@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap");:root{--bg-primary:#FFFFFF;--bg-secondary:#F9FAFB;--bg-card:#FFFFFF;--bg-card-hover:#F3F4F6;--bg-elevated:#FFFFFF;--bg-glass:rgba(255,255,255,0.7);--bg-input:#FFFFFF;--text-primary:#111827;--text-secondary:#4B5563;--text-muted:#9CA3AF;--text-accent:#06B6D4;--brand-primary:#06B6D4;--brand-primary-light:#22D3EE;--brand-secondary:#0F172A;--brand-gradient:linear-gradient(135deg,#06B6D4,#0369A1);--brand-gradient-warm:linear-gradient(135deg,#06B6D4,#1E293B);--stf-color:#1F2937;--stj-color:#06B6D4;--tst-color:#10B981;--success:#10B981;--success-bg:rgba(16,185,129,0.1);--error:#EF4444;--error-bg:rgba(239,68,68,0.1);--warning:#F59E0B;--streak:#F59E0B;--border-subtle:#F3F4F6;--border-medium:#E5E7EB;--border-accent:rgba(6,182,212,0.3);--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.05),0 2px 4px -2px 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