:root{--xero-blue:#13b5ea;--xero-dark-blue:#0081b2;--xero-text:#333;--xero-gray-light:#f9f9f9;--xero-gray-border:#e2e2e2;--xero-success:#46b29d;--background:#fff;--foreground:var(--xero-text)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--xero-gray-light);color:var(--xero-text);-webkit-font-smoothing:antialiased;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.5}a{color:var(--xero-blue);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4,h5,h6{margin-bottom:1rem;font-weight:600}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.card{border:1px solid var(--xero-gray-border);background:#fff;border-radius:4px;margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 2px 4px #0000000d}.btn{cursor:pointer;border:1px solid #0000;border-radius:4px;padding:.5rem 1rem;font-weight:600;transition:all .2s;display:inline-block}.btn-primary{background-color:var(--xero-blue);color:#fff}.btn-primary:hover{background-color:var(--xero-dark-blue);text-decoration:none}.btn-success{background-color:var(--xero-success)!important;color:#fff!important}.btn-danger{color:#fff;background-color:#ff4d4d}.btn-danger:hover{background-color:#e60000}.btn-secondary{color:#333;border:1px solid var(--xero-gray-border);background-color:#f0f0f0}.btn-secondary:hover{background-color:#e5e5e5}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal-content{background:#fff;border-radius:8px;width:90%;max-width:400px;padding:2rem;box-shadow:0 4px 12px #00000026}.modal-actions{justify-content:flex-end;gap:1rem;margin-top:2rem;display:flex}.toast-container{z-index:1100;flex-direction:column;gap:.5rem;display:flex;position:fixed;bottom:2rem;right:2rem}.toast{border-left:4px solid var(--xero-blue);background:#fff;border-radius:4px;padding:1rem 1.5rem;animation:.3s ease-out slideIn;box-shadow:0 4px 12px #00000026}.toast-error{border-left-color:#ff4d4d}.toast-success{border-left-color:var(--xero-success)}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.navbar{border-bottom:1px solid var(--xero-gray-border);background-color:#fff;margin-bottom:2rem;padding:1rem 0}.navbar-brand{color:var(--xero-blue);font-size:1.5rem;font-weight:700}.chat-widget{z-index:9999;position:fixed;bottom:2rem;right:2rem}.chat-bubble{background-color:var(--xero-blue,#13b5ea);color:#fff;cursor:pointer;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;font-size:1.5rem;transition:transform .2s;display:flex;box-shadow:0 4px 12px #0000004d}.chat-bubble:hover{transform:scale(1.1)}.chat-window{border:1px solid var(--xero-gray-border);background:#fff;border-radius:12px;flex-direction:column;width:400px;height:600px;animation:.3s cubic-bezier(.4,0,.2,1) slideUp;display:flex;position:fixed;bottom:6rem;right:2rem;overflow:hidden;box-shadow:0 8px 32px #00000040}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.chat-header{background-color:var(--xero-blue);color:#fff;justify-content:space-between;align-items:center;padding:1rem 1.25rem;display:flex;box-shadow:0 2px 4px #0000001a}.chat-messages{background-color:#fcfcfc;flex-direction:column;flex:1;gap:1.25rem;padding:1.25rem;display:flex;overflow-y:auto}.message{border-radius:12px;max-width:85%;padding:.8rem 1rem;font-size:.95rem;line-height:1.4;box-shadow:0 1px 2px #0000000d}.message-user{background-color:var(--xero-blue);color:#fff;border-bottom-right-radius:2px;align-self:flex-end}.message-model{color:#333;border:1px solid var(--xero-gray-border);background-color:#fff;border-bottom-left-radius:2px;align-self:flex-start}.chat-input-area{border-top:1px solid var(--xero-gray-border);background-color:#fff;gap:.75rem;padding:1rem;display:flex}.chat-input{border:1px solid var(--xero-gray-border);border-radius:20px;outline:none;flex:1;padding:.6rem .8rem;font-size:.9rem;transition:border-color .2s}.chat-input:focus{border-color:var(--xero-blue)}.chat-input:disabled{cursor:not-allowed;background-color:#f5f5f5}