:root{--bg:#f4f7fb;--panel:#fff;--text:#1b1b1b;--muted:#4b5563;--line:#dbe3ef;--brand:#8cb561;--brand-hover:#769b50;--brand-soft:#f3f8eb;--brand-line:#c7dba9;--danger:#b91c1c}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(circle at top,#e8f2ff 0,var(--bg) 45%,#f7f5ff 100%);color:var(--text);font-family:Manrope,Avenir Next,Segoe UI,sans-serif}main{min-height:100vh;width:100%;padding:0}.card{width:min(1540px,100%);background:var(--panel);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 14px 40px rgba(27,27,27,.09)}h1{margin:0 0 8px;font-size:clamp(1.75rem,2.5vw,2.25rem);line-height:1.15}p{margin:0;color:var(--muted)}.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}.stack{display:grid;grid-gap:16px;gap:16px;width:min(1460px,calc(100% - 48px));margin:24px auto;padding:28px;background:#fff;border:1px solid rgba(219,227,239,.9);border-radius:28px;box-shadow:0 18px 44px rgba(27,27,27,.08)}.stack-editor{gap:10px;margin-top:14px;padding-top:18px}.landing-shell{display:grid;width:100%;min-height:100vh;background-image:linear-gradient(104deg,hsla(0,0%,100%,.9),hsla(0,0%,100%,.48) 28%,hsla(0,0%,100%,.08) 56%,rgba(27,27,27,.12)),linear-gradient(180deg,hsla(0,0%,100%,.1),hsla(0,0%,100%,.02)),url(/branding/home-page-background.jpg?v=1);background-size:cover;background-position:50%;background-repeat:no-repeat}.landing-hero{position:relative;min-height:760px;overflow:visible;padding:28px 56px 0;background:transparent}.landing-hero-media,.landing-hero-overlay{position:absolute;inset:0}.landing-hero-media{display:none}.landing-hero-overlay{background:radial-gradient(circle at top left,hsla(0,0%,100%,.28) 0,transparent 44%),linear-gradient(180deg,hsla(0,0%,100%,.12),hsla(0,0%,100%,.02));pointer-events:none}.landing-copy,.landing-topbar,.upload-hero-card{position:relative;z-index:1}.landing-topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.landing-brand{max-width:620px}.landing-auth-actions{display:flex;align-items:center;gap:10px}.button-ghost{background:hsla(0,0%,100%,.76);color:#1b1b1b;border:1px solid hsla(0,0%,100%,.66);box-shadow:0 8px 24px rgba(27,27,27,.08)}.button-ghost:not(:disabled):hover{background:#fff}.landing-copy{display:grid;grid-gap:16px;gap:16px;max-width:780px;margin-top:54px}.landing-copy h1{max-width:760px;font-size:clamp(1.9rem,4vw,3.35rem);line-height:1.04;letter-spacing:-.045em}.landing-copy-text{max-width:650px;font-size:1.05rem;line-height:1.6;color:rgba(27,27,27,.8)}.upload-hero-card{display:grid;grid-gap:14px;gap:14px;width:100%;margin:62px 0 -44px;padding:22px 22px 20px;border-radius:24px;background:hsla(0,0%,100%,.97);border:1px solid hsla(0,0%,100%,.92);box-shadow:0 24px 64px rgba(27,27,27,.12);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.debug-panel{display:grid;grid-gap:8px;gap:8px;padding:14px 16px;border-radius:16px;background:rgba(27,27,27,.06);border:1px solid rgba(27,27,27,.08)}.debug-panel-title{font-size:.82rem;font-weight:800;letter-spacing:.01em;color:rgba(27,27,27,.84)}.debug-panel-list{display:grid;grid-gap:6px;gap:6px;margin:0;padding-left:18px;color:rgba(27,27,27,.72);font-size:.82rem;line-height:1.5}.upload-hero-tabs{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.upload-hero-tab{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:9px 14px;border-radius:999px;border:1px solid hsla(84,41%,76%,.7);background:hsla(84,56%,96%,.92);color:rgba(27,27,27,.7);font-size:.8rem;font-weight:800;letter-spacing:.01em;box-shadow:inset 0 1px 0 hsla(0,0%,100%,.85);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.upload-hero-tab-active{background:#1b1b1b;color:#fff;border-color:rgba(27,27,27,.92);box-shadow:0 12px 26px rgba(27,27,27,.14),inset 0 1px 0 hsla(0,0%,100%,.08)}.upload-hero-form{display:grid;grid-gap:12px 16px;gap:12px 16px;align-items:start;grid-template-columns:minmax(0,.95fr) minmax(0,1.4fr);grid-template-areas:"video script" "submit submit"}.upload-hero-field{display:grid;grid-gap:7px;gap:7px}.upload-hero-field label{font-size:.78rem;letter-spacing:.01em;color:rgba(27,27,27,.72)}.upload-hero-field-wide{min-width:0}.upload-hero-form>.upload-hero-field:first-child{grid-area:video}.upload-hero-form-transcription{grid-template-columns:1fr;grid-template-areas:"video" "submit"}.upload-hero-field-script{grid-area:script}.upload-hero-field textarea{width:100%;min-height:112px;resize:vertical;border:1px solid hsla(84,41%,76%,.75);border-radius:18px;padding:16px 18px;font:inherit;line-height:1.5;background:linear-gradient(180deg,hsla(83,57%,97%,.92),hsla(0,0%,100%,.98));color:#1b1b1b;box-shadow:inset 0 1px 0 hsla(0,0%,100%,.92)}.upload-hero-field textarea:focus{outline:2px solid rgba(140,181,97,.28);border-color:#8cb561}.upload-hero-submit{display:grid;grid-area:submit;align-content:start;grid-gap:8px;gap:8px}.upload-hero-button{width:100%;min-height:58px;border-radius:18px}.upload-hero-helper{font-size:.84rem;line-height:1.45}.workspace-header{display:grid;grid-gap:16px;gap:16px}.stack-editor .workspace-header{gap:10px}.workspace-header-main{display:flex;align-items:center;gap:18px;min-width:0}.brand-mark{display:flex;align-items:center;flex:0 0 auto;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;padding:0;cursor:pointer}.brand-logo{width:auto;height:96px}.brand-mark:focus-visible{outline:2px solid var(--brand);outline-offset:6px;border-radius:12px}.brand-description{max-width:360px;line-height:1.35}.workspace-header-actions{display:grid;grid-gap:10px;gap:10px}.workspace-status{font-size:.78rem;line-height:1.35;max-width:260px}label{font-weight:700;font-size:.9rem}input[type=file]{width:100%;border:1px solid hsla(84,41%,76%,.82);border-radius:18px;padding:18px;background:linear-gradient(180deg,hsla(83,57%,97%,.92),hsla(0,0%,100%,.98));color:var(--text);box-shadow:inset 0 1px 0 hsla(0,0%,100%,.92),0 10px 24px rgba(27,27,27,.04)}input[type=file]::-webkit-file-upload-button{border:0;border-radius:14px;padding:11px 16px;margin-right:14px;background:#1b1b1b;color:#fff;font-weight:700;cursor:pointer}input[type=file]::file-selector-button{border:0;border-radius:14px;padding:11px 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0}.landing-brand{max-width:760px}.brand-description{max-width:430px;font-size:1.02rem;line-height:1.4}.landing-copy{max-width:980px;margin-top:68px;gap:20px}.landing-copy h1{max-width:940px;font-size:clamp(2.3rem,3.6vw,4.25rem);line-height:1.02}.landing-copy-text{max-width:760px;font-size:1.12rem}.upload-hero-card{width:100%;margin:58px 0 -44px;padding:24px 24px 22px}.upload-hero-form{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:14px 18px}.upload-hero-tab{min-height:42px;padding:10px 18px}.upload-hero-button{min-height:66px;font-size:1rem}}@media (max-width:1099px){.stack{width:min(100%,calc(100% - 24px));margin:12px auto;padding:20px;border-radius:22px}.stack-editor{margin-top:8px;padding-top:14px}.landing-hero{min-height:auto;padding:22px 20px 0}.landing-topbar{flex-direction:column;align-items:flex-start}.landing-copy{margin-top:28px}.upload-hero-card{width:100%;margin:42px 0 0}.landing-hero-media,.landing-hero-overlay{bottom:0}.upload-hero-form{grid-template-columns:1fr;grid-template-areas:"video" "script" "submit"}.upload-hero-field-script{grid-column:auto}}