/* Workspace layout: basic settings first, optional adjustments on demand. */
body{background:#f5f7f6;color:#243c32}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline-color:#247a5b}
.header-inner,.workspace{max-width:1400px;padding-left:32px;padding-right:32px}
.header-inner{min-height:88px;padding-top:16px;padding-bottom:16px}
.brand{gap:12px;align-items:center}
.brand-logo,html[data-logo="2"] .brand-logo{width:52px;height:52px}
.brand h1{font-size:25px;letter-spacing:-1px}
.brand p{font-size:13px;color:#617269}
.header-actions{display:flex;flex-direction:row;align-items:center;gap:10px}
.header-actions .button{font-size:13px;padding:9px 12px;white-space:nowrap}
.save-status{font-size:12px;white-space:nowrap;margin-right:8px}
.workspace{padding-top:24px}
.mode-bar{padding:16px 20px;gap:32px;border-radius:12px;margin-bottom:24px;box-shadow:none}
.mode-heading{flex:none}
.mode-bar h2{font-size:15px;margin:0 0 2px}
.mode-heading p{font-size:12px}
.mode-options{gap:10px;margin:0}
.mode-button{min-height:64px;padding:10px 14px;border-radius:9px;gap:8px}
.mode-button strong{font-size:14px;word-break:keep-all}
.mode-button small{font-size:12px;display:block;margin-top:2px;word-break:keep-all}
.mode-button.selected{background:#f0f7f3;border:1px solid #247a5b;box-shadow:inset 0 0 0 1px #247a5b}
.mode-check{font-size:16px}
.workspace-nav{display:none}
.columns{grid-template-columns:440px minmax(0,1fr);gap:24px}
.input-panel{border-radius:12px;box-shadow:none}
.panel-section{padding:22px;border-color:#e6ebe8}
.section-title{gap:9px;margin-bottom:16px}
.section-title h2{font-size:18px;letter-spacing:-.5px}
.step{width:25px;height:25px;background:#eaf3ee;color:#247a5b;font-size:12px}
.learning-section-title .button{font-size:12px;min-height:40px;padding:8px 10px}
.segmented{padding:3px;gap:3px;background:#f2f5f3;margin-bottom:18px;border-radius:8px}
.segmented button{font-size:13px;padding:8px 4px;min-height:42px;border-radius:6px}
.field{font-size:14px;margin:14px 0;gap:6px}
.field input,.field textarea,.field select{border-color:#d7e0da;border-radius:8px;font-size:15px;min-height:44px;padding:9px 11px}
.field input::placeholder,.field textarea::placeholder{font-size:14px;color:#74857b}
.field-title .required{font-size:11px;border:0;background:#f7eee1;color:#8b5428;padding:2px 5px;font-weight:600}
.optional-label{font-size:12px;color:#687b70;font-weight:400;white-space:nowrap}
.panel-section>.small.muted{font-size:12px}
.level-option{padding:13px;margin:12px 0;background:#fff;border-radius:9px}
.level-option.chosen{background:#fff;border-color:#bad3c5}
.level-heading{display:flex;justify-content:space-between;align-items:center;gap:8px}
.level-label{font-size:14px;gap:8px;min-height:28px}
.level-label input{width:17px;height:17px;flex:none;margin:0}
.level-total{font-size:12px;color:#247a5b;white-space:nowrap}
.type-counts{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px;margin-top:12px;padding-top:12px;border-top:1px solid #edf1ee}
.type-count-row{display:flex;flex-direction:column;align-items:stretch;gap:4px;margin:0;font-size:12px;font-weight:400}
.type-count-row span{flex:none}
.type-count-row select{width:100%;min-height:40px;font-size:14px;margin:0;padding:6px 9px;border-radius:7px;background:#fafcfb}
.advanced-settings{padding:0!important;margin:18px;border:1.5px solid #247a5b;border-radius:10px;background:#fff8e6;overflow:hidden;box-shadow:0 2px 6px #183c2d08}
.advanced-settings>summary{display:grid;grid-template-columns:28px minmax(0,1fr) auto;align-items:center;gap:10px;list-style:none;cursor:pointer;padding:16px;font-weight:600;min-height:80px}
.advanced-settings>summary::-webkit-details-marker{display:none}
.advanced-settings>summary:hover{background:#fff0c7}
.advanced-settings>summary::after{content:none}
.advanced-icon{display:grid;place-items:center;width:28px;height:28px;border-radius:7px;background:#247a5b;color:white;font-size:22px;line-height:1}
.advanced-icon::before{content:'＋'}
.advanced-settings[open] .advanced-icon::before{content:'−'}
.advanced-heading strong{display:block;font-size:15px;line-height:1.5;word-break:keep-all}
.advanced-heading small{display:block;font-size:11px;font-weight:400;color:#5c654a;margin-top:4px;word-break:keep-all}
.advanced-toggle{font-size:12px;color:#247a5b;background:#fff;border:1px solid #a8c8b7;border-radius:6px;padding:5px 8px;white-space:nowrap}
.advanced-settings .when-open{display:none}
.advanced-settings[open] .when-open{display:inline}
.advanced-settings[open] .when-closed{display:none}
.advanced-settings[open]>summary{border-bottom:1px solid #e1e7d8}
.advanced-body{padding:14px 16px 18px;background:#fff}
.advanced-body>.small{font-size:12px}
.custom-question-list:empty{display:none}
.custom-question-list:not(:empty){padding:0 22px 16px}
.custom-question-form{background:#fff;border-radius:9px;padding:12px}
.custom-question-form summary{font-size:13px;font-weight:600}
.detail-control{border:0;padding:0;margin:14px 0}
.detail-control>summary,.teacher-example>summary{background:#f4f7f5;border:1px solid #dbe5de;border-radius:8px;font-size:14px;font-weight:600;min-height:44px;padding:10px 12px;color:#284b39}
.detail-control>summary::before{background:transparent;color:#247a5b;width:18px;height:18px;font-size:18px}
.detail-control>summary:hover,.teacher-example>summary:hover{background:#eaf3ee;box-shadow:none}
.detail-control>summary span{font-size:12px}
.style-note{background:#f4f7f5;padding:10px 12px;border-radius:8px;font-size:12px}
.style-note>span{font-size:18px;color:#617269}
.style-note .small{font-size:12px}
.creation-panel{padding:22px;border-top:1px solid #e6ebe8;background:#fff}
.workflow-steps{font-size:12px;margin-bottom:14px}
.workflow-steps li{margin:5px 0}
.creation-panel .primary{font-size:15px;min-height:48px;justify-content:center}
.creation-panel .muted{font-size:12px}
.button{border-radius:8px}
.button.primary{box-shadow:none}
.cost-notice{border-radius:10px;margin-bottom:20px}
.result-toolbar{padding:14px 18px;border-radius:12px;gap:12px}
.result-toolbar h2{font-size:18px;white-space:nowrap}
.toolbar-buttons .button{font-size:12px;min-height:40px;padding:9px 12px}
.preview-meta{padding:12px 2px;font-size:12px}
.preview-stage{padding:20px;background:#e9eeeb;border-color:#dce4de;border-radius:10px;min-height:480px}
.empty-preview{min-height:440px;padding:30px 20px;box-shadow:0 3px 16px #183c2d06;border-radius:3px}
.preview-placeholder{font-size:36px;color:#a2b9ab;line-height:1.2}
.empty-preview h3{margin:18px 0 8px;font-size:19px}
.empty-preview p{font-size:13px;line-height:1.8;color:#617269}
.empty-guide{font-size:12px;color:#247a5b;margin-top:20px;text-underline-offset:4px;min-height:44px;display:inline-flex;align-items:center}
.import-strip{border-radius:10px;padding:14px 18px;margin-top:14px}
.import-strip .button{font-size:13px;flex:none}
.teacher-panel{border-radius:10px;margin-top:16px}
.teacher-panel>summary{padding:16px 18px;font-size:14px}
.teacher-body{padding:0 18px 18px}
.teacher-body>.small{font-size:12px}
.teacher-body .field textarea{font-size:14px;min-height:110px}
.teacher-example>summary{font-size:13px}
.teacher-example ol,.teacher-example p,.example-copy{font-size:13px}
.teacher-body .button{font-size:12px}
.upload-zone{border-radius:9px;background:#fafcfb}
.curriculum-label{background:#f3f7f4;font-size:12px}
.standard-detail{background:#f2f7f4;border-radius:8px}
.site-footer{max-width:1400px;font-size:11px;padding-top:4px}
.visit-summary strong{font-size:12px}
#worksheet-settings,#worksheet-preview{scroll-margin-top:60px}
#prompt-dialog>#prompt-text{padding:16px;background:#fafcfb;border:1px solid #d7e0da;font-size:14px;line-height:1.85;tab-size:2}
@media(max-width:650px){#prompt-dialog>.action-row{display:grid;grid-template-columns:1fr 1fr}#prompt-dialog>.action-row .button.primary{grid-column:1/-1}#prompt-dialog>.action-row .button{width:100%}}
@media(min-width:851px) and (max-width:1100px){
  .header-inner,.workspace{padding-left:24px;padding-right:24px}
  .columns{grid-template-columns:370px minmax(0,1fr);gap:20px}
  .brand p{max-width:240px}
  .mode-bar{gap:20px}
  .mode-heading p{display:none}
  .result-toolbar{flex-wrap:wrap}
}
@media(max-width:850px){
  .header-inner,.workspace{padding-left:24px;padding-right:24px}
  .header-inner{flex-wrap:wrap;gap:12px}
  .brand p{font-size:12px}
  .header-actions{margin-left:auto;gap:4px}
  .mode-bar{display:block;padding:16px}
  .mode-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}
  .mode-bar h2{margin:0;font-size:13px}
  .mode-options{margin:0}
  .mode-button{min-height:64px;padding:10px 12px}
  .columns{grid-template-columns:1fr;gap:24px}
  .workspace-nav{display:flex;justify-content:space-between;position:sticky;top:0;z-index:5;background:#f5f7f6ed;backdrop-filter:blur(8px);padding:6px 0;margin:-8px 0 12px;border-bottom:1px solid #dce4de}
  .workspace-nav a{min-height:44px;display:flex;align-items:center;font-size:13px;text-decoration:none;color:#247a5b;padding:0 8px}
  .input-panel .panel-section{padding:22px}
  .preview-stage{min-height:390px}
  .empty-preview{min-height:350px}
}
@media(max-width:520px){
  #prompt-dialog>#prompt-text{padding:12px;font-size:13px;line-height:1.8}
  .header-inner{padding:16px;gap:10px}
  .brand{gap:10px;width:100%;align-items:center}
  .brand-logo,html[data-logo="2"] .brand-logo{width:44px;height:44px}
  .brand h1{font-size:23px}
  .brand p{font-size:12px;max-width:none}
  .header-actions{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 8px;margin:0}
  .header-actions .save-status{grid-column:1/-1;grid-row:2;font-size:11px;margin:0}
  .header-actions #open-library{justify-self:start}
  .header-actions .button{font-size:12px;padding:7px 10px}
  .header-actions .button span{max-width:none}
  .workspace{padding:16px 16px 28px}
  .mode-heading p{font-size:11px}
  .mode-options{gap:8px;grid-template-columns:1fr 1fr}
  .mode-button{align-items:flex-start;gap:3px;padding:10px;min-height:82px;position:relative}
  .mode-button strong{font-size:13px;line-height:1.5;padding-right:10px}
  .mode-button small{font-size:11px;line-height:1.6;margin-top:4px}
  .mode-check{font-size:12px;position:absolute;right:8px;top:10px}
  .mode-bar{margin-bottom:20px}
  .input-panel .panel-section{padding:18px}
  .section-title h2{font-size:17px}
  .section-title{gap:8px}
  .learning-section-title .button{font-size:12px;padding:8px;min-height:40px}
  .section-title .step{width:24px;height:24px}
  .level-option{padding:12px}
  .level-label{font-size:13px}
  .type-counts{gap:10px}
  .advanced-settings{margin:16px 14px}
  .advanced-settings>summary{padding:14px 12px;grid-template-columns:24px minmax(0,1fr) auto;gap:8px}
  .advanced-icon{width:24px;height:24px;font-size:20px}
  .advanced-heading strong{font-size:14px}
  .advanced-toggle{font-size:11px;padding:5px 6px}
  .advanced-body{padding:12px 14px 16px}
  .custom-question-list:not(:empty){padding:0 18px 14px}
  .creation-panel{padding:18px}
  .result-toolbar{flex-wrap:wrap;padding:14px}
  .result-toolbar h2{font-size:17px}
  .toolbar-buttons{gap:6px}
  .toolbar-buttons .button{padding:8px 10px}
  .preview-stage{padding:14px;min-height:360px}
  .empty-preview{min-height:330px;padding:24px 14px}
  .empty-preview h3{font-size:17px}
  .import-strip{padding:14px;align-items:stretch;gap:12px}
  .teacher-panel>summary{padding:14px;font-size:14px}
  .teacher-body{padding:0 14px 14px}
}
@media(max-width:360px){
  .segmented button{font-size:12px;padding:8px 2px;word-break:keep-all}
  .section-title h2{font-size:15px}
  .learning-section-title{gap:5px}
  .learning-section-title .button{padding:8px 6px;font-size:11px}
  .level-heading{flex-wrap:wrap}
  .level-total{margin-left:25px}
  .type-counts{gap:8px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.workspace-nav{display:none!important}}