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.15s}.chat-quick-btn:hover:not(:disabled){border-color:var(--accent-border);color:var(--accent);background:var(--accent-soft)}.chat-quick-btn:disabled{opacity:.4;cursor:not-allowed}.chat-input-area{border-top:1px solid var(--border-subtle);flex-shrink:0;align-items:flex-end;gap:8px;padding:12px 16px;display:flex}.chat-input{background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-primary);resize:none;flex:1;min-height:36px;max-height:120px;padding:8px 12px;font-family:inherit;font-size:13px;line-height:1.5;transition:border-color .15s}.chat-input:focus{border-color:var(--accent-border);outline:none}.chat-input::placeholder{color:var(--text-tertiary)}.chat-send-btn{border-radius:var(--radius-md);background:var(--accent);color:#fff;cursor:pointer;border:none;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;transition:opacity .15s;display:flex}.chat-send-btn:disabled{opacity:.4;cursor:not-allowed}.chat-send-btn--stop{background:var(--color-red);font-size:14px}.chat-citations{max-width:88%;margin-top:4px}.chat-citations-toggle{color:var(--text-tertiary);cursor:pointer;border-radius:var(--radius-xs);background:0 0;border:none;align-items:center;gap:4px;padding:2px 4px;font-size:11px;transition:color .15s;display:flex}.chat-citations-toggle:hover{color:var(--accent)}.chat-citations-list{flex-direction:column;gap:3px;margin:4px 0 0;padding:0;list-style:none;display:flex}.chat-citations-list a{color:var(--accent);align-items:flex-start;gap:5px;font-size:11px;line-height:1.4;text-decoration:none;display:flex}.chat-citations-list a:hover{text-decoration:underline}.chat-citations-list a svg{flex-shrink:0;margin-top:2px}.chat-history{flex:1;padding:8px;overflow-y:auto}.chat-history-empty{height:100%;color:var(--text-tertiary);flex-direction:column;justify-content:center;align-items:center;gap:8px;font-size:13px;display:flex}.chat-history-list{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.chat-history-item{border-radius:var(--radius-sm);align-items:center;gap:4px;transition:background .12s;display:flex}.chat-history-item:hover{background:var(--bg-hover)}.chat-history-item-body{cursor:pointer;text-align:left;background:0 0;border:none;flex-direction:column;flex:1;align-items:flex-start;gap:2px;padding:8px 10px;display:flex;overflow:hidden}.chat-history-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;width:100%;font-size:13px;overflow:hidden}.chat-history-meta{color:var(--text-tertiary);font-size:11px}.chat-history-delete{width:28px;height:28px;color:var(--text-tertiary);cursor:pointer;border-radius:var(--radius-sm);opacity:0;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;transition:opacity .12s,color .12s;display:flex}.chat-history-item:hover .chat-history-delete{opacity:1}.chat-history-delete:hover{color:var(--color-red)}.chat-panel{border-left:1px solid var(--border-subtle);background:var(--bg-secondary);flex-direction:column;grid-area:2/4;display:flex;overflow:hidden}.selection-tooltip{z-index:300;align-items:center;display:flex;position:fixed;transform:translate(-50%)}.selection-tooltip-btn{background:var(--bg-primary);color:var(--accent);border:1px solid var(--accent-border);border-radius:var(--radius-pill);cursor:pointer;box-shadow:var(--shadow-md);white-space:nowrap;align-items:center;gap:5px;padding:5px 10px;font-size:12px;font-weight:500;transition:background .15s;display:flex}.selection-tooltip-btn:hover{background:var(--accent-soft)}.login-page{background:var(--bg-primary);justify-content:center;align-items:center;height:100vh;display:flex}.login-card{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);flex-direction:column;align-items:center;gap:20px;width:360px;max-width:90vw;padding:48px 40px;display:flex}.login-logo{align-items:center;gap:10px;display:flex}.login-subtitle{color:var(--text-tertiary);margin-top:-8px;font-size:13px}.login-field{width:100%}.login-input{background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:var(--radius);width:100%;color:var(--text-primary);text-align:center;padding:12px 16px;font-size:14px}.login-input:focus{border-color:var(--accent);outline:none}.login-error{color:var(--color-red);margin-top:-8px;font-size:13px}.login-btn{border-radius:var(--radius);background:var(--accent);color:#fff;width:100%;transition:opacity var(--transition-fast);padding:12px;font-size:14px;font-weight:600}.login-btn:hover{opacity:.9}.login-btn:disabled{opacity:.5;cursor:not-allowed}