:root{--color-primary: #041E42;--color-accent: #00AEEF;--color-accent-hover: #008cc7;--color-success: #22c55e;--color-danger: #ef4444;--color-warning: #f59e0b;--color-info: #3b82f6;--color-bg: #f7fafd;--color-bg-card: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-muted: #64748b;--color-text-light: #94a3b8;--sidebar-width: 260px;--sidebar-collapsed-width: 72px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .04);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--color-primary);color:#fff;display:flex;flex-direction:column;transition:width var(--transition);position:fixed;top:0;left:0;height:100vh;z-index:100;overflow-y:auto}.sidebar-logo{padding:1.5rem 1.25rem;display:flex;align-items:center;gap:.75rem;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo h1{font-size:1.25rem;font-weight:700;letter-spacing:-.02em;color:#fff}.sidebar-logo .logo-dot{color:var(--color-accent)}.sidebar-nav{flex:1;padding:1rem .75rem;display:flex;flex-direction:column;gap:2px}.sidebar-section{margin-top:1.25rem;margin-bottom:.5rem;padding:0 .5rem;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#fff6}.sidebar-link{display:flex;align-items:center;gap:.75rem;padding:.65rem .85rem;color:#ffffffb3;text-decoration:none;font-size:.9rem;font-weight:500;border-radius:var(--radius-sm);transition:all var(--transition);cursor:pointer;border:none;background:none;width:100%;text-align:left}.sidebar-link:hover{background:#ffffff14;color:#fff}.sidebar-link.active{background:var(--color-accent);color:#fff}.sidebar-link svg{width:20px;height:20px;flex-shrink:0}.sidebar-user{padding:1rem 1.25rem;border-top:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:.75rem}.sidebar-user-avatar{width:36px;height:36px;border-radius:50%;background:var(--color-accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;flex-shrink:0}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-role{font-size:.72rem;color:#ffffff80;text-transform:capitalize}.sidebar-logout{background:none;border:none;color:#ffffff80;cursor:pointer;padding:.4rem;border-radius:var(--radius-sm);transition:all var(--transition)}.sidebar-logout:hover{color:var(--color-danger);background:#ffffff14}.main-content{flex:1;margin-left:var(--sidebar-width);overflow-y:auto;transition:margin-left var(--transition)}.main-header{background:var(--color-bg-card);border-bottom:1px solid var(--color-border);padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm)}.main-header h2{font-size:1.25rem;font-weight:600;color:var(--color-primary)}.page-content{padding:1.5rem}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-primary) 0%,#0a3a6b 100%);padding:1rem}.login-card{background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:420px;padding:2.5rem}.login-card h1{font-size:1.75rem;font-weight:700;color:var(--color-primary);text-align:center;margin-bottom:.5rem}.login-card .login-subtitle{text-align:center;color:var(--color-text-muted);font-size:.9rem;margin-bottom:2rem}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-size:.85rem;font-weight:500;color:var(--color-text);margin-bottom:.35rem}.form-input{width:100%;padding:.7rem 1rem;font-size:.95rem;font-family:var(--font-family);border:1.5px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);color:var(--color-text);transition:all var(--transition);outline:none}.form-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #00aeef26}.form-input::placeholder{color:var(--color-text-light)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.25rem;font-size:.95rem;font-weight:600;font-family:var(--font-family);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--color-bg);color:var(--color-text);border:1.5px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-border)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-full{width:100%}.btn-sm{padding:.45rem .85rem;font-size:.85rem}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1.5rem;box-shadow:var(--shadow-sm)}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.alert{padding:.85rem 1.15rem;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;margin-bottom:1rem}.alert-danger{background:#fef2f2;color:var(--color-danger);border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:#16a34a;border:1px solid #bbf7d0}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--color-bg)}.spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.mobile-header,.sidebar-overlay{display:none}@media(max-width:768px){.sidebar{transform:translate(-100%);width:var(--sidebar-width)}.sidebar.open{transform:translate(0)}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:99}.sidebar-overlay.open{display:block}.main-content{margin-left:0}.mobile-header{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:var(--color-primary);color:#fff}.mobile-header button{background:none;border:none;color:#fff;cursor:pointer;padding:.25rem}.mobile-header h2{font-size:1.1rem;font-weight:600}.page-content{padding:1rem}.login-card{padding:1.5rem}}