:root,[data-theme=light]{--color-bg: #fafafa;--color-surface: #ffffff;--color-surface-elevated: #f5f5f5;--color-border: #e5e5e5;--color-text: #483519;--color-text-muted: #8a8a8a;--color-accent: #1d9340;--color-accent-hover: #157a35;--color-error: #dc2626;--font-heading: "Poppins", system-ui, sans-serif;--font-body: "DM Sans", system-ui, sans-serif;--font-logo: "Montserrat", system-ui, sans-serif;--sidebar-width: 260px;--header-height: 56px;--max-content: 880px;--radius: 10px;--shadow: 0 1px 3px rgba(0, 0, 0, .06)}[data-theme=dark]{--color-bg: #0f0f0f;--color-surface: #1a1a1a;--color-surface-elevated: #242424;--color-border: #2e2e2e;--color-text: #f5f5f5;--color-text-muted: #a3a3a3;--color-accent: #88f763;--color-accent-hover: #9dff7a;--color-error: #f87171;--shadow: 0 1px 3px rgba(0, 0, 0, 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var(--color-border);margin-bottom:16px}.sidebar-brand-title{font-family:var(--font-heading);font-size:1.125rem;font-weight:700;color:var(--color-text)}.sidebar-brand-sub{font-family:var(--font-body);font-size:.75rem;color:var(--color-text-muted);margin-top:2px}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:4px;padding:0 12px}.nav-group-label{font-family:var(--font-heading);font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);padding:16px 12px 8px}.nav-link{display:block;padding:8px 12px;font-family:var(--font-heading);font-size:.875rem;font-weight:500;color:var(--color-text-muted);border-radius:6px;text-decoration:none;transition:background .15s,color .15s}.nav-link:hover{background:var(--color-surface-elevated);color:var(--color-text);text-decoration:none}.nav-link.active{background:var(--color-surface-elevated);color:var(--color-accent);font-weight:600}.sidebar-footer{padding:16px 24px 0;border-top:1px solid 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