:root{--blue: #0b57d0;--black: #111111;--white: #ffffff}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:var(--black);background:var(--white)}#root,.app-shell{min-height:100vh}.topbar{border-bottom:2px solid var(--black);padding:12px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:700;color:var(--blue)}.topbar-left{display:flex;align-items:center;gap:24px}.topbar-nav{display:flex;flex-wrap:wrap;gap:8px}.topbar-right{display:flex;align-items:center;gap:10px;color:var(--black)}.app{display:flex;min-height:calc(100vh - 52px)}.sidebar{width:33.3333%;border-right:2px solid var(--black);padding:16px;display:flex;flex-direction:column;gap:16px;background:var(--white)}.main-panel{width:66.6667%;padding:24px;background:var(--white)}.tab-btn{background:var(--white);color:var(--black);padding:6px 10px}.tab-btn.active{background:var(--blue);color:var(--white)}.sidebar-header{display:flex;flex-direction:column;gap:12px}h1,h2,p{margin:0}button{border:2px solid var(--black);background:var(--blue);color:var(--white);padding:10px 12px;cursor:pointer;font-weight:700;transition:background-color .16s ease,color .16s ease,transform .1s ease}button:not(:disabled):hover{background:var(--black);color:var(--white)}button:not(:disabled):active{transform:translateY(1px)}button:disabled{opacity:.55;cursor:not-allowed}.secondary-btn{background:var(--white);color:var(--black)}.danger-btn{background:var(--black);color:var(--white)}.card-list{display:flex;flex-direction:column;gap:10px;overflow:auto}.sidebar-footer{margin-top:auto;display:flex;flex-direction:column;gap:8px}.sync-state{font-size:14px;font-weight:700}.sync-state.ok{color:var(--blue)}.sync-state.warn{color:var(--black)}.item-card{border:2px solid var(--black);background:var(--white);color:var(--black);text-align:left;padding:10px;display:flex;flex-direction:column;gap:6px;cursor:pointer}.item-card.active{border-color:var(--blue)}.item-title{font-weight:700;color:var(--blue)}.item-meta{color:var(--blue);font-size:14px}.item-description{font-size:14px}.panel-content{height:calc(100vh - 100px);display:flex;flex-direction:column;gap:14px}.panel-header-row{display:flex;justify-content:space-between;align-items:center}label{display:flex;flex-direction:column;gap:6px;font-weight:600}input,textarea{border:2px solid var(--black);padding:10px;font:inherit}.story-summary{border:2px solid var(--black);padding:10px;display:flex;flex-direction:column;gap:6px}.chat-view .messages{flex:1;border:2px solid var(--black);padding:12px;overflow:auto;display:flex;flex-direction:column;gap:12px}.message{border:1px solid var(--black);padding:10px;white-space:pre-wrap}.message.user{background:#edf3ff}.message.pending{opacity:.88}.message-role{font-weight:700;color:var(--blue)}.message-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}.icon-btn{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;background:var(--white);color:var(--black);border:1px solid var(--black);font-size:12px}.icon-btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8}.chat-form{display:flex;flex-direction:column;gap:8px}.empty-state{color:#444}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:380px;border:2px solid var(--black);padding:20px;display:flex;flex-direction:column;gap:14px}.login-card h1{color:var(--blue)}.login-error{border:1px solid var(--black);background:#edf3ff;padding:8px;font-size:14px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#11111173;display:flex;align-items:center;justify-content:center;padding:20px}.modal-card{width:100%;max-width:420px;background:var(--white);border:2px solid var(--black);padding:16px;display:flex;flex-direction:column;gap:12px}.modal-actions{display:flex;justify-content:flex-end;gap:8px}@media (max-width: 900px){.app{flex-direction:column;min-height:auto}.sidebar,.main-panel{width:100%}.panel-content{height:auto;min-height:60vh}}