*{margin:0;padding:0}.banner-wrapper{width:100vw;height:100vh;background-color:#000;color:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}.banner-slide{width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:0;box-sizing:border-box}.banner-media{width:100%;height:100%;object-fit:contain;display:block}.banner-text{font-size:4vw;text-align:center;padding:2vw;white-space:pre-line;word-wrap:break-word}.banner-html{max-width:90%;max-height:90%;overflow:auto;font-size:1.5vw;text-align:left;background:rgba(255,255,255,.05);padding:2vw;border-radius:1vw}.admin-container{max-width:1200px;margin:0 auto;padding:2rem;color:#1e1e2f;font-family:Segoe UI,sans-serif;min-height:100vh;box-sizing:border-box;background-color:#f9f9f9}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.admin-header h1{font-size:2rem;margin:0;color:#1e1e2f}.admin-header button{background:#e74c3c;color:#fff;border:none;padding:.5rem 1rem;cursor:pointer;border-radius:4px}.form-section{background:#ffffff;padding:1.5rem;border-radius:6px;margin-bottom:2rem;box-shadow:0 0 10px #0000000d}.form-section h2{margin-bottom:1rem;color:#333}form{display:flex;flex-direction:column;gap:1rem}form input[type=text],form select,form textarea{padding:.5rem;border-radius:4px;border:1px solid #ccc;font-size:1rem;width:100%}form input[type=file]{color:#333}form button{align-self:flex-start;background:#3498db;color:#fff;padding:.5rem 1.5rem;border:none;border-radius:4px;cursor:pointer}.banner-list h2{margin-bottom:1rem;color:#1e1e2f}.banner-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.banner-card{background:#ffffff;padding:1rem;border-radius:6px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid #ccc;box-shadow:0 0 4px #0000000d}.banner-card h3{margin-bottom:.5rem;color:#222}.preview{margin-bottom:1rem;text-align:center}.preview img,.preview video{max-width:100%;max-height:200px;object-fit:contain;border-radius:4px}.actions{display:flex;justify-content:space-between;gap:.5rem}.actions button{flex:1;padding:.4rem;border:none;border-radius:4px;cursor:pointer;color:#fff;font-weight:700}.actions button:first-child{background:#f1c40f}.actions button:last-child{background:#c0392b}@media (max-width: 600px){.admin-container{padding:1rem}.banner-grid{grid-template-columns:1fr}}.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f0f2f5;padding:1rem;box-sizing:border-box}.auth-card{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 4px 20px #0000001a;width:100%;max-width:400px}.auth-card h2{margin-bottom:1.5rem;text-align:center;color:#333}.auth-card label{display:block;margin-bottom:.5rem;font-weight:500;color:#444}.auth-card input{width:100%;padding:.5rem;margin-bottom:1rem;border-radius:4px;border:1px solid #ccc;box-sizing:border-box}.auth-card button{width:100%;padding:.75rem;background:#3498db;color:#fff;border:none;border-radius:4px;font-weight:700;cursor:pointer}.auth-card button:hover{background:#2980b9}