:root{
  --paper:#F4F8FC;
  --paper-shadow:#DCE9F4;
  --ink:#1E2E3D;
  --ink-soft:#54697D;
  --chalkboard:#264B72;
  --chalkboard-dark:#1B3554;
  --chalk:#EAF3FB;
  --accent:#2E72A4;
  --accent-dark:#235880;
  --accent-soft:#BFE0F2;
  --danger:#C1443B;
  --danger-dark:#9E332B;
  --card-bg:#FFFFFF;
  --border:#C9DAE8;
  --border-soft:#E1EBF4;
  --radius:14px;
  --shadow:0 2px 10px rgba(30,46,61,0.07), 0 1px 2px rgba(30,46,61,0.09);
  --worksheet-max-width:715px;
  font-family:'Work Sans',sans-serif;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
body{
  background:
    linear-gradient(var(--paper-shadow) 1px, transparent 1px) 0 0/100% 28px,
    var(--paper);
  color:var(--ink);
  min-height:100vh;
  padding-bottom:60px;
}
h1,h2,h3,.display{font-family:'Fredoka',sans-serif;}

/* ---------- Header ---------- */
.app-header{
  background:linear-gradient(180deg, var(--chalkboard) 0%, var(--chalkboard-dark) 100%);
  color:var(--chalk);
  padding:28px 24px 34px;
  position:relative;
  overflow:hidden;
  border-bottom:6px solid var(--accent-soft);
}
.app-header::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-2px; height:10px;
  background-image:repeating-linear-gradient(90deg, var(--chalk) 0 14px, transparent 0 22px);
  opacity:.15;
}
.app-header-inner{max-width:1180px;margin:0 auto;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;}
.app-header h1{font-size:1.9rem;margin:0;letter-spacing:.2px;}
.app-header h1 .accent{color:var(--accent-soft);}
.app-header p{margin:4px 0 0;color:#C7D9EA;font-size:.95rem;max-width:640px;}

/* ---------- Layout ---------- */
.layout{
  max-width:1180px;
  margin:26px auto 0;
  padding:0 24px;
  display:grid;
  grid-template-columns:340px 1fr;
  gap:22px;
  align-items:start;
}
@media (max-width:900px){
  .layout{grid-template-columns:1fr;}
}

.card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:20px 20px 22px;
}
.card h2{
  font-size:1.05rem;
  margin:0 0 14px;
  display:flex;align-items:center;gap:8px;
}
.card h2 .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);display:inline-block;}

.field-group{margin-bottom:16px;}
.field-group:last-child{margin-bottom:0;}
label.section-label{
  font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--ink-soft);font-weight:600;display:block;margin-bottom:8px;
}
select, input[type=number], input[type=text]{
  width:100%;
  padding:9px 10px;
  border:1.5px solid var(--border);
  border-radius:9px;
  font-family:inherit;
  font-size:.92rem;
  background:var(--paper);
  color:var(--ink);
}
select:focus, input:focus{outline:2px solid var(--accent);outline-offset:1px;}

.op-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;}
.op-check{
  display:flex;align-items:center;gap:8px;
  padding:6px 8px;border-radius:8px;
  font-size:.86rem;
  cursor:pointer;
  border:1px solid transparent;
}
.op-check:hover{background:var(--paper-shadow);}
.op-check input{accent-color:var(--accent);width:15px;height:15px;flex-shrink:0;}
.op-check.disabled{cursor:not-allowed;color:var(--ink-soft);}
.op-check.disabled:hover{background:none;}
.op-check.disabled input{opacity:.5;}
.op-hint{font-style:normal;font-size:.85em;}
.op-note{font-size:.72rem;color:var(--ink-soft);margin-top:6px;font-style:italic;}

.dims-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;}

.btn{
  font-family:'Work Sans',sans-serif;
  font-weight:600;
  border:none;
  border-radius:9px;
  padding:11px 16px;
  cursor:pointer;
  font-size:.9rem;
  transition:transform .08s ease, box-shadow .08s ease;
  width:100%;
}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 0 var(--accent-dark);}
.btn-primary:hover{background:#3680B8;}
.btn-secondary{background:var(--paper);border:1.5px solid var(--border);color:var(--ink);}
.btn-secondary:hover{background:var(--paper-shadow);}
.btn-ghost{background:transparent;border:1.5px dashed var(--border);color:var(--ink-soft);}
.btn-row{display:flex;gap:8px;}
.btn-row .btn{flex:1;}

.file-label{
  display:block;text-align:center;
  font-weight:600;font-size:.9rem;
  padding:11px 16px;border-radius:9px;
  border:1.5px solid var(--border);
  background:var(--paper);cursor:pointer;
}
.file-label:hover{background:var(--paper-shadow);}
.file-label input{display:none;}

.warning-msg{
  background:#fdf1ee;border:1px solid #f0c9c1;color:var(--danger-dark);
  padding:8px 10px;border-radius:8px;font-size:.82rem;margin-top:10px;display:none;
}

/* ---------- Worksheet preview ---------- */
.worksheet-wrap{position:relative;}
#worksheet{
  background:var(--paper);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:34px 28px 40px;
  min-height:420px;
  position:relative;
  max-width: var(--worksheet-max-width);
}
#worksheetActions{
  max-width: var(--worksheet-max-width);
}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:380px;color:var(--ink-soft);text-align:center;gap:10px;
}
.empty-state .big{font-size:2.4rem;}
.empty-state h3{margin:0;color:var(--ink);}
.empty-state p{margin:0;font-size:.88rem;max-width:320px;}

.ws-id-stamp{
  position:absolute;top:22px;right:26px;
  border:2.5px dashed var(--accent);
  color:var(--accent);
  padding:6px 12px;
  border-radius:8px;
  font-family:'IBM Plex Mono',monospace;
  font-weight:600;font-size:.85rem;
  transform:rotate(-4deg);
  background:rgba(46,114,164,0.05);
}
.ws-title{font-size:1.3rem;margin:0 0 4px;padding-right:150px;}
.ws-title-meta{font-size:.6em;font-weight:500;color:var(--ink-soft);}

.ws-sub{color:var(--ink-soft);font-size:.85rem;margin:0 0 18px;}
.ws-namebar{
  display:flex;gap:28px;margin-bottom:22px;flex-wrap:wrap;
  font-size:.92rem;
}
.ws-line{flex:1;min-width:160px;border-bottom:1.5px solid var(--ink);padding-bottom:4px;}
.ws-line .lbl{color:var(--ink-soft);margin-right:8px;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;}

.answer-banner{
  display:inline-block;background:var(--accent-soft);color:var(--chalkboard-dark);
  font-weight:700;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 10px;border-radius:6px;margin-bottom:14px;
}

.ws-grid{
  display:grid;
  gap:16px 22px;
  font-family:'IBM Plex Mono',monospace;
  font-size:.95rem;
  line-height:1.5;
}
.q-item{display:flex;gap:8px;align-items:baseline;}
.q-num{color:var(--ink-soft);font-weight:500;font-size:.85em;flex-shrink:0;min-width:1.6em;}
.q-text{word-break:break-word;}
.q-text .blank{
  display:inline-block;border-bottom:1.6px solid var(--ink);min-width:52px;
}
.q-text .ans{
  color:var(--accent);
  font-weight:700;
  border:1.5px dashed var(--accent);
  border-radius:6px;
  padding:1px 8px;
  margin:0 2px;
  background:rgba(46,114,164,0.06);
}

/* ---------- History panel ---------- */

.hist-types{
  max-width:150px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  font-size:.8rem;
  color:var(--ink-soft);
}
.history-panel{max-width:1180px;margin:22px auto 0;padding:0 24px;}
.history-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.lookup-row{display:flex;gap:10px;margin:14px 0;flex-wrap:wrap;}
.lookup-row input{flex:1;min-width:220px;font-family:'IBM Plex Mono',monospace;}
.lookup-feedback{font-size:.8rem;color:var(--ink-soft);margin-top:-6px;margin-bottom:10px;}
.history-list{
  max-height:250px;overflow-y:auto;overflow-x:auto;
  border:1px solid var(--border);border-radius:10px;
}
table.hist-table{width:100%;border-collapse:collapse;font-size:.84rem;}
table.hist-table th{
  position:sticky;top:0;background:var(--paper);
  text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);
  color:var(--ink-soft);font-weight:600;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;
}
.sort-th{
  background:none;border:none;padding:0;margin:0;cursor:pointer;
  font:inherit;color:inherit;text-transform:inherit;letter-spacing:inherit;
  display:inline-flex;align-items:center;gap:4px;
}
.sort-th:hover{color:var(--accent);}
.sort-th::after{content:"\2195";opacity:.35;font-size:.9em;}
.sort-th[data-active="asc"]::after{content:"\2191";opacity:1;color:var(--accent);}
.sort-th[data-active="desc"]::after{content:"\2193";opacity:1;color:var(--accent);}
table.hist-table td{padding:7px 10px;border-bottom:1px solid var(--border-soft);vertical-align:middle;}
table.hist-table tr:last-child td{border-bottom:none;}
table.hist-table tr:hover td{background:var(--paper-shadow);}
.hist-id{font-family:'IBM Plex Mono',monospace;color:var(--accent);font-weight:600;}
.hist-actions{display:flex;gap:6px;justify-content:flex-end;}
.hist-memo{font-size:.72rem;color:var(--ink-soft);font-weight:400;margin-top:2px;}
.mini-btn{
  border:1px solid var(--border);background:var(--paper);border-radius:6px;
  padding:4px 8px;font-size:.75rem;cursor:pointer;color:var(--ink);
}
.mini-btn:hover{background:var(--paper-shadow);}
.mini-btn.del{color:var(--danger);border-color:#f0c9c1;}
.mini-btn.del:hover{background:#fdf1ee;}
.hist-empty{padding:18px 12px;color:var(--ink-soft);font-size:.85rem;text-align:center;}

.history-body{margin-top:14px;}
.history-actions-bottom{display:flex;justify-content:flex-end;margin-top:10px;}
.storage-notice{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  background:#fdf1ee;border:1px solid #f0c9c1;color:var(--danger-dark);
  padding:10px 12px;border-radius:8px;font-size:.85rem;margin-bottom:14px;
}
.storage-notice button{flex-shrink:0;}
.storage-notice[hidden]{display:none !important;}

/* ---------- Print ---------- */
@media print{
  body{background:#fff;padding:0;}
  .app-header,.layout > .card:first-child,.history-panel,.no-print{display:none !important;}
  .layout{display:block;margin:0;padding:0;max-width:none;}
  .worksheet-wrap{grid-column:1 / -1;}
  #worksheet{
    box-shadow:none;border:none;border-radius:0;padding:0;min-height:0;
  }
  .ws-id-stamp{position:absolute;top:0;right:0;}
  @page{
    margin: 0.4in;
  }
}

/* =========================================================================
   Landing page content (below the tool)
   ========================================================================= */
.landing{background:var(--paper);}
.landing-inner{max-width:1180px;margin:0 auto;padding:0 24px;}
.landing-section{padding:48px 0;border-top:1px solid var(--border-soft);}
.landing-section h2{font-size:1.55rem;margin:0 0 14px;color:var(--ink);}
.landing-section p{color:var(--ink-soft);line-height:1.65;font-size:.98rem;max-width:760px;}

.landing-intro{padding-top:52px;}
.landing-lede{font-size:1.1rem;color:var(--ink);max-width:720px;}

.landing-list{margin:14px 0 16px;padding-left:22px;color:var(--ink-soft);line-height:1.7;}
.landing-list li{margin-bottom:4px;}
.landing-example{
  margin-top:18px;
  padding:14px 18px;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-left:4px solid var(--accent);
  border-radius:8px;
  font-size:.92rem;
}
.skill-table-wrap{
  overflow-x:auto;
  margin-top:14px;
  border:1px solid var(--border);
  border-radius:var(--radius);
}
.skill-table{
  width:100%;
  border-collapse:collapse;
  font-size:.85rem;
  background:var(--card-bg);
}
.skill-table th{
  text-align:left;
  padding:10px 14px;
  background:var(--paper-shadow);
  color:var(--ink);
  font-weight:600;
  font-size:.78rem;
  text-transform:uppercase;
  letter-spacing:.04em;
  white-space:nowrap;
}
.skill-table td{
  padding:10px 14px;
  border-top:1px solid var(--border-soft);
  color:var(--ink-soft);
  vertical-align:top;
}
.skill-table td:first-child{
  font-weight:600;
  color:var(--ink);
  white-space:nowrap;
}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:18px;
  margin-top:8px;
}
@media (max-width:900px){ .feature-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:600px){ .feature-grid{grid-template-columns:1fr;} }
.feature-card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:20px;
}
.feature-icon{font-size:1.6rem;display:block;margin-bottom:8px;}
.feature-card h3{margin:0 0 6px;font-size:1rem;color:var(--ink);}
.feature-card p{margin:0;font-size:.88rem;}

.steps-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:18px;
  margin-top:8px;
}
@media (max-width:800px){ .steps-grid{grid-template-columns:1fr;} }
.step-card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px 20px;
  position:relative;
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;
  background:var(--accent);color:#fff;font-weight:700;font-size:.9rem;
  margin-bottom:10px;
}
.step-card h3{margin:0 0 6px;font-size:1rem;color:var(--ink);}
.step-card p{margin:0;font-size:.88rem;}

.landing-cta{
  background:linear-gradient(180deg, var(--chalkboard) 0%, var(--chalkboard-dark) 100%);
}
.landing-cta-inner{text-align:center;padding:8px 0;}
.landing-cta h2{color:var(--chalk);}
.landing-cta p{color:#C7D9EA;margin:0 auto 20px;}
.landing-cta-btn{
  display:inline-block;
  width:auto;
  text-decoration:none;
  padding:13px 26px;
}

.faq-list{display:flex;flex-direction:column;gap:10px;margin-top:8px;max-width:820px;}
.faq-item{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:10px;
  padding:14px 18px;
}
.faq-item summary{
  cursor:pointer;
  font-weight:600;
  color:var(--ink);
  font-size:.98rem;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"+";
  display:inline-block;
  width:1.2em;
  color:var(--accent);
  font-weight:700;
}
.faq-item[open] summary::before{content:"\2212";}
.faq-item p{margin:10px 0 0;font-size:.9rem;}

.site-footer{
  text-align:center;
  padding:26px 24px 40px;
  color:var(--ink-soft);
  font-size:.85rem;
  background:var(--paper);
}

@media print{
  .landing, .site-footer{display:none !important;}
}
/* Top site menu */
.site-menu{display:flex;align-items:center;gap:4px;flex-wrap:wrap;margin-top:10px;}
.site-menu a{color:#fff;text-decoration:none;font-size:.88rem;font-weight:600;padding:6px 10px;border-radius:7px;opacity:.9;}
.site-menu a:hover,.site-menu a.current{background:rgba(255,255,255,.15);opacity:1;}
.site-menu .menu-grade-flat{display:contents;}
.site-menu .menu-dropdown{position:relative;display:none;}
.site-menu .menu-dropdown>button{background:none;border:none;color:#fff;font:inherit;font-size:.88rem;font-weight:600;padding:6px 10px;border-radius:7px;cursor:pointer;opacity:.9;}
.site-menu .menu-dropdown>button:hover,.site-menu .menu-dropdown[data-open="true"]>button{background:rgba(255,255,255,.15);opacity:1;}
.site-menu .menu-dropdown-panel{display:none;position:absolute;top:calc(100% + 4px);left:0;background:var(--paper);border:1.5px solid var(--border);border-radius:9px;box-shadow:0 8px 24px rgba(0,0,0,.18);padding:6px;min-width:130px;z-index:40;}
.site-menu .menu-dropdown[data-open="true"] .menu-dropdown-panel{display:block;}
.site-menu .menu-dropdown-panel a{display:block;color:var(--ink);padding:7px 10px;border-radius:6px;font-size:.88rem;font-weight:500;}
.site-menu .menu-dropdown-panel a:hover,.site-menu .menu-dropdown-panel a.current{background:var(--accent-soft);color:var(--accent-dark);}
@media (max-width:760px){
  .site-menu .menu-grade-flat{display:none;}
  .site-menu .menu-dropdown{display:inline-block;}
}

/* Breadcrumbs */
.breadcrumb-trail{font-size:.85rem;color:var(--ink-soft);margin:0 0 12px;}
.breadcrumb-trail a{color:var(--accent-dark);text-decoration:none;}
.breadcrumb-trail a:hover{text-decoration:underline;}
.breadcrumb-trail .sep{margin:0 6px;color:var(--ink-soft);}
.breadcrumb-trail .current{color:var(--ink);font-weight:600;}
/* =========================================================================
   Browse Worksheets by Grade — navigation cards
   ========================================================================= */
.grade-nav-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));
  gap:14px;
  margin-top:18px;
}
.grade-card{
  display:flex;
  align-items:center;
  gap:14px;
  background:var(--card-bg);
  border:1.5px solid var(--border);
  border-radius:var(--radius);
  padding:16px 18px;
  text-decoration:none;
  color:var(--ink);
  transition:all .15s ease;
  box-shadow:var(--shadow);
}
.grade-card:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(30,46,61,0.10);
  border-color:var(--accent);
}
.grade-card .grade-num{
  display:flex;
  align-items:center;
  justify-content:center;
  width:48px;height:48px;
  border-radius:12px;
  background:linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color:#fff;
  font-family:'Fredoka',sans-serif;
  font-size:1.4rem;
  font-weight:700;
  flex-shrink:0;
}
.grade-card .grade-info{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.grade-card .grade-label{
  font-size:.9rem;
  font-weight:600;
  color:var(--ink);
  line-height:1.3;
}
.grade-card .grade-desc{
  font-size:.78rem;
  color:var(--ink-soft);
  line-height:1.35;
}
.grade-card .grade-arrow{
  margin-left:auto;
  color:var(--accent);
  font-size:1.1rem;
  opacity:.6;
  transition:opacity .15s ease;
}
.grade-card:hover .grade-arrow{
  opacity:1;
}
@media (max-width:600px){
  .grade-nav-grid{grid-template-columns:1fr;}
}

/* =========================================================================
   5. GRADE LANDING PAGES (grade-1 through grade-7)
   ========================================================================= */

/* ---------- Grade page: sample problems ---------- */
.sample-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(200px, 1fr));
  gap:12px;
  margin:16px 0;
}
.sample-card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  font-family:'IBM Plex Mono',monospace;
  font-size:.92rem;
}
.sample-card .ans{
  color:var(--accent);
  font-weight:700;
  margin-top:8px;
  padding-top:8px;
  border-top:1px dashed var(--border);
}

/* ---------- Grade page: topic tags ---------- */
.topic-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:12px 0;
}
.topic-tag{
  background:var(--accent-soft);
  color:var(--chalkboard);
  padding:6px 14px;
  border-radius:20px;
  font-size:.82rem;
  font-weight:600;
}

/* ---------- Grade page: CTA box ---------- */
.cta-box{
  background:linear-gradient(180deg, var(--chalkboard) 0%, var(--chalkboard-dark) 100%);
  color:var(--chalk);
  border-radius:var(--radius);
  padding:28px 24px;
  text-align:center;
  margin:24px 0;
}
.cta-box h3{margin:0 0 10px;font-size:1.3rem;}
.cta-box p{color:#C7D9EA;margin:0 0 16px;}

/* ---------- Grade page: internal grade nav ---------- */
.grade-nav{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:16px 0;
}
.grade-nav a{
  display:inline-block;
  padding:8px 16px;
  background:var(--card-bg);
  border:1.5px solid var(--border);
  border-radius:8px;
  text-decoration:none;
  color:var(--ink);
  font-weight:600;
  font-size:.88rem;
}
.grade-nav a:hover{background:var(--accent-soft);border-color:var(--accent);}
.grade-nav a.current{background:var(--accent);color:#fff;border-color:var(--accent);}

/* ---------- Grade page: sample worksheet images ---------- */
.sample-worksheets{
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  margin:16px 0 28px;
  align-items:flex-start;
}
.sample-figure{
  margin:0;
  flex:1 1 0;
  min-width:280px;
  background:#FFFFFF;
  border:1.5px solid var(--border);
  border-radius:var(--radius);
  padding:14px;
  box-shadow:var(--shadow);
  box-sizing:border-box;
}
.sample-figure img{
  width:100%;
  height:auto;
  object-fit:contain;
  border-radius:8px;
  border:1px solid var(--border-soft);
  display:block;
}
.sample-figure figcaption{
  margin-top:10px;
  font-size:.82rem;
  color:var(--ink-soft);
  text-align:center;
  line-height:1.4;
}

/* ---------- Grade page: how-to images ---------- */
.how-to-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:20px;
  margin:16px 0 28px;
}
.how-to-figure{
  margin:0;
  background:#FFFFFF;
  border:1.5px solid var(--border);
  border-radius:var(--radius);
  padding:14px;
  box-shadow:var(--shadow);
  box-sizing:border-box;
}
.how-to-figure img{
  width:100%;
  height:auto;
  object-fit:contain;
  border-radius:8px;
  border:1px solid var(--border-soft);
  display:block;
  background:#fff;
}
.how-to-figure figcaption{
  margin-top:10px;
  font-size:.82rem;
  color:var(--ink-soft);
  text-align:center;
  line-height:1.4;
}

/* ---------- Grade page: try these sheets ---------- */
.try-sheets-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(220px, 1fr));
  gap:14px;
  margin:16px 0 28px;
}
.try-sheet-card{
  display:flex;
  align-items:center;
  gap:14px;
  background:var(--card-bg);
  border:1.5px solid var(--border);
  border-radius:var(--radius);
  padding:16px 18px;
  text-decoration:none;
  color:var(--ink);
  transition:all .15s ease;
  box-shadow:var(--shadow);
}
.try-sheet-card:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(30,46,61,0.10);
  border-color:var(--accent);
}
.try-sheet-badge{
  display:flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:10px;
  background:linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color:#fff;
  font-family:'Fredoka',sans-serif;
  font-size:.9rem;
  font-weight:700;
  flex-shrink:0;
}
.try-sheet-info{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.try-sheet-label{
  font-size:.9rem;
  font-weight:600;
  color:var(--ink);
  line-height:1.3;
}
.try-sheet-desc{
  font-size:.78rem;
  color:var(--ink-soft);
  line-height:1.35;
}
.try-sheet-arrow{
  margin-left:auto;
  color:var(--accent);
  font-size:1.1rem;
  opacity:.6;
  transition:opacity .15s ease;
}
.try-sheet-card:hover .try-sheet-arrow{
  opacity:1;
}

/* =========================================================================
   6. TEMPLATES PAGE (templates.html)
   ========================================================================= */

/* =========================================================================
   Templates page
   ========================================================================= */

/* ---------- Templates header ---------- */
.templates-header{
  max-width:960px;
  margin:26px auto 0;
  padding:32px 24px 24px;
  text-align:center;
}
.templates-header .back-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent);
  text-decoration:none;
  font-size:.88rem;
  font-weight:500;
  margin-bottom:16px;
}
.templates-header .back-link:hover{
  text-decoration:underline;
}
.templates-header h1{
  font-family:'Fredoka',sans-serif;
  font-size:1.9rem;
  font-weight:700;
  color:var(--ink);
  margin:0 0 8px;
}
.templates-header p{
  font-size:.95rem;
  color:var(--ink-soft);
  margin:0 auto;
  max-width:520px;
}

/* ---------- Template sections (card containers) ---------- */
.template-bank-section,
.build-own-cta,
.user-templates-section{
  max-width:960px;
  margin:20px auto;
  padding:24px 24px;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.section-title{
  font-family:'Fredoka',sans-serif;
  font-size:1.35rem;
  font-weight:600;
  color:var(--ink);
  margin:0 0 6px;
}
.section-subtitle{
  font-size:.9rem;
  color:var(--ink-soft);
  margin:0 0 18px;
}

/* ---------- Template bank grid ---------- */
.template-bank-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));
  gap:16px;
}

/* ---------- Template cards ---------- */
.template-card{
  background:var(--paper);
  border:1.5px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  box-shadow:var(--shadow);
  transition:all .15s ease;
}
.template-card:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(30,46,61,0.10);
  border-color:var(--accent);
}

.template-card-header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
}
.template-card-header h3{
  font-family:'Fredoka',sans-serif;
  font-size:1.05rem;
  font-weight:600;
  color:var(--ink);
  margin:0;
  line-height:1.3;
}
.template-grade-badge{
  font-size:.72rem;
  font-weight:600;
  color:var(--accent-dark);
  background:var(--accent-soft);
  padding:3px 8px;
  border-radius:6px;
  white-space:nowrap;
  flex-shrink:0;
}

.template-desc{
  font-size:.85rem;
  color:var(--ink-soft);
  margin:0;
  line-height:1.45;
}

.template-meta{
  font-size:.78rem;
  color:var(--ink-soft);
  display:flex;
  flex-wrap:wrap;
  gap:4px 8px;
  align-items:center;
}

.template-generate-btn{
  margin-top:4px;
  text-align:center;
  text-decoration:none;
  display:block;
}

/* ---------- Build Your Own CTA ---------- */
.build-own-cta{
  text-align:center;
  padding:32px 24px;
}
.build-own-cta p{
  font-size:.95rem;
  color:var(--ink-soft);
  margin:0 0 14px;
}

/* ---------- User templates section ---------- */
.user-templates-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:20px;
}

.template-form-card{
  background:var(--paper);
  border:1.5px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  margin-bottom:24px;
  box-shadow:var(--shadow);
}
.template-form-card h3{
  font-family:'Fredoka',sans-serif;
  font-size:1.15rem;
  font-weight:600;
  margin:0 0 16px;
  color:var(--ink);
}

.tpl-form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}

.tpl-form-grid label{
  font-size:.78rem;
  color:var(--ink-soft);
  display:block;
  margin-bottom:4px;
}
.tpl-form-grid input,
.tpl-form-grid select{
  width:100%;
  padding:9px 10px;
  border:1.5px solid var(--border);
  border-radius:9px;
  font-family:inherit;
  font-size:.92rem;
  background:var(--paper);
  color:var(--ink);
  box-sizing:border-box;
}
.tpl-form-grid input:focus,
.tpl-form-grid select:focus{
  outline:2px solid var(--accent);
  outline-offset:1px;
}

.tpl-op-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:6px 10px;
  margin-top:4px;
}

.tpl-form-actions{
  display:flex;
  gap:10px;
  margin-top:16px;
  flex-wrap:wrap;
}

.user-template-list{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));
  gap:16px;
}

.user-template-card .template-actions{
  display:flex;
  gap:8px;
  margin-top:4px;
  flex-wrap:wrap;
}
.user-template-card .template-actions .btn{
  flex:1;
  min-width:70px;
}

.template-memo{
  font-size:.78rem;
  color:var(--ink-soft);
  font-style:italic;
}

.user-empty-state{
  text-align:center;
  padding:32px 20px;
  color:var(--ink-soft);
}
.user-empty-state .big{
  font-size:2.2rem;
  margin-bottom:8px;
}
.user-empty-state h4{
  font-family:'Fredoka',sans-serif;
  font-size:1.1rem;
  font-weight:600;
  color:var(--ink);
  margin:0 0 4px;
}
.user-empty-state p{
  font-size:.85rem;
  margin:0;
}

.btn-danger{
  background:var(--danger);
  color:#fff;
  border:none;
}
.btn-danger:hover{
  background:var(--danger-dark);
}

/* =========================================================================
   7. RESPONSIVE OVERRIDES (grade pages + templates)
   ========================================================================= */

@media (max-width:700px){
  .sample-worksheets{flex-direction:column;}
  .sample-figure{min-width:auto;width:100%;}
  .how-to-grid{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .try-sheets-grid{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .tpl-form-grid{grid-template-columns:1fr;}
  .tpl-op-grid{grid-template-columns:1fr 1fr;}
}
@media (min-width:560px){
  .tpl-op-grid{grid-template-columns:repeat(3, 1fr);}
}