/* Reference learning surfaces. Load after warm-learning.css and page styles. */
.warm-app .learning-page {
  --learn-paper: #fbf8f2;
  --learn-ink: #202431;
  --learn-terra: #af5138;
  --learn-sage: #eaf0e5;
  --learn-blue: #e9f1f6;
  --learn-rule: #e5ddd1;
  --learn-muted: #71716e;
  color: var(--learn-ink);
  min-width: 0;
}

.warm-app .learning-page :is(.learning-intro,.learning-card,.material-folder,.material-file,.homework-material,.material-step,.form-card,.upload-panel,.review-feedback,.answer-row,.student-homework-card,.student-homework-group,.material-selected,.material-empty) {
  border: 1px solid var(--learn-rule);
  border-radius: 15px;
  background-color: var(--learn-paper);
  background-image: linear-gradient(135deg, rgb(255 255 255 / 62%), transparent 58%), repeating-linear-gradient(0deg, transparent 0 6px, rgb(89 67 45 / 1.2%) 6px 7px);
  box-shadow: 0 2px 4px rgb(56 43 28 / 4%), 0 8px 20px rgb(56 43 28 / 5%);
}

.warm-app .learning-page :is(.learning-intro,.homework-material,.material-step,.form-card,.student-homework-card) {
  position: relative;
  overflow: hidden;
  padding-left: 29px;
}

/* A 15px paper margin with three clean punch holes repeated down the spine. */
.warm-app .learning-page :is(.learning-intro,.homework-material,.material-step,.form-card,.student-homework-card)::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0 auto 0 0;
  width: 15px;
  border-radius: 14px 0 0 14px;
  background-color: #e9e0d3;
  background-image: radial-gradient(circle at 50% 9px, #fff 0 3px, #d8cbbb 3.5px 4px, transparent 4.5px);
  background-size: 15px 27px;
  background-repeat: repeat-y;
  pointer-events: none;
}

.warm-app .learning-page :is(.learning-intro,.homework-material,.material-step,.form-card) > * { position: relative; z-index: 2; }
.warm-app .learning-page :is(h2,h3,strong) { color: var(--learn-ink); }
.warm-app .learning-page :is(.muted,.learning-note,.field-help,.student-empty-copy) { color: var(--learn-muted); }
.warm-app .learning-page .learning-section { margin-top: 22px; }
.warm-app .learning-page .section-heading { margin-bottom: 12px; }
.warm-app .learning-page .section-heading h2 { font-size: 19px; letter-spacing: -.025em; }
.warm-app .learning-page .section-heading p { font-size: 13px; }

.warm-app .learning-page .overview-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgb(175 81 56 / 12%);
  border-radius: 15px;
  background: #f5e8df;
  color: var(--learn-terra);
}
.warm-app .learning-page .overview-icon svg { width: 32px; height: 32px; stroke-width: 1.7; }
.warm-app .learning-page .learning-intro > .overview-icon { width: 60px; height: 60px; flex-basis: 60px; border-radius: 18px; }
.warm-app .learning-page .learning-intro > .overview-icon svg { width: 44px; height: 44px; }
.warm-app .learning-page .homework-status-icon { width: 38px; height: 38px; flex: 0 0 38px; display:grid; place-items:center; }
.warm-app .learning-page .homework-status-icon svg { width: 26px; height: 26px; }
.warm-app .learning-page .learning-card-list,.warm-app .learning-page .material-files { gap: 9px; }
.warm-app .learning-page .learning-card { min-height: 72px; padding: 11px 13px; gap: 11px; border-radius: 13px; }
.warm-app .learning-page .learning-card:hover,.warm-app .learning-page .material-folder:hover,.warm-app .learning-page .student-homework-card:hover { transform: translateY(-1px); box-shadow: 0 4px 8px rgb(56 43 28 / 6%), 0 12px 24px rgb(56 43 28 / 7%); }
.warm-app .learning-page .learning-card-copy { gap: 3px; min-width: 0; }
.warm-app .learning-page .learning-card-copy strong,.warm-app .learning-page .student-homework-copy > strong { font-size: 14px; line-height: 1.35; overflow-wrap: anywhere; }
.warm-app .learning-page .learning-card-copy small,.warm-app .learning-page .student-homework-copy > small { font-size: 12px; line-height: 1.4; overflow-wrap: anywhere; }
.warm-app .learning-page .material-folder { min-height: 62px; padding: 10px 12px; gap: 10px; }
.warm-app .learning-page .material-folder .overview-icon { width: 42px; height: 42px; flex-basis: 42px; background: var(--learn-blue); color: #476c80; }
.warm-app .learning-page .material-folder .overview-icon svg { width: 30px; height: 30px; }
.warm-app .learning-page .material-file { align-items: center; padding: 12px 13px; gap: 10px; }
.warm-app .learning-page .material-file strong { font-size: 14px; line-height: 1.35; }
.warm-app .learning-page .material-file p { margin-top: 5px; font-size: 12px; }
.warm-app .learning-page .material-file-actions { gap: 6px; }
.warm-app .learning-page .material-breadcrumbs { margin: 10px 0; font-size: 13px; }
.warm-app .learning-page .material-search { gap: 7px; margin: 10px 0 14px; }
.warm-app .learning-page :is(.material-search input,.homework-answer-input,.field input,.field select,.field textarea) { min-height: 46px; border: 1px solid #dcd5ca; border-radius: 11px; background-color: #fffefa; color: var(--learn-ink); box-shadow: inset 0 1px 2px rgb(50 42 31 / 3%); }
.warm-app .learning-page .field textarea { min-height: 110px; }
.warm-app .learning-page :is(.material-search input,.homework-answer-input,.field input,.field select,.field textarea):focus { border-color: var(--learn-terra); outline: 3px solid rgb(175 81 56 / 13%); }
.warm-app .learning-page .text-link,.warm-app .learning-page .material-breadcrumbs a { color: var(--learn-terra); }
.warm-app .learning-page .button-secondary { background: #fffdf9; border-color: #dcd3c6; }

.warm-app .learning-page .material-step { padding-top: 17px; padding-right: 16px; padding-bottom: 17px; margin-bottom: 14px; }
.warm-app .learning-page .material-step h2,.warm-app .learning-page .material-step legend { font-size: 17px; }
.warm-app .learning-page .student-choice span { min-height: 44px; padding: 8px 10px; font-size: 13px; }
.warm-app .learning-page .material-selected { padding: 12px; margin-bottom: 12px; background-color: #f6eee4; }
.warm-app .learning-page .selected-work-list { gap: 7px; }
.warm-app .learning-page .selected-work-list li { gap: 8px; padding-top: 8px; margin-top: 8px; }
.warm-app .learning-page .material-picker { border-radius: 12px; background: #fffefa; }
.warm-app .learning-page .deadline-modes { gap: 5px; padding: 3px; background: #f4ede4; }
.warm-app .learning-page .deadline-modes label { min-height: 40px; padding: 0 9px; font-size: 13px; }

.warm-app .learning-page .homework-material { padding-top: 13px; padding-right: 13px; padding-bottom: 13px; }
.warm-app .learning-page .homework-material-list { gap: 10px; }
.warm-app .learning-page .homework-material-heading { align-items: center; gap: 8px; }
.warm-app .learning-page .homework-material-heading h3 { margin: 0; font-size: 15px; line-height: 1.35; }
.warm-app .learning-page .homework-material-heading .text-link,.warm-app .learning-page .homework-solutions { font-size: 12px; }
.warm-app .learning-page .homework-material .answer-list { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 7px; margin-top: 11px; }
.warm-app .learning-page .homework-answer { min-width: 0; padding: 0; border: 0; border-radius: 0; background: transparent; background-image: none; box-shadow: none; }
.warm-app .learning-page .homework-answer .answer-row-heading { gap: 4px; margin-bottom: 5px; }
.warm-app .learning-page .homework-answer .answer-row-heading strong { font-size: 12px; }
.warm-app .learning-page .homework-answer-input { width: 100%; padding: 8px; font-size: 16px; }
.warm-app .learning-page .homework-answer-input::placeholder { font-size: 13px; letter-spacing: -.035em; }
.warm-app .learning-page .answer-value,.warm-app .learning-page .answer-key { margin: 4px 0; font-size: 12px; line-height: 1.4; overflow-wrap: anywhere; }
.warm-app .learning-page .answer-state { padding: 3px 6px; font-size: 11px; }
.warm-app .learning-page .upload-panel { padding: 15px; border-color: #d0dce2; background-color: var(--learn-blue); color: #385c70; }
.warm-app .learning-page .upload-panel::before { display: none; }
.warm-app .learning-page .upload-panel .field-help,.warm-app .learning-page .upload-panel .muted { color: #526b78; }
.warm-app .learning-page .upload-panel input[type=file] { display: block; width: 100%; min-width: 0; padding: 10px; border: 1px dashed #9db7c4; border-radius: 10px; background: rgb(255 255 255 / 64%); }
.warm-app .learning-page .saved-review,.warm-app .learning-page .review-feedback { padding: 15px; border-color: #cdd9c5; background-color: var(--learn-sage); color: #3f5944; }
.warm-app .learning-page .review-feedback { margin-top: 15px; }
.warm-app .learning-page .review-feedback h2,.warm-app .learning-page .saved-review h3 { margin: 8px 0; font-size: 17px; color: #344d39; }
.warm-app .learning-page .saved-review .form-stack { margin-top: 14px; padding-top: 13px; border-top: 1px solid #cad7c3; }
.warm-app .learning-page .homework-submit-form { gap: 12px; }
.warm-app .learning-page .homework-submit-actions .button { min-height: 48px; }
.warm-app .learning-page .student-homework-groups { gap: 10px; }
.warm-app .learning-page .student-homework-group { padding: 0 11px; }
.warm-app .learning-page .student-homework-group > summary { min-height: 48px; padding: 8px 0; font-size: 16px; }
.warm-app .learning-page .student-homework-group-content { padding: 0 0 9px; gap: 7px; }
.warm-app .learning-page .student-homework-card { min-height: 60px; padding: 9px 9px 9px 22px; gap: 9px; border-radius: 11px; box-shadow: none; }
.warm-app .learning-page .student-homework-card::before { width: 15px; border-radius: 10px 0 0 10px; }
.warm-app .learning-page [data-homework-status="todo"] .student-homework-card { background-color: var(--learn-blue); }
.warm-app .learning-page [data-homework-status="todo"] .student-homework-card::before { background-color: #d5e3ea; }
.warm-app .learning-page [data-homework-status="pending"] .student-homework-card { background-color: #f7efd9; }
.warm-app .learning-page [data-homework-status="pending"] .student-homework-card::before { background-color: #e9debf; }
.warm-app .learning-page [data-homework-status="checked"] .student-homework-card { background-color: var(--learn-sage); }
.warm-app .learning-page [data-homework-status="checked"] .student-homework-card::before { background-color: #d9e3d1; }
.warm-app .learning-page .student-homework-card .homework-status-icon { width: 32px; height: 32px; flex-basis: 32px; }
.warm-app .learning-page .student-homework-card .homework-status-icon svg { width: 24px; height: 24px; }
.warm-app .learning-page .student-homework-copy > strong { font-size: 13px; }
.warm-app .learning-page .student-homework-copy > small { font-size: 11px; }
.warm-app .learning-page .learning-assignment-detail-page > .learning-intro { padding-top: 15px; padding-right: 15px; padding-bottom: 15px; }
.warm-app .learning-page .homework-detail-status { font-size: 12px; }

/* Student homework: shared layout for assigned, pending and checked work. */
.student-app .student-homework-detail .homework-intro .homework-detail-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 6px 12px 6px 8px;
  margin: 0;
  max-width: 100%;
  box-sizing: border-box;
  vertical-align: middle;
}
.student-app .student-homework-detail .homework-detail-status .homework-status-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 30px;
  flex: 0 0 28px;
  background: transparent;
  border-radius: 0;
}
.warm-app.student-app .student-homework-detail .homework-detail-status .homework-status-icon img {
  display: block;
  width: 26px;
  height: 30px;
  max-width: 100%;
  object-fit: contain;
}
.student-app .student-homework-detail .homework-detail-status strong { line-height: 1.3; }
.student-app .student-homework-detail .homework-upload-field { position: relative; }
.student-app .student-homework-detail .homework-file-picker {
  position: relative;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  min-height: 52px;
  padding: 13px 15px;
  border: 1px solid var(--blue, #3e657a);
  border-radius: 12px;
  background: #fffdf9;
  color: var(--blue, #3e657a);
  cursor: pointer;
  box-sizing: border-box;
}
.student-app .student-homework-detail .homework-file-picker:focus-within {
  outline: 3px solid #93b2c7;
  outline-offset: 3px;
}
.student-app .student-homework-detail .homework-file-picker > svg { width: 20px; height: 20px; flex: 0 0 20px; }
.student-app .student-homework-detail .homework-selected-file {
  flex: 1 1 100%;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.student-app .student-homework-detail .homework-file-picker input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.student-app .student-homework-detail [data-upload-status][hidden],
.student-app .student-homework-detail [data-homework-file-name][hidden] { display: none; }
.student-app .student-homework-detail .homework-answer-input[readonly] {
  opacity: 1;
  color: var(--text);
  cursor: default;
}
.student-app .student-homework-detail .homework-solution-files { display: grid; gap: 8px; }
.student-app .student-homework-detail .homework-solution-file {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  border: 1px solid #cfdae0;
  border-radius: 12px;
  background: #fffdf9;
  color: var(--blue, #3e657a);
  text-decoration: none;
}
.student-app .student-homework-detail .homework-solution-file > span {
  display: grid;
  flex: 1;
  min-width: 0;
  gap: 4px;
}
.student-app .student-homework-detail .homework-solution-file strong { font-size: 14px; overflow-wrap: anywhere; }
.student-app .student-homework-detail .homework-solution-file small { font-size: 12px; color: var(--muted); }
.student-app .student-homework-detail .homework-solution-file > svg { width: 22px; height: 22px; flex: 0 0 22px; }
.student-app .student-homework-detail .homework-solution-file > svg:last-child { width: 16px; height: 16px; flex-basis: 16px; }
.student-app .student-homework-detail .homework-solution-file:focus-visible { outline: 3px solid #93b2c7; outline-offset: 3px; }
.warm-app .learning-page .homework-note { margin-top: 7px; }
.warm-app .learning-page #second-part { padding-top: 14px; padding-right: 14px; padding-bottom: 14px; border-color: #cfdae0; background-color: var(--learn-blue); }
.warm-app .learning-page #second-part::before { display: none; }
.warm-app .learning-page #second-part h2 { color: #385c70; }

@media (max-width: 600px) {
  .warm-app .learning-page .material-folders,.warm-app .learning-page .student-choice-grid { grid-template-columns: 1fr; }
  .warm-app .learning-page.learning-assignment-builder-page .student-choice-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .warm-app .learning-page .material-file { align-items: stretch; padding: 10px 11px; }
  .warm-app .learning-page .material-file-actions { width: 100%; }
  .warm-app .learning-page .material-file-actions .button,.warm-app .learning-page .material-file-actions .material-check { flex: 1 1 0; min-width: 0; }
  .warm-app .learning-page .homework-material-heading { align-items: flex-start; flex-wrap: wrap; }
  .warm-app .learning-page .homework-material .answer-list { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 5px; }
  .warm-app .learning-page .homework-answer-input { padding: 7px 6px; }
  .warm-app .learning-page .student-homework-group { padding-right: 8px; padding-left: 8px; }
  .warm-app .learning-page .material-step { padding-right: 11px; padding-left: 25px; }
}

@media (max-width: 370px) {
  .warm-app .learning-page.learning-assignment-builder-page .student-choice-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .warm-app .learning-page.learning-assignment-builder-page .student-choice span { font-size: 12px; }
  .warm-app .learning-page .overview-icon { width: 40px; height: 40px; flex-basis: 40px; }
  .warm-app .learning-page .overview-icon svg { width: 29px; height: 29px; }
  .warm-app .learning-page .learning-intro > .overview-icon { width: 48px; height: 48px; flex-basis: 48px; }
  .warm-app .learning-page .learning-intro > .overview-icon svg { width: 36px; height: 36px; }
  .warm-app .learning-page :is(.learning-intro,.homework-material,.material-step,.form-card) { padding-left: 24px; }
  .warm-app .learning-page .homework-material { padding-right: 8px; }
  .warm-app .learning-page .homework-material .answer-list { gap: 3px; }
  .warm-app .learning-page .answer-state { font-size: 10px; }
  .warm-app .learning-page .student-homework-card { gap: 6px; padding-right: 6px; }
  .warm-app .learning-page .student-homework-copy > strong { font-size: 12px; }
}

/* Match the reference by treating each homework entry as an individual card. */
.warm-app .learning-page :is(.learning-intro,.learning-card,.material-folder,.material-file,.homework-material,.material-step,.form-card,.upload-panel,.review-feedback,.answer-row,.student-homework-card,.student-homework-group,.material-selected,.material-empty) {
  background-image: none;
}
.warm-app .learning-page .learning-intro {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}
.warm-app .learning-page .learning-intro::before,
.warm-app .learning-page .material-step::before,
.warm-app .learning-page .form-card::before { display: none; }
.warm-app .learning-page :is(.material-step,.form-card) {
  padding-left: 16px;
  border-color: #e7ded4;
  border-radius: 13px;
  background: #fffdf9;
  box-shadow: 0 1px 3px rgb(56 43 28 / 3%);
}
.warm-app .learning-page .student-homework-group {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.warm-app .learning-page .student-homework-group > summary { padding-right: 2px; }
.warm-app .learning-page .student-homework-card {
  --punch-strip: #c8d7c1;
  border: 1px solid rgb(75 103 73 / 15%);
  border-radius: 15px;
  background: linear-gradient(112deg, #eff4eb 0%, #e7eee2 100%);
  box-shadow: 0 2px 5px rgb(43 59 43 / 7%), 0 7px 15px rgb(43 59 43 / 5%);
  padding-left: 58px;
  gap: 12px;
}
.warm-app .learning-page .student-homework-card::before {
  width: 32px;
  border-radius: 14px 0 0 14px;
  background-color: var(--punch-strip);
  background-image:
    radial-gradient(circle at 16px 18px, #fffdf9 0 5px, rgb(73 91 71 / 10%) 5.5px, transparent 6.5px),
    radial-gradient(circle at 16px 50%, #fffdf9 0 5px, rgb(73 91 71 / 10%) 5.5px, transparent 6.5px),
    radial-gradient(circle at 16px calc(100% - 18px), #fffdf9 0 5px, rgb(73 91 71 / 10%) 5.5px, transparent 6.5px);
  background-repeat: no-repeat;
  background-size: 32px 100%;
}
.warm-app .learning-page [data-homework-status="todo"] .student-homework-card {
  --punch-strip: #a8c3d2;
  border-color: rgb(75 112 136 / 16%);
  background: linear-gradient(112deg, #edf4f8 0%, #e4edf3 100%);
  box-shadow: 0 2px 5px rgb(55 83 99 / 7%), 0 7px 15px rgb(55 83 99 / 5%);
}
.warm-app .learning-page [data-homework-status="pending"] .student-homework-card {
  --punch-strip: #d8c58e;
  background: linear-gradient(112deg, #fbf5e5 0%, #f5ecd5 100%);
}
.warm-app .learning-page [data-homework-status="checked"] .student-homework-card {
  --punch-strip: #afc1a5;
  background: linear-gradient(112deg, #eff4eb 0%, #e6eee1 100%);
}
.warm-app .learning-page .student-homework-card .homework-status-icon {
  width: 48px;
  height: 48px;
  flex-basis: 48px;
  border-radius: 50%;
  background: #607f64;
  color: #fff;
}
.warm-app .learning-page .student-homework-card .homework-status-icon svg { width: 34px; height: 34px; }
.warm-app .learning-page [data-homework-status="todo"] .student-homework-card .homework-status-icon { background: transparent; color: #52758a; }
.warm-app .learning-page [data-homework-status="pending"] .student-homework-card .homework-status-icon { background: #f7edd5; color: #8a6a2b; }
.warm-app .learning-page .homework-material {
  border-color: #e8ded1;
  background: #fffdf9;
  box-shadow: 0 2px 5px rgb(56 43 28 / 5%), 0 7px 16px rgb(56 43 28 / 4%);
}
.warm-app .learning-page .homework-material::before {
  width: 15px;
  background-color: #eadfd2;
  background-image:
    radial-gradient(circle at 7.5px 18px, #fff 0 3px, #d8cbbb 3.5px 4px, transparent 4.5px),
    radial-gradient(circle at 7.5px 50%, #fff 0 3px, #d8cbbb 3.5px 4px, transparent 4.5px),
    radial-gradient(circle at 7.5px calc(100% - 18px), #fff 0 3px, #d8cbbb 3.5px 4px, transparent 4.5px);
  background-repeat: no-repeat;
  background-size: 15px 100%;
}
.warm-app .learning-page .student-homework-card:hover { transform: translateY(-1px); }
@media (max-width: 370px) {
  .warm-app .learning-page .student-homework-card { padding-left: 49px; gap: 8px; }
  .warm-app .learning-page .student-homework-card::before { width: 27px; }
  .warm-app .learning-page .student-homework-card .homework-status-icon { width: 40px; height: 40px; flex-basis: 40px; }
  .warm-app .learning-page .student-homework-card .homework-status-icon svg { width: 29px; height: 29px; }
}