/* Saros My Learning · quiet, customizable study space */
.learn-page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:2px 0 23px}
.learn-page-head h1{font-size:clamp(25px,3vw,36px);font-weight:750;letter-spacing:-.6px;line-height:1.35;margin:7px 0 4px}
.learn-page-head p{margin:0;color:var(--muted);font-size:13px}.learn-head-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.learn-today,.learn-section,.learn-panel,.learn-paper-page{border:1px solid var(--border);border-radius:20px;background:var(--surface);padding:22px;box-shadow:var(--shadow-soft)}
.learn-today{background:var(--surface-2);margin-bottom:25px}.learn-section-heading{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:15px}
.learn-section-heading h2{font-size:19px;font-weight:720;margin:0}.learn-section-heading h2 small{font-weight:400;color:var(--muted);font-size:12px;margin-inline-start:7px}
.learn-section-heading p{color:var(--muted);margin:5px 0 0;font-size:12px}.learn-overline{display:block;font:650 10px sans-serif;letter-spacing:1.8px;color:var(--muted);direction:ltr;text-align:right;margin-bottom:7px}.learn-count{font-size:11px;color:var(--muted);border:1px solid var(--border);border-radius:99px;padding:2px 9px;white-space:nowrap}
.learn-agenda-list,.learn-list{display:grid;gap:8px}.learn-agenda-row{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;gap:12px;text-align:right;padding:12px;min-width:0}
.learn-agenda-row strong{flex:1;min-width:0;font-size:13px;overflow-wrap:anywhere}.learn-agenda-row small{font-size:11px;color:var(--muted)}.learn-agenda-type{min-width:72px;font-size:10px;color:var(--text);border:1px solid var(--border);padding:4px 8px;border-radius:9px;text-align:center}
.learn-empty-small{font-size:12px;color:var(--muted);padding:12px 0;margin:0;line-height:1.8}.learn-late{margin-top:12px;border-top:1px solid var(--border);padding-top:9px;font-size:11px;color:var(--muted);display:grid;gap:3px}.learn-late strong{color:var(--text)}
.learn-sections{display:grid;gap:20px}.learn-section-name,.learn-actions,.learn-section-tools{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.learn-actions button{min-height:29px}.learn-section-tools{margin-bottom:15px}.learn-section-tools .chip-btn{background:var(--surface-2)}
.learn-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:15px}.learn-course{background:var(--surface);color:var(--text);display:flex;flex-direction:column;text-align:right;border-radius:16px;padding:0;border:1px solid var(--border);overflow:hidden;min-width:0;min-height:258px;transition:border-color .2s,transform .2s}.learn-course:hover{border-color:var(--muted);transform:translateY(-2px)}
.learn-course-cover{height:135px;overflow:hidden;background:var(--surface-2)}.learn-cover-image{width:100%;height:100%;object-fit:cover;display:block}.learn-cover-empty{height:100%;width:100%;display:flex;gap:12px;justify-content:center;align-items:center;background:linear-gradient(145deg,var(--surface-2),var(--surface-3));color:var(--muted);font-size:30px}.learn-cover-empty span{display:grid;place-items:center;width:55px;height:55px;border:1px solid var(--border);border-radius:50%;font:700 28px sans-serif;color:var(--text)}
.learn-course-body{padding:14px;display:flex;flex:1;flex-direction:column;gap:8px;min-width:0}.learn-course-body>strong{font-size:15px;min-height:25px;overflow-wrap:anywhere}.learn-card-meta,.learn-card-footer{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--muted)}.learn-card-meta{font-size:10px}.learn-card-meta small{font:600 10px sans-serif;letter-spacing:.5px}.learn-card-meta span{font-size:10px}.learn-card-footer small{font-size:11px}.learn-goal-hint{color:var(--muted);font-size:11px}
.learn-meter{height:6px;background:var(--surface-3);border-radius:99px;overflow:hidden;margin-top:auto}.learn-meter>span{display:block;height:100%;border-radius:99px;background:var(--text)}
.learn-papers{display:grid;gap:8px;margin-top:13px}.learn-paper{display:flex;align-items:center;text-align:right;gap:13px;width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;color:var(--text);padding:12px}.learn-paper-symbol{font-size:22px}.learn-paper-info{display:grid;gap:4px;flex:1;min-width:0}.learn-paper-info strong{font-size:13px;overflow-wrap:anywhere}.learn-paper-info small,.learn-paper-status{font-size:11px;color:var(--muted)}
.learn-welcome{text-align:center;display:grid;justify-items:center;gap:10px;padding:54px 16px;border:1px dashed var(--border);border-radius:21px;background:var(--surface)}.learn-welcome-mark{font-size:31px;border:1px solid var(--border);border-radius:20px;width:65px;height:65px;display:grid;place-items:center;background:var(--surface-2)}.learn-welcome h2{font-size:21px;margin:0}.learn-welcome p{font-size:13px;line-height:1.9;color:var(--muted);margin:0;max-width:480px}
.learn-course-hero{display:grid;grid-template-columns:minmax(190px,.55fr) minmax(0,1fr);border:1px solid var(--border);border-radius:20px;overflow:visible;background:var(--surface);margin-bottom:17px;min-height:275px}.learn-hero-cover{min-width:0;min-height:280px;border-radius:20px 0 0 20px;overflow:hidden;background:var(--surface-2)}.learn-hero-details{display:grid;align-content:start;gap:12px;padding:22px;min-width:0}.learn-hero-details h2{font-size:24px;margin:0}.learn-hero-details p{margin:0;color:var(--muted);font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.learn-hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.learn-hero-stats>div{background:var(--surface-2);padding:12px;border-radius:12px;display:grid;gap:5px}.learn-hero-stats small{font-size:11px;color:var(--muted)}.learn-hero-stats strong{font-size:19px}.learn-hero-progress,.learn-goal-progress{display:grid;gap:5px}.learn-hero-progress small,.learn-goal-progress small{font-size:11px;color:var(--muted)}.learn-hero-actions{display:flex;gap:9px;flex-wrap:wrap;align-items:end}.learn-hero-actions>label{display:grid;gap:5px;font-size:11px;color:var(--muted)}.learn-hero-actions select,.learn-paper-metadata select{border:1px solid var(--border);border-radius:10px;background:var(--surface-2);color:var(--text);padding:7px}
.learn-add-dropdown{position:relative}.learn-add-dropdown summary{list-style:none;cursor:pointer}.learn-add-dropdown summary::-webkit-details-marker{display:none}.learn-add-options{position:absolute;right:0;top:calc(100% + 6px);z-index:5;display:grid;min-width:180px;padding:7px;border-radius:12px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow)}.learn-add-options button{background:none;border:0;color:var(--text);text-align:right;padding:9px 12px;white-space:nowrap;border-radius:8px}.learn-add-options button:hover{background:var(--surface-2)}
.learn-tabs{display:flex;border-bottom:1px solid var(--border);gap:6px;margin:12px 0 17px;overflow-x:auto}.learn-tabs button{border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);padding:12px 16px;white-space:nowrap}.learn-tabs button.active{color:var(--text);font-weight:700;border-bottom-color:var(--text)}.learn-panel{min-height:150px}
.learn-session,.learn-detail-row{display:flex;gap:12px;align-items:center;border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:13px;margin-bottom:8px;min-width:0}.learn-session.is-done{background:var(--surface-2)}.learn-session-check{display:grid;place-items:center;flex:none}.learn-session-check input{width:17px;height:17px;accent-color:var(--text)}.learn-session-info{min-width:0;flex:1;display:grid;gap:4px;align-content:center}.learn-session-info strong{font-size:13px;overflow-wrap:anywhere}.learn-session-info small{font-size:11px;color:var(--muted)}.learn-session-info p{font-size:11px;color:var(--muted);white-space:pre-wrap;margin:4px 0}.learn-session-actions,.learn-module-actions{display:flex;align-items:center;gap:5px;flex-wrap:wrap;justify-content:flex-end}.learn-session-actions button{font-size:11px;min-height:28px}.learn-detail-row>div:not(.learn-actions){display:grid;gap:5px;flex:1;min-width:0}.learn-detail-row small{color:var(--muted)}.learn-strike,.learn-session.is-done .learn-session-info>strong{text-decoration:line-through;opacity:.65}.learn-inline-link{font-size:11px;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere;color:var(--text)}
.learn-module{border:1px solid var(--border);border-radius:13px;padding:8px 12px;margin-bottom:12px;background:var(--surface-2)}.learn-module>summary{cursor:pointer;padding:8px;display:flex;justify-content:space-between;gap:12px}.learn-module>summary strong{font-size:13px}.learn-module>summary span{font-size:11px;color:var(--muted)}.learn-module-items{padding:10px 0}.learn-module-actions{padding:3px 0}.learn-danger-zone{margin-top:24px;display:flex;justify-content:flex-end}.learn-upload-control{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.learn-upload-thumb{width:100px;height:65px;border:1px solid var(--border);background:var(--surface-2);border-radius:9px;display:grid;place-items:center;font-size:11px;color:var(--muted);overflow:hidden}.learn-upload-thumb img{width:100%;height:100%;object-fit:cover}.learn-checkbox-line{display:flex;align-items:center;gap:9px;color:var(--text);font-size:12px}
.learn-paper-metadata{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.learn-paper-metadata>div{border:1px solid var(--border);background:var(--surface-2);border-radius:13px;padding:13px;display:grid;gap:6px;min-width:0}.learn-paper-metadata small{color:var(--muted);font-size:11px}.learn-paper-metadata strong{overflow-wrap:anywhere;font-size:13px}.learn-paper-links{display:flex;flex-wrap:wrap;gap:12px;padding:18px 0}.learn-paper-part{padding:15px 0;border-top:1px solid var(--border)}.learn-paper-part h3{margin:0 0 8px;font-size:15px}.learn-paper-part p{white-space:pre-wrap;color:var(--muted);font-size:13px;line-height:1.9;margin:0;overflow-wrap:anywhere}
@media(max-width:850px){.learn-course-hero{grid-template-columns:1fr}.learn-hero-cover{min-height:160px;height:200px;border-radius:20px 20px 0 0}.learn-course-hero .learn-cover-empty{border-radius:20px 20px 0 0}.learn-hero-stats{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:550px){.learn-today,.learn-section,.learn-panel,.learn-paper-page{padding:15px;border-radius:15px}.learn-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.learn-course-cover{height:100px}.learn-course-body{padding:10px}.learn-course-body>strong{font-size:12px}.learn-card-meta{flex-wrap:wrap}.learn-session,.learn-detail-row{flex-wrap:wrap}.learn-session-info{flex-basis:calc(100% - 40px)}.learn-session-actions{width:100%}.learn-paper-metadata{grid-template-columns:1fr}.learn-hero-details{padding:15px}.learn-hero-stats strong{font-size:15px}.learn-agenda-row{flex-wrap:wrap}.learn-agenda-row strong{flex-basis:calc(100% - 100px)}.learn-agenda-row small{width:100%}}

.learn-focus-context{font-size:12px;border:1px solid var(--border);border-radius:11px;background:var(--surface-2);padding:10px 12px;text-align:center;color:var(--text)}


/* Saros v25.3: the three requested changes only (original course/layout sizing kept). */
.learn-section-menu-and-name{display:flex;align-items:center;gap:11px;min-width:0;width:100%}.learn-section-name{min-width:0;flex:1}
.learn-custom-section-heading{justify-content:flex-start}
.learn-section-dropdown{position:relative;flex:none;z-index:6}
.learn-section-dropdown[open]{z-index:30}
.learn-section-menu-trigger{list-style:none;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);border-radius:12px;background:var(--surface-2);color:var(--text);cursor:pointer}
.learn-section-menu-trigger::-webkit-details-marker{display:none}
.learn-section-menu-trigger:hover,.learn-section-menu-trigger:focus-visible{border-color:var(--muted);outline-offset:2px}
.learn-section-menu-panel{position:absolute;left:0;right:auto;top:calc(100% + 6px);width:min(224px,calc(100vw - 60px));display:flex;flex-direction:column;padding:7px;gap:2px;background:var(--surface);border:1px solid var(--border);border-radius:13px;box-shadow:var(--shadow);max-height:min(70vh,460px);overflow-y:auto;z-index:30}
.learn-section-menu-panel .chip-btn{display:block;flex:none;width:100%;text-align:right;white-space:normal;min-height:36px;font-size:12px;border:0;background:transparent;color:var(--text);border-radius:8px;padding:8px 11px}
.learn-section-menu-panel .chip-btn:hover,.learn-section-menu-panel .chip-btn:focus-visible{background:var(--surface-2)}
.learn-section-menu-panel .chip-btn.danger-btn{color:var(--danger,var(--text))}
.learn-section-menu-separator{height:1px;background:var(--border);margin:4px 5px}
/* Course status and adjacent Add control share the same subtle size/shape. */
.learn-hero-actions select,.learn-hero-actions .learn-add-dropdown summary{box-sizing:border-box;height:36px;min-height:36px;padding:0 12px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;line-height:1;white-space:nowrap}
.learn-hero-actions .learn-add-dropdown summary{background:var(--surface-2);color:var(--text);border:1px solid var(--border);box-shadow:none}
.learn-hero-actions .learn-add-dropdown summary:hover{border-color:var(--muted)}

.learn-session-actions .chip-btn{min-width:32px;height:32px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;line-height:1}.learn-session-actions .chip-btn[data-learn="session-focus"]{font-size:15px}.learn-session-actions .chip-btn[data-learn="session-edit"],.learn-session-actions .chip-btn[data-learn="session-delete"]{font-size:16px}.learn-section-heading .chip-btn[data-learn="session-add"]{min-width:36px;padding-inline:0;font-size:20px;line-height:1}

.learn-title-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.learn-title-row h2{margin:0}.learn-title-row .chip-btn{min-width:34px;height:34px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;font-size:16px}.learn-head-actions .outline-btn[data-learn="back"]{min-width:38px;padding-inline:0;font-size:22px;line-height:1}.nav-button .nav-ico{display:inline-flex;align-items:center;justify-content:center;min-width:1.25em}

/* Saros v25.9 — fixed-size course cover on the course DETAILS page only.
   A large uploaded image must never stretch the hero or be cropped/zoomed.
   Course grid thumbnails are intentionally unchanged. */
@media (min-width: 851px) {
  .learn-course-hero {
    grid-template-columns: minmax(0, 256px) minmax(0, 1fr);
  }
}
.learn-course-hero .learn-hero-cover {
  width: calc(100% - 32px);
  max-width: 224px;
  height: 204px;
  min-height: 0;
  margin: 16px auto;
  border-radius: 14px;
  align-self: start;
}
.learn-course-hero .learn-hero-cover .learn-cover-image {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}
@media (max-width: 850px) {
  .learn-course-hero .learn-hero-cover {
    width: calc(100% - 32px);
    max-width: 224px;
    height: 184px;
    margin: 16px auto 0;
    border-radius: 14px;
  }
}