.roai-app{--roai-blue:#1e6bff;--roai-purple:#7a4cff;--roai-text:#0b1733;--roai-muted:#52607a;--roai-border:rgba(15,30,70,.1);--roai-surface:#fff;--roai-grad:linear-gradient(135deg,#1e6bff,#7a4cff);font-family:Inter,system-ui,sans-serif;color:var(--roai-text)}
html[data-theme="dark"] .roai-app{--roai-text:#eef2ff;--roai-muted:#9aa6c7;--roai-border:rgba(255,255,255,.1);--roai-surface:#0d1430}
.roai-dropzone{border:2px dashed var(--roai-border);border-radius:18px;padding:36px 20px;text-align:center;cursor:pointer;background:linear-gradient(135deg,rgba(30,107,255,.06),rgba(122,76,255,.06));transition:border-color .2s,background .2s}
.roai-dropzone:hover,.roai-dropzone.is-drag{border-color:var(--roai-blue);background:linear-gradient(135deg,rgba(30,107,255,.12),rgba(122,76,255,.12))}
.roai-icon{font-size:36px;margin-bottom:8px}
.roai-drop-text{font-weight:600;margin:0 0 4px}
.roai-drop-hint{color:var(--roai-muted);font-size:.9rem;margin:0}
.roai-preview{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.roai-preview img{max-height:280px;border-radius:14px;border:1px solid var(--roai-border);object-fit:contain;background:#000}
.roai-preview-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.roai-preview-actions input[type="email"]{flex:1;min-width:200px;padding:.7rem 1rem;border-radius:10px;border:1px solid var(--roai-border);background:var(--roai-surface);color:inherit}
.roai-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.2rem;border-radius:999px;border:1px solid transparent;cursor:pointer;font-weight:600;font-size:.95rem;text-decoration:none}
.roai-btn-primary{background:var(--roai-grad);color:#fff;box-shadow:0 8px 20px rgba(30,107,255,.3)}
.roai-btn-ghost{background:transparent;color:var(--roai-text);border-color:var(--roai-border)}
.roai-btn:hover{transform:translateY(-1px)}
.roai-loading{display:flex;flex-direction:column;align-items:center;gap:10px;padding:30px}
.roai-spinner{width:42px;height:42px;border-radius:50%;border:3px solid rgba(30,107,255,.2);border-top-color:var(--roai-blue);animation:roai-spin 1s linear infinite}
@keyframes roai-spin{to{transform:rotate(360deg)}}
.roai-result{margin-top:18px}
.roai-result-head{display:grid;grid-template-columns:160px 1fr;gap:18px;align-items:center}
@media(max-width:560px){.roai-result-head{grid-template-columns:1fr;text-align:center}}
.roai-ring{position:relative;width:160px;height:160px;margin:0 auto}
.roai-ring svg{width:100%;height:100%}
.roai-ring-text{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.roai-ring-text strong{font-size:1.6rem;background:var(--roai-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.roai-ring-text span{color:var(--roai-muted);font-size:.85rem;display:block}
.roai-badge{display:inline-block;padding:6px 12px;border-radius:999px;font-weight:700;font-size:.85rem;color:#fff}
.roai-badge.ai{background:linear-gradient(135deg,#e94f6b,#7a4cff)}
.roai-badge.real{background:linear-gradient(135deg,#21c98a,#1e6bff)}
.roai-badge.uncertain{background:linear-gradient(135deg,#9aa6c7,#52607a)}
.roai-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.roai-explain{color:var(--roai-muted);margin:.4rem 0 0}
.roai-disclaimer{margin-top:14px;color:var(--roai-muted);font-size:.85rem;background:rgba(30,107,255,.06);padding:10px 12px;border-radius:10px;border:1px solid var(--roai-border)}
.roai-privacy{color:var(--roai-muted);font-size:.8rem;margin-top:12px;text-align:center}
.roai-history{margin-top:14px}
.roai-history summary{cursor:pointer;font-weight:600}
.roai-history ul{list-style:none;padding:0;margin:8px 0 0;display:flex;flex-direction:column;gap:6px}
.roai-history li{padding:8px 12px;border:1px solid var(--roai-border);border-radius:10px;display:flex;justify-content:space-between;gap:10px;font-size:.9rem}
.roai-ad{margin:14px 0}
.roai-error{color:#c0244a;font-weight:600;margin-top:10px}