.app-nav{display:flex;gap:12px}.app-nav__link{text-decoration:none;color:#0366d6}.user-menu{display:flex;align-items:center;gap:12px}.user-menu__btn{padding:6px 10px;border:1px solid #ccc;background:#fff;border-radius:4px;cursor:pointer;text-decoration:none;color:#333}.app{min-height:100vh;display:flex;flex-direction:column}.app__header{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:16px;padding:12px 16px;border-bottom:1px solid #eee;background:#fafafa}.app__brand{font-weight:700}.app__right{display:flex;align-items:center;gap:12px}.app__main{flex:1}.public{min-height:100vh;display:flex;flex-direction:column;background:#fff}.public__main{flex:1;display:flex;align-items:center;justify-content:center;padding:24px}.tree{display:grid;gap:10px}.tree__state{padding:12px;color:#374151}.tree__state.error{color:#b91c1c}.tree__empty{display:flex;align-items:center;justify-content:center;padding:16px}.tree__wrap{display:grid;gap:8px}.tree__head{display:flex;align-items:center;justify-content:space-between;padding:6px 4px}.tree__title{font-weight:600}.tree__list{list-style:none;padding-left:0;margin:0;display:grid;gap:4px}.tree__list--child{padding-left:12px}.tree__row{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:6px;cursor:pointer}.tree__row:hover{background:#f0f2f5}.tree__row.is-active{background:#e8eefc}.tree__kind{font-size:12px;color:#6b7280;min-width:70px}.tree__name{flex:1}.tree__actions{display:flex;gap:6px}.btn{padding:6px 10px;border:1px solid #111827;background:#fff;color:#111827;border-radius:6px;cursor:pointer}.btn--primary{background:#111827;color:#fff}.btn--ghost{border-color:#d1d5db;background:#f9fafb}.btn--tiny{padding:2px 6px;font-size:12px}.btn--danger{border-color:#dc2626;color:#dc2626}.btn--danger:hover{background:#fee2e2}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.modal__box{width:520px;max-width:100%;background:#fff;border-radius:10px;border:1px solid #e5e7eb;padding:16px;display:grid;gap:12px}.modal__title{margin:0;font-size:18px;font-weight:600}.form{display:grid;gap:10px}.form input,.form select,.form textarea{width:100%;padding:8px;border:1px solid #d1d5db;border-radius:6px}.modal__actions{display:flex;gap:10px;justify-content:flex-end}.tree--placeholder{display:none}.admin{display:grid;grid-template-columns:320px 1fr;min-height:100vh;background:#f7f7f8}.admin__sidebar{background:#101418;color:#c9d1d9;display:flex;flex-direction:column;gap:12px;padding:20px 16px;overflow-y:auto}.admin__brand{font-weight:700;letter-spacing:.3px;margin-bottom:8px}.admin__content{display:grid;grid-template-rows:auto 1fr;background:#fff}.admin__header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid #e5e7eb;background:#fff}.admin__title{font-weight:600}.admin__logout{padding:8px 12px;border:1px solid #111827;background:#111827;color:#fff;border-radius:6px;cursor:pointer}.admin__body{padding:16px;overflow:auto}html,body{height:100%;margin:0}