.btn{border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.btn__icon{color:#fff}.btn__icon--sm{width:20px;height:20px}.btn__icon--lg{width:28px;height:28px}.btn--action{width:36px;height:36px;border-radius:var(--radius-sm);background:#ffffff26}.btn--action:hover{background:#ffffff40;transform:scale(1.05)}.btn--action:active{transform:scale(.95)}#maximize-btn{display:none}.btn--send{width:44px;height:44px;border-radius:var(--radius-full);background:var(--accent);flex-shrink:0}.btn--send:hover:not(:disabled){background:var(--accent-hover);transform:scale(1.05)}.btn--send:active:not(:disabled){transform:scale(.95)}.btn--send:disabled{opacity:.5;cursor:not-allowed}.btn--floating{position:fixed;background:var(--primary);bottom:20px;right:20px;width:56px;height:56px;border-radius:var(--radius-full);box-shadow:var(--shadow-lg);z-index:1000;outline:none}.btn--floating:hover{background:var(--primary-light);transform:translateY(-4px) scale(1.05);box-shadow:var(--shadow-xl)}.btn--floating:active{transform:translateY(-2px) scale(1.02)}.btn__badge{position:absolute;top:-4px;right:-4px;background:var(--error);color:#fff;width:22px;height:22px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;border:2px solid white;animation:pulse 2s infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@media (min-width: 768px){.btn--floating{bottom:30px;right:30px;width:64px;height:64px}#maximize-btn{display:block}}.bot-avatar{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:#fff3;border-radius:50%;color:#fff}.bot-avatar__icon{width:28px;height:28px}.welcome{text-align:center;padding:20px 8px;background:var(--bg-light);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.welcome__icon{font-size:40px;margin-bottom:16px;display:inline-block;animation:wave 2s infinite;transform-origin:70% 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18px;font-size:14px;font-family:inherit;transition:var(--transition)}.modal__input:focus{background:var(--bg-light);outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #3f51b51a}.modal__input::placeholder{color:var(--text-light)}.modal__input:disabled{opacity:.6;cursor:not-allowed}@media (min-width: 768px){.overlay{background:transparent;backdrop-filter:none;justify-content:flex-end;align-items:flex-end}.overlay--maximized{background:var(--overlay);backdrop-filter:blur(4px);justify-content:center;align-items:center}.modal{border-radius:var(--radius-lg)}.overlay:not(.overlay--maximized) .modal{width:420px;height:calc(100dvh - 120px);margin:0 30px 30px 0;animation:slideInRight .3s cubic-bezier(.4,0,.2,1)}@keyframes slideInRight{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}.overlay--maximized .modal{width:90%;max-width:900px;height:90dvh;max-height:800px;margin:0;animation:scaleUp .3s cubic-bezier(.4,0,.2,1)}@keyframes scaleUp{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}}.message{display:flex;animation:messageSlide .3s ease}@keyframes messageSlide{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message__content{max-width:80%;padding:12px 16px;border-radius:var(--radius-md);font-size:14px;line-height:1.5;word-wrap:break-word}.message__content p{margin:0 0 8px}.message__content p:last-child{margin-bottom:0}.message__content ul,.message__content ol{margin:8px 0;padding-left:20px}.message__content li{margin:4px 0}.message__content code{background:var(--bg-dark);padding:2px 6px;border-radius:4px;font-size:13px;font-family:Courier New,monospace}.message__content pre{background:var(--bg-dark);padding:12px;border-radius:var(--radius-sm);overflow-x:auto;margin:8px 0}.message--user{flex-direction:column;align-items:flex-end;gap:4px}.message--user .message__content{background:var(--user-msg);color:#fff;border-bottom-right-radius:4px;box-shadow:var(--shadow-sm)}.message--user .message__actions{display:flex;align-items:center;justify-content:flex-end;width:100%}.message__action-btn{display:flex;align-items:center;justify-content:center;background-color:transparent;border:none;border-radius:50%;padding:4px;cursor:pointer}.message__action-icon{color:var(--text-light);width:16px;height:16px;transition:var(--transition)}.message__action-btn:hover .message__action-icon{color:var(--accent);transform:scale(1.15)}.message--editing{display:flex;flex-direction:column;gap:4px;background:var(--user-msg);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:8px}.message__edit-input{font-family:inherit;font-size:14px;background:var(--bg);color:var(--text-primary);border-radius:8px;border:2px solid var(--border);cursor:pointer;padding:4px 8px;width:100%;resize:none}.message__edit-input:focus{outline:none;border-color:var(--accent-hover);box-shadow:0 0 0 3px #3f51b51a}.message__edit-actions{display:flex;flex-direction:row;align-items:center;justify-content:flex-end;width:100%;gap:8px;margin-top:2px;margin-bottom:4px}.message__edit-action-btn{border-radius:8px;border:none;cursor:pointer;padding:8px 12px;font-size:14px}.message__edit-action-btn--cancel{background-color:transparent;color:#ffffffe6;border:1px solid rgba(255,255,255,.3);transition:all .2s ease}.message__edit-action-btn--cancel:hover{background-color:#ffffff1a;border-color:#fffc;color:#fff}.message__edit-action-btn--send{background-color:#fff;color:var(--primary);font-weight:600;border:none;box-shadow:0 2px 4px #0000001a}.message__edit-action-btn--send:hover{transform:translateY(-1px);box-shadow:0 4px 8px #00000026;background-color:#f8f9fa}.message--bot{justify-content:flex-start}.message--bot 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.message__content{background:linear-gradient(135deg,#48bb781a,#38a1691a);color:var(--success);border-color:#48bb784d;border-left-color:var(--success)}.status-spinner{width:16px;height:16px;border:2px solid rgba(63,81,181,.3);border-top-color:var(--accent);border-radius:var(--radius-full);animation:spin .8s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.typing{display:flex;align-items:center;gap:4px;padding:12px 16px;background:var(--bot-msg);border-radius:var(--radius-md);border-bottom-left-radius:4px;max-width:fit-content;box-shadow:var(--shadow-sm);border:1px solid var(--border)}.typing__dot{width:8px;height:8px;border-radius:50%;background:#a0aec0;animation:bounce 1.4s infinite ease-in-out}.typing__dot:nth-child(1){animation-delay:0s}.typing__dot:nth-child(2){animation-delay:.2s}.typing__dot:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,60%,to{transform:translateY(0);opacity:.7}30%{transform:translateY(-10px);opacity:1}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: oklch(.27 .12 264);--primary-light: oklch(.47 .14 284);--accent: oklch(.45 .13 272);--accent-hover: oklch(.54 .13 276);--bg: oklch(.97 .005 240);--bg-light: oklch(1 0 0);--bg-dark: oklch(.93 .01 240);--border: oklch(.9288 .0126 255.51);--text-primary: oklch(.22 .02 240);--text-secondary: oklch(.42 .02 240);--text-light: oklch(.56 .02 240);--user-msg: linear-gradient( 135deg, oklch(.58 .15 276) 0%, oklch(.48 .17 308) 100% );--bot-msg: oklch(1 0 0);--error: oklch(.63 .19 25);--error-bg: oklch(.98 .02 25);--success: oklch(.66 .16 155);--shadow-sm: 0 1px 3px oklch(0 0 0 / .12);--shadow-lg: 0 10px 25px oklch(0 0 0 / .15);--shadow-xl: 0 20px 40px oklch(0 0 0 / .2);--overlay: rgba(0, 0, 0, .5);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}body{font-family:Open 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