:root{--green-dark: #1f4d2b;--green: #2c7a3f;--green-light: #3d9b52;--bg: #f5f6f8;--card: #ffffff;--border: #e5e7eb;--text: #1f2937;--muted: #6b7280;--sidebar-bg: #1f4d2b;--sidebar-text: #e6efe8;--brown: #8b5a2b;--olive: #9ca94b;--blue: #2563eb;--danger: #dc2626;--warn: #f59e0b}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.app{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.08)}.brand-logo{width:36px;height:36px;border-radius:50%;background:#fff;object-fit:cover;border:2px solid #d4af37}.brand-name{font-weight:700;letter-spacing:.5px;font-size:15px}.nav{padding:8px 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