body{font-family:Inter,system-ui;background:#f8fafc}
.rt-wrap{max-width:1000px;margin:auto;padding:20px}
.rt-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.rt-box{background:#0b5ed7;color:#fff;padding:18px;border-radius:14px;text-align:center;font-weight:600;text-decoration:none}
.rt-box:hover{background:#084298}
.rt-card{background:#fff;border-radius:16px;padding:24px;box-shadow:0 12px 28px rgba(0,0,0,.08);margin:24px 0}
.rt-drop{border:2px dashed #0b5ed7;padding:32px;border-radius:14px;text-align:center;cursor:pointer}
.rt-btn{width:100%;margin-top:16px;background:#0b5ed7;color:#fff;border:none;padding:14px;border-radius:10px;font-size:16px}
.rt-status{margin-top:14px;padding:12px;border-radius:8px;font-weight:600}
.success{background:#dcfce7;color:#166534}