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#ddd;border-radius:20px;outline:none;font-size:14px}.chat-input:focus{border-color:#007bff}.btn-icon{background:none;border:none;cursor:pointer;color:inherit;font-size:18px;opacity:.9;transition:opacity .2s}.btn-icon:hover{opacity:1}.btn-primary{color:#007bff;font-weight:700;background:none;border:none;cursor:pointer}.chat-bubble{max-width:80%;padding:10px 14px;border-radius:14px;position:relative;font-size:14px;line-height:1.4}.chat-bubble.system{align-self:center;background-color:#e9ecef;color:#6c757d;font-size:12px;border-radius:8px}.chat-bubble.self{align-self:flex-end;background-color:#007bff;color:#fff;font-weight:500}.chat-bubble.other{align-self:flex-start;background-color:#e9ecef;color:#111;font-weight:500;border:1px solid #dee2e6}.chat-meta{font-size:10px;opacity:.7;margin-top:4px;text-align:right}@keyframes flash-yellow{0%{background-color:#007bff}20%{background-color:gold;transform:scale(1.1)}to{background-color:#007bff;transform:scale(1)}}@keyframes slide-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-bubble.failure{background-color:#ffebee;color:#c62828;border:1px solid #ef9a9a;align-self:center;font-weight:700;text-align:center;width:90%;animation:shake .4s cubic-bezier(.36,.07,.19,.97) both}@keyframes shake{10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(2px,0,0)}30%,50%,70%{transform:translate3d(-4px,0,0)}40%,60%{transform:translate3d(4px,0,0)}}.tutorial-overlay-container{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:2147483647}.tutorial-spotlight{position:absolute;border-radius:8px;background-color:transparent;box-shadow:0 0 0 9999px #000000b3;border:2px solid #3498db;transition:all .4s ease;pointer-events:auto}.tutorial-tooltip{position:absolute;width:280px;background:#fff;color:#333;padding:16px;border-radius:8px;box-shadow:0 8px 30px #0000004d;animation:fadeIn .3s ease;pointer-events:auto;z-index:2147483648}.tooltip-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;border-bottom:1px solid #eee;padding-bottom:8px}.tooltip-header h4{margin:0;font-size:16px;color:#2c3e50}.step-count{font-size:10px;font-weight:700;background:#3498db;color:#fff;padding:2px 6px;border-radius:4px}.tooltip-footer{margin-top:10px;font-size:11px;color:#888;text-align:right}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}