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clamp(1rem,3vw,2rem);background:var(--color-primary);color:var(--color-text-inverse);border:none;border-radius:var(--radius-2xl);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);cursor:pointer;transition:background-color .2s ease,transform .2s ease;white-space:nowrap}.chat-send-button:hover{background:var(--color-primary-dark);transform:translateY(-1px)}.chat-send-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.message-content.loading{background:rgba(34,139,230,.05);border:1px solid var(--color-border);padding:var(--spacing-lg) var(--spacing-xl)}.typing-indicator{display:flex;align-items:center;gap:var(--spacing-xs)}.typing-indicator span{width:8px;height:8px;border-radius:var(--radius-full);background-color:var(--color-primary);display:inline-block;animation:typing-bounce 1.4s ease-in-out infinite}.typing-indicator span:first-child{animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes 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a:hover{color:var(--color-primary-dark)}.about-title{color:var(--color-primary);font-weight:var(--font-weight-extrabold);font-size:var(--font-size-4xl);letter-spacing:-.02em;margin-bottom:var(--spacing-md);line-height:var(--line-height-tight)}.about-subtitle{color:var(--color-text-muted);font-size:var(--font-size-xl);margin-bottom:var(--spacing-2xl);font-weight:var(--font-weight-medium)}.profile-header{display:flex;align-items:center;gap:var(--spacing-3xl);margin-bottom:var(--spacing-3xl)}.about-section{margin-bottom:var(--spacing-4xl)}.section-title{font-size:var(--font-size-2xl);color:var(--color-primary);margin-bottom:var(--spacing-lg);font-weight:var(--font-weight-bold)}.skills-list{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-top:var(--spacing-lg)}.skill-tag{background:rgba(34,139,230,.05);color:var(--color-primary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-xs) 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