:root{--bg: #ecfdf5;--bg-card: #ffffff;--bg-card-tint: #d1fae5;--border: #a7f3d0;--border-strong: #6ee7b7;--text: #022c22;--muted: #065f46;--accent: #059669;--accent-hover: #047857;--accent-soft: #d1fae5;--error: #dc2626}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;min-height:100vh;display:flex;flex-direction:column}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}code,kbd,samp{font-family:JetBrains Mono,ui-monospace,monospace}nav{padding:14px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:var(--bg);position:sticky;top:0;z-index:10}nav .brand{display:flex;align-items:center;gap:8px;font-family:JetBrains Mono,monospace;font-weight:600;color:var(--text)}nav .brand img{width:24px;height:24px}nav .links{display:flex;gap:18px;font-size:14px;color:var(--muted)}nav .links a{color:var(--muted)}nav .links a:hover{color:var(--text)}main{flex:1;max-width:980px;margin:0 auto;padding:40px 24px 56px;width:100%}h1{margin:0 0 8px;font-size:32px;font-weight:800;letter-spacing:-.02em}h1 .accent{color:var(--accent)}.intro{color:var(--muted);margin:0 0 32px;max-width:600px;line-height:1.55;font-size:15px}.video-card{background:#000;border-radius:16px;overflow:hidden;box-shadow:0 12px 32px -12px #055f4647;margin-bottom:14px}.video-card video{display:block;width:100%;aspect-ratio:16/9;background:#000}.status{font-family:JetBrains Mono,monospace;font-size:12px;color:var(--muted);padding:0 4px 24px;min-height:18px}.status.error{color:var(--error)}.controls{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}@media(max-width:720px){.controls{grid-template-columns:1fr}}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:18px 20px}.card-label{margin:0 0 12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.segmented{display:flex;gap:6px;flex-wrap:wrap}.segmented button{flex:1;min-width:0;display:inline-flex;align-items:center;justify-content:center;gap:6px;background:transparent;color:var(--text);border:1px solid var(--border);padding:10px 12px;border-radius:8px;font-family:inherit;font-size:14px;cursor:pointer;transition:background .12s,border-color .12s,color .12s}.segmented button:hover{background:var(--accent-soft)}.segmented button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.upload-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;margin-left:2px;border-radius:4px;opacity:.55;cursor:pointer;transition:opacity .12s,background .12s}.upload-icon:hover{opacity:1;background:#022c2214}.segmented button.active .upload-icon{opacity:.85}.segmented button.active .upload-icon:hover{opacity:1;background:#ffffff2e}.upload-icon svg{width:13px;height:13px;display:block}.bg-extra{margin-top:12px;display:none;gap:10px;align-items:center;font-size:13px}.bg-extra.show{display:flex}.bg-extra label{color:var(--muted);min-width:60px}.bg-extra input[type=color]{background:var(--bg);border:1px solid var(--border);padding:0;width:36px;height:32px;border-radius:6px;cursor:pointer}.bg-extra input[type=range]{flex:1;accent-color:var(--accent)}.bg-extra .val{font-family:JetBrains Mono,monospace;font-size:12px;color:var(--muted);min-width:32px;text-align:right}details.advanced{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:14px 20px;margin-bottom:28px}details.advanced[open]{padding-bottom:18px}details.advanced summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--muted);list-style:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}details.advanced summary::-webkit-details-marker{display:none}details.advanced summary:before{content:"▸";display:inline-block;margin-right:8px;transition:transform .15s}details.advanced[open] summary:before{transform:rotate(90deg)}details.advanced .preset-row{margin-top:14px}.cta-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding-top:16px;border-top:1px solid var(--border)}.cta-row a.btn{padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;transition:all .12s}.cta-row a.primary{background:var(--accent);color:#fff}.cta-row a.primary:hover{background:var(--accent-hover)}.cta-row a.outline{border:1px solid var(--border-strong);color:var(--muted)}.cta-row a.outline:hover{background:var(--accent-soft)}.cta-row .install{margin-left:auto;font-family:JetBrains Mono,monospace;font-size:13px;color:var(--muted);background:var(--bg-card-tint);padding:8px 12px;border-radius:6px}.cta-row .install:before{content:"$ ";opacity:.5}