:root{--bg-primary: #0a0a0a;--bg-secondary: #171717;--bg-tertiary: #262626;--text-primary: #ededed;--text-secondary: #a1a1aa;--text-muted: #52525b;--accent-primary: #3b82f6;--accent-glow: rgba(59, 130, 246, .5);--border-subtle: #27272a;--border-highlight: #3f3f46;--font-family: "Inter", system-ui, -apple-system, sans-serif;--glass-bg: rgba(23, 23, 23, .7);--glass-border: rgba(255, 255, 255, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}button{cursor:pointer;border:none;background:none;font-family:inherit}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.drag-drop-zone{width:100%;max-width:600px;height:400px;margin:0 auto;border:2px dashed 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