:root{--primary:#1a1d20;--primary-hover:#2c3136;--bg-color:#f8f9fa;--card-bg:#fff;--text-main:#111418;--text-secondary:#6b7280;--border-color:#0000000f;--radius-lg:12px;--radius-md:8px;--shadow-sm:0 4px 12px #00000008, 0 2px 4px #00000005;--shadow-md:0 12px 32px #0000000f, 0 4px 12px #00000008;--shadow-lg:0 24px 48px #00000014}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}.app-container{background-color:var(--bg-color);flex-direction:column;max-width:500px;min-height:100vh;margin:0 auto;display:flex;position:relative;box-shadow:0 0 40px #00000008}.header{-webkit-backdrop-filter:blur(16px);z-index:10;border-bottom:1px solid var(--border-color);background:#f8f9fad9;flex-direction:column;gap:16px;width:100%;max-width:500px;padding:16px 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