[data-tt-theme="light"]:root{--tt-bg: #ffffff;--tt-bg-secondary: #f9f9f9;--tt-text: #0f0f0f;--tt-text-secondary: #606060;--tt-border: #e5e5e5;--tt-chip-bg: #f2f2f2;--tt-chip-active: #0f0f0f;--tt-chip-active-text: #ffffff;--tt-nav-icon: #030303;--tt-search-bg: #f1f1f1;--tt-card-hover: rgba(0, 0, 0, 0.05);--tt-user-ring: #ff0033;--tt-meta: #606060}[data-tt-theme="dark"]:root{--tt-bg: #0f0f0f;--tt-bg-secondary: #212121;--tt-text: #f1f1f1;--tt-text-secondary: #aaaaaa;--tt-border: #303030;--tt-chip-bg: #272727;--tt-chip-active: #f1f1f1;--tt-chip-active-text: #0f0f0f;--tt-nav-icon: #f1f1f1;--tt-search-bg: #121212;--tt-card-hover: rgba(255, 255, 255, 0.06);--tt-user-ring: #3ea6ff;--tt-meta: #aaaaaa}html{box-sizing:border-box}*,*::before,*::after{box-sizing:inherit}body.thumbnail-tester-body{margin:0;min-height:100vh;font-family:"Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", 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.tt-app-chrome-logo{color:var(--tt-text-secondary)}.tt-app-chrome-logo{color:var(--tt-text)}.tt-app-chrome-sep{color:var(--tt-text-secondary);font-weight:400;-webkit-user-select:none;-moz-user-select:none;user-select:none}.tt-app-chrome-product{font-size:0.9rem;font-weight:500;color:var(--tt-text-secondary);line-height:1.3}@media (max-width: 480px){.tt-app-chrome-product{flex-basis:100%}}.tt-app-chrome-nav{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem 1rem;justify-content:flex-end}.tt-app-chrome-link{font-size:0.8125rem;font-weight:500;color:var(--tt-text-secondary);text-decoration:none;white-space:nowrap}.tt-app-chrome-link:hover{color:var(--tt-text);text-decoration:underline}.tt-app-chrome-link--btn{background:none;border:none;padding:0;cursor:pointer;font-family:inherit}.tt-skip{position:absolute;left:-9999px}.tt-topbar{position:sticky;top:0;z-index:100;display:flex;flex-wrap:wrap;align-items:center;gap:0.75rem;padding:0.5rem 1rem;background:var(--tt-bg);border-bottom:1px solid var(--tt-border)}@media (min-width: 768px){.tt-topbar{padding:0.5rem 1.5rem;gap:1.25rem}}.tt-dashboard-link{flex-shrink:0;font-size:0.8125rem;font-weight:500;color:var(--tt-text-secondary);text-decoration:none;white-space:nowrap}.tt-dashboard-link:hover{color:var(--tt-text);text-decoration:underline}.tt-logo{display:flex;align-items:center;gap:0.35rem;font-weight:700;font-size:1.1rem;color:var(--tt-text);text-decoration:none;flex-shrink:0}.tt-logo-badge{display:inline-block;padding:0.1rem 0.35rem;border-radius:4px;font-size:0.75rem;font-weight:700;color:#fff;background:#ff0000;letter-spacing:0.02em}.tt-search-wrap{flex:1;max-width:640px;margin:0 auto;display:flex;align-items:stretch;border:1px solid var(--tt-border);border-radius:40px 0 0 40px;overflow:hidden;background:var(--tt-search-bg)}@media (max-width: 480px){.tt-search-wrap{display:none}}.tt-search-wrap input{flex:1;border:none;background:transparent;padding:0.5rem 1rem;font-size:1rem;color:var(--tt-text);outline:none}.tt-search-btn{border:1px solid var(--tt-border);border-left:none;border-radius:0 40px 40px 0;padding:0 1.25rem;background:var(--tt-bg-secondary);color:var(--tt-text-secondary);cursor:default}.tt-actions{display:flex;align-items:center;gap:0.5rem;flex-shrink:0}.tt-icon-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;border-radius:50%;background:transparent;color:var(--tt-nav-icon);cursor:pointer}.tt-icon-btn:hover{background:var(--tt-card-hover)}.tt-icon-btn.is-active{background:var(--tt-card-hover);color:var(--tt-text)}.tt-icon-mobile{display:flex;align-items:center;justify-content:center;line-height:0}.tt-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg, #6366f1, #8b5cf6)}.tt-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem;padding:0.5rem 1rem 0.75rem;border-bottom:1px solid var(--tt-border);background:var(--tt-bg)}@media (min-width: 768px){.tt-toolbar{padding:0.5rem 1.5rem 0.75rem}}.tt-toolbar-inner{display:flex;gap:0.5rem;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:2px}.tt-toolbar-inner::-webkit-scrollbar{display:none}.tt-chip{flex-shrink:0;padding:0.45rem 0.75rem;border:none;border-radius:8px;font-size:0.875rem;font-weight:500;background:var(--tt-chip-bg);color:var(--tt-text);cursor:pointer;white-space:nowrap}.tt-chip:hover{background:var(--tt-card-hover)}.tt-chip.is-active{background:var(--tt-chip-active);color:var(--tt-chip-active-text)}.tt-dev-banner{display:flex;flex-wrap:wrap;align-items:center;gap:0.75rem;padding:0.65rem 1rem;font-size:0.8125rem;color:var(--tt-text-secondary);background:var(--tt-bg-secondary);border-bottom:1px solid var(--tt-border)}.tt-dev-banner-details{position:relative;flex:0 0 auto}.tt-dev-banner-summary{list-style:none;display:flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;margin:0;padding:0;border:1px solid var(--tt-border);border-radius:50%;background:var(--tt-bg);color:var(--tt-text-secondary);cursor:pointer;font:inherit;line-height:1}.tt-dev-banner-summary::-webkit-details-marker{display:none}.tt-dev-banner-summary:hover{background:var(--tt-card-hover);color:var(--tt-text)}.tt-dev-banner-summary:focus-visible{outline:2px solid #1a73e8;outline-offset:2px}.tt-dev-banner-icon{display:block;font-size:0.75rem;font-weight:700;font-style:italic;line-height:1}.tt-dev-banner-panel{position:absolute;left:0;top:calc(100% + 0.4rem);z-index:60;width:-moz-max-content;width:max-content;max-width:calc(100vw - 2rem);padding:0.65rem 0.75rem;font-size:0.8125rem;line-height:1.45;color:var(--tt-text);background:var(--tt-bg);border:1px solid var(--tt-border);border-radius:8px;box-shadow:0 8px 28px rgba(0,0,0,0.12)}@media (min-width: 25rem){.tt-dev-banner-panel{max-width:22rem}}[data-tt-theme="dark"]:root .tt-dev-banner-panel{box-shadow:0 8px 32px rgba(0,0,0,0.45)}@media (min-width: 768px){.tt-dev-banner{padding:0.65rem 1.5rem}}.tt-dev-actions{display:flex;flex-wrap:wrap;gap:0.5rem;margin-left:auto;align-items:center}.tt-variant-nav{display:inline-flex;align-items:stretch;border:1px solid var(--tt-border);border-radius:999px;overflow:hidden;background:var(--tt-bg)}.tt-variant-nav-btn{width:2rem;height:2rem;min-width:2rem;border-radius:0;font-size:1.15rem;font-weight:600;line-height:1}.tt-variant-nav-btn+.tt-variant-nav-btn{border-left:1px solid var(--tt-border)}.tt-variant-nav-btn:disabled{opacity:0.45;cursor:not-allowed}.tt-btn{display:inline-flex;align-items:center;justify-content:center;gap:0.35rem;padding:0.45rem 0.85rem;border:1px solid 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rgba(0,0,0,0.06)}.tt-switch-track::after{content:"";position:absolute;top:0.2rem;left:0.2rem;width:1.1rem;height:1.1rem;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,0.2);transition:transform 0.2s ease}.tt-switch-input:checked+.tt-switch-track{background:var(--tt-text)}.tt-switch-input:checked+.tt-switch-track::after{transform:translateX(1.2rem)}.tt-switch-input:focus-visible+.tt-switch-track{outline:2px solid var(--tt-user-ring);outline-offset:2px}[data-tt-theme="dark"]:root .tt-switch-track::after{background:var(--tt-bg-secondary)}.tt-main{padding:1rem 1rem 2rem}@media (min-width: 768px){.tt-main{padding:1rem 1.5rem 2.5rem}}.tt-grid{display:grid;grid-template-columns:1fr;gap:1rem 0.75rem}@media (min-width: 600px){.tt-grid{grid-template-columns:repeat(2, 1fr);gap:1.25rem 1rem}}@media (min-width: 1000px){.tt-grid{grid-template-columns:repeat(3, 1fr)}}@media (min-width: 1280px){.tt-grid{grid-template-columns:repeat(4, 1fr);gap:2rem 1rem}}.tt-card{cursor:default}.tt-card-thumb-wrap{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16 / 9;background:var(--tt-bg-secondary)}.tt-card-thumb-wrap img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block;vertical-align:middle}.tt-card-thumb-btn{display:block;width:100%;height:100%;padding:0;margin:0;border:none;background:transparent;cursor:zoom-in;border-radius:12px;line-height:0}.tt-card-thumb-btn:hover img{opacity:0.96}.tt-card-thumb-btn:focus-visible{outline:2px solid #1a73e8;outline-offset:2px}.tt-card-thumb-empty{width:100%;height:100%;min-height:4rem;background:var(--tt-bg-secondary)}.tt-card.is-user .tt-card-thumb-wrap{box-shadow:0 0 0 3px var(--tt-user-ring)}.tt-badge-duration{position:absolute;bottom:8px;right:8px;z-index:2;padding:2px 6px;border-radius:4px;font-size:0.75rem;font-weight:500;color:#fff;background:rgba(0,0,0,0.8)}.tt-badge-live{position:absolute;bottom:8px;right:8px;z-index:2;padding:2px 6px;border-radius:4px;font-size:0.75rem;font-weight:700;color:#fff;background:#cc0000}.tt-thumb-modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem;box-sizing:border-box}.tt-thumb-modal[hidden]{display:none !important}.tt-thumb-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.82)}.tt-thumb-modal-panel{position:relative;z-index:1;width:95vw;max-width:1100px;max-height:92vh;overflow:auto;background:var(--tt-bg);border-radius:12px;border:1px solid var(--tt-border);box-shadow:0 12px 48px rgba(0,0,0,0.45);padding:0.75rem 1rem 1rem}.tt-thumb-modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:0.75rem;margin-bottom:0.5rem}.tt-thumb-modal-title{margin:0;font-size:1rem;font-weight:600;line-height:1.3;color:var(--tt-text)}.tt-thumb-modal-close{flex-shrink:0;width:2.25rem;height:2.25rem;margin:0;padding:0;border:none;border-radius:8px;background:var(--tt-bg-secondary);color:var(--tt-text);font-size:1.35rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}.tt-thumb-modal-close:hover{background:var(--tt-border)}.tt-thumb-modal-close:focus-visible{outline:2px solid #1a73e8;outline-offset:2px}.tt-thumb-modal-img-btn{display:block;width:100%;padding:0;margin:0;border:none;background:transparent;cursor:zoom-in;border-radius:8px;overflow:hidden;line-height:0}.tt-thumb-modal-img-btn:focus-visible{outline:2px solid #1a73e8;outline-offset:2px}.tt-thumb-modal-img{width:100%;height:auto;max-height:78vh;-o-object-fit:contain;object-fit:contain;display:block;background:#000}@media (min-height: 1154px){.tt-thumb-modal-img{max-height:900px}}.tt-thumb-modal-footer{margin-top:0.75rem;display:flex;flex-direction:column;align-items:center;gap:0.65rem}.tt-thumb-modal-youtube-row{width:100%;display:flex;justify-content:center}.tt-thumb-modal-youtube-row[hidden]{display:none !important}.tt-thumb-modal-youtube-btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;min-height:2.5rem;padding:0.5rem 1.15rem;border-radius:10px;font-size:0.9375rem;font-weight:600;text-decoration:none;color:#fff;background:#ff0000;border:none;cursor:pointer;box-shadow:0 2px 8px rgba(255,0,0,0.35);transition:filter 0.15s ease, transform 0.15s ease}.tt-thumb-modal-youtube-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}.tt-thumb-modal-youtube-btn:focus-visible{outline:2px solid #ff0000;outline-offset:3px}.tt-thumb-modal-youtube-icon{display:flex;flex-shrink:0;opacity:0.95}.tt-thumb-modal-youtube-label{white-space:nowrap}.tt-thumb-modal-hint{margin:0;font-size:0.875rem;line-height:1.4;text-align:center;max-width:36rem}.tt-card-meta{display:flex;gap:0.75rem;margin-top:0.65rem;padding-right:0.25rem}.tt-channel-avatar{width:36px;height:36px;border-radius:50%;flex-shrink:0;-o-object-fit:cover;object-fit:cover;background:var(--tt-bg-secondary)}.tt-card-text{min-width:0;flex:1}.tt-card-title{margin:0 0 0.2rem;font-size:0.95rem;font-weight:500;line-height:1.35;color:var(--tt-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tt-card-title-link{color:inherit;text-decoration:none}.tt-card-title-link:hover{text-decoration:underline;color:#1a73e8}[data-tt-theme="dark"]:root .tt-card-title-link:hover{color:#8ab4f8}.tt-card-title-link:focus-visible{outline:2px solid #1a73e8;outline-offset:2px;border-radius:2px}.tt-card-channel{margin:0;font-size:0.8125rem;color:var(--tt-meta);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tt-card-views{margin:0.15rem 0 0;font-size:0.8125rem;color:var(--tt-meta)}.tt-index-hero{max-width:640px;margin:0 auto;padding:2.5rem 1rem 3rem;text-align:center}.tt-index-hero h1{margin:0 0 0.75rem;font-size:1.75rem;font-weight:600;letter-spacing:-0.02em;color:var(--tt-text)}.tt-index-hero p{margin:0 0 1.5rem;color:var(--tt-text-secondary);line-height:1.55}.tt-index-hero>p:first-of-type{color:var(--tt-text)}[data-tt-theme="dark"]:root .tt-index-hero .tt-muted{color:#c8c8c8}.tt-index-actions{display:flex;flex-direction:column;gap:0.75rem;align-items:stretch}@media (min-width: 480px){.tt-index-actions{flex-direction:row;justify-content:center}}.tt-muted{color:var(--tt-text-secondary);font-size:0.875rem}.thumbnail-tester-body code{font-size:0.85em;padding:0.1rem 0.3rem;border-radius:4px;background:var(--tt-bg-secondary);color:var(--tt-text)}.tt-flash{margin:0;padding:0.75rem 1rem;font-size:0.875rem;border-bottom:1px solid var(--tt-border)}.tt-flash-notice{background:rgba(46,160,67,0.15);color:var(--tt-text)}.tt-flash-alert{background:rgba(248,81,73,0.15);color:var(--tt-text)}.tt-wizard{max-width:720px;margin:0 auto;padding-bottom:2rem}.tt-wizard-card{margin:0 1rem 1.5rem;padding:1.25rem;border:1px solid var(--tt-border);border-radius:12px;background:var(--tt-bg)}@media (min-width: 768px){.tt-wizard-card{margin:0 auto 1.5rem;padding:1.5rem}}.tt-wizard-steps{display:flex;flex-wrap:wrap;gap:0.5rem;margin-bottom:1.25rem}.tt-step-badge{font-size:0.75rem;font-weight:500;padding:0.25rem 0.5rem;border-radius:6px;background:var(--tt-chip-bg);color:var(--tt-text-secondary)}.tt-step-badge.is-active{background:var(--tt-text);color:var(--tt-bg)}.tt-wizard-heading{margin:0 0 0.5rem;font-size:1.125rem;font-weight:600}.tt-wizard-panel{margin-top:0.5rem}.tt-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border:0}.tt-drop-zone{margin:0.75rem 0 1rem;border:2px dashed var(--tt-border);border-radius:16px;background:var(--tt-bg-secondary);transition:border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease}.tt-drop-zone:hover,.tt-drop-zone:focus-within{border-color:var(--tt-text-secondary)}.tt-drop-zone--active{border-color:#1a73e8;background:rgba(26,115,232,0.06);box-shadow:inset 0 0 0 1px rgba(26,115,232,0.25)}[data-tt-theme="dark"]:root .tt-drop-zone--active{border-color:#8ab4f8;background:rgba(138,180,248,0.08);box-shadow:inset 0 0 0 1px rgba(138,180,248,0.2)}.tt-drop-zone-inner{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0.5rem;min-height:clamp(11rem, 28vw, 14rem);padding:1.5rem 1.25rem;text-align:center;cursor:pointer}.tt-drop-zone-icon{display:flex;align-items:center;justify-content:center;margin-bottom:0.25rem;color:var(--tt-text-secondary)}.tt-drop-zone-svg{opacity:0.85}.tt-drop-zone-title{margin:0;font-size:1.05rem;font-weight:600;color:var(--tt-text);line-height:1.35;max-width:22rem}.tt-drop-zone-sub{margin:0;font-size:0.875rem;line-height:1.4;max-width:26rem}.tt-drop-zone-browse{margin-top:0.35rem}.tt-file-input{display:block;width:100%;max-width:100%;margin:0.75rem 0;font-size:0.875rem}.tt-upload-status{min-height:1.25rem;margin:0.75rem 0 0;font-size:0.875rem;color:var(--tt-text-secondary)}.tt-wizard-actions{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:1rem;align-items:center}.tt-build-form{margin-top:0.5rem}.tt-fieldset{border:none;margin:0 0 1rem;padding:0}.tt-legend{font-weight:600;margin-bottom:0.5rem;padding:0}.tt-radio{display:flex;align-items:flex-start;gap:0.5rem;margin-bottom:0.5rem;cursor:pointer;font-size:0.9375rem;line-height:1.4}.tt-radio input{margin-top:0.2rem}.tt-panel{margin-bottom:1rem}.tt-label{display:block;font-size:0.8125rem;font-weight:500;margin-bottom:0.35rem;color:var(--tt-text)}.tt-hint{margin:0 0 0.5rem;font-size:0.8125rem;color:var(--tt-text-secondary)}.tt-textarea,.tt-input,.tt-select{width:100%;max-width:100%;padding:0.5rem 0.65rem;border:1px solid var(--tt-border);border-radius:8px;font-size:0.9375rem;font-family:inherit;background:var(--tt-bg);color:var(--tt-text)}.tt-textarea{resize:vertical;min-height:120px}.tt-topic-history{margin-bottom:0.75rem}.tt-topic-history-heading{margin:0 0 0.35rem;font-size:0.8125rem;font-weight:500}.tt-topic-history-list{display:flex;flex-wrap:wrap;gap:0.4rem;align-items:stretch;margin:0;padding:0;list-style:none}.tt-topic-history-item{max-width:100%;min-width:0;overflow:hidden}.tt-topic-history-chip{display:inline-flex;align-items:center;max-width:22rem;min-width:0;padding:0.35rem 0.65rem;border:1px solid var(--tt-border);border-radius:999px;background:var(--tt-bg);color:var(--tt-text);font-size:0.8125rem;line-height:1.3;text-align:left;cursor:pointer}.tt-topic-history-chip-text{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.tt-topic-history-chip:hover{border-color:var(--tt-accent, #1a73e8);color:var(--tt-text)}.tt-index-foot{text-align:center;padding:0 1rem 2rem;max-width:560px;margin:0 auto}.tt-inline-link{color:#1a73e8;text-decoration:none}[data-tt-theme="dark"]:root .tt-inline-link{color:#8ab4f8}.tt-inline-link:hover{text-decoration:underline}button.tt-inline-link{display:inline;padding:0;border:none;background:none;font:inherit;cursor:pointer;text-decoration:none}button.tt-inline-link:hover{text-decoration:underline}.tt-how-modal{width:calc(100vw - 2rem);max-width:32rem;padding:0;border:1px solid var(--tt-border);border-radius:12px;background:var(--tt-bg);color:var(--tt-text);box-shadow:0 24px 60px rgba(0,0,0,0.35)}.tt-how-modal::backdrop{background:rgba(0,0,0,0.5)}.tt-how-modal-panel{padding:0}.tt-how-modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:0.75rem;padding:1.1rem 1.25rem 0.75rem;border-bottom:1px solid var(--tt-border)}.tt-how-modal-title{margin:0;font-size:1.15rem;font-weight:600;line-height:1.3;color:var(--tt-text)}.tt-how-modal-close{flex-shrink:0;width:2rem;height:2rem;margin:-0.2rem -0.25rem 0 0;padding:0;border:none;border-radius:8px;background:transparent;color:var(--tt-text-secondary);font-size:1.5rem;line-height:1;cursor:pointer}.tt-how-modal-close:hover{background:var(--tt-card-hover);color:var(--tt-text)}.tt-how-modal-body{padding:1rem 1.25rem 1.35rem;font-size:0.9rem;line-height:1.55;color:var(--tt-text)}.tt-how-modal-body p{margin:0 0 0.85rem;color:var(--tt-text-secondary)}.tt-how-modal-body p strong{color:var(--tt-text)}.tt-how-modal-list{margin:0 0 0.25rem;padding-left:1.2rem;color:var(--tt-text-secondary)}.tt-how-modal-list li{margin-bottom:0.5rem}.tt-how-modal-list strong{color:var(--tt-text)}.tt-btn-link{display:inline;padding:0;border:none;background:none;color:#1a73e8;font:inherit;cursor:pointer;text-decoration:underline}[data-tt-theme="dark"]:root .tt-btn-link{color:#8ab4f8}.tt-feed-mount{margin:1.5rem 0 2rem;padding-bottom:2rem}.tt-preview-row{display:flex;flex-wrap:nowrap;gap:0.75rem;overflow-x:auto;padding:0.75rem 0;-webkit-overflow-scrolling:touch}.tt-preview-row--step1{margin-top:0.25rem;padding-top:0.5rem;border-top:1px solid var(--tt-border)}.tt-preview-item{flex:0 0 auto;border-radius:10px;overflow:hidden;border:1px solid var(--tt-border);background:var(--tt-bg-secondary)}.tt-preview-item--removable{position:relative;overflow:visible}.tt-preview-item--removable .tt-preview-remove{position:absolute;top:6px;right:6px;z-index:2;width:28px;height:28px;margin:0;padding:0;border:none;border-radius:50%;background:rgba(0,0,0,0.58);color:#fff;font-size:1.25rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 4px rgba(0,0,0,0.35);transition:background 0.15s ease, transform 0.1s ease}.tt-preview-item--removable .tt-preview-remove:hover{background:rgba(0,0,0,0.82)}.tt-preview-item--removable .tt-preview-remove:focus-visible{outline:2px solid #1a73e8;outline-offset:2px}[data-tt-theme="dark"]:root .tt-preview-item--removable .tt-preview-remove{background:rgba(0,0,0,0.55);color:#f1f1f1}[data-tt-theme="dark"]:root .tt-preview-item--removable .tt-preview-remove:hover{background:rgba(0,0,0,0.8)}.tt-preview-item img{display:block;width:160px;height:90px;-o-object-fit:cover;object-fit:cover;border-radius:9px}.tt-opponent-list{display:flex;flex-direction:column;gap:0.5rem;margin:1rem 0;max-height:420px;overflow-y:auto}.tt-opponent-list[aria-busy="true"]{min-height:5.5rem}.tt-opponent-loading-inner{display:flex;align-items:center;justify-content:center;gap:0.75rem;padding:1.5rem 1rem;background:var(--tt-bg-secondary);border:1px dashed var(--tt-border);border-radius:10px}.tt-opponent-loading-text{font-size:0.9rem;color:var(--tt-text-secondary)}.tt-spinner{flex-shrink:0;width:1.4rem;height:1.4rem;border:2px solid var(--tt-border);border-top-color:var(--tt-text);border-radius:50%;animation:tt-spinner-rotate 0.65s linear infinite}@keyframes tt-spinner-rotate{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.tt-spinner{animation:none;border-color:var(--tt-text-secondary);opacity:0.85}}.tt-opponent-row{display:flex;align-items:center;gap:0.75rem;padding:0.5rem 0.65rem;border:1px solid var(--tt-border);border-radius:10px;cursor:pointer;background:var(--tt-bg)}.tt-opponent-row:hover{background:var(--tt-bg-secondary)}.tt-opponent-row input[type="checkbox"]{flex-shrink:0;width:1.1rem;height:1.1rem}.tt-opponent-thumb{flex-shrink:0;width:120px;height:68px;border-radius:8px;-o-object-fit:cover;object-fit:cover;background:var(--tt-bg-secondary)}.tt-opponent-text{display:flex;flex-direction:column;gap:0.2rem;min-width:0}.tt-opponent-title{font-size:0.875rem;font-weight:500;color:var(--tt-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tt-opponent-meta{font-size:0.8125rem;color:var(--tt-text-secondary)}.tt-inline-fields{display:flex;flex-wrap:wrap;gap:0.5rem;align-items:center}.tt-inline-fields .tt-input{flex:1;min-width:200px}.tt-discover-status{margin-top:0.5rem;line-height:1.45}.tt-custom-video{margin-top:1rem}.tt-custom-url-feedback{display:flex;align-items:flex-start;gap:0.5rem;margin-top:0.65rem;padding:0.55rem 0.75rem;border-radius:8px;font-size:0.875rem;line-height:1.45}.tt-custom-url-feedback[hidden]{display:none !important}.tt-custom-url-feedback--loading{background:var(--tt-bg-secondary);border:1px solid var(--tt-border);color:var(--tt-text-secondary)}.tt-custom-url-feedback--success{background:rgba(46,125,50,0.1);border:1px solid rgba(46,125,50,0.4);color:var(--tt-text)}.tt-custom-url-feedback--error{background:rgba(198,40,40,0.08);border:1px solid rgba(198,40,40,0.35);color:var(--tt-text)}.tt-custom-url-feedback--info{background:var(--tt-bg-secondary);border:1px solid var(--tt-border);color:var(--tt-text-secondary)}.tt-url-feedback-icon{flex-shrink:0;width:1.2rem;text-align:center;font-weight:700;line-height:1.3}.tt-url-feedback-icon--ok{color:#2e7d32}.tt-url-feedback-icon--bad{color:#c62828}.tt-spinner--inline{width:1rem;height:1rem;border-width:2px}.tt-opponent-row--added{border-color:#2e7d32 !important;box-shadow:0 0 0 1px rgba(46,125,50,0.35)}[data-tt-theme="dark"]:root .tt-opponent-row--added{border-color:#81c784 !important;box-shadow:0 0 0 1px rgba(129,199,132,0.45)}body.thumbnail-tester-landing{background:linear-gradient(180deg, rgba(15,15,15,0.05) 0%, var(--tt-bg) 38%)}body.thumbnail-tester-tool{background:linear-gradient(180deg, rgba(15,15,15,0.07) 0%, var(--tt-bg) 42%)}[data-tt-theme="dark"]:root body.thumbnail-tester-landing{background:linear-gradient(180deg, #1a1a1a 0%, var(--tt-bg) 40%)}[data-tt-theme="dark"]:root body.thumbnail-tester-tool{background:linear-gradient(180deg, #1a1a1a 0%, var(--tt-bg) 45%)}.tt-wizard-root{width:100%;min-height:100vh}.tt-tool-wrap{width:100%;max-width:720px;margin:0 auto;padding:0 1rem 2.5rem}.tt-feed-mount.tt-feed-mount--full{width:100%;max-width:none;margin:0;padding:0}.tt-feed-mount.tt-feed-mount--full .tt-feed-shell{width:100%;max-width:none;min-height:100vh;display:flex;flex-direction:column;background:var(--tt-bg)}.tt-feed-mount.tt-feed-mount--full .tt-main{flex:1 1 auto;width:100%;max-width:1920px;margin:0 auto;padding-left:clamp(0.75rem, 2.5vw, 2rem);padding-right:clamp(0.75rem, 2.5vw, 2rem);padding-bottom:2.5rem}.tt-feed-mount.tt-feed-mount--full .tt-topbar,.tt-feed-mount.tt-feed-mount--full .tt-toolbar{width:100%;max-width:none}.tt-feed-mount.tt-feed-mount--full .tt-dev-banner{width:100%;max-width:1920px;margin-left:auto;margin-right:auto;padding-left:clamp(0.75rem, 2.5vw, 2rem);padding-right:clamp(0.75rem, 2.5vw, 2rem);box-sizing:border-box}html.tt-feed-mobile-preview .tt-feed-shell>.tt-main{width:100%;max-width:390px;margin-left:auto;margin-right:auto;padding:1rem 0.75rem 2rem;border-radius:12px;border:1px solid var(--tt-border);box-shadow:0 8px 32px rgba(0,0,0,0.1);background:var(--tt-bg);box-sizing:border-box}html.tt-feed-mobile-preview[data-tt-theme="dark"] .tt-feed-shell>.tt-main{box-shadow:0 8px 40px rgba(0,0,0,0.45)}html.tt-feed-mobile-preview .tt-feed-mount.tt-feed-mount--full .tt-feed-shell>.tt-main{flex:0 0 auto;padding:1rem 0.75rem 2.5rem}html.tt-feed-mobile-preview .tt-feed-shell .tt-grid{grid-template-columns:1fr !important;gap:1rem 0.75rem}.tt-landing-wrap{max-width:1100px;margin:0 auto;padding:1.25rem 1rem 3rem}.tt-landing-demo-badge{margin:0 0 1rem;font-size:0.875rem;font-weight:500;color:var(--tt-text-secondary)}.tt-guest-upgrade{margin:0 0 1.5rem;padding:1rem 1.25rem;border-radius:12px;border:1px solid var(--tt-border);background:linear-gradient(135deg, rgba(26,115,232,0.08) 0%, var(--tt-bg-secondary) 100%);text-align:center}[data-tt-theme="dark"]:root .tt-guest-upgrade{background:linear-gradient(135deg, rgba(138,180,248,0.12) 0%, var(--tt-bg-secondary) 100%)}.tt-guest-upgrade-title{margin:0 0 0.5rem;font-size:1rem;font-weight:600;color:var(--tt-text)}.tt-guest-upgrade-body{margin:0 0 1rem;font-size:0.9rem;line-height:1.5;color:var(--tt-text-secondary)}.tt-guest-upgrade-cta{min-width:12rem}.tt-guest-upload{margin:0 0 1.25rem;text-align:center}.tt-guest-upload-label{display:block;font-size:0.95rem;font-weight:600;color:var(--tt-text);margin-bottom:0.35rem}.tt-guest-upload-hint{margin:0 0 0.65rem;font-size:0.875rem}.tt-guest-upload-status{margin:0.5rem 0 0;min-height:1.25em;font-size:0.875rem;color:#c62828}[data-tt-theme="dark"]:root .tt-guest-upload-status{color:#ff8a80}.tt-landing-header{text-align:center;max-width:48rem;margin:0 auto 2rem}.tt-landing-h1{font-size:clamp(1.75rem, 4vw, 2.35rem);font-weight:700;margin:0 0 0.75rem;line-height:1.2}.tt-landing-lead{font-size:1.1rem;color:var(--tt-text-secondary);margin:0 0 1rem}.tt-privacy-callout{background:rgba(0,0,0,0.04);border:1px solid var(--tt-border);border-radius:12px;padding:1rem 1.25rem;margin:1rem 0;text-align:left;font-size:0.95rem;line-height:1.5}[data-tt-theme="dark"]:root .tt-privacy-callout{background:rgba(255,255,255,0.06)}.tt-landing-cta{margin-top:1.25rem}.tt-landing-cta-sub{margin:0.35rem 0 0;font-size:0.9rem}.tt-btn-xl{padding:0.85rem 1.75rem !important;font-size:1.05rem !important;font-weight:600;min-width:12rem}.tt-btn-lg{padding:0.55rem 1.4rem !important;font-size:0.95rem !important}.tt-wizard-card-glass{background:rgba(255,255,255,0.42);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,0.4);box-shadow:0 12px 40px rgba(0,0,0,0.08)}[data-tt-theme="dark"]:root .tt-wizard-card-glass{background:rgba(33,33,33,0.55);border-color:rgba(255,255,255,0.1)}.tt-index-hero{text-align:center;padding-top:1.25rem}.tt-wizard-actions-center{justify-content:center}.tt-wizard-actions-opponents{position:sticky;top:calc(env(safe-area-inset-top, 0px) + 3.5rem);z-index:20;margin-top:0.75rem;margin-bottom:0.75rem;padding:0.85rem 1rem;flex-wrap:wrap;justify-content:center;gap:0.65rem;border:1px solid var(--tt-border);border-radius:10px;background:var(--tt-bg);box-shadow:0 2px 12px rgba(0,0,0,0.06)}[data-tt-theme="dark"]:root .tt-wizard-actions-opponents{box-shadow:0 2px 16px rgba(0,0,0,0.35)}.tt-wizard-actions-opponents+.tt-opponent-list{margin-top:0.25rem}.tt-file-input-lg{font-size:1rem;padding:0.75rem}.tt-textarea-lg{font-size:1rem}.tt-input-lg{font-size:1rem;padding:0.65rem 0.85rem}.tt-landing-demo{margin-top:2rem}.tt-landing-h2{font-size:1.3rem;margin:0 0 0.75rem;text-align:center}.tt-demo-caption{text-align:center;margin:0 0 1rem}.tt-landing-demo-inner{border-radius:12px;overflow:hidden;border:1px solid var(--tt-border);box-shadow:0 12px 48px rgba(0,0,0,0.1)}.tt-landing-footer{margin-top:2.5rem;text-align:center;font-size:0.875rem}.tt-landing-lang{display:flex;justify-content:center;align-items:center;gap:0.35rem;margin-bottom:0.75rem;font-size:0.875rem}.tt-lang-current{font-weight:600}.thumbnail-tester-tool .tt-wizard-heading{font-size:1.25rem}