:root{--bg: #ffffff;--fg: #111111;--muted: #666666;--panel: #f6f6f6;--border: rgba(0,0,0,.12);--shadow: rgba(0,0,0,.08);--accent: #2f6fed}:root[data-theme=dark]{--bg: #0b0c0f;--fg: #e9e9ea;--muted: #a9a9b1;--panel: #141622;--border: rgba(255,255,255,.12);--shadow: rgba(0,0,0,.5);--accent: #7aa2ff}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}small,.muted{color:var(--muted)}.container{min-height:100svh;display:flex;overflow:hidden}.sidebar{width:320px;max-width:80vw;background:var(--panel);border-right:1px solid var(--border);padding:20px 16px 16px;position:relative;z-index:30}.sidebar .brand{display:grid;gap:4px;margin-bottom:14px}.sidebar .brand .logo{width:34px;height:34px;border-radius:12px;background:var(--fg);opacity:.88}.sidebar .brand .title{font-weight:700;letter-spacing:.2px}.sidebar nav{display:grid;gap:8px;margin-top:10px}.sidebar .search{margin:12px 0 8px;display:grid;gap:8px}.sidebar input[type=search]{width:100%;border:1px solid var(--border);background:var(--bg);color:var(--fg);padding:10px 12px;border-radius:14px;outline:none}.sidebar .pill{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border-radius:14px;border:1px solid var(--border);background:#ffffff80}:root[data-theme=dark] .sidebar .pill{background:#00000040}.sidebar .row{display:flex;align-items:center;justify-content:space-between;gap:10px}.sidebar button{border:1px solid var(--border);background:var(--bg);color:var(--fg);border-radius:12px;padding:8px 10px;cursor:pointer}.main{flex:1;position:relative;min-width:0}.content-frame{height:100svh;overflow:hidden}.chevron-handle{position:fixed;top:50%;left:0;transform:translateY(-50%);width:22px;height:64px;border-radius:0 16px 16px 0;border:1px solid var(--border);border-left:none;background:var(--panel);display:none;place-items:center;z-index:40;cursor:pointer;box-shadow:0 6px 22px var(--shadow)}.chevron-handle span{display:block;width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:9px solid var(--muted);margin-left:2px}.overlay{position:fixed;inset:0;background:#00000059;z-index:20;display:none}@media(max-width:900px){.sidebar{position:fixed;top:0;left:0;height:100svh;transform:translate(-102%);transition:transform .22s ease;box-shadow:0 18px 50px var(--shadow)}.container[data-sidebar=open] .sidebar{transform:translate(0)}.chevron-handle{display:grid}.container[data-sidebar=open] .overlay{display:block}}.seq{height:100svh;position:relative}.seq .seq-viewport{height:100%;overflow:hidden;position:relative}.seq .seq-section{height:100%;padding:72px 18px 84px;display:none}.seq .seq-section.is-active{display:block}.seq .seq-section.is-media{overflow:hidden;display:none}.seq .seq-section.is-media.is-active{display:flex;flex-direction:column}.seq .seq-top-title{font-weight:700;text-align:center;margin:0 0 12px;color:var(--muted)}.seq .seq-media-wrap{flex:1;display:grid;place-items:center;min-height:0}.seq .seq-media-wrap :global(img),.seq .seq-media-wrap :global(video),.seq .seq-media-wrap :global(iframe){max-width:min(980px,100%);max-height:72svh;width:auto;height:auto;border-radius:18px;border:1px solid var(--border);background:#0000000f}:root[data-theme=dark] .seq .seq-media-wrap :global(img),:root[data-theme=dark] .seq .seq-media-wrap :global(video),:root[data-theme=dark] .seq .seq-media-wrap :global(iframe){background:#ffffff0a}.seq .seq-text{height:100%;overflow:auto;padding:0 4px;display:grid;place-items:center}.seq .seq-text-inner{width:min(860px,100%);margin:0 auto;text-align:justify}.seq .seq-text-inner h1,.seq .seq-text-inner h2,.seq .seq-text-inner h3{text-align:left}.seq .seq-text-inner p{margin:0 0 14px}.seq-nav{position:fixed;left:0;right:0;bottom:0;z-index:10;padding:12px 14px;pointer-events:none}.seq-nav .bar{width:min(560px,calc(100% - 28px));margin:0 auto;pointer-events:auto;display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;border:1px solid var(--border);background:color-mix(in oklab,var(--panel),transparent 15%);backdrop-filter:blur(10px);border-radius:18px;padding:10px;box-shadow:0 14px 44px var(--shadow)}.seq-nav button{border:1px solid var(--border);background:var(--bg);color:var(--fg);border-radius:14px;padding:10px 12px;cursor:pointer}.seq-nav button:disabled{opacity:.5;cursor:not-allowed}.seq-nav .center{display:flex;align-items:center;justify-content:center;gap:8px}.seq-nav .hint{font-size:12px;color:var(--muted)}.drawer{position:fixed;left:50%;transform:translate(-50%);bottom:84px;width:min(560px,calc(100% - 28px));max-height:52svh;background:var(--panel);border:1px solid var(--border);border-radius:18px;box-shadow:0 18px 60px var(--shadow);overflow:hidden;z-index:12;display:none}.drawer[data-open=true]{display:block}.drawer header{display:flex;align-items:center;justify-content:space-between;padding:12px;border-bottom:1px solid var(--border)}.drawer header strong{font-size:14px}.drawer header button{border:1px solid var(--border);background:var(--bg);color:var(--fg);border-radius:12px;padding:6px 10px;cursor:pointer}.drawer .list{max-height:44svh;overflow:auto;padding:10px}.drawer .list a{display:block;padding:10px 12px;border-radius:14px;border:1px solid transparent}.drawer .list a:hover{border-color:var(--border);background:#ffffff80}:root[data-theme=dark] .drawer .list a:hover{background:#0003}.page{height:100svh;overflow:auto;padding:22px 18px 90px}.page .inner{width:min(860px,100%);margin:0 auto}.card{border:1px solid var(--border);border-radius:18px;padding:14px;background:color-mix(in oklab,var(--panel),transparent 35%);margin:12px 0}.hr{height:1px;background:var(--border);margin:12px 0}