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var(--border-color);background:#fff;font-family:inherit;font-size:.95rem;transition:border-color .2s}.chat-input:focus{outline:none;border-color:var(--accent-color)}.chat-send{padding:0 1.25rem;background:var(--accent-color);color:#fff;border:none;border-radius:12px;font-weight:600;cursor:pointer;transition:opacity .2s}.chat-send:disabled{opacity:.5;cursor:not-allowed}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px) scale(.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}@keyframes messageIn{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.typing-indicator{font-style:italic;font-size:.8rem;color:var(--text-secondary);margin-bottom:.5rem}.chat-logs-layout{display:flex;height:600px;gap:2rem}.sessions-sidebar{width:250px;display:flex;flex-direction:column;border-right:1px solid 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.5rem;font-size:1.1rem}.session-ua{font-size:.7rem;color:var(--text-secondary);font-family:monospace}.chat-history{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem}.admin-chat-msg{padding:1rem;border-radius:12px;background:#fff;display:flex;flex-direction:column;gap:.5rem;border:1px solid var(--border-color);max-width:90%}.admin-chat-msg.msg-user{align-self:flex-end;border-right:4px solid var(--accent-color)}.admin-chat-msg.msg-bot{align-self:flex-start;border-left:4px solid #64748b}.admin-chat-msg.msg-bot_error{align-self:flex-start;border-left:4px solid #ef4444;background:#fef2f2}.msg-role{font-size:.7rem;text-transform:uppercase;font-weight:700;color:var(--text-secondary);letter-spacing:.05em}.msg-content{font-size:.95rem;line-height:1.5;white-space:pre-wrap}.msg-time{font-size:.7rem;color:var(--text-secondary);align-self:flex-end}.empty-details{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-style:italic}