html.zibll-fast-iframe-open { overflow: hidden; }
.zibll-fast-iframe-modal { display: none; position: fixed; inset: 0; z-index: 10050; padding: 5vh 5vw; background: rgba(15, 23, 42, .62); opacity: 0; transition: opacity .12s ease; box-sizing: border-box; }
.zibll-fast-iframe-modal.is-visible { opacity: 1; }
.zibll-fast-iframe-container { width: 100%; max-width: 1250px; height: 90vh; margin: 0 auto; display: flex; flex-direction: column; overflow: hidden; background: #fff; border-radius: 8px; box-shadow: 0 18px 60px rgba(0, 0, 0, .28); transform: translateY(8px); transition: transform .12s ease; }
.zibll-fast-iframe-modal.is-visible .zibll-fast-iframe-container { transform: translateY(0); }
.zibll-fast-iframe-header { min-height: 48px; padding: 0 12px 0 16px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex: 0 0 auto; background: #fff; border-bottom: 1px solid #e5e7eb; box-sizing: border-box; }
.zibll-fast-iframe-title, .zibll-fast-iframe-controls { display: flex; align-items: center; min-width: 0; }
.zibll-fast-iframe-title { gap: 9px; }
.zibll-fast-iframe-controls { gap: 4px; flex: 0 0 auto; }
.zibll-fast-iframe-favicon { width: 22px; height: 22px; flex: 0 0 auto; border-radius: 5px; object-fit: contain; }
.zibll-fast-iframe-name { overflow: hidden; color: #111827; font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.zibll-fast-iframe-control { width: 34px; height: 34px; padding: 0; display: inline-flex; align-items: center; justify-content: center; color: #4b5563; background: transparent; border: 0; border-radius: 6px; font: 20px/1 Arial, sans-serif; cursor: pointer; }
.zibll-fast-iframe-control:hover { color: #111827; background: #f3f4f6; }
.zibll-fast-iframe-control.is-close:hover { color: #b91c1c; background: #fee2e2; }
.zibll-fast-iframe-content { position: relative; min-height: 0; flex: 1 1 auto; background: #fff; }
.zibll-fast-iframe-frame { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #fff; opacity: 0; transition: opacity .1s linear; }
.zibll-fast-iframe-modal.is-loaded .zibll-fast-iframe-frame { opacity: 1; }
.zibll-fast-iframe-loading { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; color: #64748b; background: #f8fafc; font-size: 14px; }
.zibll-fast-iframe-modal.is-loaded .zibll-fast-iframe-loading { display: none; }
.zibll-fast-iframe-spinner { width: 30px; height: 30px; border: 3px solid #dbe3ef; border-top-color: #2563eb; border-radius: 50%; animation: zibll-fast-iframe-spin .65s linear infinite; }
.zibll-fast-iframe-modal.is-fullscreen { padding: 0; }
.zibll-fast-iframe-modal.is-fullscreen .zibll-fast-iframe-container { max-width: none; height: 100vh; border-radius: 0; }
@keyframes zibll-fast-iframe-spin { to { transform: rotate(360deg); } }
.io-black-mode .zibll-fast-iframe-container, .io-black-mode .zibll-fast-iframe-header { background: #1f2937; }
.io-black-mode .zibll-fast-iframe-header { border-bottom-color: #374151; }
.io-black-mode .zibll-fast-iframe-name { color: #f3f4f6; }
.io-black-mode .zibll-fast-iframe-control { color: #d1d5db; }
.io-black-mode .zibll-fast-iframe-control:hover { color: #fff; background: #374151; }
@media (max-width: 782px) {
    .zibll-fast-iframe-modal { padding: 0; }
    .zibll-fast-iframe-container { max-width: none; height: 100vh; border-radius: 0; }
    .zibll-fast-iframe-header { padding-left: 10px; gap: 8px; }
    .zibll-fast-iframe-control { width: 32px; height: 32px; }
}