.gfgoai-ytseo{--g:#0f172a;--m:#2563eb;--b:#e5e7eb;--bg:#f8fafc;--ok:#16a34a;--warn:#f59e0b;--bad:#ef4444;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans TC",Arial,sans-serif;color:var(--g);max-width:1180px;margin:0 auto;padding:18px}.gfgoai-ytseo *{box-sizing:border-box}.gfgoai-ytseo-hero{display:flex;justify-content:space-between;gap:18px;align-items:stretch;background:linear-gradient(135deg,#0f172a,#1e3a8a);color:white;border-radius:24px;padding:28px;margin-bottom:18px;box-shadow:0 18px 45px rgba(15,23,42,.16)}.gfgoai-ytseo-kicker{font-size:13px;letter-spacing:.08em;text-transform:uppercase;opacity:.85}.gfgoai-ytseo h1{font-size:30px;line-height:1.25;margin:8px 0 10px}.gfgoai-ytseo h2{font-size:20px;margin:0 0 16px}.gfgoai-ytseo h3{font-size:18px;margin:0 0 12px}.gfgoai-ytseo-hero p{margin:0;opacity:.9;max-width:760px}.gfgoai-ytseo-status{min-width:180px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:18px;padding:16px;display:flex;align-items:center;justify-content:center;text-align:center}.gfgoai-ytseo-login{color:#fff;text-decoration:underline}.gfgoai-ytseo-grid,.gfgoai-result-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.gfgoai-ytseo-card,.gfgoai-ytseo-result section,.gfgoai-copy-block{background:white;border:1px solid var(--b);border-radius:20px;padding:18px;box-shadow:0 10px 24px rgba(15,23,42,.06)}.gfgoai-ytseo label{display:block;font-weight:650;margin-bottom:14px}.gfgoai-ytseo input[type=text],.gfgoai-ytseo input[type=url],.gfgoai-ytseo input[type=file],.gfgoai-ytseo textarea,.gfgoai-ytseo select{width:100%;margin-top:7px;border:1px solid #cbd5e1;border-radius:14px;padding:12px;font:inherit;background:#fff}.gfgoai-ytseo textarea{resize:vertical}.gfgoai-ytseo-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.gfgoai-ytseo-thumb-preview{min-height:180px;border:2px dashed #cbd5e1;border-radius:18px;background:var(--bg);display:flex;align-items:center;justify-content:center;color:#64748b;margin:8px 0 16px;overflow:hidden}.gfgoai-ytseo-thumb-preview img{max-width:100%;display:block}.gfgoai-ytseo-options{position:sticky;bottom:10px;z-index:2;background:rgba(255,255,255,.95);border:1px solid var(--b);border-radius:20px;margin:18px 0;padding:14px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;box-shadow:0 14px 35px rgba(15,23,42,.11);backdrop-filter:blur(8px)}.gfgoai-ytseo-options label{margin:0}.gfgoai-ytseo-submit,.gfgoai-button,.gfgoai-ytseo button{border:0;border-radius:999px;background:var(--m);color:white;padding:11px 18px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block}.gfgoai-ytseo button[data-copy],.gfgoai-share button{background:#0f172a;padding:8px 12px;font-size:13px}.gfgoai-ytseo-loading{display:flex;gap:12px;align-items:center;background:#fff7ed;border:1px solid #fed7aa;border-radius:18px;padding:16px;margin:14px 0}.gfgoai-ytseo-spinner{width:22px;height:22px;border:3px solid #fed7aa;border-top-color:#f97316;border-radius:50%;animation:gfspin 1s linear infinite}@keyframes gfspin{to{transform:rotate(360deg)}}.gfgoai-ytseo-result{display:grid;gap:18px;margin-top:18px}.gfgoai-score-card{display:flex;gap:20px;align-items:center;background:white;border:1px solid var(--b);border-radius:24px;padding:22px;box-shadow:0 12px 30px rgba(15,23,42,.08)}.gfgoai-score-card div{width:132px;height:132px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#eff6ff;flex:0 0 auto}.gfgoai-score-card span{font-size:14px;color:#64748b}.gfgoai-score-card strong{font-size:46px;line-height:1}.gfgoai-score-card.good div{background:#dcfce7}.gfgoai-score-card.ok div{background:#e0f2fe}.gfgoai-score-card.warn div{background:#fef3c7}.gfgoai-score-card.bad div{background:#fee2e2}.gfgoai-score-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.gfgoai-mini-score{position:relative;overflow:hidden;border:1px solid var(--b);background:#fff;border-radius:16px;padding:14px}.gfgoai-mini-score span{display:block;font-size:13px;color:#64748b}.gfgoai-mini-score b{font-size:28px}.gfgoai-mini-score i{position:absolute;left:0;bottom:0;height:4px;background:var(--m)}.gfgoai-mini-score.good i{background:var(--ok)}.gfgoai-mini-score.warn i{background:var(--warn)}.gfgoai-mini-score.bad i{background:var(--bad)}.gfgoai-ytseo-result ul{margin:0;padding-left:20px}.gfgoai-ytseo-result li{margin:7px 0}.gfgoai-advice{background:#f8fafc;border-radius:14px;padding:14px;line-height:1.8}.gfgoai-copy-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.gfgoai-copy-block pre{white-space:pre-wrap;background:#f8fafc;border-radius:14px;padding:14px;margin:0;line-height:1.7;font-family:inherit}.gfgoai-tags{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 12px}.gfgoai-tags span{background:#eef2ff;color:#3730a3;border-radius:999px;padding:7px 11px;font-size:13px}.gfgoai-alert,.gfgoai-error{border-radius:16px;padding:14px;background:#fff7ed;border:1px solid #fed7aa}.gfgoai-error{background:#fef2f2;border-color:#fecaca;color:#991b1b}.gfgoai-billing,.gfgoai-ytseo-footer{font-size:13px;color:#64748b;text-align:center}.gfgoai-share{display:flex;gap:10px;align-items:center;flex-wrap:wrap;background:#f8fafc;border:1px solid var(--b);border-radius:18px;padding:14px}.gfgoai-share a{background:#111827;color:white;text-decoration:none;border-radius:999px;padding:8px 12px;font-size:13px}.gfgoai-ytseo-disabled{padding:20px;background:#fef2f2;border:1px solid #fecaca;border-radius:12px}.gfgoai-admin-wrap input[type=number]{width:90px}@media(max-width:800px){.gfgoai-ytseo{padding:10px}.gfgoai-ytseo-hero{display:block;padding:20px}.gfgoai-ytseo h1{font-size:24px}.gfgoai-ytseo-grid,.gfgoai-result-grid,.gfgoai-ytseo-row{grid-template-columns:1fr}.gfgoai-score-grid{grid-template-columns:1fr 1fr}.gfgoai-score-card{align-items:flex-start}.gfgoai-score-card div{width:100px;height:100px}.gfgoai-score-card strong{font-size:36px}.gfgoai-ytseo-options{position:static}}
.gfgoai-ytseo [hidden], .gfgoai-ytseo-loading[hidden], .gfgoai-ytseo-result[hidden]{display:none!important;}
.gfgoai-ytseo-submit:disabled{opacity:.65;cursor:wait;}
.gfgoai-share-preview{background:white;border:1px solid var(--b);border-radius:20px;padding:18px;box-shadow:0 10px 24px rgba(15,23,42,.06)}.gfgoai-share-preview-card{display:grid;grid-template-columns:280px 1fr;gap:16px;align-items:stretch;background:#f8fafc;border:1px solid #e5e7eb;border-radius:18px;padding:14px}.gfgoai-share-preview-img{border-radius:14px;background:#e2e8f0;overflow:hidden;min-height:158px;display:flex;align-items:center;justify-content:center;color:#64748b;font-weight:700}.gfgoai-share-preview-img img{width:100%;height:100%;object-fit:cover;display:block}.gfgoai-share-preview-body{display:flex;flex-direction:column;justify-content:center;gap:10px}.gfgoai-share-preview-body strong{font-size:18px;line-height:1.4}.gfgoai-share-preview-body p{margin:0;line-height:1.75;color:#334155}.gfgoai-share-buttons{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px}.gfgoai-share-buttons a,.gfgoai-share-buttons button{background:#0f172a!important;color:#fff!important;text-decoration:none;border-radius:999px;padding:9px 13px;font-size:13px;border:0;cursor:pointer}.gfgoai-advice.small{font-size:13px;margin-top:12px;line-height:1.65}@media(max-width:800px){.gfgoai-share-preview-card{grid-template-columns:1fr}.gfgoai-share-preview-img{min-height:190px}}

.gfgoai-temp-control{display:flex!important;align-items:center;gap:8px;flex-wrap:wrap;background:#f8fafc;border:1px solid #e5e7eb;border-radius:16px;padding:10px 12px}.gfgoai-temp-control select{width:auto!important;margin-top:0!important;padding:8px 10px!important;border-radius:12px!important}.gfgoai-temp-control span{font-size:12px;color:#64748b;font-weight:500;max-width:380px}.gfgoai-share-preview{order:2}
.gfgoai-share-note{margin:-4px 0 12px;color:#64748b;font-size:13px;line-height:1.6}.gfgoai-mini-score span{font-weight:650}
.gfgoai-thumb-prompt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.gfgoai-thumb-prompt{background:#f8fafc;border:1px solid #e5e7eb;border-radius:16px;padding:14px;line-height:1.7}.gfgoai-thumb-prompt p{margin:0;color:#334155}.gfgoai-thumb-prompt .gfgoai-copy-head{margin-bottom:8px}@media(max-width:900px){.gfgoai-thumb-prompt-grid{grid-template-columns:1fr}}

.gfgoai-weight-note{background:#f8fafc;border:1px solid #e5e7eb;border-radius:16px;padding:12px 14px;color:#475569;font-size:13px;line-height:1.6}.gfgoai-share-controls{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:0 0 12px}.gfgoai-share-controls label{margin:0!important;font-size:13px;color:#475569}.gfgoai-share-controls select,.gfgoai-share-controls input{margin-top:5px!important}.gfgoai-share-edit{width:100%;border:1px solid #cbd5e1;border-radius:14px;padding:12px;font:inherit;line-height:1.65;background:white;resize:vertical}.gfgoai-share-preview-body small{color:#64748b}.gfgoai-share-preview-img[data-ratio="wide"]{aspect-ratio:16/9;min-height:auto}.gfgoai-share-preview-img[data-ratio="square"]{aspect-ratio:1/1;min-height:auto}.gfgoai-share-preview-img[data-ratio="portrait"]{aspect-ratio:4/5;min-height:auto}.gfgoai-share-preview-img[data-ratio="story"]{aspect-ratio:9/16;min-height:auto;max-height:360px}.gfgoai-share-buttons button{font-size:14px!important;padding:10px 16px!important}

.gfgoai-share-platform-note{margin:12px 0 0;color:#64748b;font-size:14px;line-height:1.6}
/* v1.0.10 header refinement */
.gfgoai-ytseo-hero h1{font-size:34px;margin:0 0 8px;line-height:1.18}
.gfgoai-ytseo-subtitle{font-size:18px!important;font-weight:700;opacity:.95;margin:0 0 8px!important}
.gfgoai-ytseo-status .gfgoai-ytseo-login{display:inline-block;background:#fff;color:#0f172a!important;text-decoration:none;border-radius:999px;padding:10px 18px;font-weight:800}
.gfgoai-ytseo-status span{font-weight:700;color:#fff}
@media(max-width:800px){.gfgoai-ytseo-hero h1{font-size:26px}.gfgoai-ytseo-subtitle{font-size:16px!important}}
/* v1.1.0 YouTube authorization and auto-fill */
.gfgoai-youtube-import{background:#fff;border:1px solid var(--b);border-radius:22px;padding:18px;margin:0 0 18px;box-shadow:0 10px 24px rgba(15,23,42,.06)}
.gfgoai-youtube-import-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
.gfgoai-youtube-import-head h2{margin:0 0 6px}.gfgoai-youtube-import-head p{margin:0;color:#475569;line-height:1.65}
.gfgoai-youtube-import-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;min-width:260px}.gfgoai-youtube-import-actions .ghost{background:#64748b!important}
.gfgoai-youtube-import-status{margin-top:14px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:16px;padding:12px 14px;color:#475569;line-height:1.6}.gfgoai-youtube-import-status.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.gfgoai-youtube-video-picker{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-top:14px}.gfgoai-youtube-video-picker label{flex:1;min-width:260px;margin:0}.gfgoai-youtube-video-picker select{margin-top:6px!important}
.gfgoai-youtube-video-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.gfgoai-youtube-video-item{display:grid;grid-template-columns:96px 1fr;gap:10px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:14px;padding:10px;align-items:center}.gfgoai-youtube-video-item img{width:96px;aspect-ratio:16/9;object-fit:cover;border-radius:10px;background:#e2e8f0}.gfgoai-youtube-video-item strong{display:block;font-size:13px;line-height:1.35;max-height:38px;overflow:hidden}.gfgoai-youtube-video-item span{display:block;color:#64748b;font-size:12px;margin-top:4px}
@media(max-width:900px){.gfgoai-youtube-import-head{display:block}.gfgoai-youtube-import-actions{margin-top:12px;justify-content:flex-start}.gfgoai-youtube-video-list{grid-template-columns:1fr}.gfgoai-youtube-video-picker{display:block}.gfgoai-youtube-video-picker button{margin-top:10px}}
.gfgoai-youtube-video-controls{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-top:14px;padding:12px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:16px}
.gfgoai-youtube-video-controls label{margin:0;min-width:220px;flex:1}.gfgoai-youtube-video-controls select{margin-top:6px!important}.gfgoai-youtube-video-controls .ghost{background:#64748b!important}
.gfgoai-youtube-hint{color:#64748b;font-size:13px;align-self:center}.gfgoai-youtube-video-item{border:1px solid #e5e7eb;cursor:pointer;text-align:left;width:100%;font-family:inherit;color:inherit}.gfgoai-youtube-video-item:hover,.gfgoai-youtube-video-item.active{border-color:#2563eb;background:#eff6ff;box-shadow:0 8px 18px rgba(37,99,235,.12)}
@media(max-width:900px){.gfgoai-youtube-video-controls{display:block}.gfgoai-youtube-video-controls label,.gfgoai-youtube-video-controls button{display:block;width:100%;margin-top:10px}}
/* v1.1.4 result actions and compact share preview */
.gfgoai-apply-list{list-style:none!important;margin:0!important;padding:0!important;display:grid;gap:10px}.gfgoai-apply-list li{display:flex;justify-content:space-between;gap:12px;align-items:center;background:#f8fafc;border-radius:14px;padding:10px 12px}.gfgoai-apply-list span{line-height:1.55}.gfgoai-copy-head span{display:flex;gap:8px;align-items:center}.gfgoai-share-card{display:grid;grid-template-columns:minmax(120px,25%) 1fr;gap:16px;align-items:start;background:#f8fafc;border:1px solid #e5e7eb;border-radius:18px;padding:14px}.gfgoai-share-card .gfgoai-share-preview-img{width:100%;min-height:auto}.gfgoai-share-tools{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:10px}.gfgoai-share-tools label{margin:0!important;font-size:13px;color:#475569}.gfgoai-thumb-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.gfgoai-thumb-actions .gfgoai-button{background:#0f172a;color:#fff!important;border-radius:999px;padding:10px 16px;font-weight:700}.gfgoai-thumb-prompt-grid[hidden]{display:none!important}@media(max-width:800px){.gfgoai-share-card{grid-template-columns:1fr}.gfgoai-apply-list li{display:block}.gfgoai-apply-list button{margin-top:8px}}
/* v1.1.7 OAuth completion modal and custom share page support */
.gfgoai-yt-modal{position:fixed;inset:0;z-index:99999;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;padding:20px}.gfgoai-yt-modal-box{position:relative;background:#fff;border-radius:24px;padding:28px;max-width:460px;width:100%;box-shadow:0 24px 70px rgba(15,23,42,.28);text-align:center}.gfgoai-yt-modal-box h3{font-size:24px;margin:0 0 12px}.gfgoai-yt-modal-box p{color:#475569;line-height:1.7;margin:0 0 18px}.gfgoai-yt-modal-close{position:absolute;right:14px;top:12px;background:#e5e7eb!important;color:#0f172a!important;width:34px;height:34px;border-radius:50%;padding:0!important;font-size:24px;line-height:1}.gfgoai-yt-modal-load{background:#2563eb!important;color:#fff!important;border-radius:999px;padding:12px 20px!important;font-weight:800!important}

/* v1.1.8 simplified optimizer and cleaner video cards */
.gfgoai-youtube-video-item{
  background:#fff!important;
  color:#0f172a!important;
  border:1px solid #e2e8f0!important;
  box-shadow:none!important;
}
.gfgoai-youtube-video-item:hover,
.gfgoai-youtube-video-item:focus,
.gfgoai-youtube-video-item.active{
  background:#fff!important;
  border-color:#2563eb!important;
  box-shadow:0 0 0 3px rgba(37,99,235,.12)!important;
  outline:none!important;
}
.gfgoai-youtube-video-item strong{color:#0f172a!important;}
.gfgoai-youtube-video-item span{color:#64748b!important;}
.gfgoai-ytseo-options .gfgoai-ytseo-submit{font-size:16px!important;padding:13px 24px!important;}
.gfgoai-weight-note{background:#f8fafc;border:1px solid #e5e7eb;border-radius:16px;padding:12px 14px;color:#475569;font-size:13px;line-height:1.75}.gfgoai-weight-note strong{color:#0f172a}

.gfgoai-content-type-note{margin:14px 0;padding:12px 16px;border:1px solid #dbeafe;background:#f8fbff;border-radius:16px;color:#24324b;font-size:14px;}

/* v1.1.13 advisory clean-up notice */
.gfgoai-field-invalid{
  border-color:#f59e0b!important;
  box-shadow:0 0 0 3px rgba(245,158,11,.14)!important;
  background:#fffaf0!important;
}
.gfgoai-field-warning{
  margin-top:8px;
  color:#92400e;
  background:#fffbeb;
  border:1px solid #fde68a;
  border-radius:12px;
  padding:8px 10px;
  font-size:13px;
  line-height:1.55;
  font-weight:700;
}
.gfgoai-form-blocker{
  grid-column:1/-1;
  margin:16px 0 0;
  color:#92400e;
  background:#fffbeb;
  border:1px solid #fde68a;
  border-radius:16px;
  padding:12px 14px;
  font-weight:800;
  line-height:1.65;
}

/* v1.1.15 lower-weight tag display and bottom disclaimer */
.gfgoai-ytseo-bottom-note,
.gfgoai-result-note .gfgoai-advice{
  background:#f8fafc;
  border:1px solid #e5e7eb;
  border-radius:18px;
  padding:14px 16px;
  color:#475569;
  font-size:13px;
  line-height:1.75;
  margin:16px 0 0;
}
.gfgoai-ytseo-bottom-note strong{color:#0f172a}

/* v1.1.18 public YouTube URL loader */
.gfgoai-url-load-row{display:flex;gap:10px;align-items:center}.gfgoai-url-load-row input{flex:1}.gfgoai-url-load-row button{white-space:nowrap}.gfgoai-admin-wrap hr{border:0;border-top:1px solid #e5e7eb;margin:14px 0}@media(max-width:700px){.gfgoai-url-load-row{display:block}.gfgoai-url-load-row button{margin-top:8px;width:100%}}


/* v1.1.20 membership mode and compact title copy */
.gfgoai-title-option-line{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:14px;padding:12px 14px;margin:10px 0;line-height:1.65}
.gfgoai-title-option-text{flex:1;white-space:pre-wrap;font-weight:650;color:#0f172a}
.gfgoai-title-option-line button{background:#0f172a!important;color:#fff!important;border-radius:999px;padding:7px 12px!important;font-size:13px!important;white-space:nowrap}
.gfgoai-membership-hint{color:#64748b;font-size:13px;font-weight:700}
.gfgoai-ytseo-score-submit{background:#0f172a!important}.gfgoai-ytseo-optimize-submit{background:#2563eb!important}
.gfgoai-member-modal{position:fixed;inset:0;z-index:99999;background:rgba(15,23,42,.58);display:flex;align-items:center;justify-content:center;padding:20px}.gfgoai-member-modal-box{position:relative;background:#fff;border-radius:24px;padding:28px;max-width:500px;width:100%;box-shadow:0 24px 70px rgba(15,23,42,.28);text-align:left}.gfgoai-member-modal-box h3{font-size:24px;margin:0 0 12px}.gfgoai-member-modal-box p{color:#475569;line-height:1.75;margin:0 0 16px}.gfgoai-member-modal-close{position:absolute;right:14px;top:12px;background:#e5e7eb!important;color:#0f172a!important;width:34px;height:34px;border-radius:50%;padding:0!important;font-size:24px;line-height:1}.gfgoai-member-price{display:inline-block;background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe;border-radius:999px;padding:8px 14px;font-weight:800;margin-bottom:16px}.gfgoai-member-actions{display:flex;gap:10px;flex-wrap:wrap}.gfgoai-member-actions a{display:inline-block;text-decoration:none;background:#2563eb;color:#fff;border-radius:999px;padding:11px 18px;font-weight:800}.gfgoai-member-actions a.ghost{background:#0f172a;color:#fff}
@media(max-width:700px){.gfgoai-title-option-line{align-items:flex-start}.gfgoai-title-option-line button{margin-top:2px}.gfgoai-member-modal-box{padding:24px 20px}}

/* v1.1.24 front thumbnail editor shortcut */
.gfgoai-thumb-edit-row{display:flex;justify-content:flex-end;margin-top:-2px}
.gfgoai-thumb-edit-button{background:#0f172a!important;color:#fff!important;border-radius:999px;padding:11px 18px!important;font-weight:800;text-decoration:none!important}
@media(max-width:700px){.gfgoai-thumb-edit-row{justify-content:flex-start}.gfgoai-thumb-edit-button{width:100%;text-align:center}}