.vu-workspace{height:100%;overflow:auto;padding:24px 28px 92px;color:var(--vz-text,#192126)}
.vu-heading{max-width:880px;margin-bottom:24px}.vu-heading h1{margin:8px 0;font-size:27px;letter-spacing:-.6px}.vu-heading p{margin:0;color:var(--vz-muted,#626d75);font-size:14px;line-height:1.5}.vu-badge{font-size:10px;font-weight:750;letter-spacing:1.1px;color:var(--vz-blue,#227c74)}
.vu-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,360px);gap:28px;align-items:start;max-width:1600px;margin:0 auto}.vu-source{min-width:0}.vu-preview{background:color-mix(in srgb,var(--vz-text,#20272d) 7%,transparent);border:1px solid var(--vz-line,#d9e0e5);border-radius:18px;min-height:280px;height:clamp(300px,53vh,680px);display:grid;place-items:center;overflow:hidden}.vu-preview video{max-width:100%;max-height:100%;width:100%;height:100%;object-fit:contain}.vu-empty{text-align:center;padding:26px;color:var(--vz-muted,#626d75);font-size:13px}.vu-empty svg{width:60px;height:60px;opacity:.65}
.vu-source-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}.vu-source-footer>div{min-width:0}.vu-source-footer b{display:block;max-width:450px;overflow:hidden;text-overflow:ellipsis;font-size:13px}.vu-source-footer small{display:block;color:var(--vz-muted,#626d75);font-size:12px;margin-top:4px}.vu-source-footer .vz-btn{white-space:nowrap}
.vu-settings{padding:20px;border:1px solid var(--vz-line,#d9e0e5);border-radius:18px;background:var(--vz-panel,#fff)}.vu-settings fieldset{border:0;padding:0;margin:0 0 20px}.vu-settings legend,.vu-field>span{font-size:12px;font-weight:700;color:var(--vz-text,#20272d)}.vu-models{display:grid;gap:7px;margin-top:10px}.vu-model{border:1px solid var(--vz-line,#d9e0e5);border-radius:10px;background:transparent;padding:11px 12px;text-align:left;color:inherit;cursor:pointer;transition:border-color .12s,background .12s}.vu-model b{display:block;font-size:12px}.vu-model span{display:block;color:var(--vz-muted,#626d75);font-size:11px;line-height:1.45;margin-top:4px}.vu-model.active{border-color:var(--vz-blue,#227c74);background:color-mix(in srgb,var(--vz-blue,#227c74) 7%,transparent)}.vu-model:hover{border-color:var(--vz-blue,#227c74)}
.vu-field{display:grid;gap:8px;margin-bottom:17px;min-width:0}.vu-field>span{display:flex;justify-content:space-between;gap:8px}.vu-field select{width:100%;min-width:0;height:37px;border-radius:8px;border:1px solid var(--vz-line,#d9e0e5);padding:0 9px;background:var(--vz-panel,#fff);color:var(--vz-text,#20272d);font:inherit;font-size:12px}.vu-field input[type=range]{width:100%;accent-color:var(--vz-blue,#227c74);height:16px;cursor:pointer}.vu-field input:disabled{opacity:.45}.vu-field small,.vu-settings>small{color:var(--vz-muted,#626d75);font-size:11px;line-height:1.4}.vu-check{display:flex;gap:8px;align-items:center;font-size:12px}.vu-check input{accent-color:var(--vz-blue,#227c74)}.vu-note{color:var(--vz-muted,#626d75);font-size:11px;line-height:1.5}.vu-note summary{cursor:pointer}.vu-submit{margin-top:20px;border-top:1px solid var(--vz-line,#d9e0e5);padding-top:10px}.vu-submit>.vz-btn{width:100%;height:42px}.vu-error{font-size:12px;line-height:1.5;color:#c14942;background:color-mix(in srgb,#c14942 8%,transparent);padding:10px;border-radius:8px}.vu-model:focus-visible,.vu-field select:focus-visible,.vu-source-footer button:focus-visible{outline:2px solid var(--vz-blue,#227c74);outline-offset:3px}
[data-theme=dark] .vu-settings,[data-theme=dark] .vu-field select{background:var(--vz-panel,#1c2228)}
@media(max-width:1100px){.vu-workspace{padding:20px 18px 92px}.vu-grid{grid-template-columns:minmax(0,1fr) 300px;gap:16px}.vu-settings{padding:15px}.vu-preview{height:45vh;min-height:260px}.vu-source-footer{align-items:flex-start;flex-direction:column}}
@media(max-width:800px){.vu-grid{grid-template-columns:1fr}.vu-preview{height:42vh;min-height:230px}.vu-source-footer{flex-direction:row}.vu-heading h1{font-size:23px}.vu-workspace{padding:16px 14px 90px}}

/* R11: contextual video guidance, real source states and exact provider controls. */
.vu-heading{max-width:1600px;margin-left:auto;margin-right:auto}.vu-heading .vu-badge{display:inline-block;padding:6px 10px;border-radius:30px;background:linear-gradient(110deg,color-mix(in srgb,var(--vz-blue,#0f766e) 13%,transparent),color-mix(in srgb,#c59454 10%,transparent))}
.vu-preview{position:relative}.vu-empty{position:relative;width:100%;height:100%;display:grid;place-items:center;padding:26px;isolation:isolate}.vu-guide-cover,.vu-guide-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}.vu-guide-shade{z-index:-1;background:linear-gradient(180deg,#10242240,#102422de)}.vu-empty-message{max-width:380px;align-self:end;color:white}.vu-empty-message b{font-size:19px;line-height:1.35;display:block}.vu-empty-message p{font-size:13px;line-height:1.6}.vu-empty-message small{display:block;font-size:10px;color:#ffffffad}.vu-empty-play{width:54px;height:54px;display:grid;place-items:center;margin:0 auto 14px;border:1px solid #ffffff60;border-radius:50%;background:#ffffff19;backdrop-filter:blur(10px);font-size:28px;color:white}.vu-preview-error{position:absolute;left:12px;right:12px;bottom:48px;padding:12px;border-radius:9px;background:var(--vz-panel,#fff);border:1px solid #bb665f;display:flex;flex-wrap:wrap;gap:9px;font-size:12px;line-height:1.5}.vu-preview-error button{border:0;color:var(--vz-blue,#0f766e);background:transparent;font:inherit;font-weight:700;cursor:pointer}
.vu-settings .vu-presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.vu-presets legend{margin-bottom:10px}.vu-preset{display:flex;flex-direction:column;gap:5px;border:1px solid var(--vz-line,#d9e0e5);border-radius:9px;background:var(--vz-panel,#fff);padding:9px 7px;color:inherit;text-align:left;cursor:pointer;transition:background .18s ease,border-color .18s ease,box-shadow .18s ease}.vu-preset b{font-size:10px;line-height:1.4}.vu-preset small{font-size:9px;line-height:1.4;color:var(--vz-muted,#66737b)}.vu-preset:hover,.vu-preset.active{border-color:var(--vz-blue,#0f766e);background:color-mix(in srgb,var(--vz-blue,#0f766e) 8%,var(--vz-panel,#fff))}.vu-model,.vu-workspace .vz-btn{transition:border-color .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease}.vu-model:hover{box-shadow:0 4px 14px #00000009}.vu-field>label{font-size:12px;font-weight:700}.vu-slider-row{display:grid;grid-template-columns:minmax(0,1fr) 64px;align-items:center;gap:12px}.vu-number{width:64px;min-width:0;border:1px solid var(--vz-line,#d9e0e5);border-radius:7px;padding:7px 4px 7px 8px;font:inherit;font-size:12px;background:var(--vz-panel,#fff);color:inherit}.vu-parameter-hint{display:block;margin:-6px 0 15px;font-size:11px;line-height:1.5;color:var(--vz-muted,#66737b)}.vu-output-summary{display:grid;gap:6px;padding:12px;border:1px solid color-mix(in srgb,var(--vz-blue,#0f766e) 20%,var(--vz-line,#d9e0e5));border-radius:10px;background:color-mix(in srgb,var(--vz-blue,#0f766e) 5%,transparent);margin-bottom:18px}.vu-output-summary>span{font-size:10px;color:var(--vz-muted,#66737b)}.vu-output-summary>b{font-size:12px;font-weight:700}.vu-output-summary>small{font-size:10px;color:var(--vz-muted,#66737b)}.vu-preset:focus-visible,.vu-number:focus-visible,.vu-preview-error button:focus-visible{outline:2px solid var(--vz-blue,#0f766e);outline-offset:3px}
@media(prefers-reduced-motion:reduce){.vu-workspace button{transition:none!important}}
/* R18: discoverable upload, including for an empty workspace. */
.vu-preview[data-vu-dropzone]{outline:2px dashed transparent;outline-offset:-9px;transition:outline-color .18s ease,box-shadow .18s ease}
.vu-preview[data-vu-dropzone].is-dragging{outline-color:#d5ffdb;box-shadow:0 0 0 3px var(--vz-blue,#227c74)}
.vu-preview .vu-empty-message{max-width:430px;align-self:center;padding:18px 22px 20px;border-radius:18px;isolation:isolate;position:relative}
.vu-preview .vu-empty-message:before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;background:linear-gradient(#12312d08,#10241f8c);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);mask-image:linear-gradient(transparent,#000 25%);-webkit-mask-image:linear-gradient(transparent,#000 25%)}
.vu-preview .vu-empty-message b{font-size:clamp(20px,2vw,28px);letter-spacing:-.03em}
.vu-workspace .vu-preview .vu-upload-primary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;margin:8px 0 12px;padding:13px 25px;border:1px solid #ffffff8c;border-radius:11px;background:#f0fff6;color:#163c2e;font:inherit;font-size:13px;line-height:1.4;font-weight:600;cursor:pointer;box-shadow:0 6px 22px #0002;transition:transform .18s ease,background .18s ease}
.vu-upload-primary:hover:not(:disabled){background:white;transform:translateY(-1px)}
.vu-upload-primary:focus-visible{outline:3px solid #caff9a;outline-offset:4px}
.vu-upload-primary:disabled{opacity:.65;cursor:wait}
.vu-empty-message .vu-upload-limits{font-size:11px;color:#ffffffdc}
.vu-source>[data-vu-upload-error]{margin-top:12px}
@media(max-width:800px){.vu-preview .vu-empty{padding:15px}.vu-preview .vu-empty-message{padding:14px}.vu-preview .vu-empty-message p{font-size:12px}.vu-empty-play{width:42px;height:42px;margin-bottom:10px}.vu-preview{min-height:330px}.vu-upload-primary{min-height:44px}}
@media(prefers-reduced-motion:reduce){.vu-upload-primary,.vu-preview[data-vu-dropzone]{transition:none}.vu-upload-primary:hover:not(:disabled){transform:none}}