/* Learning-plan editor, shared by the admin page and the teacher page's
   experimental tab. */
.learning-plan-list{display:grid;gap:12px}.learning-plan-list-card{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 18px;background:var(--surface);border:1px solid var(--line);border-radius:15px}.learning-plan-list-card h3{margin:0 0 5px;font:600 15px 'Prompt',sans-serif}.learning-plan-list-card p{margin:0;color:var(--sub);font-size:12.5px}.learning-plan-list-card span{display:block;margin-top:5px;color:var(--sub);font-size:11px}.learning-plan-editor-head{position:sticky;top:56px;z-index:25;padding:13px 15px;margin:0 0 14px;background:color-mix(in srgb,var(--surface) 94%,transparent);border:1px solid var(--line);border-radius:14px;backdrop-filter:blur(8px)}
.learning-plan-section{margin-bottom:13px;background:var(--surface);border:1px solid var(--line);border-radius:15px;overflow:hidden}.learning-plan-section>summary{display:flex;flex-direction:column;gap:3px;padding:15px 17px;cursor:pointer;list-style:none}.learning-plan-section>summary::-webkit-details-marker{display:none}.learning-plan-section>summary span{font:600 14px 'Prompt',sans-serif;color:var(--ink)}.learning-plan-section>summary small{font-size:11.5px;color:var(--sub)}.learning-plan-section[open]>summary{border-bottom:1px solid var(--line);background:var(--grid)}.learning-plan-section-body{padding:16px}.learning-plan-field-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 12px}.learning-plan-wide-field{width:100%}.learning-plan-wide-field textarea{min-height:88px;line-height:1.6}.required-mark{color:var(--red)}
.learning-plan-units{margin:22px 0}.learning-unit-card{margin-bottom:14px;padding:16px;background:var(--surface);border:1px solid #BFDBFE;border-radius:16px;box-shadow:0 10px 24px -24px color-mix(in srgb,var(--blue) 60%,transparent)}.learning-unit-card>summary{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:15px;padding-bottom:12px;border-bottom:1px solid var(--line)}.learning-unit-card>summary span{display:block;font-size:11px;color:var(--blue);font-weight:700}.learning-unit-card>summary b{display:block;margin-top:3px;font:600 14px 'Prompt',sans-serif}.learning-unit-actions{display:flex;gap:6px}.learning-unit-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 12px}.learning-plan-repeat-row{padding:13px;margin-bottom:12px;background:var(--grid);border:1px solid var(--line);border-radius:12px}.learning-plan-repeat-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.learning-plan-repeat-head b{font-size:12.5px}.learning-plan-savebar{position:sticky;bottom:10px;z-index:24;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:20px;padding:13px 16px;background:color-mix(in srgb,var(--surface) 95%,transparent);border:1px solid #93C5FD;border-radius:14px;box-shadow:0 14px 35px -20px rgba(15,23,42,.5);backdrop-filter:blur(8px)}.learning-plan-savebar>span{font-size:12px;color:var(--sub)}
@media(max-width:900px){.learning-plan-field-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.learning-plan-list-card,.learning-plan-savebar,.learning-unit-card>summary{align-items:stretch;flex-direction:column}.learning-plan-field-grid,.learning-unit-detail-grid{grid-template-columns:1fr}.learning-unit-actions{flex-wrap:wrap}.learning-plan-editor-head{position:static}}
.learning-plan-report{border-color:var(--blue);}
.learning-plan-report-section{margin:10px 0;border:1px solid var(--line);border-radius:10px;background:var(--surface);}
.learning-plan-report-section>summary{padding:10px 13px;cursor:pointer;font-weight:600;font-size:13px;}
.learning-plan-report-section>summary small{color:var(--sub);font-weight:400;margin-left:6px;}
.learning-plan-report-section ul{margin:0;padding:0 13px 12px 13px;list-style:none;display:grid;gap:7px;}
.learning-plan-report-section li{display:grid;gap:2px;padding:8px 10px;border-radius:8px;background:var(--grid);font-size:12.5px;}
.learning-plan-report-section li b{font-family:'Prompt',sans-serif;font-size:12.5px;}
.learning-plan-report-section li span{color:var(--ink);word-break:break-word;}
.learning-plan-report-section li em{color:var(--sub);font-style:normal;}
.learning-plan-report-section li.report-filled{border-left:3px solid var(--green);}
.learning-plan-report-section li.report-skipped{border-left:3px solid var(--amber);}
.learning-plan-prompt-panel{border-color:var(--indigo);}
.learning-plan-prompt-box{width:100%;margin-top:10px;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:12.5px/1.7 ui-monospace,monospace;resize:vertical;}
.learning-plan-prompt-box:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px color-mix(in srgb,var(--blue) 11%,transparent);}
.learning-plan-studio{margin:18px 0;}
.studio-step{display:flex;align-items:flex-start;gap:14px;margin:20px 0 12px;}
.studio-step-no{width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:50%;background:var(--grid);color:var(--blue-dark);font-family:'Prompt',sans-serif;font-weight:700;}
.studio-step h3{margin:0;font-size:16px;}
.studio-step p{margin:3px 0 0;color:var(--sub);font-size:12.5px;}
.studio-card{padding:18px;border:1px solid var(--line);border-radius:15px;background:var(--surface);}
.studio-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;}
.studio-column-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:2px;}
.studio-column-head b{font-family:'Prompt',sans-serif;font-size:13px;}
.studio-column-head small{color:var(--sub);font-size:11.5px;}
.learning-plan-studio .learning-plan-field span{display:block;margin-bottom:5px;font-size:12.5px;font-weight:600;}
.learning-plan-field span .required-mark{display:inline;margin:0;}
.learning-plan-studio .learning-plan-field input,.learning-plan-studio .learning-plan-field textarea{box-sizing:border-box;width:100%;padding:10px 13px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-size:13.5px;}
.learning-plan-studio .learning-plan-field input:focus,.learning-plan-studio .learning-plan-field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px color-mix(in srgb,var(--blue) 11%,transparent);}
.learning-plan-studio .learning-plan-field select{box-sizing:border-box;width:100%;padding:10px 13px;border:1.5px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-size:13.5px}
.learning-plan-studio .learning-plan-field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px color-mix(in srgb,var(--blue) 11%,transparent)}
/* Stepwise course details: a step waits for the one before it */
.learning-plan-field .field-step{display:inline-flex;align-items:center;justify-content:center;width:17px;height:17px;margin-right:6px;border-radius:50%;background:var(--blue);color:#fff;font:600 10.5px/1 'Prompt',sans-serif;font-style:normal;vertical-align:1px}
.learning-plan-field.is-waiting{opacity:.55}
.learning-plan-field.is-waiting .field-step{background:var(--sub)}
.learning-plan-studio .learning-plan-field select:disabled{background:var(--grid);cursor:not-allowed}
/* Step-by-step wizard */
.lp-stepper{display:flex;gap:6px;list-style:none;margin:6px 0 18px;padding:0;counter-reset:none;overflow-x:auto}
.lp-stepper li{flex:1 1 0;min-width:120px;display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--sub);font-size:13px}
.lp-stepper li span{display:grid;place-items:center;flex:none;width:26px;height:26px;border-radius:50%;background:var(--grid);font:600 13px 'Prompt',sans-serif}
.lp-stepper li b{font-weight:600;line-height:1.3}
.lp-stepper li.current{border-color:var(--blue);color:var(--ink);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 12%,transparent)}
.lp-stepper li.current span{background:var(--blue);color:#fff}
.lp-stepper li.done{color:var(--ink)}
.lp-stepper li.done span{background:var(--green);color:#fff}
.lp-body{margin-bottom:14px}
.lp-hint{margin:0 0 12px;color:var(--sub);font-size:13.5px}
.lp-howto{margin:12px 0 16px;padding-left:22px;line-height:1.9;font-size:14px}
.lp-peek{margin-top:14px}
.lp-peek>summary{cursor:pointer;color:var(--sub);font-size:13px}
.lp-alt{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.lp-course-summary{display:flex;flex-direction:column;gap:2px;margin-bottom:12px;padding:12px 14px;border-radius:12px;background:var(--grid)}
.lp-course-summary b{font:600 15px 'Prompt',sans-serif}
.lp-course-summary span{color:var(--sub);font-size:13px}
.lp-nav{position:sticky;bottom:0;display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:12px 0;background:linear-gradient(transparent,var(--bg) 30%);z-index:5}
.lp-nav-status{margin-right:auto;color:var(--red);font-size:13px}
.lp-done{text-align:center;padding:32px 18px}
.lp-done h3{margin:8px 0 4px;font:600 18px 'Prompt',sans-serif}
.lp-done p{margin:0 0 16px;color:var(--sub)}
.lp-done-mark{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--green);color:#fff;font-size:26px}
.learning-unit-card>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;list-style:none}
.learning-unit-card>summary::-webkit-details-marker{display:none}
.learning-unit-card>summary>div:first-child{display:flex;flex-direction:column}
.learning-unit-card[open]>summary{margin-bottom:12px}
@media(max-width:650px){.lp-stepper li b{display:none}.lp-stepper li{min-width:0;justify-content:center}.learning-unit-card>summary{align-items:flex-start;flex-direction:column}}

/* สรุป 8 ขั้นตอน: one heading per group of its fields. */
.lp-subhead{margin:18px 0 6px;font-size:15px;color:var(--text,inherit);}
.lp-subhead:first-child{margin-top:0;}

/* QR code pictures for the four boxes of each unit */
.qr-panel{display:grid;gap:12px;}
.qr-modes{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13.5px;font-weight:600;}
.qr-modes label{display:inline-flex;align-items:center;gap:6px;cursor:pointer;}
.qr-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;}
.qr-tile{display:grid;gap:8px;justify-items:center;align-content:start;padding:12px;border:1px dashed var(--line,#E2E8F0);border-radius:12px;background:var(--surface,#fff);text-align:center;}
.qr-tile-label{font-size:12.5px;font-weight:600;line-height:1.35;}
.qr-tile img{width:96px;height:96px;object-fit:contain;background:#fff;border:1px solid var(--line,#E2E8F0);border-radius:8px;}
.qr-tile em{display:grid;place-items:center;width:96px;height:96px;border-radius:8px;background:var(--grid,#EEF2FB);color:var(--sub,#64748B);font-size:12px;font-style:normal;}
.qr-tile-actions{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;}
.qr-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;}
.qr-actions small{color:var(--sub,#64748B);font-size:12px;}
.qr-unit{margin-top:14px;padding:10px 14px;border:1px solid var(--line,#E2E8F0);border-radius:12px;background:var(--grid,#EEF2FB);}
.qr-unit>summary{cursor:pointer;font-weight:700;font-size:13.5px;display:flex;flex-wrap:wrap;gap:6px 10px;align-items:baseline;}
.qr-unit>summary small{color:var(--sub,#64748B);font-weight:500;}
.qr-unit[open]>summary{margin-bottom:12px;}