.bottom-nav{display:flex;height:var(--bottom-nav-height);background:var(--bg);border-top:1px solid var(--border);position:sticky;bottom:0;z-index:200;flex-shrink:0}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-decoration:none;color:var(--text-light);transition:color .15s;padding:4px 0}.bottom-nav-item.active{color:var(--primary)}.bottom-nav-icon-wrap{position:relative;display:flex;align-items:center;justify-content:center}.bottom-nav-badge{position:absolute;top:-5px;right:-8px;background:var(--primary);color:#fff;font-size:10px;font-weight:700;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px;line-height:1}.bottom-nav-label{font-size:11px;font-weight:600}@media (min-width: 600px){.bottom-nav{justify-content:center}.bottom-nav-item{flex:none;width:100px}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #8B0000;--primary-light: #fdf0f0;--bg: #fff;--bg-secondary: #f9f9f9;--border: #e8e8e8;--text: #222;--text-secondary: #666;--text-muted: #888;--text-light: #aaa;--radius: 12px;--radius-sm: 8px;--shadow: 0 2px 8px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.12);--bottom-nav-height: 60px}html,body,#root{height:100%;height:100dvh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.5}.app-shell{display:flex;flex-direction:column;height:100%;width:100%;position:relative;background:var(--bg)}.screen{flex:1;overflow-y:auto;overflow-x:hidden;padding-bottom:var(--bottom-nav-height)}.screen-no-nav{flex:1;overflow-y:auto;overflow-x:hidden}button{cursor:pointer;border:none;background:none;font-family:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:var(--radius);padding:12px 20px;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .15s;font-family:inherit}.btn:active{opacity:.8}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;width:100%}.btn-secondary{background:var(--bg-secondary);color:var(--text);border:1px solid var(--border);width:100%}.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}.btn-danger{background:#c0392b;color:#fff}.btn-sm{padding:7px 14px;font-size:13px;border-radius:var(--radius-sm)}input,textarea,select{font-family:inherit;font-size:15px;color:var(--text);background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:11px 14px;width:100%;outline:none;transition:border-color .15s}input:focus,textarea:focus,select:focus{border-color:var(--primary)}input::placeholder,textarea::placeholder{color:var(--text-light)}textarea{resize:vertical;min-height:80px}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.form-label{font-size:13px;font-weight:600;color:var(--text-secondary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:flex-end;justify-content:center;z-index:1000}.modal-overlay.center{align-items:center;padding:20px}.modal-sheet{background:var(--bg);border-radius:20px 20px 0 0;padding:20px;width:100%;max-width:480px;max-height:90dvh;overflow-y:auto}.modal-sheet.rounded{border-radius:16px;max-height:80dvh}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.modal-title{font-size:18px;font-weight:700;color:var(--text)}.modal-close{width:32px;height:32px;border-radius:50%;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;color:var(--text-secondary)}.top-header{display:flex;align-items:center;padding:12px 16px;background:var(--bg);border-bottom:1px solid var(--border);gap:12px;position:sticky;top:0;z-index:100}.top-header-title{flex:1;font-size:18px;font-weight:700;color:var(--text)}.icon-btn{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;background:none;color:var(--text-secondary);transition:background .15s}.icon-btn:hover{background:var(--bg-secondary)}.badge{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border-radius:10px;font-size:11px;font-weight:700;min-width:18px;height:18px;padding:0 5px}.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;align-items:center;justify-content:center;padding:40px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 24px;gap:12px;color:var(--text-muted);text-align:center}.empty-state-icon{color:var(--text-light)}.empty-state-title{font-size:16px;font-weight:600;color:var(--text-secondary)}.empty-state-text{font-size:14px;color:var(--text-muted)}.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:0}.tab{flex:1;padding:12px 8px;text-align:center;font-size:14px;font-weight:600;color:var(--text-muted);cursor:pointer;border:none;background:none;border-bottom:2px solid transparent;margin-bottom:-2px;font-family:inherit}.tab:hover{color:var(--text-secondary);background:var(--bg-secondary)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.list{list-style:none}.divider{height:1px;background:var(--border);margin:0}.error-text{color:#c0392b;font-size:13px;margin-top:4px}.success-text{color:#27ae60;font-size:13px;margin-top:4px}.chip{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:20px;font-size:13px;font-weight:600;border:1.5px solid var(--border);background:var(--bg);color:var(--text-secondary);cursor:pointer;white-space:nowrap}.chip.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.avatar{border-radius:50%;object-fit:cover;background:var(--bg-secondary);flex-shrink:0}.avatar-initials{display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--primary-light);color:var(--primary);font-weight:700;flex-shrink:0}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}@supports (padding-bottom: env(safe-area-inset-bottom)){.safe-bottom{padding-bottom:calc(var(--bottom-nav-height) + env(safe-area-inset-bottom))}}.content-wrap{max-width:860px;margin:0 auto;width:100%}.modal-overlay{max-width:none}.modal-sheet{max-width:520px;margin:0 auto}@media (min-width: 900px){.top-header{padding:12px 32px}}