:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--secondary-color: #64748b;--accent-color: #0ea5e9;--success-bg: #dcfce7;--success-text: #166534;--danger-bg: #fee2e2;--danger-text: #991b1b;--bg-body: #f8fafc;--bg-card: #ffffff;--text-main: #0f172a;--text-secondary: #475569;--border-color: #e2e8f0;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light}body{margin:0;background-color:var(--bg-body);color:var(--text-main);min-width:320px;min-height:100vh}h1,h2,h3,h4,h5,h6{margin:0 0 var(--spacing-sm) 0;color:var(--text-main);font-weight:700;line-height:1.2}h1{font-size:2.5rem}h2{font-size:1.75rem}h3{font-size:1.25rem}p{margin:0 0 var(--spacing-sm) 0;color:var(--text-secondary)}input,textarea,select{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:var(--radius-md);background-color:var(--bg-card);color:var(--text-main);font-family:inherit;font-size:1rem;transition:border-color .2s,box-shadow .2s;box-sizing:border-box}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}label{display:block;margin-bottom:var(--spacing-xs);font-weight:500;color:var(--text-main)}button{border-radius:var(--radius-md);border:none;padding:.6em 1.2em;font-size:1em;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s;background-color:var(--bg-card);color:var(--text-main);box-shadow:var(--shadow-sm)}button:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);box-shadow:var(--shadow-md)}.btn-secondary{background-color:#fff;border:1px solid var(--border-color);color:var(--text-secondary)}.btn-secondary:hover:not(:disabled){background-color:#f1f5f9;border-color:#cbd5e1}.btn-danger{background-color:var(--danger-text);color:#fff}.btn-danger:hover:not(:disabled){background-color:#7f1d1d}.btn-text{background:none;box-shadow:none;color:var(--primary-color);padding:.5rem}.btn-text:hover{text-decoration:underline;background:none}.card{background-color:var(--bg-card);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.grid-properties{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--spacing-lg)}nav{background-color:var(--bg-card);border-bottom:1px solid var(--border-color);padding:var(--spacing-sm) var(--spacing-lg);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:10}nav a{text-decoration:none;color:var(--text-secondary);font-weight:500;margin-left:var(--spacing-md);transition:color .2s}nav a:hover,nav a.active{color:var(--primary-color)}nav .brand{font-size:1.5rem;font-weight:800;color:var(--primary-color);margin-left:0;display:flex;align-items:center;gap:.5rem}.nav-logout{margin-left:var(--spacing-sm)}.badge{padding:.25rem .75rem;border-radius:999px;font-size:.875rem;font-weight:600}.badge-success{background-color:var(--success-bg);color:var(--success-text)}.badge-danger{background-color:var(--danger-bg);color:var(--danger-text)}.container{max-width:1200px;margin:0 auto;padding:var(--spacing-lg)}.admin-form-grid{display:grid;gap:var(--spacing-md);max-width:600px;width:100%}.image-grid-container{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1rem;padding:1rem;background:#f8fafc;border-radius:8px}.image-grid-container.new-uploads{background:#f0f9ff;border:1px dashed #bae6fd}.image-preview-item{position:relative;width:100px;height:100px}.image-preview-img{width:100%;height:100%;object-fit:cover;border-radius:4px;border:1px solid #e2e8f0}.image-preview-img.new-upload-img{border:1px solid #bae6fd}.btn-remove-image{position:absolute;top:-8px;right:-8px;background:#ef4444;color:#fff;border-radius:50%;width:20px;height:20px;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;font-size:12px;padding:0;box-shadow:0 2px 4px #0000001a}.file-input{padding:.5rem;margin-bottom:1rem}.form-actions{display:flex;gap:1rem;margin-top:1rem}@media(max-width:768px){:root{--spacing-lg: 1.5rem;--spacing-xl: 2rem}h1{font-size:1.75rem}h2{font-size:1.4rem}h3{font-size:1.15rem}.container{padding:1rem}.card{padding:1.25rem}nav{padding:.75rem 1rem}nav a{margin-left:1rem;font-size:.9rem}nav .brand{font-size:1.25rem}.grid-properties{grid-template-columns:1fr}input,textarea,select{padding:.6rem}}@media(max-width:480px){:root{--spacing-md: 1rem;--spacing-lg: 1rem;--spacing-xl: 1.5rem}h1{font-size:1.5rem;margin-bottom:.5rem}h2{font-size:1.25rem;margin-bottom:.5rem}.container{padding:.75rem}.card{padding:1rem}input,textarea,select{font-size:16px;padding:.5rem}label{font-size:.9rem;margin-bottom:.25rem}nav{padding:.5rem .75rem}nav .brand{font-size:1.1rem}nav a,.nav-logout{margin-left:.5rem;font-size:.8rem}.nav-logout{padding:.25rem}.admin-form-grid{gap:1rem}.form-actions{flex-direction:column}.form-actions button{width:100%}}.app-container{min-height:100vh;display:flex;flex-direction:column}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-out forwards}