.plan-toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:12px 0}.plan-toolbar span,.plan-course small{font-size:.8rem;color:var(--text-3)}
.plan-progress{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;margin:6px 0}.plan-progress progress{width:80px;height:7px;accent-color:#5f9e57}
.plan-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:20px}.plan-stats div{padding:12px;background:var(--bg);border-radius:12px}.plan-stats b,.plan-stats span{display:block}.plan-stats b{font-size:1.4rem}.plan-stats span{font-size:.75rem;margin-top:5px}
.plan-goal{padding:16px;border:1px solid var(--border);border-radius:14px;margin:12px 0 20px}.plan-goal progress{display:block;width:100%;margin:12px 0;accent-color:#5f9e57}.plan-milestone{display:inline-block;padding:4px 8px;border:1px solid var(--border);border-radius:20px;margin:3px;font-size:.75rem}.plan-milestone.achieved{background:#e4f2da;color:#365f27}
.plan-course-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0}.plan-course{display:flex;align-items:stretch;flex-direction:column;min-height:170px;padding:18px;text-align:left;background:linear-gradient(145deg,#fff,#f3f6ef);border:1px solid var(--border);border-radius:16px;cursor:pointer;overflow-wrap:anywhere;font:inherit}.plan-course>.plan-progress{width:100%;margin:14px 0 10px}.plan-course>.plan-progress progress{flex:1}.plan-course>small{line-height:1.6}.plan-course .plan-course-actions{margin-top:auto;padding-top:14px}.plan-course .plan-course-actions .btn{flex:1}
.plan-title{display:grid;gap:8px}.plan-bulk{display:grid;gap:8px;margin:16px 0}.plan-step{display:grid;grid-template-columns:24px minmax(100px,1fr) 145px 100px 54px;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--border)}.plan-step label{font-size:.75rem;min-width:0}.plan-step .input{width:100%;min-width:0;margin-top:5px}.plan-step-actions{display:flex;gap:4px}.plan-step-actions button{min-width:24px;padding:6px;border:1px solid var(--border);border-radius:6px;background:var(--bg);cursor:pointer}#plan-error{color:#a53535}
.plan-inline{display:flex;flex-wrap:wrap;gap:8px;padding:0 12px 16px}.plan-inline button{border:1px solid var(--border);border-radius:10px;padding:8px 10px;font:inherit;font-size:.8rem;white-space:normal;text-align:left;background:var(--bg);cursor:pointer}.plan-inline button[aria-pressed="true"]{color:#54724a;text-decoration:line-through}.st-task-actions{flex-wrap:wrap}
.plan-course-title{border:0;padding:0;background:none;font:inherit;font-weight:700;text-align:left;color:inherit;cursor:pointer;overflow-wrap:anywhere;max-width:100%}.plan-course-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.plan-course{cursor:default}
.plan-course-filters{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.plan-course-filters input{flex:1 1 180px;min-width:0}.plan-course-filters select{flex:0 1 170px;min-width:0}.plan-course-filters .input{font-size:16px}
.plan-batch{margin:16px 0;padding:12px;border:1px solid var(--border);border-radius:12px}.plan-batch summary{cursor:pointer;font-size:.85rem}.plan-batch-fields{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap}.plan-batch-fields label{flex:1 1 160px;min-width:0;font-size:.8rem}.plan-batch-fields .input{display:block;width:100%;min-width:0;margin-top:6px;font-size:16px}
.plan-focus-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:12px;margin:8px 0}.plan-focus-item>div{min-width:0}.plan-focus-item strong,.plan-focus-item small{display:block;overflow-wrap:anywhere}.plan-focus-item small{font-size:.75rem;color:var(--text-3);margin-top:5px}.plan-focus-item.is-overdue{border-left:3px solid #c05c6b}.plan-focus-item .plan-course-actions{margin:0;flex-shrink:0}@media(max-width:600px){.plan-focus-item{align-items:stretch;flex-direction:column}.plan-focus-item .plan-course-actions{justify-content:flex-end}}
@media(max-width:650px){.plan-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.plan-course-list{grid-template-columns:1fr}.plan-course{min-height:0}.plan-step{grid-template-columns:24px minmax(0,1fr) minmax(0,1fr) 54px}.plan-step label:nth-child(2),.plan-step label:nth-child(3),.plan-step label:nth-child(4){grid-column:2/4}.plan-step-actions{grid-column:4;grid-row:1/3}.plan-step .input{font-size:16px}}

/* 画室按钮打开的学习面板，不改变首页卡片排列。 */
.plan-studio-mainline,.plan-studio-growth{padding:18px;border:1px solid var(--border);border-radius:14px;margin-bottom:18px;min-width:0}
.plan-studio-mainline{background:#edf1e8}.plan-studio-mainline>strong{display:block;overflow-wrap:anywhere;font-size:17px}.plan-studio-mainline .at-section-head{margin-bottom:10px}.plan-studio-mainline h4,.plan-studio-growth h4,.plan-courses-heading{font-size:15px;margin:0 0 12px}
.plan-mainline-progress,.plan-hour-track>div{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:12px}.plan-mainline-progress{margin-bottom:8px}.plan-hour-track{margin-top:18px}.plan-hour-track .at-progress{margin:10px 0}.plan-hour-track small{font-size:11px;color:var(--text-3);line-height:1.7}.plan-studio-growth>.form-help{margin-top:14px}

/* 独立课程页：主线与成长数据保持可见，课程列表拥有完整页面空间。 */
.course-page-head{position:relative;overflow:hidden;margin:-4px 0 24px;padding:28px 30px;border:1px solid rgba(57,71,49,.1);border-radius:26px;background:radial-gradient(circle at 88% 12%,rgba(180,205,159,.34),transparent 33%),linear-gradient(135deg,#f8faf5,#ecefe7);box-shadow:0 14px 35px rgba(49,60,43,.08)}
.course-page-head:after{content:"";position:absolute;right:-48px;bottom:-72px;width:190px;height:190px;border-radius:50%;background:rgba(255,255,255,.42);pointer-events:none}
.course-page-head>div{position:relative;z-index:1}.course-page-head small,.course-library-head small{display:block;color:#74816d;font-size:10px;font-weight:750;letter-spacing:.16em}.course-page-head h1{margin:10px 0 7px;font-size:clamp(1.8rem,4vw,2.65rem);letter-spacing:-.04em}.course-page-head p,.course-library-head p{margin:0;color:var(--text-2);font-size:.85rem;line-height:1.7}.course-back{margin:0 0 20px;padding:0;border:0;background:transparent;color:#687461;cursor:pointer;font:inherit;font-size:.8rem;font-weight:650}.course-back:hover{color:var(--text);text-decoration:underline}
.course-page-grid{display:grid;grid-template-columns:minmax(260px,330px) minmax(0,1fr);gap:20px;align-items:start}.course-page-overview{position:sticky;top:20px;min-width:0}.course-page-overview .plan-studio-mainline,.course-page-overview .plan-studio-growth{margin-bottom:14px;background:rgba(255,255,255,.72);box-shadow:0 8px 24px rgba(54,58,48,.05)}.course-page-overview .plan-studio-mainline{background:#edf1e8}
.course-page-library{min-width:0;padding:22px;border:1px solid var(--border);border-radius:20px;background:rgba(255,255,255,.6);box-shadow:0 10px 30px rgba(54,58,48,.05)}.course-library-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}.course-library-head>div{min-width:0}.course-library-head h2{margin:6px 0 4px;font-size:1.35rem}.course-library-head .btn{flex-shrink:0}.course-page-library .plan-stats{margin-bottom:12px}.course-page-library .plan-stats div{border:1px solid rgba(46,55,41,.06);background:#f3f5ef}.course-page-library .plan-course-list{margin-bottom:0}.course-page-library .plan-course{border-color:rgba(57,71,49,.11);box-shadow:0 6px 18px rgba(51,61,45,.04);transition:transform .18s,box-shadow .18s}.course-page-library .plan-course:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(51,61,45,.08)}.course-empty{grid-column:1/-1;padding:48px 20px;border:1px dashed var(--border);border-radius:16px;text-align:center;color:var(--text-2)}.course-empty strong{display:block;margin-bottom:8px;color:var(--text);font-size:1rem}.course-empty p{margin:0;font-size:.82rem;line-height:1.7}.course-page-error{max-width:620px;margin:40px auto;text-align:center}.course-page-error h2{margin-bottom:8px}
@media(max-width:900px){.course-page-grid{grid-template-columns:1fr}.course-page-overview{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.course-page-overview .plan-studio-mainline,.course-page-overview .plan-studio-growth{margin:0}}
@media(max-width:650px){.course-page-head{margin-top:0;padding:22px 20px;border-radius:20px}.course-page-head h1{font-size:1.85rem}.course-page-grid{gap:14px}.course-page-overview{grid-template-columns:1fr}.course-page-library{padding:16px;border-radius:18px}.course-library-head{align-items:stretch;flex-direction:column}.course-library-head .btn{width:100%}.course-page-library .plan-course-filters{display:grid;grid-template-columns:minmax(0,1fr) auto}.course-page-library .plan-course-filters select{grid-column:1/-1;width:100%}.course-page-library .plan-course-filters .btn{grid-column:2;grid-row:1}.course-page-library .plan-course-list{margin-top:12px}}
.course-page-grid.course-only{grid-template-columns:minmax(0,1fr)}
.mainline-page-grid{display:grid;grid-template-columns:minmax(260px,330px) minmax(0,1fr);gap:20px;align-items:start}
.mainline-page-grid>div{min-width:0}.mainline-milestones{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:12px}
.mainline-milestones li{display:flex;gap:14px;padding:16px;border:1px solid var(--border);border-radius:14px;overflow-wrap:anywhere}.mainline-milestones li>span{flex-shrink:0}.mainline-milestones li div{min-width:0}.mainline-milestones small{display:block;margin-top:6px;color:var(--text-2)}.mainline-milestones .is-done{background:#edf1e8}
#mainline-save-error{color:#a53535}.at-intro .at-text{margin-right:14px}
@media(max-width:900px){.mainline-page-grid{grid-template-columns:minmax(0,1fr)}.mainline-page-grid>div{display:contents}.mainline-page-grid .course-page-library{order:1}.mainline-page-grid .plan-studio-growth{order:2}}