:root{--bg-primary:#f9fafb;--bg-secondary:#ffffff;--bg-tertiary:#f3f4f6;--text-primary:#111827;--text-secondary:#6b7280;--text-tertiary:#9ca3af;--border-color:#e5e7eb;--nav-bg:#1f2937;--nav-text:#d1d5db;--nav-hover:#374151;--shadow:rgba(0,0,0,0.1);--shadow-md:rgba(0,0,0,0.15)}[data-theme=dark]{--bg-primary:#111827;--bg-secondary:#1f2937;--bg-tertiary:#374151;--text-primary:#f9fafb;--text-secondary:#d1d5db;--text-tertiary:#9ca3af;--border-color:#374151;--nav-bg:#0f172a;--nav-text:#cbd5e1;--nav-hover:#1e293b;--shadow:rgba(0,0,0,0.3);--shadow-md:rgba(0,0,0,0.5)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;transition:background-color .3s ease,color .3s ease}a{text-decoration:none;color:inherit}.navigation{background-color:var(--nav-bg);box-shadow:0 2px 4px var(--shadow);position:-webkit-sticky;position:sticky;top:0;z-index:1000;transition:background-color .3s ease}.nav-container{max-width:1280px;margin:0 auto;padding:0 16px;gap:32px}.nav-container,.nav-logo{display:flex;align-items:center}.nav-logo{gap:12px;padding:16px 0;font-size:20px;font-weight:700;color:white;transition:opacity .2s}.nav-logo:hover{opacity:.8}.logo-icon{font-size:24px}.logo-text{white-space:nowrap}.nav-menu{list-style:none;flex:1 1}.nav-link,.nav-menu{display:flex;align-items:center;gap:8px}.nav-link{padding:12px 16px;color:var(--nav-text);font-size:14px;font-weight:500;border-radius:6px;transition:all .2s;white-space:nowrap}.nav-link:hover{background-color:var(--nav-hover);color:white}.nav-link.active{background-color:#3b82f6;color:white}.nav-icon{font-size:18px}.theme-toggle{background:transparent;border:2px solid var(--nav-text);border-radius:8px;padding:8px 12px;font-size:20px;cursor:pointer;transition:all 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100px)}.card{background-color:var(--bg-secondary);border-radius:8px;box-shadow:0 1px 3px var(--shadow);padding:24px;margin-bottom:24px;transition:background-color .3s ease,box-shadow .3s ease}.card-title{font-size:20px;font-weight:600;margin-bottom:16px;color:var(--text-primary);transition:color .3s ease}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:24px;gap:24px;margin-bottom:32px}.stat-card{background-color:var(--bg-secondary);border-radius:8px;box-shadow:0 1px 3px var(--shadow);padding:24px;transition:background-color .3s ease,box-shadow .3s ease}.stat-icon{width:48px;height:48px;border-radius:8px;margin-bottom:16px;display:flex;align-items:center;justify-content:center;color:white;font-size:24px;font-weight:700}.stat-title{font-size:14px;font-weight:500;color:var(--text-secondary);transition:color .3s ease}.table-container{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table thead{background-color:var(--bg-tertiary);transition:background-color .3s ease}.table th{padding:12px 24px;text-align:left;font-size:12px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;transition:color .3s ease}.table tbody{background-color:var(--bg-secondary);transition:background-color .3s ease}.table tbody tr{border-top:1px solid var(--border-color);transition:border-color .3s ease}.table tbody tr:hover{background-color:var(--bg-tertiary)}.expandable-row{overflow:hidden}.expandable-row.expanding{animation:expandRow .3s ease-out forwards}.expandable-row.collapsing{animation:collapseRow .3s ease-in forwards}.expandable-content{background-color:var(--bg-tertiary);padding:16px}.expandable-row.expanding .expandable-content{animation:fadeIn .3s ease-out}.expandable-row.collapsing .expandable-content{animation:fadeOut .3s ease-in}@keyframes expandRow{0%{max-height:0;opacity:0}to{max-height:2000px;opacity:1}}@keyframes 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