:root{--rrbg-red:#e5322d;--rrbg-red2:#ff6b5f;--rrbg-dark:#101828;--rrbg-muted:#667085;--rrbg-line:#e7eaf0;--rrbg-soft:#f6f8fb;--rrbg-green:#16a34a}.rrbg-app{max-width:1060px;margin:34px auto;padding:0;border-radius:32px;background:linear-gradient(145deg,#fff,#f9fbff);box-shadow:0 24px 70px rgba(16,24,40,.14);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--rrbg-dark);overflow:hidden;border:1px solid rgba(231,234,240,.9)}.rrbg-hero{position:relative;padding:36px 30px 26px;text-align:center;background:radial-gradient(circle at top left,rgba(229,50,45,.16),transparent 34%),radial-gradient(circle at top right,rgba(34,197,94,.12),transparent 30%),linear-gradient(180deg,#fff,#fbfcff)}.rrbg-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:999px;background:#fff1f1;color:#c5221f;font-weight:900;font-size:13px;box-shadow:0 8px 26px rgba(229,50,45,.11)}.rrbg-hero h2{font-size:40px;margin:15px 0 10px;line-height:1.08;letter-spacing:-.04em}.rrbg-hero p{margin:0 auto;max-width:680px;color:var(--rrbg-muted);font-size:16px;line-height:1.6}.rrbg-shell{padding:24px 28px 30px}.rrbg-drop{position:relative;border:2px dashed rgba(229,50,45,.45);border-radius:28px;padding:38px 24px;text-align:center;background:linear-gradient(180deg,#fff7f7,#fff);transition:.22s;overflow:hidden}.rrbg-drop:before{content:"";position:absolute;inset:14px;border-radius:22px;border:1px solid rgba(255,255,255,.75);pointer-events:none}.rrbg-drop.rrbg-drag{background:#fff0ef;border-color:var(--rrbg-red);transform:translateY(-2px);box-shadow:0 16px 36px rgba(229,50,45,.13)}.rrbg-icon{width:72px;height:72px;margin:0 auto 14px;border-radius:22px;display:grid;place-items:center;background:linear-gradient(135deg,var(--rrbg-red),var(--rrbg-red2));color:#fff;font-size:34px;box-shadow:0 16px 36px rgba(229,50,45,.28)}.rrbg-drop h3{font-size:25px;margin:0 0 6px;letter-spacing:-.02em}.rrbg-drop p{color:var(--rrbg-muted);margin:0 0 20px}.rrbg-drop small{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:16px;color:#8a94a6;font-weight:700}.rrbg-dot{width:5px;height:5px;border-radius:50%;background:#cbd5e1;display:inline-block}.rrbg-btn{border:0;border-radius:16px;padding:14px 22px;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:9px;transition:.18s;line-height:1;min-height:48px}.rrbg-btn:disabled{opacity:.62;cursor:not-allowed}.rrbg-primary{background:linear-gradient(135deg,var(--rrbg-red),#ff6258);color:#fff;box-shadow:0 14px 28px rgba(229,50,45,.22)}.rrbg-primary:hover{transform:translateY(-1px);color:#fff;box-shadow:0 18px 34px rgba(229,50,45,.28)}.rrbg-light{background:#eef2f7;color:#1f2937}.rrbg-light:hover{background:#e5eaf2}.rrbg-download{background:linear-gradient(135deg,var(--rrbg-green),#35c76f);color:#fff;box-shadow:0 14px 28px rgba(22,163,74,.19)}.rrbg-download:hover{transform:translateY(-1px);color:#fff}.rrbg-workspace{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}.rrbg-preview-card{border:1px solid var(--rrbg-line);border-radius:26px;padding:14px;background:rgba(255,255,255,.86);min-height:340px;box-shadow:0 14px 35px rgba(16,24,40,.06)}.rrbg-card-head{display:flex;align-items:center;justify-content:space-between;margin:2px 4px 12px}.rrbg-preview-card h4{margin:0;font-size:15px;letter-spacing:.02em;text-transform:uppercase;color:#344054}.rrbg-pill{font-size:12px;font-weight:900;color:#64748b;background:#f1f5f9;border-radius:999px;padding:6px 10px}.rrbg-preview-box{height:295px;border-radius:20px;background:#f8fafc;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid #eef2f7}.rrbg-preview-card img{width:100%;height:100%;object-fit:contain}.rrbg-checker .rrbg-preview-box{background-color:#fff;background-image:linear-gradient(45deg,#e9edf3 25%,transparent 25%),linear-gradient(-45deg,#e9edf3 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e9edf3 75%),linear-gradient(-45deg,transparent 75%,#e9edf3 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0}.rrbg-empty{height:100%;width:100%;display:flex;align-items:center;justify-content:center;color:#7b8494;font-weight:900;text-align:center}.rrbg-options{margin-top:18px;padding:16px;border:1px solid var(--rrbg-line);border-radius:24px;background:#fff;display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap;box-shadow:0 12px 30px rgba(16,24,40,.05)}.rrbg-option-title{font-weight:950;color:var(--rrbg-dark);margin-right:4px}.rrbg-radio{display:inline-flex;align-items:center;gap:8px;font-weight:850;color:#344054;background:#f8fafc;border:1px solid #e6eaf0;border-radius:999px;padding:11px 15px;cursor:pointer;transition:.18s}.rrbg-radio:hover{background:#fff;border-color:#d0d5dd}.rrbg-radio input{accent-color:var(--rrbg-red)}.rrbg-color-wrap{display:inline-flex;align-items:center;gap:10px;font-weight:850;color:#344054;background:#f8fafc;border:1px solid #e6eaf0;border-radius:999px;padding:8px 12px}.rrbg-color-wrap input{width:48px;height:34px;border:0;background:transparent;cursor:pointer;padding:0}.rrbg-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:22px}.rrbg-progress{margin-top:18px;text-align:center;color:var(--rrbg-red);font-weight:900;background:#fff5f5;border:1px solid #ffd8d8;border-radius:16px;padding:13px}.rrbg-progress span{display:inline-block;width:19px;height:19px;border:3px solid #ffd6d6;border-top-color:var(--rrbg-red);border-radius:50%;animation:rrbgspin 1s linear infinite;vertical-align:-5px;margin-right:8px}.rrbg-message{margin-top:16px;padding:14px 16px;border-radius:16px;background:#fff4f4;color:#b42318;text-align:center;font-weight:850;border:1px solid #ffd8d8}.rrbg-color-wrap[hidden],.rrbg-options[hidden],.rrbg-workspace[hidden],.rrbg-actions[hidden],.rrbg-progress[hidden],.rrbg-message[hidden],#rrbgResult[hidden],#rrbgDownload[hidden],#rrbgEmpty[hidden]{display:none!important}@keyframes rrbgspin{to{transform:rotate(360deg)}}@media(max-width:780px){.rrbg-app{margin:18px 10px;border-radius:24px}.rrbg-hero{padding:28px 18px 20px}.rrbg-hero h2{font-size:30px}.rrbg-shell{padding:18px}.rrbg-drop{padding:30px 16px}.rrbg-workspace{grid-template-columns:1fr}.rrbg-preview-box{height:245px}.rrbg-actions{flex-direction:column}.rrbg-btn{width:100%}.rrbg-options{align-items:stretch;flex-direction:column}.rrbg-radio,.rrbg-color-wrap{justify-content:space-between;width:100%;box-sizing:border-box}}