/* =========================================================
   Studio — Project workspace  (/studio/app/project/)
   Dark spatial theme — matches the surrounding shell instead of
   the old light card-grid look. Colors are literal (no --sa-*
   tokens) so this never depends on studio-app.css being loaded.
   ========================================================= */

.pw-tabs{display:flex;gap:6px;margin-bottom:22px;border-bottom:1px solid rgba(255,255,255,.09);overflow-x:auto;}
.pw-tab{padding:11px 16px;border:0;background:transparent;border-bottom:2px solid transparent;cursor:pointer;
  font-family:inherit;font-size:13.5px;font-weight:750;color:rgba(241,245,249,.5);white-space:nowrap;transition:color .15s;}
.pw-tab:hover{color:#fff;}
.pw-tab.is-active{color:#fff;border-bottom-color:#2563eb;}

.pw-mode{display:none;}
.pw-mode.is-active{display:block;animation:pw-fade .2s ease;}
@keyframes pw-fade{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:none;}}

/* ---------- Visual System Designer (nested workbench, dark) ---------- */
.vsd-tabs{display:flex;gap:4px;margin-bottom:18px;background:rgba(255,255,255,.05);border-radius:11px;padding:4px;width:fit-content;}
.vsd-tab{padding:8px 16px;border:0;background:transparent;border-radius:8px;cursor:pointer;
  font-family:inherit;font-size:12.5px;font-weight:750;color:rgba(241,245,249,.55);}
.vsd-tab.is-active{background:rgba(37,99,235,.18);color:#93c5fd;}
.vsd-panel{display:none;}
.vsd-panel.is-active{display:block;}

.vsd-section{background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.09);border-radius:14px;margin-bottom:12px;overflow:hidden;}
.vsd-section-head{width:100%;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;
  background:transparent;border:0;cursor:pointer;text-align:left;font-family:inherit;}
.vsd-section-head strong{font-size:13.5px;font-weight:800;color:#fff;}
.vsd-section-head span.sub{font-size:11px;color:rgba(241,245,249,.45);margin-left:10px;}
.vsd-section-body{padding:0 16px 18px;}

.vsd-field-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px;}
.vsd-field-grid.cols-3{grid-template-columns:repeat(3,1fr);}
.vsd-field-grid.cols-5{grid-template-columns:repeat(5,1fr);}
.vsd-label{display:block;font-size:10px;font-weight:750;color:rgba(241,245,249,.45);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px;}
.vsd-input{width:100%;height:36px;padding:0 10px;border-radius:8px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);
  font-family:inherit;font-size:12.5px;color:#fff;outline:none;}
.vsd-color-row{display:flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.14);border-radius:8px;padding:5px 8px;background:rgba(255,255,255,.04);}
.vsd-color-row input[type="color"]{width:22px;height:22px;padding:0;border:0;border-radius:5px;cursor:pointer;}
.vsd-color-row code{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:rgba(241,245,249,.6);}

/* Direction picker: a compact single-column list with inline expand,
   not a grid of always-open cards. */
.vsd-direction-grid{display:flex;flex-direction:column;gap:0;}
.vsd-direction-card{text-align:left;cursor:pointer;border:0;border-top:1px solid rgba(255,255,255,.08);
  background:transparent;font-family:inherit;padding:13px 4px;display:flex;align-items:center;gap:12px;width:100%;}
.vsd-direction-grid > .vsd-direction-card:first-child{border-top:0;}
.vsd-direction-card:hover{background:rgba(255,255,255,.03);}
.vsd-direction-card.is-selected{background:rgba(37,99,235,.07);}
.vsd-direction-card .name{font-size:13.5px;font-weight:800;color:#fff;}
.vsd-direction-card .tagline{font-size:11px;font-weight:650;color:#93c5fd;margin-top:1px;}
.vsd-direction-card .desc{display:none;}
.vsd-direction-card.is-selected .desc{display:block;font-size:12px;color:rgba(241,245,249,.6);line-height:1.5;margin-top:8px;}
.vsd-direction-dot{width:8px;height:8px;border-radius:50%;flex:none;background:rgba(255,255,255,.15);}
.vsd-direction-card.is-selected .vsd-direction-dot{background:#4ade80;}
.vsd-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;}
.vsd-chip{font-size:10.5px;font-weight:650;color:rgba(241,245,249,.6);background:rgba(255,255,255,.06);border-radius:999px;padding:3px 9px;}

.vsd-preview-frame{border-radius:14px;background:#050c15;border:1px solid rgba(255,255,255,.08);min-height:380px;
  display:flex;align-items:center;justify-content:center;padding:22px;}
.vsd-preview-card{border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.4);}

.vsd-check-row{border-radius:11px;padding:13px 15px;margin-bottom:8px;border:1px solid rgba(255,255,255,.1);}
.vsd-check-row.pass{border-color:rgba(74,222,128,.3);background:rgba(74,222,128,.05);}
.vsd-check-row.warn{border-color:rgba(224,169,63,.3);background:rgba(224,169,63,.06);}
.vsd-check-row.fail{border-color:rgba(196,96,74,.35);background:rgba(196,96,74,.07);}
.vsd-check-title{font-size:13px;font-weight:800;color:#fff;}
.vsd-check-cat{font-size:10px;font-weight:750;color:rgba(241,245,249,.4);text-transform:uppercase;letter-spacing:.04em;}
.vsd-check-detail{font-size:12px;color:rgba(241,245,249,.6);margin-top:6px;line-height:1.5;}
.vsd-check-actions{display:flex;gap:6px;margin-top:10px;}
.vsd-check-actions button{height:26px;padding:0 11px;border-radius:7px;border:1px solid rgba(255,255,255,.14);background:transparent;
  font-family:inherit;font-size:11px;font-weight:700;cursor:pointer;color:rgba(241,245,249,.7);}

@media (max-width:900px){
  .vsd-field-grid,.vsd-field-grid.cols-3,.vsd-field-grid.cols-5{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .vsd-field-grid,.vsd-field-grid.cols-3,.vsd-field-grid.cols-5{grid-template-columns:1fr;}
}