:root{--color-bg-primary:#f8f9fc;--color-bg-secondary:#fff;--color-bg-tertiary:#f1f3f9;--color-bg-hover:#eef1f8;--color-bg-active:#e4e8f4;--color-text-primary:#0f172a;--color-text-secondary:#475569;--color-text-tertiary:#94a3b8;--color-text-inverse:#fff;--color-border:#e2e8f0;--color-border-light:#f1f5f9;--color-accent:#6366f1;--color-accent-hover:#4f46e5;--color-accent-light:#eef2ff;--color-accent-glow:#6366f126;--color-success:#10b981;--color-success-light:#ecfdf5;--color-warning:#f59e0b;--color-warning-light:#fffbeb;--color-danger:#ef4444;--color-danger-light:#fef2f2;--color-info:#3b82f6;--color-info-light:#eff6ff;--color-google:#4285f4;--color-outlook:#8b5cf6;--color-task-planned:#10b981;--color-free-slot:#fbbf24;--color-priority-high:#ef4444;--color-priority-medium:#f59e0b;--color-priority-low:#10b981;--shadow-xs:0 1px 2px #0000000a;--shadow-sm:0 1px 3px #0000000f,0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #00000012,0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014,0 4px 6px -4px #0000000d;--shadow-xl:0 20px 25px -5px #00000014,0 8px 10px -6px #0000000a;--shadow-glow:0 0 20px var(--color-accent-glow);--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-full:9999px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace;--text-xs:.75rem;--text-sm:.8125rem;--text-base:.9375rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--leading-tight:1.25;--leading-normal:1.5;--leading-relaxed:1.625;--sidebar-width:260px;--sidebar-collapsed-width:72px;--topbar-height:64px;--transition-fast:.15s cubic-bezier(.4,0,.2,1);--transition-base:.25s cubic-bezier(.4,0,.2,1);--transition-slow:.35s cubic-bezier(.4,0,.2,1);--transition-spring:.5s 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