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0 20px var(--primary-glow);--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s ease}[data-theme=light]{--bg-primary:#f8fafc;--bg-secondary:#f1f5f9;--surface:#00000005;--card:#ffffffbf;--card-hover:#ffffffe6;--border:#00000014;--border-hover:#00000026;--primary-glow:#6366f133;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--success-bg:#10b98114;--warning-bg:#f59e0b14;--error-bg:#ef444414;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 30px #0000001f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.6}img,video{max-width:100%;display:block}button{cursor:pointer;color:inherit;background:0 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var(--border);text-align:center;margin-top:auto}.footer-inner{align-items:center;gap:var(--space-md);flex-direction:column;max-width:1100px;margin:0 auto;display:flex}.footer-privacy{align-items:center;gap:var(--space-sm);color:var(--text-muted);font-size:.85rem;display:flex}.footer-privacy svg{color:var(--success)}.footer-links{gap:var(--space-lg);font-size:.82rem;display:flex}.footer-links a{color:var(--text-muted);transition:color var(--transition-fast)}.footer-links a:hover{color:var(--text-primary)}.footer-brand{color:var(--text-muted);align-items:center;gap:4px;font-size:.8rem;display:flex}.footer-brand svg{color:var(--error)}@media (width<=768px){.hero-section{padding:var(--space-2xl) var(--space-md) var(--space-lg)}.tool-card{padding:var(--space-lg)}.dropzone{padding:var(--space-2xl) 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