/* =========================================================
   Learning Rewired Studio — App Shell  (/studio/app/)
   The logged-in platform: premium navy chrome + warm work surface.
   Pairs with studio.css (shared tokens/keyframes) + studio-app.js.
   ========================================================= */

:root{
  --sa-ink:#07111f;
  --sa-navy:#0a1830;
  --sa-navy-2:#0e1f3d;
  --sa-side:#081328;        /* sidebar base */
  --sa-side-2:#0b1a36;
  --sa-blue:#2563eb;
  --sa-blue-d:#1d4fd7;
  --sa-cyan:#16b8d9;
  --sa-gold:#e0a93f;
  --sa-gold-l:#f4d58a;
  --sa-gold-d:#9a6a04;
  --sa-paper:#f7f4ee;
  --sa-card:#ffffff;
  --sa-line:#e6ebf1;
  --sa-ink-2:#475569;
  --sa-ink-3:#7c8aa0;
}

*{box-sizing:border-box;}
.studio-body{margin:0;background:var(--sa-paper);font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--sa-ink);-webkit-font-smoothing:antialiased;}

/* ---------- app frame ---------- */
.sa-app{display:flex;min-height:100vh;}
.sa-side{flex:none;width:262px;background:linear-gradient(185deg,var(--sa-side-2),var(--sa-side));
  border-right:1px solid rgba(255,255,255,.06);display:flex;flex-direction:column;
  padding:20px 16px;position:sticky;top:0;height:100vh;}
.sa-main{flex:1;min-width:0;display:flex;flex-direction:column;}

/* ---------- brand ---------- */
.sa-brand{display:flex;align-items:center;gap:11px;padding:6px 8px 18px;}
.sa-brand-mark{width:34px;height:34px;border-radius:10px;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--sa-gold),var(--sa-gold-d));box-shadow:0 6px 16px rgba(224,169,63,.32);}
.sa-brand-tx{display:flex;flex-direction:column;line-height:1.15;}
.sa-brand-tx strong{font-size:16px;font-weight:850;letter-spacing:-.02em;color:#fff;}
.sa-brand-tx span{font-size:10.5px;font-weight:600;letter-spacing:.04em;color:rgba(226,236,247,.5);text-transform:uppercase;}

/* ---------- nav ---------- */
.sa-nav-group{margin-top:6px;}
.sa-nav-head{margin:14px 10px 7px;font-size:10px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:rgba(226,236,247,.38);}
.sa-nav{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:9px 11px;border-radius:11px;text-decoration:none;margin-bottom:2px;
  color:rgba(226,236,247,.74);font-size:13.5px;font-weight:650;letter-spacing:-.01em;
  transition:background .18s,color .18s;}
.sa-nav:hover{background:rgba(255,255,255,.05);color:#fff;}
.sa-nav.is-active{background:linear-gradient(100deg,rgba(37,99,235,.22),rgba(22,184,217,.12));color:#fff;
  box-shadow:inset 0 0 0 1px rgba(96,165,250,.28);}
.sa-nav-l{display:flex;align-items:center;gap:11px;min-width:0;}
.sa-nav-ic{width:20px;text-align:center;font-size:15px;opacity:.9;}
.sa-nav-badge{font-size:9.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;
  padding:2px 7px;border-radius:999px;background:rgba(224,169,63,.18);color:var(--sa-gold-l);
  border:1px solid rgba(224,169,63,.3);}
.sa-nav-soon{font-size:9px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  padding:2px 6px;border-radius:999px;background:rgba(255,255,255,.06);color:rgba(226,236,247,.45);}
.sa-nav--build{background:linear-gradient(100deg,rgba(224,169,63,.16),rgba(224,169,63,.05));
  box-shadow:inset 0 0 0 1px rgba(224,169,63,.26);color:#fff;}
.sa-nav--build:hover{background:linear-gradient(100deg,rgba(224,169,63,.26),rgba(224,169,63,.09));}
.sa-nav-ext{font-size:12px;opacity:.5;}

/* ---------- side foot ---------- */
.sa-side-foot{margin-top:auto;padding-top:14px;}
.sa-id{display:flex;align-items:center;gap:10px;padding:10px 11px;border-radius:13px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);cursor:pointer;
  transition:background .18s;text-decoration:none;}
.sa-id:hover{background:rgba(255,255,255,.07);}
.sa-id-av{width:34px;height:34px;flex:none;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563eb,#16b8d9);color:#fff;font-size:13px;font-weight:800;}
.sa-id-tx{display:flex;flex-direction:column;line-height:1.25;min-width:0;flex:1;}
.sa-id-tx strong{font-size:13px;font-weight:800;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sa-id-tx span{font-size:11px;font-weight:600;color:var(--sa-gold-l);}
.sa-id-gear{font-size:14px;color:rgba(226,236,247,.4);}
.sa-exit{display:block;margin-top:10px;padding:0 4px;font-size:11.5px;font-weight:650;
  color:rgba(226,236,247,.5);text-decoration:none;transition:color .18s;}
.sa-exit:hover{color:rgba(226,236,247,.85);}

/* ---------- topbar ---------- */
.sa-top{display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 34px;background:rgba(247,244,238,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--sa-line);position:sticky;top:0;z-index:20;}
.sa-top-title{font-size:18px;font-weight:850;letter-spacing:-.025em;color:var(--sa-ink);}
.sa-top-sub{font-size:12.5px;font-weight:550;color:var(--sa-ink-3);margin-top:1px;}
.sa-top-actions{display:flex;align-items:center;gap:12px;}
.sa-search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--sa-line);
  border-radius:11px;padding:8px 13px;min-width:230px;transition:border-color .18s,box-shadow .18s;}
.sa-search:focus-within{border-color:#aebfd6;box-shadow:0 0 0 3px rgba(37,99,235,.1);}
.sa-search-ic{font-size:14px;color:var(--sa-ink-3);}
.sa-search input{border:0;outline:0;background:transparent;font:inherit;font-size:13px;width:100%;color:var(--sa-ink);}
.sa-new{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:11px;
  background:linear-gradient(135deg,var(--sa-gold),var(--sa-gold-d));color:#1a1204;
  font-size:13px;font-weight:850;letter-spacing:-.01em;text-decoration:none;border:0;cursor:pointer;
  box-shadow:0 8px 20px rgba(224,169,63,.28);transition:transform .18s,box-shadow .18s;}
.sa-new:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(224,169,63,.38);}

/* ---------- content ---------- */
.sa-content{padding:30px 34px 56px;max-width:1180px;width:100%;margin:0 auto;}
.sa-card{background:var(--sa-card);border:1px solid var(--sa-line);border-radius:18px;
  box-shadow:0 1px 2px rgba(7,17,31,.04);}

.sa-eyebrow{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--sa-blue);}
.sa-sec-h{margin:7px 0 0;font-size:21px;font-weight:850;letter-spacing:-.03em;color:var(--sa-ink);}
.sa-sec-p{margin:8px 0 0;font-size:14px;line-height:1.55;color:var(--sa-ink-2);font-weight:500;}

/* ---------- welcome / guided hero ---------- */
.sa-hero{position:relative;overflow:hidden;border-radius:20px;padding:34px 36px;
  background:radial-gradient(120% 140% at 88% 0%,#10254b 0%,var(--sa-navy) 46%,var(--sa-ink) 100%);
  color:#fff;box-shadow:0 24px 60px rgba(7,17,31,.32);}
.sa-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 80% at 92% 12%,rgba(224,169,63,.16),transparent 60%);}
.sa-hero-row{position:relative;display:flex;align-items:flex-start;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.sa-hero h1{margin:12px 0 0;font-size:30px;line-height:1.08;letter-spacing:-.035em;font-weight:850;max-width:560px;}
.sa-hero p{margin:12px 0 0;font-size:14.5px;line-height:1.6;color:rgba(226,236,247,.78);max-width:540px;font-weight:500;}
.sa-hero-cta{display:inline-flex;align-items:center;gap:9px;margin-top:22px;padding:13px 22px;border-radius:13px;
  background:linear-gradient(135deg,var(--sa-gold-l),var(--sa-gold));color:#1a1204;
  font-size:14.5px;font-weight:850;letter-spacing:-.01em;text-decoration:none;
  box-shadow:0 14px 32px rgba(224,169,63,.34);transition:transform .2s,box-shadow .2s;}
.sa-hero-cta:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(224,169,63,.46);}
.sa-hero-side{position:relative;flex:none;display:grid;gap:9px;min-width:188px;}
.sa-stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:11px 15px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);}
.sa-stat-v{font-size:19px;font-weight:850;color:#fff;letter-spacing:-.02em;}
.sa-stat-k{font-size:11px;font-weight:650;color:rgba(226,236,247,.6);}

/* ---------- tool launcher ---------- */
.sa-tools{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px;}
.sa-tool{position:relative;display:flex;flex-direction:column;padding:22px;border-radius:17px;
  background:var(--sa-card);border:1px solid var(--sa-line);text-decoration:none;min-height:178px;
  transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s,border-color .22s;}
.sa-tool.is-live:hover{transform:translateY(-4px);box-shadow:0 24px 50px rgba(7,17,31,.13);border-color:rgba(224,169,63,.4);}
.sa-tool.is-soon{background:#fbfaf7;border-style:dashed;cursor:default;}
.sa-tool-ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:20px;}
.sa-tool.is-live .sa-tool-ic{background:linear-gradient(140deg,var(--sa-navy),var(--sa-ink));color:var(--sa-gold-l);box-shadow:0 8px 18px rgba(7,17,31,.2);}
.sa-tool.is-soon .sa-tool-ic{background:#eef1f6;color:#9fb0c6;}
.sa-tool h3{margin:15px 0 0;font-size:16px;line-height:1.2;letter-spacing:-.02em;font-weight:850;color:var(--sa-ink);}
.sa-tool p{margin:7px 0 0;font-size:12.5px;line-height:1.5;color:var(--sa-ink-2);font-weight:500;flex:1;}
.sa-tool-go{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:12.5px;font-weight:850;
  color:var(--sa-gold-d);transition:gap .2s,color .2s;}
.sa-tool.is-live:hover .sa-tool-go{gap:11px;}
.sa-tool-tag{position:absolute;top:16px;right:16px;font-size:9.5px;font-weight:800;letter-spacing:.06em;
  text-transform:uppercase;padding:3px 9px;border-radius:999px;}
.sa-tool .tag-live{background:rgba(22,184,98,.12);color:#1f8a5b;border:1px solid rgba(22,184,98,.26);}
.sa-tool .tag-soon{background:#eef1f6;color:#94a3b8;border:1px solid #e2e8f0;}

/* ---------- vault ---------- */
.sa-vault-empty{display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:42px 28px;border:1.5px dashed var(--sa-line);border-radius:16px;background:#fcfbf8;}
.sa-vault-ic{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;font-size:25px;
  background:linear-gradient(140deg,#eef1f6,#fff);color:#9fb0c6;border:1px solid var(--sa-line);margin-bottom:14px;}
.sa-chip{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;
  background:var(--sa-ink);color:#fff;font-size:12.5px;font-weight:800;text-decoration:none;
  transition:transform .18s,background .18s;}
.sa-chip:hover{transform:translateY(-1px);background:var(--sa-navy);}
.sa-chip.is-ghost{background:#fff;color:var(--sa-ink);border:1px solid var(--sa-line);}
.sa-chip.is-ghost:hover{border-color:#aebfd6;background:#fff;}

/* ---------- two-col ---------- */
.sa-2col{display:grid;grid-template-columns:1.55fr 1fr;gap:18px;margin-top:18px;align-items:start;}

/* ---------- celebration toast ---------- */
.sa-toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);
  display:flex;align-items:center;gap:11px;padding:14px 20px;border-radius:14px;
  background:linear-gradient(135deg,var(--sa-navy),var(--sa-ink));color:#fff;
  box-shadow:0 22px 50px rgba(7,17,31,.4);border:1px solid rgba(224,169,63,.4);
  opacity:0;pointer-events:none;transition:opacity .4s,transform .4s;z-index:120;font-size:13.5px;font-weight:700;}
.sa-toast.is-in{opacity:1;transform:translateX(-50%) translateY(0);}
.sa-toast-ic{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--sa-gold-l),var(--sa-gold));color:#1a1204;font-size:14px;}

@keyframes sa-spark{0%{transform:scale(0) rotate(0);opacity:1;}100%{transform:scale(1) rotate(180deg);opacity:0;}}

/* ---------- reveal (visible by default; entrance is enhancement) ---------- */
[data-areveal]{opacity:1;transform:none;transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1);}
[data-areveal].is-pending{opacity:0;transform:translateY(20px);}
@media (prefers-reduced-motion:reduce){[data-areveal]{opacity:1 !important;transform:none !important;}}

/* ---------- mobile ---------- */
.sa-burger{display:none;}
@media (max-width:980px){
  .sa-tools{grid-template-columns:1fr 1fr;}
  .sa-2col{grid-template-columns:1fr;}
}
@media (max-width:760px){
  .sa-side{position:fixed;left:0;top:0;z-index:60;transform:translateX(-100%);transition:transform .28s;}
  .sa-app.is-open .sa-side{transform:none;}
  .sa-app.is-open::after{content:"";position:fixed;inset:0;background:rgba(7,17,31,.5);z-index:55;}
  .sa-burger{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;
    border:1px solid var(--sa-line);background:#fff;font-size:16px;cursor:pointer;flex:none;}
  .sa-top{padding:14px 18px;}
  .sa-content{padding:22px 18px 48px;}
  .sa-search{display:none;}
  .sa-hero{padding:26px 22px;}
  .sa-hero h1{font-size:25px;}
  .sa-tools{grid-template-columns:1fr;}
}