*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--brand: #0070F2;--brand-dark: #0057c2;--shell-bg: #354a5e;--page-bg: #f5f6f7;--card-bg: #ffffff;--border: #e5e5e5;--text-primary: #32363a;--text-secondary: #6a6d70;--green: #107e3e;--yellow: #e9730c;--red: #bb0000;--font: "Segoe UI", Arial, Helvetica, sans-serif;--radius: 8px;--shadow: 0 1px 4px rgba(0,0,0,.08)}body{font-family:var(--font);background:var(--page-bg);color:var(--text-primary);min-height:100dvh;-webkit-font-smoothing:antialiased}#root{min-height:100dvh;display:flex;flex-direction:column}.shell-header{background:var(--shell-bg);color:#fff;height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;position:sticky;top:0;z-index:100;flex-shrink:0}.app-body{flex:1;display:flex;overflow:hidden;min-height:0}.sidebar{display:none}.app-content{flex:1;overflow-y:auto;padding-bottom:72px}.tab-bar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:#fff;border-top:1px solid var(--border);display:flex;z-index:100;height:60px}@media (min-width: 768px){#root{max-width:1100px;margin:0 auto;box-shadow:0 0 40px #0000001a}.shell-header{border-radius:0}.sidebar{display:flex;flex-direction:column;width:200px;background:var(--card-bg);border-right:1px solid var(--border);flex-shrink:0;padding:12px 0}.sidebar-link{display:flex;align-items:center;gap:12px;padding:11px 20px;text-decoration:none;color:var(--text-secondary);font-size:.92rem;font-weight:500;transition:background .12s,color .12s;border-left:3px solid transparent}.sidebar-link:hover{background:var(--page-bg);color:var(--text-primary)}.sidebar-link.active{color:var(--brand);background:#e8f1fd;border-left-color:var(--brand);font-weight:600}.sidebar-link .nav-icon{font-size:1.2rem;width:24px;text-align:center}.app-content{padding-bottom:24px}.tab-bar{display:none}}button{cursor:pointer;font-family:var(--font);border:none;border-radius:var(--radius);transition:opacity .15s,transform .1s}button:active{transform:scale(.97)}input,select,textarea{font-family:var(--font);font-size:1rem;border:1px solid var(--border);border-radius:var(--radius);padding:8px 10px;color:var(--text-primary);background:var(--card-bg);width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);border-color:transparent}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.btn-primary{background:var(--brand);color:#fff;padding:10px 20px;font-size:.95rem;font-weight:600}.btn-primary:hover{background:var(--brand-dark)}.btn-primary:disabled{opacity:.5;cursor:default}.btn-secondary{background:transparent;color:var(--brand);border:1px solid var(--brand);padding:8px 16px;font-size:.9rem}.btn-ghost{background:transparent;color:var(--text-secondary);padding:6px 12px;font-size:.85rem}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:.78rem;font-weight:600;color:#fff}.hours-badge{padding:4px 12px;border-radius:20px;font-weight:700;font-size:1rem;color:#fff}.hours-badge.green{background:var(--green)}.hours-badge.yellow{background:var(--yellow)}.hours-badge.red{background:var(--red)}