:root{--primary-color: #2c3e50;--accent-color: #d4a373;--bg-color: #ffffff;--light-bg: #f8f9fa;--text-main: #333;--text-secondary: #666;--shadow: 0 4px 20px rgba(0, 0, 0, .15);--radius: 12px}.chat-widget-container{position:fixed;bottom:20px;right:20px;z-index:1000;font-family:Inter,system-ui,-apple-system,sans-serif}.chat-toggle-btn{width:60px;height:60px;border-radius:50%;background:var(--primary-color);color:#fff;border:none;cursor:pointer;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;transition:transform .2s}.chat-toggle-btn:hover{transform:scale(1.05)}.chat-window{width:350px;height:500px;background:var(--bg-color);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden;margin-bottom:20px;animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-header{background:var(--primary-color);color:#fff;padding:15px;display:flex;justify-content:space-between;align-items:center}.chat-header h3{margin:0;font-size:16px;font-weight:600}.close-btn{background:none;border:none;color:#fff;cursor:pointer}.chat-messages{flex:1;padding:15px;overflow-y:auto;background:var(--light-bg);display:flex;flex-direction:column;gap:10px}.message{max-width:80%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.4;word-wrap:break-word}.message.user{align-self:flex-end;background:var(--accent-color);color:#fff;border-bottom-right-radius:2px}.message.assistant{align-self:flex-start;background:#fff;color:var(--text-main);border:1px solid #eee;border-bottom-left-radius:2px}.secure-widget{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:15px;margin:10px 0;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;box-shadow:0 2px 4px #0000000d}.secure-header{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.drop-zone{border:2px dashed #cbd5e1;border-radius:8px;padding:20px;width:100%;cursor:pointer;color:var(--text-secondary);display:flex;flex-direction:column;align-items:center;gap:8px;transition:border-color .2s}.drop-zone:hover{border-color:var(--accent-color)}.action-btn{background:var(--primary-color);color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-weight:500;display:flex;align-items:center;gap:6px}.action-btn:hover{opacity:.9}.finance-form{display:flex;flex-direction:column;gap:10px;width:100%;text-align:left}.finance-form label{font-size:13px;color:var(--text-secondary)}.finance-form select{width:100%;padding:8px;border:1px solid #ddd;border-radius:4px;margin-top:4px}.chat-input-area{padding:15px;border-top:1px solid #eee;display:flex;gap:10px;background:#fff}.chat-input{flex:1;padding:10px;border:1px solid #ddd;border-radius:20px;outline:none;font-family:inherit}.chat-input:focus{border-color:var(--primary-color)}.send-btn{background:var(--primary-color);color:#fff;border:none;width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.send-btn:hover{background:#34495e}.send-btn:disabled{background:#ccc;cursor:not-allowed}@media(max-width:480px){.chat-window{width:90vw;height:80vh;right:5vw;bottom:80px}}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}