login-page{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:16px}.login-card{background:var(--bg2);border-radius:16px;padding:32px 24px;width:100%;max-width:400px;border:1px solid var(--border)}.login-logo{font-size:40px;color:var(--accent);text-align:center;margin-bottom:8px}.login-title{text-align:center;font-size:22px;font-weight:700;margin-bottom:4px}.login-subtitle{text-align:center;color:var(--text2);font-size:13px;margin-bottom:24px}.tab-switcher{display:flex;background:var(--bg);border-radius:var(--radius);padding:4px;margin-bottom:20px}.tab-btn{flex:1;padding:8px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;color:var(--text2);transition:all .2s}.tab-btn.active{background:var(--accent);color:#fff}.login-form{display:flex;flex-direction:column;gap:14px}.field label{display:block;font-size:12px;color:var(--text2);margin-bottom:6px;font-weight:500}.field input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;color:var(--text);outline:none;transition:border-color .2s}.field input:focus{border-color:var(--accent)}.btn-primary{background:var(--accent);color:#fff;padding:12px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;transition:background .2s;width:100%}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:default}.btn-secondary{background:var(--bg3);color:var(--text1);padding:12px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;transition:background .2s;width:100%;border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg2)}.btn-link{background:none;color:var(--text-muted);font-size:13px;text-decoration:underline;padding:4px;width:100%;text-align:center}.btn-link:hover{color:var(--text2)}.error{color:#fca5a5;font-size:13px;text-align:center}.success-msg{color:#86efac;font-size:13px;text-align:center;padding:8px;background:#16a34a22;border-radius:var(--radius-sm)}.recent-rooms{margin-bottom:16px}.recent-label{font-size:11px;color:var(--text2);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.recent-room-btn{width:100%;display:flex;align-items:center;justify-content:space-between;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;margin-bottom:6px;cursor:pointer;transition:border-color .2s}.recent-room-btn:hover{border-color:var(--accent)}.recent-room-name{font-size:14px;font-weight:500;color:var(--text)}.recent-room-code{font-size:12px;color:var(--accent);font-weight:600}.created-info{background:var(--bg);border-radius:var(--radius);padding:14px 16px;margin:16px 0;display:flex;flex-direction:column;gap:8px}.created-row{display:flex;justify-content:space-between;font-size:14px}.created-row span{color:var(--text2)}.created-row strong{color:var(--accent)}.room-code-display{font-size:32px;font-weight:700;letter-spacing:4px;text-align:center;color:var(--accent);background:var(--bg);border-radius:var(--radius);padding:16px;margin:16px 0}.app{display:flex;flex-direction:column;min-height:100dvh}.main{flex:1;padding:16px;max-width:720px;margin:0 auto;width:100%}.header{background:var(--bg2);border-bottom:1px solid var(--border);padding:12px 16px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}.header-left{display:flex;align-items:center;gap:10px}.header-logo{font-size:22px;color:var(--accent)}.header-room{font-weight:600;font-size:15px}.header-user{font-size:12px;color:var(--text2)}.header-right{display:flex;align-items:center;gap:10px}.header-code{font-size:12px;background:var(--bg3);padding:4px 8px;border-radius:var(--radius-sm);color:var(--accent);font-weight:600}.btn-logout{font-size:12px;color:var(--text2);padding:4px 8px;border:1px solid var(--border);border-radius:var(--radius-sm)}.add-todo-form{margin-bottom:16px}.add-todo-main{display:flex;gap:8px}.add-todo-input{flex:1;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;color:var(--text);outline:none;font-size:15px;transition:border-color .2s}.add-todo-input:focus{border-color:var(--accent)}.btn-add{width:46px;height:46px;background:var(--accent);color:#fff;border-radius:var(--radius);font-size:22px;font-weight:300;display:flex;align-items:center;justify-content:center;transition:background .2s;flex-shrink:0}.btn-add:hover{background:var(--accent-hover)}.btn-add:disabled{opacity:.4}.add-todo-extra{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:12px;margin-top:8px;display:flex;flex-direction:column;gap:8px}.extra-row{display:flex;gap:8px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.select-sm{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 10px;color:var(--text);font-size:13px;outline:none;flex:1;min-width:120px}.btn-toggle{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 12px;font-size:13px;color:var(--text2)}.btn-toggle.active{background:var(--success);border-color:var(--success);color:#fff}.todos{display:flex;flex-direction:column;gap:8px}.todo-item{background:var(--bg2);border-radius:var(--radius);border-left:3px solid transparent;overflow:hidden;transition:opacity .2s}.todo-item.done{opacity:.55}.todo-item.priority-high{border-left-color:var(--danger)}.todo-item.priority-medium{border-left-color:var(--warning)}.todo-item.priority-low{border-left-color:var(--success)}.todo-main{display:flex;align-items:flex-start;gap:10px;padding:12px 14px}.todo-check{width:22px;height:22px;flex-shrink:0;border:2px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:2px;transition:all .2s;color:#fff}.todo-item.done .todo-check{background:var(--success);border-color:var(--success)}.todo-content{flex:1;min-width:0}.todo-text{display:block;font-size:15px;word-break:break-word}.todo-item.done .todo-text{text-decoration:line-through;color:var(--text2)}.todo-meta{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}.tag{font-size:11px;padding:2px 7px;border-radius:20px;background:var(--bg3);color:var(--text2)}.priority-tag.priority-high{background:#ef444422;color:#fca5a5}.priority-tag.priority-medium{background:#f59e0b22;color:#fcd34d}.priority-tag.priority-low{background:#10b98122;color:#6ee7b7}.tag-overdue{background:#ef444422;color:#fca5a5}.tag-date{background:#6366f122;color:#a5b4fc}.tag-person{background:#0ea5e922;color:#7dd3fc}.tag-creator{color:var(--text2);background:none;padding:2px 0}.todo-actions{display:flex;gap:4px;flex-shrink:0}.btn-icon{width:30px;height:30px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text2);transition:background .2s;position:relative}.btn-icon:hover{background:var(--bg3)}.btn-delete:hover{color:var(--danger)}.badge{position:absolute;top:2px;right:2px;background:var(--accent);color:#fff;border-radius:10px;font-size:9px;padding:0 3px;min-width:14px;text-align:center}.empty{text-align:center;color:var(--text2);padding:40px 16px;font-size:14px}.loading{text-align:center;color:var(--text2);padding:60px 16px}.comments{border-top:1px solid var(--border);padding:12px 14px;background:var(--bg)}.comments-list{display:flex;flex-direction:column;gap:8px;margin-bottom:10px}.comments-empty{font-size:13px;color:var(--text2);text-align:center;padding:8px 0}.comment{background:var(--bg2);border-radius:var(--radius-sm);padding:8px 10px}.comment.own{background:#6366f115}.comment-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}.comment-author{font-size:12px;font-weight:600;color:var(--accent)}.comment-time{font-size:11px;color:var(--text2)}.comment-text{font-size:13px;word-break:break-word}.btn-delete-sm{width:18px;height:18px;font-size:10px;color:var(--text2);margin-left:auto}.btn-delete-sm:hover{color:var(--danger)}.comment-form{display:flex;gap:8px}.comment-input{flex:1;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px;color:var(--text);font-size:13px;outline:none}.comment-input:focus{border-color:var(--accent)}.btn-comment{background:var(--accent);color:#fff;padding:8px 12px;border-radius:var(--radius-sm);font-size:16px}.btn-comment:disabled{opacity:.4}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:2px}