.learning-guide{
  margin:26px 0;
  padding-top:24px;
  border-top:1px solid var(--line);
  min-width:0;
}
.learning-guide>h3{
  color:var(--ink);
  font-size:18px;
  font-weight:600;
  line-height:1.5;
}
.guide-order{
  margin:9px 0 17px;
  color:var(--muted);
  font-size:15px;
  line-height:1.75;
  overflow-wrap:anywhere;
}
.lesson-list{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:12px;
}
.lesson-card{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:15px 18px;
  min-width:0;
  padding:20px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface2);
}
.lesson-card>header{
  display:flex;
  align-items:flex-start;
  gap:12px;
  min-width:0;
}
.lesson-number{
  display:grid;
  place-items:center;
  flex:0 0 30px;
  min-height:30px;
  border-radius:8px;
  background:var(--aura);
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
}
.lesson-heading{min-width:0}
.lesson-heading h4{
  margin:0;
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  overflow-wrap:anywhere;
}
.lesson-range{
  display:block;
  margin-top:5px;
  color:var(--muted);
  font-size:13px;
  line-height:1.65;
  overflow-wrap:anywhere;
}
.lesson-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  align-self:start;
  justify-self:start;
  min-height:38px;
  padding:7px 12px;
  border:1px solid var(--line);
  border-radius:9px;
  background:var(--surface);
  color:var(--accent);
  font-size:14px;
  line-height:1.5;
  white-space:nowrap;
}
.lesson-link:hover{border-color:var(--accent)}
.lesson-instructions{
  grid-column:1/-1;
  display:grid;
  grid-template-columns:90px minmax(0,1fr);
  gap:10px 15px;
  margin:0;
  padding-top:15px;
  border-top:1px solid var(--line);
}
.lesson-instructions>div{display:contents}
.lesson-instructions dt{
  margin:0;
  color:var(--muted);
  font-size:13px;
  font-weight:500;
  line-height:1.85;
}
.lesson-instructions dd{
  min-width:0;
  margin:0;
  color:var(--ink);
  font-size:15px;
  line-height:1.75;
  overflow-wrap:anywhere;
}
.plan-week{
  display:grid;
  grid-template-columns:100px minmax(0,1fr);
  gap:20px;
  min-width:0;
  padding:23px 0;
  border-bottom:1px solid var(--line);
}
.plan-week:last-child{border-bottom:0;padding-bottom:0}
.plan-week-label{
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  line-height:1.8;
}
.plan-week-body{min-width:0}
.plan-week-body h4{
  margin:0 0 6px;
  color:var(--ink);
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  overflow-wrap:anywhere;
}
.plan-focus{
  color:var(--muted);
  font-size:15px;
  line-height:1.75;
}
.plan-assignment{
  margin-top:13px;
  color:var(--ink);
  font-size:15px;
  line-height:1.75;
  overflow-wrap:anywhere;
}
.plan-lessons{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:8px;
  margin-top:14px;
}
.plan-week>.plan-lessons{grid-column:2;margin-top:0}
.plan-lessons a{
  display:block;
  min-width:0;
  padding:10px 13px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface2);
  color:var(--accent);
  font-size:15px;
  line-height:1.65;
  overflow-wrap:anywhere;
}
.plan-lessons a:hover{border-color:var(--accent)}
.plan-lessons a>span{
  display:block;
  margin-top:3px;
  color:var(--muted);
  font-size:13px;
  line-height:1.65;
}
.lesson-link:focus-visible,.plan-lessons a:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}
@media(max-width:760px){
  .lesson-card{grid-template-columns:minmax(0,1fr);gap:13px;padding:17px}
  .lesson-link{min-height:44px}
  .plan-week{grid-template-columns:minmax(0,1fr);gap:8px;padding:20px 0}
  .plan-week>.plan-lessons{grid-column:1}
}
@media(max-width:620px){
  .learning-guide{margin:23px 0;padding-top:21px}
  .lesson-card{padding:16px}
  .lesson-instructions{grid-template-columns:minmax(0,1fr);gap:5px;padding-top:13px}
  .lesson-instructions dd{margin-bottom:10px}
  .lesson-instructions dd:last-child{margin-bottom:0}
}

.guide-rhythm{font-size:13px;color:var(--muted);line-height:1.8;margin:-8px 0 18px;overflow-wrap:anywhere}.plan-assignment b{font-weight:600;margin-right:10px}

.route-source{margin-top:15px;font-size:13px;line-height:1.8;color:var(--muted);overflow-wrap:anywhere}
.route-source a{color:var(--accent)}
.phase-insight .guide-order{margin:14px 0}
.study-plan-panel{min-width:0}

.guide-supplements{margin-top:20px;padding:16px;border:1px dashed var(--line);border-radius:12px;min-width:0}
.guide-supplements>summary{cursor:pointer;color:var(--muted);font-size:14px;line-height:1.8}
.day-block{margin-top:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface2);min-width:0}
.day-block>summary{display:flex;align-items:center;gap:14px;padding:18px;cursor:pointer;list-style:none}
.day-block>summary::-webkit-details-marker{display:none}
.day-block>summary>span:nth-child(2){min-width:0;flex:1}
.day-block>summary small{display:block;color:var(--accent);font-size:13px;margin-bottom:5px}
.day-block>summary strong{display:block;color:var(--ink);font-size:17px;line-height:1.6;font-weight:600}
.day-block>summary .day-block-count{color:var(--muted);font-size:13px;margin:0}
.day-block>summary::after{content:'＋';color:var(--accent)}
.day-block[open]>summary::after{content:'−'}
.day-block-goal{margin:0 18px 18px;color:var(--muted);font-size:15px;line-height:1.8}
.day-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:0 18px 18px}
.plan-day{min-width:0;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.plan-day>header{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;min-width:0}
.plan-day h4{flex:1;min-width:120px;margin:0;color:var(--ink);font-size:16px;line-height:1.6}
.plan-day header small{color:var(--muted);font-size:13px}
.plan-day .lesson-instructions{margin-top:14px;grid-template-columns:minmax(0,1fr);gap:4px}
.plan-day .lesson-instructions dd{margin-bottom:12px}
.plan-day .day-course{display:inline-flex;white-space:normal;overflow-wrap:anywhere;margin-top:6px;min-height:44px}
.day-task-links{display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.day-task-links>span{font-size:13px;color:var(--muted)}
.day-task-links button{font-size:13px;min-height:44px;text-align:left;overflow-wrap:anywhere}
.day-block>summary:focus-visible,.guide-supplements>summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:10px}
@media(max-width:1280px){.day-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1000px){.day-list{grid-template-columns:minmax(0,1fr)}}
@media(max-width:620px){
  .day-block>summary{padding:14px;gap:10px}
  .day-block>summary strong{font-size:16px}
  .day-block>summary .day-block-count{display:none}
  .day-list{padding:0 12px 12px;gap:12px}
  .day-block-goal{margin:0 14px 15px}
  .plan-day{padding:15px}
}