/* dash-base.css — shared Notion-style shell for all standalone dashboards.
   Source of truth: docs/superpowers/specs/2026-07-02-dashboard-design-system.md
   White/sleek/minimalist. Official Shuter brand tokens. One visual language so
   learner/teacher/school-admin in a phase look like siblings. */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root{
  /* Primary + alias for legacy --pp references */
  --shu-purple:#5E2E86; --pp:var(--shu-purple);
  /* Accents */
  --shu-orange:#F7941D; --shu-red:#EF4129; --shu-teal:#00B08D; --shu-pink:#EF5B99;
  --shu-green:#39B54A; --shu-blue:#0083BB; --shu-bright-blue:#00A1E4;
  --shu-red-orange:#F26522; --shu-brown:#BA6127;
  /* Soft backgrounds */
  --shu-bg-pale-blue:#BADAF3; --shu-bg-lime:#BFD730; --shu-bg-yellow:#FFD400;
  /* Neutrals (Notion shell) */
  --bg:#FFFFFF; --bg-subtle:#FAFAFA; --ink:#1A1A1A; --muted:#6B6B6B;
  --line:rgba(0,0,0,0.08); --radius:10px;
  --shadow:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);
  /* Per-phase lead accent — dashboards override this one var; everything else stays put */
  --accent:var(--shu-blue);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}

/* Shell: sidebar + content */
.dash-shell{display:flex;min-height:100vh}
.dash-side{width:240px;background:var(--bg);border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;gap:4px}
.dash-side .logo{padding:6px 8px 18px}
.dash-side .logo img{height:34px;width:auto}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--muted);font-weight:600;font-size:14px;cursor:pointer;text-decoration:none;transition:background .12s,color .12s}
.nav-item:hover{background:var(--bg-subtle);color:var(--ink)}
.nav-item.active{background:color-mix(in srgb,var(--shu-purple) 10%,transparent);color:var(--shu-purple)}
.dash-main{flex:1;padding:28px 34px;max-width:1080px}
.page-title{font-size:23px;font-weight:700;margin:0 0 18px}
.section-title{font-size:17px;font-weight:600;margin:0 0 12px}
.muted{color:var(--muted)}
.meta{font-size:12px;font-weight:500;color:var(--muted)}

/* Cards */
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.card.raised{box-shadow:var(--shadow)}
.card + .card{margin-top:14px}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:9px;font-weight:600;font-size:14px;cursor:pointer;border:1px solid transparent;font-family:inherit;transition:background .12s,border-color .12s,opacity .12s}
.btn-primary{background:var(--shu-purple);color:#fff}
.btn-primary:hover{background:color-mix(in srgb,var(--shu-purple) 88%,black)}
.btn-secondary{background:var(--bg);color:var(--ink);border-color:var(--line)}
.btn-secondary:hover{background:var(--bg-subtle)}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* Inputs */
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:13px;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;background:var(--bg);color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--shu-purple);box-shadow:0 0 0 3px color-mix(in srgb,var(--shu-purple) 15%,transparent)}

/* Empty states */
.empty-state{text-align:center;padding:40px 20px;color:var(--muted)}
.empty-state p{margin:0 0 14px;font-size:14px}

/* Dark mode (keep platform's body.dark convention) */
body.dark{--bg:#1a1a1e;--bg-subtle:#232329;--ink:#f2f2f4;--muted:#a0a0aa;--line:rgba(255,255,255,0.10)}

/* Responsive: sidebar collapses to top bar on mobile */
@media(max-width:760px){.dash-shell{flex-direction:column}.dash-side{width:auto;flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}.dash-main{padding:18px}}