:root{--bg: #F4F5F7;--bg-card: rgba(255,255,255,.72);--bg-card-solid: #fff;--border-card: rgba(255,255,255,.55);--border-subtle: rgba(0,0,0,.06);--accent: #5872E5;--accent-light: #EEF1FC;--accent-dark: #4058C9;--accent-gradient: linear-gradient(135deg, #5872E5, #7B8FF2);--accent-rgb: 88, 114, 229;--accent-highlight: #7B8FF2;--free: #2EAE7B;--free-light: #EAFAF3;--free-gradient: linear-gradient(135deg, #2EAE7B, #45C896);--mp3-accent: #5872E5;--mp3-accent-light: #EEF1FC;--mp3-gradient: linear-gradient(135deg, #5872E5, #7B8FF2);--mp3-accent-rgb: 88, 114, 229;--mp4-accent: #0EA5E9;--mp4-accent-light: #E0F2FE;--mp4-gradient: linear-gradient(135deg, #0EA5E9, #38BDF8);--mp4-accent-rgb: 14, 165, 233;--text-primary: #1E293B;--text-secondary: #64748B;--text-tertiary: #94A3B8;--text-muted: #B0BEC5;--danger: #E5534B;--danger-light: #FEF1F0;--shadow-sm: 0 1px 3px rgba(0,0,0,.04);--shadow: 0 2px 8px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.08);--shadow-lg: 0 8px 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