*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #1d4ed8;--color-primary-hover: #1e40af;--color-danger: #dc2626;--color-danger-hover: #b91c1c;--color-success: #16a34a;--color-text: #111827;--color-text-muted: #6b7280;--color-bg: #f9fafb;--color-bg-white: #ffffff;--color-border: #e5e7eb;--color-border-focus: #3b82f6;--radius: 6px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased}#root{height:100%;display:flex;flex-direction:column}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.app-shell{display:flex;flex-direction:column;min-height:100%}.app-nav{display:flex;align-items:center;gap:1.5rem;padding:0 1.5rem;height:56px;background:var(--color-bg-white);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.app-nav__brand{font-weight:700;font-size:1.1rem;color:var(--color-primary);text-decoration:none}.app-nav__links{display:flex;gap:1rem;list-style:none;flex:1}.app-nav__links a{color:var(--color-text-muted);font-weight:500;padding:.25rem .5rem;border-radius:var(--radius);transition:color .15s,background .15s}.app-nav__links a:hover,.app-nav__links a.active{color:var(--color-primary);background:#eff6ff;text-decoration:none}.app-nav__user{display:flex;align-items:center;gap:.75rem;margin-left:auto;font-size:.875rem;color:var(--color-text-muted)}.app-main{flex:1;padding:1.5rem;max-width:1280px;width:100%;margin:0 auto}.card{background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:1.5rem}.card__title{font-size:1rem;font-weight:600;margin-bottom:1rem;color:var(--color-text)}.form{display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column;gap:.375rem}.form-label{font-weight:500;font-size:.875rem;color:var(--color-text)}.form-input,.form-select{width:100%;height:2.25rem;padding:.5rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.875rem;color:var(--color-text);background:var(--color-bg-white);transition:border-color .15s,box-shadow .15s;outline:none}.form-input:focus,.form-select:focus{border-color:var(--color-border-focus);box-shadow:0 0 0 3px #3b82f626}.form-input.error,.form-select.error{border-color:var(--color-danger)}.form-error{font-size:.8125rem;color:var(--color-danger)}.form-row{display:flex;gap:1rem;flex-wrap:wrap;align-items:flex-end}.form-row .form-group{flex:1;min-width:180px}.form-row .form-group--fixed{flex:0 0 auto;min-width:0}.form-row .btn:not(.btn-sm){height:2.25rem}.form-row .form-checkbox{height:2.25rem;padding:0}.form-checkbox{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--color-text);padding:.5rem 0;cursor:pointer;white-space:nowrap}.form-checkbox input{width:1rem;height:1rem;accent-color:var(--color-primary);cursor:pointer}.page-narrow{max-width:420px;margin:2rem auto 0;width:100%}.table-actions{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}.status-text{font-size:.8125rem;color:var(--color-success)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.375rem;padding:.5rem 1rem;border-radius:var(--radius);font-size:.875rem;font-weight:500;cursor:pointer;border:1px solid transparent;transition:background .15s,border-color .15s,color .15s;text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:var(--color-bg-white);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--color-danger-hover)}.btn-sm{padding:.25rem .625rem;font-size:.8125rem}.btn-full{width:100%}.table-wrapper{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--color-border)}table{width:100%;border-collapse:collapse;font-size:.875rem}thead{background:var(--color-bg)}th{padding:.625rem .875rem;text-align:left;font-weight:600;color:var(--color-text-muted);font-size:.8125rem;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--color-border)}td{padding:.75rem .875rem;border-bottom:1px solid var(--color-border);color:var(--color-text)}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#f8faff}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem;flex-wrap:wrap;gap:.75rem}.page-title{font-size:1.25rem;font-weight:700;color:var(--color-text)}.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100%;padding:2rem 1rem}.login-card{width:100%;max-width:400px}.login-card__title{font-size:1.25rem;font-weight:700;margin-bottom:1.5rem;text-align:center;color:var(--color-primary)}.alert{padding:.75rem 1rem;border-radius:var(--radius);font-size:.875rem;margin-bottom:1rem}.alert-error{background:#fef2f2;border:1px solid #fecaca;color:var(--color-danger)}.alert-success{background:#f0fdf4;border:1px solid #bbf7d0;color:var(--color-success)}.spinner{display:inline-block;width:1.25rem;height:1.25rem;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100%;flex-direction:column;gap:1rem;color:var(--color-text-muted)}@media (max-width: 640px){.app-nav{padding:0 1rem;gap:1rem}.app-main{padding:1rem}.app-nav__links{gap:.5rem}}