.prgm-preview-overlay{position:fixed;inset:0;z-index:10050;background:rgb(3 8 18 / 78%);display:grid;place-items:center;padding:20px;backdrop-filter:blur(5px)}
.prgm-preview-modal{box-sizing:border-box;width:min(1100px,100%);max-height:calc(100dvh - 40px);overflow:auto;padding:26px;border:1px solid #30435d;border-radius:20px;background:#101827;color:#e0e9f7;box-shadow:0 30px 110px #0009;outline:none;font-family:Arial,sans-serif}
.prgm-preview-modal.expanded{width:min(1380px,100%)}
.prgm-preview-modal *{box-sizing:border-box}
.prgm-preview-modal button{border-radius:10px;border:1px solid #2c4667;background:#203e63;color:#d9e8ff;padding:10px 14px;font:600 13px Arial,sans-serif;cursor:pointer;min-height:37px;line-height:1.2}
.prgm-preview-modal button.green-tool-button{background:#a5ed32;color:#17250b;border-color:#a5ed32;box-shadow:none}
.prgm-preview-modal button:disabled{opacity:.4;cursor:default}.prgm-preview-modal button:focus-visible,.prgm-preview-modal select:focus-visible{outline:2px solid #a5ed32;outline-offset:3px}
.prgm-preview-heading{display:flex;justify-content:space-between;gap:20px;margin-bottom:26px}.prgm-preview-heading h2{font:700 25px Arial,sans-serif;margin:9px 0}.prgm-preview-heading p{font-size:13px;color:#a5b7cf;margin:0;line-height:1.5}.prgm-preview-eyebrow{font-size:10px;letter-spacing:1.6px;color:#a5ed32;font-weight:700}
.prgm-preview-top{display:flex;gap:8px;align-items:start;flex-shrink:0}.prgm-preview-workspace{display:grid;grid-template-columns:165px minmax(0,1fr) 200px;gap:24px;align-items:start}.prgm-preview-controls{display:flex;flex-direction:column;gap:9px;padding-top:25px}.prgm-preview-controls>button{width:100%}.prgm-preview-pad{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:8px}.prgm-preview-pad button{border-radius:20px}.prgm-preview-angle{display:grid;gap:8px;font-size:11px;color:#adbed4;margin-top:14px}.prgm-preview-angle select{width:100%;padding:8px;background:#0b1320;color:#e2ecfc;border:1px solid #334863;border-radius:8px}.prgm-preview-controls small{font-size:11px;line-height:1.7;color:#93a7c3}
.prgm-preview-center{min-width:0;display:flex;flex-direction:column;align-items:center;gap:10px}.prgm-preview-size-label{font:11px monospace;color:#9aabc2}
.prgm-preview-screen-shell{width:320px;height:240px;max-width:100%;flex:none;box-shadow:0 6px 30px #0007;border-radius:5px;overflow:hidden}
.prgm-preview-screen{position:relative;width:100%;height:100%;background:#f7f7f7;color:#080808;isolation:isolate;overflow:hidden;font:14px 'Times New Roman',serif}
.prgm-preview-chrome{height:26px}
.prgm-preview-history{height:calc(100% - 26px);overflow-y:scroll;overflow-x:hidden;scrollbar-gutter:stable;overflow-anchor:none;scrollbar-width:thin;scrollbar-color:#aaa #eee;padding:3px 7px 7px;outline:none;white-space:pre-wrap;overflow-wrap:anywhere;font:14px/25px 'Times New Roman',serif;user-select:text}.prgm-preview-call{font-size:20px;font-weight:bold;margin-bottom:9px}.prgm-preview-output-row{min-height:25px;margin-left:8px}.prgm-preview-history.prgm-preview-first-input [data-current-entry] .prgm-preview-output-row{margin-left:var(--prgm-initial-output-left,8px)}.prgm-preview-previous-entry{margin-bottom:12px}.prgm-preview-finish{font-style:italic;text-align:right;border-top:1px solid #bbb;margin-top:10px;padding-top:3px}.prgm-preview-finish[hidden],.prgm-preview-request[hidden],.prgm-preview-error[hidden]{display:none!important}
.prgm-preview-modal.expanded .prgm-preview-chrome{display:none}
.prgm-calculator-row{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:14px;row-gap:3px;min-height:34px;margin:0 -7px;padding:5px 7px;width:calc(100% + 14px);background:#fff;font:16px/24px 'Times New Roman',serif;white-space:normal;overflow-wrap:normal}
.prgm-calculator-row-shaded{background:#f1f1f1}
.prgm-calculator-expression,.prgm-calculator-answer{flex:0 0 auto;min-width:0;max-width:100%;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;padding:1px 0}
.prgm-calculator-answer{margin-left:auto;text-align:right}
.prgm-calculator-row math{font:16px 'Cambria Math',serif;white-space:nowrap}
.prgm-calculator-row code{font:inherit;white-space:pre-wrap}
.prgm-calculator-answer-error{flex-shrink:1;white-space:pre-wrap;overflow-wrap:anywhere;font-style:italic}
.prgm-preview-modal.expanded .prgm-preview-history{height:100%}
.prgm-preview-graphics{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;padding:0 calc(1px * var(--prgm-graphics-scale,1));background:#fff;outline:none;cursor:default;overflow:hidden}
.prgm-preview-graphics[hidden],.prgm-preview-inspector [data-show-graphics][hidden]{display:none!important}
.prgm-preview-graphics-heading{box-sizing:border-box;height:calc(28px * var(--prgm-graphics-scale,1));flex:0 0 calc(28px * var(--prgm-graphics-scale,1));border-bottom:calc(4px * var(--prgm-graphics-scale,1)) solid #9494a7;background:#30302e;color:#fff;padding:calc(3px * var(--prgm-graphics-scale,1)) calc(6px * var(--prgm-graphics-scale,1));font-family:Arial,sans-serif;font-size:calc(16px * var(--prgm-graphics-scale,1));line-height:calc(20px * var(--prgm-graphics-scale,1));white-space:nowrap;overflow:hidden}
.prgm-preview-graphics canvas{display:block;width:100%;height:calc(100% - 28px * var(--prgm-graphics-scale,1));min-height:0;flex:1;background:#fff;object-fit:contain;image-rendering:pixelated}
.prgm-preview-keyboard{margin-top:5px;font:12px Arial,sans-serif;color:#bcd0eb}.prgm-preview-keyboard[hidden]{display:none!important}.prgm-preview-key-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;margin-top:5px}.prgm-preview-key-grid button{padding:4px;min-height:24px}
.prgm-calculator-entry{display:block;margin:12px 0 0!important;padding:3px 0!important;background:transparent;border:0;border-radius:0;box-shadow:none;width:100%;min-height:30px}
.prgm-calculator-entry[hidden],.prgm-preview-entry[hidden]{display:none!important}
.prgm-calculator-entry textarea{display:block;box-sizing:border-box;width:100%;min-height:25px;max-height:170px;resize:none;overflow:auto;border:0;border-radius:0;padding:0;margin:0;color:#111;background:transparent;outline:none;font:17px/25px 'Times New Roman',serif;box-shadow:none}
.prgm-calculator-entry textarea[hidden]{display:none!important}
.prgm-calculator-entry [data-expression-math]{padding:1px 0 5px;overflow-x:auto;font:18px 'Times New Roman',serif;max-width:100%}.prgm-calculator-entry [data-expression-math][hidden]{display:none}
.prgm-calculator-tools{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin-top:5px}.prgm-calculator-tools button{padding:6px!important;min-width:40px;min-height:36px}.prgm-preview-call math{font:20px 'Cambria Math',serif}.prgm-preview-output-row math{font:17px 'Cambria Math',serif}
.prgm-preview-calculator .prgm-preview-controls{gap:6px}.prgm-preview-calculator .prgm-preview-controls>button{min-height:30px;padding:6px 12px}.prgm-preview-calculator .prgm-preview-angle{margin-top:6px;gap:4px}.prgm-preview-calculator .prgm-preview-angle select{padding:6px}
.prgm-preview-interactive .prgm-preview-controls{gap:6px}.prgm-preview-interactive .prgm-preview-controls>button{min-height:30px;padding:6px 12px}.prgm-preview-interactive .prgm-preview-pad{margin-top:4px;gap:5px}.prgm-preview-interactive .prgm-preview-angle{margin-top:6px;gap:4px}.prgm-preview-interactive .prgm-preview-angle select{padding:6px}
.prgm-preview-request{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);margin:0!important;min-width:130px;max-width:290px;padding:7px 8px 6px!important;border:2px solid #e0e0df;background:#f1f1ef;box-shadow:2px 3px 5px #0003;color:#111;font:12px Arial,sans-serif;border-radius:0;display:block}
.prgm-preview-request-row{display:flex;gap:5px;align-items:center;max-width:270px}.prgm-preview-request-row label{font:12px Arial,sans-serif;color:#111;display:block;margin:0;overflow-wrap:anywhere;max-width:165px}.prgm-preview-request input{width:76px;min-width:50px;flex:0 1 76px;height:23px;padding:2px 3px;color:#111;background:white;border:2px solid #287cd3;border-radius:0;outline:none;font:13px Arial,sans-serif;margin:0}
.prgm-preview-request-buttons{display:flex;justify-content:center;gap:5px;margin-top:8px}.prgm-preview-request-buttons button{border:1px solid #bbb;border-radius:0;background:#fafafa;color:#111;box-shadow:none;font:12px Arial,sans-serif;min-height:25px;height:25px;padding:3px 10px;white-space:nowrap}
.prgm-preview-status{font:12px Arial,sans-serif;color:#b4c8e4;text-align:center;min-height:18px}.prgm-preview-error{max-width:100%;padding:10px 12px;background:#431b25;border:1px solid #923848;border-radius:8px;color:#ffbdc5;font-size:12px;line-height:1.5;overflow-wrap:anywhere}
.prgm-preview-inspector{min-width:0;padding-top:25px;display:flex;flex-direction:column;gap:10px}.prgm-preview-inspector h3{font:700 13px Arial,sans-serif;margin:8px 0 0}.prgm-preview-vars{max-height:290px;overflow:auto;background:#0c1421;border:1px solid #27364a;border-radius:10px;padding:10px;font-size:12px}.prgm-preview-vars p{color:#9badc5;margin:0;line-height:1.6}.prgm-preview-vars>div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;padding:6px 0;border-bottom:1px solid #223047;overflow-wrap:anywhere}.prgm-preview-vars code{color:#67dfd2}.prgm-preview-vars span{text-align:right;font-family:monospace}
.prgm-preview-support{font-size:12px;color:#a1b3cc;border-top:1px solid #293b52;margin-top:25px;padding-top:16px;line-height:1.7}.prgm-preview-support summary{cursor:pointer;color:#c3d4ea}.prgm-preview-support ul{max-height:75px;overflow:auto;overflow-wrap:anywhere}
[data-theme="light"] .prgm-preview-modal{background:#f5f8fc;color:#1e2d40}[data-theme="light"] .prgm-preview-heading p,[data-theme="light"] .prgm-preview-support,[data-theme="light"] .prgm-preview-support summary,[data-theme="light"] .prgm-preview-status{color:#45607b}

/* Variables inspector: give the light preview a light surface and readable values.
   The dark inspector and simulated calculator display are intentionally unchanged. */
[data-theme="light"] .prgm-preview-modal .prgm-preview-vars {
  background: #ffffff;
  color: #243b53;
  border-color: #cbd5e1;
  box-shadow: 0 3px 10px rgba(20,40,70,.08);
}
[data-theme="light"] .prgm-preview-modal .prgm-preview-vars > div {
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  border-bottom-color: #e2e8f0;
}
[data-theme="light"] .prgm-preview-modal .prgm-preview-vars > div:last-child {
  border-bottom-color: transparent;
}
[data-theme="light"] .prgm-preview-modal .prgm-preview-vars code {
  color: #006b80;
  font-size: 12px;
}
[data-theme="light"] .prgm-preview-modal .prgm-preview-vars span {
  color: #233b57;
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
[data-theme="light"] .prgm-preview-modal .prgm-preview-vars p {
  color: #52677f;
}

@media(max-width:760px){.prgm-preview-overlay{padding:8px}.prgm-preview-modal{padding:17px;max-height:calc(100dvh - 16px)}.prgm-preview-heading{flex-direction:column;gap:12px;margin-bottom:16px}.prgm-preview-workspace{grid-template-columns:minmax(0,1fr);gap:15px}.prgm-preview-center{grid-row:1}.prgm-preview-controls{padding:0;display:grid;grid-template-columns:1fr 1fr}.prgm-preview-pad{grid-column:1/-1;display:flex;margin:0;justify-content:center}.prgm-preview-angle{margin:0}.prgm-preview-controls small{align-self:center}.prgm-preview-inspector{padding:0;display:grid;grid-template-columns:1fr 1fr}.prgm-preview-inspector h3,.prgm-preview-vars{grid-column:1/-1}.prgm-preview-vars{max-height:130px}.prgm-preview-vars>div{grid-template-columns:1fr 1fr}.prgm-preview-support{margin-top:15px}}