/* The IT studios: Web Authoring Studio, Web Scripting Sandbox, Vector or Bitmap?, Tween Studio and Edit Suite
   (information-technology/*.php). The page chrome is the one-screen layout in /css/resource.css; these are the
   parts the five share: panel headings, code editors, task lists and their checklists, readouts, the end-of-set
   review and a toast. Each page's own .css lays out its stage. Theme tokens only. */

.rp-main{gap:10px}
.st-panel{min-height:0;min-width:0;display:flex;flex-direction:column;padding:10px 12px 12px}
.st-head{display:flex;align-items:center;justify-content:space-between;gap:6px 10px;flex-wrap:wrap;flex:none;margin-bottom:6px}
.st-scroll{flex:1;min-height:0;overflow:auto}
.st-row{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.st-note{margin:0;font-size:13px;line-height:1.45;color:var(--ink-soft)}
.st-note b,.st-note strong{color:var(--ink)}
.st-muted{color:var(--muted)}
.st-mono,.st-note code,.st-task code,.st-check code{font-family:var(--font-mono);font-size:.92em}
.st-note code,.st-task code,.st-check code{background:var(--panel-2);border:1px solid var(--line);border-radius:3px;padding:0 3px}

/* a code editor: a plain textarea (Tab indents) */
.st-editor{flex:1;min-height:0;width:100%;resize:none;font:13.5px/1.5 var(--font-mono);color:var(--ink);background:var(--paper);
  border:1.5px solid var(--line-strong);border-radius:6px;padding:8px 10px;tab-size:2;white-space:pre;overflow:auto}
.st-editor:focus{outline:2px solid var(--focus);outline-offset:1px;border-color:transparent}
.st-editor[readonly]{background:var(--panel-2);color:var(--ink-soft)}
.st-file{display:inline-flex;align-items:center;gap:6px;font:600 12px/1 var(--font-mono);color:var(--ink-soft)}
.st-file i{font-style:normal;font-size:11px;padding:2px 6px;border-radius:3px;background:var(--accent-tint);color:var(--accent-deep)}
.st-file i.css{background:var(--accent-b-tint);color:var(--accent-b-deep)}
.st-file i.js{background:var(--warn-tint);color:var(--warn)}

/* the task list and the current task */
.st-tasks{display:flex;flex-wrap:wrap;gap:4px}
.st-pip{min-width:28px;height:28px;padding:0 5px;border-radius:5px;border:1px solid var(--line-strong);background:var(--panel);color:var(--ink-soft);font:600 12px/1 var(--font-mono);cursor:pointer}
.st-pip:hover{border-color:var(--accent)}
.st-pip.now{outline:2px solid var(--accent);outline-offset:1px}
.st-pip.done{background:var(--ok);border-color:var(--ok);color:#fff}
.st-pip.shown{background:var(--hint-tint);border-color:var(--hint);color:var(--ink)}
.st-pip:focus-visible{outline:2px solid var(--focus);outline-offset:1px}
.st-level{display:inline-block;padding:3px 7px;border-radius:3px;font:600 11px/1 var(--font-mono);letter-spacing:.05em;text-transform:uppercase;background:var(--accent-tint);color:var(--accent-deep)}
.st-level.l2{background:var(--accent-b-tint);color:var(--accent-b-deep)}
.st-level.l3{background:var(--hint-tint);color:var(--hint)}
.st-task h3{margin:6px 0 4px;font:700 16px/1.3 var(--font-display);color:var(--ink)}
.st-task p{margin:0 0 6px;font-size:14px;line-height:1.5;color:var(--ink-soft)}
.st-task ul{margin:0 0 6px;padding-left:18px;font-size:14px;color:var(--ink-soft)}
.st-checks{list-style:none;margin:6px 0;padding:0;display:flex;flex-direction:column;gap:4px}
.st-check{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;line-height:1.4;color:var(--ink-soft);padding:5px 8px;border-radius:5px;background:var(--panel-2);border-left:3px solid var(--line-strong)}
.st-check::before{content:"○";font:700 13px/1.4 var(--font-mono);color:var(--muted);flex:none}
.st-check.ok{border-left-color:var(--ok)}
.st-check.ok::before{content:"✓";color:var(--ok)}
.st-check.bad{border-left-color:var(--bad)}
.st-check.bad::before{content:"✗";color:var(--bad)}
.st-check .why{display:block;color:var(--ink);margin-top:2px}
.st-done{margin:6px 0;padding:8px 12px;border-left:3px solid var(--ok);background:var(--ok-tint);border-radius:0 6px 6px 0;font-size:14px;color:var(--ink)}
.st-hint{margin:6px 0;padding:8px 12px;border-left:3px solid var(--hint);background:var(--hint-tint);border-radius:0 6px 6px 0;font-size:13.5px;line-height:1.5;color:var(--ink)}
.st-model{margin:4px 0 6px;padding:8px 10px;background:var(--panel-2);border:1px solid var(--line);border-radius:6px;font:12.5px/1.45 var(--font-mono);color:var(--ink);white-space:pre-wrap;overflow-wrap:anywhere;max-height:220px;overflow:auto}

/* readouts */
table.st-read{width:100%;border-collapse:collapse;font-size:13px}
table.st-read th,table.st-read td{padding:5px 6px;border-bottom:1px solid var(--line);vertical-align:middle}
table.st-read th{font:600 11px/1.2 var(--font-display);text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
table.st-read td.n{text-align:right;font-family:var(--font-mono);font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--ink)}
.st-big{font:700 20px/1.2 var(--font-mono);color:var(--accent-deep)}
.st-stat{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:7px 10px}
.st-stat .k{font:600 10.5px/1.2 var(--font-display);text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.st-stat .v{font:700 17px/1.25 var(--font-mono);color:var(--ink);margin-top:2px}
.st-stat .s{font-size:12px;color:var(--muted)}

/* controls */
.st-field{display:flex;flex-direction:column;gap:3px}
.st-field > label,.st-field > .lab{display:flex;justify-content:space-between;align-items:baseline;gap:8px;font:600 12.5px/1.3 var(--font-display);color:var(--ink)}
.st-field output,.st-field .v{font:500 12.5px/1.3 var(--font-mono);color:var(--accent-deep)}
.st-field input[type=range]{width:100%;margin:0;height:26px;accent-color:var(--accent);cursor:pointer}
.st-field select{font:600 13.5px/1.3 var(--font-body);color:var(--ink);background:var(--panel);border:1px solid var(--line-strong);border-radius:5px;padding:6px 8px}
.st-seg{display:inline-flex;flex-wrap:wrap;gap:4px}
.st-seg button{font:600 12.5px/1.2 var(--font-display);padding:6px 10px;border-radius:999px;border:1px solid var(--line-strong);background:var(--panel);color:var(--ink-soft);cursor:pointer}
.st-seg button[aria-pressed="true"],.st-seg button[aria-checked="true"]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.st-seg button:focus-visible{outline:2px solid var(--focus);outline-offset:1px}

/* the end-of-set review (after a quiz) */
.st-review{margin-top:12px;padding:12px 14px;border-radius:8px;background:var(--panel-2);border:1px solid var(--line)}
.st-review h3{margin:0 0 6px;font:700 14px/1.2 var(--font-display);color:var(--ink)}
.st-review ol{margin:0;padding-left:20px;font-size:13.5px;color:var(--ink-soft)}
.st-review li{margin:6px 0}
.st-review .ans{color:var(--ok);font-weight:600}
.st-review .was{color:var(--bad)}

.liwm-toast.st-toast{border-radius:12px;line-height:1.35;max-width:min(92vw,560px)}   /* the shared toast (css/resource.css), for longer messages */

/* phones and tablets: bigger targets */
@media (max-width:900px){
  .rp-controls{width:100%}
  .seg-toggle button{min-height:40px}
  .btn{min-height:40px}
  .st-pip{min-width:40px;height:40px}
  .st-seg button{min-height:40px}
  .st-field input[type=range]{height:40px}
  .st-field select{min-height:40px}
  .st-editor{font-size:14px}
}
@media (max-width:640px){
  .rp-main{padding-left:10px;padding-right:10px}
  .rp-controls .seg-toggle{display:flex;width:100%}
  .rp-controls .seg-toggle button{flex:1 1 0;justify-content:center;white-space:normal;text-align:center;line-height:1.15;padding:8px 6px;min-width:0}
  .st-editor{font-size:16px}
}
@media (min-width:901px) and (max-width:1500px){
  .rp-controls .seg-toggle button{padding:9px 12px}
  .rp-titlebar{column-gap:18px}
}