.sidebar{width:240px;flex-shrink:0;background:var(--color-sidebar);color:var(--color-text-inverse);display:flex;flex-direction:column;border-right:1px solid #111827}.sidebar-brand{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-6) var(--space-4);border-bottom:1px solid #374151}.sidebar-brand-mark{width:36px;height:36px;border-radius:var(--radius-md);background:var(--color-primary);color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;letter-spacing:.5px}.sidebar-brand-product{font-weight:600;font-size:14px}.sidebar-brand-firm{font-size:12px;color:#9ca3af;margin-top:2px}.sidebar-nav{flex:1;padding:var(--space-3) var(--space-2);display:flex;flex-direction:column;gap:2px}.sidebar-nav-item{text-align:left;background:transparent;border:0;color:#d1d5db;font-size:14px;font-weight:500;padding:10px 14px;border-radius:var(--radius-sm);cursor:pointer;transition:background .1s ease}.sidebar-nav-item:hover{background:var(--color-sidebar-hover);color:#fff}.sidebar-nav-item.is-active{background:var(--color-sidebar-active);color:#fff}.sidebar-footer{padding:var(--space-3) var(--space-4);border-top:1px solid #374151;font-size:12px;color:#6b7280}.app-shell{display:flex;height:100vh;width:100vw;overflow:hidden}.app-main{flex:1;overflow-y:auto;padding:var(--space-8);background:var(--color-bg)}:root{--color-bg: #f7f8fa;--color-surface: #ffffff;--color-sidebar: #1f2937;--color-sidebar-hover: #374151;--color-sidebar-active: #2563eb;--color-text: #111827;--color-text-muted: #6b7280;--color-text-inverse: #f9fafb;--color-border: #e5e7eb;--color-primary: #2563eb;--color-success: #16a34a;--color-warning: #d97706;--color-danger: #dc2626;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--radius-sm: 4px;--radius-md: 8px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:inherit;cursor:pointer}h1,h2,h3,h4{margin:0 0 var(--space-3);font-weight:600;color:var(--color-text)}h1{font-size:24px}h2{font-size:18px}h3{font-size:16px}p{margin:0 0 var(--space-3)}code{font-family:var(--font-mono);font-size:13px;background:#f3f4f6;padding:1px 4px;border-radius:3px}