*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#10a37f;--primary-hover:#0d8c6d;--sidebar-bg:#202123;--sidebar-hover:#2a2b32;--sidebar-active:#343541;--main-bg:#f7f7f8;--chat-bg:#ffffff;--user-msg-bg:#f7f7f8;--text-primary:#1a1a2e;--text-secondary:#6e6e80;--text-sidebar:#ececf1;--border-color:#e5e5e5;--danger:#ef4444;--warning:#f59e0b;--radius:8px;--radius-lg:12px;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow:0 2px 8px rgba(0,0,0,.08)}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-primary);background:var(--main-bg);-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}input,textarea,select{font:inherit;color:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-outline{border:1px solid var(--border-color);background:#fff;color:var(--text-primary)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.btn-ghost{color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary);background:#0000000d}.btn-danger{color:var(--danger)}.btn-danger:hover{background:#ef44441a}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:12px 28px;font-size:16px}.btn-block{width:100%}.input{width:100%;padding:10px 14px;border:1px solid var(--border-color);border-radius:var(--radius);background:#fff;transition:border-color .2s;outline:none;font-size:14px}.input:focus{border-color:var(--primary)}.input-error{border-color:var(--danger)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:12px;font-weight:500}.badge-primary{background:#10a37f1f;color:var(--primary)}.badge-warning{background:#f59e0b1f;color:var(--warning)}.badge-danger{background:#ef44441f;color:var(--danger)}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:20px;height:20px;border:2px solid var(--border-color);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.fade-in{animation:fadeIn .3s ease}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.typing-dots span{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--text-secondary);animation:pulse 1.2s infinite;margin:0 2px}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}