/* lw-shell.css — shared dark shell: announcement bar + sidebar + top-right cluster */
/* tokens: bg rgb(20,20,20) · card #1F1F1F · border rgba(255,255,255,.08) · brand #4B7DFF */

html,body{background:var(--bg);}
body.lw-shell{margin:0;font-family:Inter,"PingFang SC",system-ui,sans-serif;color:var(--text);
  min-height:100vh;display:flex;flex-direction:column;}
a{text-decoration:none;color:inherit;}
button{font-family:inherit;}

/* ---------- Announcement bar ---------- */
.lw-announce{position:sticky;top:0;z-index:60;height:36px;display:flex;align-items:center;
  justify-content:center;gap:14px;padding:0 48px;flex-shrink:0;
  background:#c8102e;color:#fff;font-size:13px;}
.lw-announce .lw-an-text{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500;}
.lw-announce .lw-an-cta{flex-shrink:0;background:#fff;color:#000;border:0;border-radius:8px;
  height:30px;padding:0 14px;font-size:13px;font-weight:500;cursor:pointer;}
.lw-announce .lw-an-x{position:absolute;right:16px;top:50%;transform:translateY(-50%);
  background:transparent;border:0;color:#fff;cursor:pointer;width:28px;height:28px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;opacity:.85;}
.lw-announce .lw-an-x:hover{background:rgba(255,255,255,.15);opacity:1;}

/* ---------- App frame ---------- */
.lw-app{display:flex;flex:1;min-height:0;}
.lw-topbar svg{width:24px;height:24px;flex-shrink:0;} /* LW-44: SVG constraint to prevent stretch */

/* ---------- Sidebar ---------- */
.lw-side{width:240px;flex-shrink:0;background:rgb(20,20,20);border-right:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;position:sticky;top:46px;height:calc(100vh - 46px);overflow-y:auto;}
.lw-side::-webkit-scrollbar{width:0;}
.lw-logo{height:60px;display:flex;align-items:center;padding:0 20px;flex-shrink:0;}
.lw-logo .lw-logo-mark{width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,#4B7DFF,#22D3EE);
  display:inline-flex;align-items:center;justify-content:center;margin-right:9px;}
.lw-logo .lw-logo-name{font-size:18px;font-weight:800;letter-spacing:-.02em;font-style:italic;}
.lw-nav{padding:4px 12px;display:flex;flex-direction:column;gap:2px;}
.lw-navrow{display:flex;align-items:center;gap:10px;height:34px;border-radius:6px;padding:0 8px;
  color:rgb(200,200,200);font-size:13px;cursor:pointer;border:0;background:transparent;width:100%;text-align:left;}
.lw-navrow svg{width:17px;height:17px;flex-shrink:0;opacity:.9;}
.lw-navrow:hover{background:rgba(255,255,255,.06);color:#fff;}
.lw-navrow.on{background:rgba(255,255,255,.08);color:#fff;}
.lw-navrow .lw-caret{margin-left:auto;width:14px;height:14px;transition:transform .15s;}
.lw-navrow.expanded .lw-caret{transform:rotate(90deg);}
.lw-badge{margin-left:auto;font-size:10px;font-weight:600;color:#4B7DFF;background:rgba(75,125,255,.12);
  padding:2px 6px;border-radius:4px;}
.lw-sub{display:flex;flex-direction:column;gap:1px;padding:2px 0 2px 26px;}
.lw-sub a{display:flex;align-items:center;gap:8px;height:30px;font-size:12.5px;color:rgb(160,160,160);
  border-radius:6px;padding:0 8px;}
.lw-sub a:hover{color:#fff;background:rgba(255,255,255,.05);}
.lw-seclabel{padding:14px 20px 6px;font-size:11px;color:rgb(110,110,110);letter-spacing:.08em;text-transform:uppercase;}
.lw-side-promo{margin:auto 12px 12px;}
.lw-side-card{border-radius:12px;overflow:hidden;position:relative;height:88px;display:block;
  background:linear-gradient(135deg,#0B1E3F,#1E3A8A 60%,#4B7DFF);padding:14px;}
.lw-side-card b{font-size:13.5px;display:block;line-height:1.35;}
.lw-side-card span{font-size:11.5px;opacity:.85;display:block;margin-top:4px;}
.lw-side-foot{padding:8px 12px 12px;}
.lw-side-foot a{display:flex;align-items:center;gap:10px;height:34px;border-radius:6px;padding:0 8px;
  color:rgb(180,180,180);font-size:13px;}
.lw-side-foot a:hover{background:rgba(255,255,255,.06);color:#fff;}
.lw-side-foot svg{width:16px;height:16px;}

/* ---------- Main column ---------- */
.lw-main{flex:1;min-width:0;display:flex;flex-direction:column;color:var(--text);background:var(--bg);}
.lw-top{height:60px;flex-shrink:0;display:flex;align-items:center;justify-content:flex-end;gap:10px;
  padding:0 24px;border-bottom:1px solid rgba(255,255,255,.08);background:rgb(20,20,20);
  position:sticky;top:46px;z-index:40;}
.lw-topnav{display:flex;align-items:center;gap:16px;margin-right:8px;}
.lw-topnav a{font-size:13px;color:rgb(160,160,160);}
.lw-topnav a:hover{color:#fff;}
.lw-pill{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:999px;
  font-size:12.5px;font-weight:500;border:1px solid rgba(255,255,255,.1);color:rgb(220,220,220);
  background:rgba(255,255,255,.04);cursor:pointer;white-space:nowrap;}
.lw-pill:hover{background:rgba(255,255,255,.09);color:#fff;}
.lw-pill.brand{background:#4B7DFF;border-color:#4B7DFF;color:#fff;}
.lw-pill.brand:hover{background:#3a6cf0;}
.lw-avatar{width:32px;height:32px;border-radius:50%;background:#26262C;display:flex;align-items:center;
  justify-content:center;color:rgb(180,180,180);font-size:12px;font-weight:600;cursor:pointer;border:0;}
.lw-page{flex:1;padding:24px 28px 48px;max-width:1440px;width:100%;margin:0 auto;}

/* ---------- Shared primitives ---------- */
.lw-hrow{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;}
.lw-hrow h1{font-size:20px;font-weight:700;}
.lw-search{height:34px;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:#1F1F1F;
  padding:0 12px;font-size:13px;color:#fff;outline:none;width:220px;}
.lw-search::placeholder{color:rgb(130,130,130);}
.lw-card{background:#1F1F1F;border:1px solid rgba(255,255,255,.08);border-radius:14px;}
.lw-empty{text-align:center;color:rgb(140,140,140);font-size:14px;padding:72px 0;}

/* toast */
.lw-toasts{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:200;display:flex;
  flex-direction:column;gap:8px;align-items:center;}
.lw-toast{background:#2A2A2E;color:#fff;font-size:13px;padding:10px 18px;border-radius:10px;
  box-shadow:0 8px 24px rgba(0,0,0,.4);border:1px solid rgba(255,255,255,.1);max-width:420px;}
.lw-toast.err{border-color:rgba(255,100,100,.4);}

/* dialog */
.lw-mask{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:150;display:flex;align-items:center;
  justify-content:center;}
.lw-dialog{background:#1F1F1F;border:1px solid rgba(255,255,255,.1);border-radius:16px;width:420px;
  max-width:calc(100vw - 40px);padding:22px;}
.lw-dialog h3{font-size:16px;margin-bottom:14px;}
.lw-dialog label{display:block;font-size:12px;color:rgb(160,160,160);margin:12px 0 6px;}
.lw-dialog input[type=text],.lw-dialog select{width:100%;height:38px;background:#141414;
  border:1px solid rgba(255,255,255,.12);border-radius:8px;color:#fff;padding:0 12px;font-size:14px;outline:none;}
.lw-dialog .lw-d-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;}
.lw-seg{display:flex;gap:8px;}
.lw-seg button{flex:1;height:36px;border-radius:8px;border:1px solid rgba(255,255,255,.12);
  background:#141414;color:rgb(180,180,180);font-size:13px;cursor:pointer;}
.lw-seg button.on{border-color:#4B7DFF;background:rgba(75,125,255,.12);color:#fff;}

/* LW-24: .lw-body main content wrapper (referenced by create/*, agent, masterclass, tutorials; was missing CSS rule) */
.lw-body{display:flex;flex:1;min-height:0;box-sizing:border-box;}

/* LW-74: mobile shell — sidebar collapses behind a hamburger toggle under 768px (blueprint mobile frame) */
@media (max-width:768px){
  .lw-side{position:fixed;left:0;top:0;bottom:0;z-index:80;transform:translateX(-100%);
    transition:transform .2s ease;box-shadow:0 0 24px rgba(0,0,0,.4);}
  body.lw-shell.lw-menu-open .lw-side{transform:translateX(0);}
  .lw-menu-btn{position:fixed;top:44px;left:12px;z-index:90;display:inline-flex;align-items:center;
    justify-content:center;width:34px;height:34px;
    border:1px solid rgba(255,255,255,.12);border-radius:8px;background:rgba(255,255,255,.06);
    color:#fff;cursor:pointer;font-size:15px;}
}
.lw-menu-btn{display:none;}
/* feed card thumb — clean empty-state block (per frame, no text placeholder) */
.feed-thumb{position:relative}
.feed-thumb::after{content:"";position:absolute;inset:12px;border:1px dashed rgba(255,255,255,.1);border-radius:6px}

/* ===== LW-85 home content grids (Recent projects + Latest feed, 4-col thumb cards, reference-aligned) ===== */
.lw-projgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:30px}
.update-card{background:#141821;border:1px solid rgba(255,255,255,.07);border-radius:8px;padding:12px 14px;display:block}
.update-card:hover{border-color:rgba(47,107,255,.5)}
.update-card b{display:block;font-size:13px;margin-bottom:4px;color:#e8ecf4}
.update-card span{font-size:11px;color:#5c6678}
.lw-feedgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.feed-card{background:#141821;border:1px solid rgba(255,255,255,.07);border-radius:8px;overflow:hidden}
.feed-card:hover{border-color:rgba(47,107,255,.5)}
.feed-meta{padding:10px 12px}
.feed-meta b{display:block;font-size:12.5px;color:#e8ecf4;margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.feed-meta span{font-size:11px;color:#5c6678}
@media(max-width:1100px){.lw-projgrid,.lw-feedgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.lw-projgrid,.lw-feedgrid{grid-template-columns:1fr}}

/* ===== LW-82 shell completion: announcement banner + plain sidebar nav (same shell, not a second one) ===== */
.lw-banner{position:sticky;top:0;z-index:60;height:38px;display:flex;align-items:center;justify-content:center;
  gap:14px;padding:0 48px;flex-shrink:0;background:#15181f;border-bottom:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:rgb(200,200,200);}
.lw-banner-txt{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.lw-banner-cta{color:#9DB8FF;white-space:nowrap;font-weight:500;}
.lw-banner-cta:hover{color:#cfe0ff;}
.lw-side .lw-nav a{display:flex;align-items:center;gap:8px;height:34px;padding:0 10px;border-radius:7px;
  color:rgb(190,190,190);font-size:13px;}
.lw-side .lw-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.lw-side .lw-nav a.on{background:rgba(75,125,255,.14);color:#fff;}
.lw-side .lw-nav a em.beta{font-style:normal;font-size:9.5px;font-weight:600;letter-spacing:.04em;
  background:rgba(75,125,255,.18);color:#9DB8FF;padding:1px 6px;border-radius:4px;margin-left:auto;}
.lw-side .lw-nav-group{padding:16px 10px 6px;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:rgb(110,110,110);}
.lw-side-foot .lw-ver{display:block;padding:6px 10px 2px;font-size:11px;color:rgb(110,110,110);}
.lw-side-foot a{display:flex;align-items:center;gap:8px;height:32px;padding:0 10px;}

/* ===== LW-114: narrow top pills — no crush under 768/560 ===== */
@media(max-width:768px){
  .lw-top{padding:0 10px;gap:6px;}
  .lw-pill{font-size:11.5px;padding:5px 9px;}
  .lw-banner{padding:0 12px;gap:8px;}
}
@media(max-width:560px){
  .lw-top .lw-pill:first-child{display:none;}
  .lw-topnav{display:none;}
}