agent_backend/app/course-home.css

.course-home {
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 0;
}
.course-home section {
  margin: 58px 0 0;
}
.home-hero {
  max-width: 900px;
}
.home-hero h1 {
  font-size: clamp(31px, 3.8vw, 46px);
  line-height: 1.4;
}
.home-lead {
  max-width: 790px;
  color: #59677e;
  font-size: 17px;
  line-height: 1.95;
}
.home-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px 24px;
  margin-top: 25px;
}
.home-primary-link,
.home-secondary-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-size: 14px;
}
.home-primary-link {
  background: var(--primary);
  color: #fff;
  border-radius: 7px;
  padding: 11px 16px;
  font-weight: 500;
}
.home-primary-link:hover {
  background: #225bdc;
}
.home-secondary-link {
  color: #445c80;
}
.home-secondary-link:hover {
  color: var(--primary);
}
.home-course-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 22px 54px;
  margin: 32px 0 0;
}
.home-course-facts > div {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.home-course-facts dt {
  font-size: 25px;
  line-height: 1.3;
  color: #243d65;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.home-course-facts dd {
  margin: 0;
  font-size: 12px;
  color: #6a768c;
}
.home-scope-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 21px 24px;
  margin-top: 32px;
  border: 1px solid #dfe8f7;
  border-left: 3px solid #80a9ef;
  border-radius: 0 8px 8px 0;
  background: #f7faff;
}
.home-scope-note > svg {
  margin-top: 3px;
  color: #4b74b7;
}
.home-scope-note strong {
  display: block;
  color: #324c74;
  font-size: 14px;
}
.home-scope-note p {
  font-size: 13px;
  line-height: 1.85;
  color: #65738a;
  margin: 5px 0 0;
}
.home-section-heading {
  margin-bottom: 23px;
}
.home-section-heading > span {
  display: block;
  font-family: var(--font-geist-mono), monospace;
  font-size: 11px;
  letter-spacing: 1.3px;
  color: #70809a;
  margin-bottom: 10px;
}
.home-section-heading p {
  max-width: 850px;
  color: #647188;
  font-size: 14px;
  margin: 11px 0 0;
  line-height: 1.85;
}
.home-architecture-figure {
  container: home-architecture / inline-size;
  margin: 0;
  border: 1px solid #dfe6f0;
  border-radius: 11px;
  background: #fcfdff;
  overflow: hidden;
}
.home-diagram-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding: 19px 22px;
  border-bottom: 1px solid #e4eaf3;
  font-size: 0.8125rem;
  color: #576983;
}
.home-diagram-legend > span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.home-diagram-legend i {
  display: inline-block;
  flex-shrink: 0;
  width: 15px;
  height: 13px;
  border-radius: 3px;
}
.home-legend-module {
  background: #f3f7ff;
  border: 1px solid #a4bee6;
}
.home-diagram-legend .home-legend-task {
  position: relative;
  width: 25px;
  height: 0;
  border-top: 2px solid #b87020;
  border-radius: 0;
}
.home-legend-task::after {
  content: '';
  position: absolute;
  right: 0;
  top: -4px;
  width: 6px;
  height: 6px;
  border-top: 2px solid #b87020;
  border-right: 2px solid #b87020;
  transform: rotate(45deg);
}
.home-legend-context {
  background: #f2f4f8;
  border: 1px dashed #a8b2c2;
}
.home-layered-architecture {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 16px;
  padding: 22px;
}
.home-architecture-stack {
  display: grid;
  gap: 12px;
  min-width: 0;
}
.home-architecture-layer {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  border: 1px solid #dbe5f3;
  border-left: 3px solid #83a6d8;
  border-radius: 7px;
  background: #f5f8fd;
  min-width: 0;
}
.home-layer-heading {
  padding: 18px 12px;
  align-self: center;
}
.home-layer-heading h3 {
  margin: 0;
  color: #304c74;
  font-size: 0.9375rem;
  font-weight: 600;
}
.home-layer-heading p {
  margin: 6px 0 0;
  color: #687a92;
  font-size: 0.75rem;
  line-height: 1.7;
}
.home-layer-content {
  min-width: 0;
  padding: 12px;
  border-left: 1px solid #e0e8f4;
  background: #fff;
  border-radius: 0 6px 6px 0;
}
.home-layer-nodes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.home-layer-client .home-layer-nodes,
.home-layer-access .home-layer-nodes {
  grid-template-columns: minmax(0, 1fr);
}
.home-layer-runtime .home-layer-nodes {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.home-layer-tasks {
  border-color: #e7d7bf;
  border-left-color: #c89855;
  background: #fbf7f0;
}
.home-layer-tasks .home-layer-content {
  border-left-color: #efe5d6;
}
.home-layer-tasks .home-layer-nodes {
  grid-template-columns: minmax(0, 1fr) 18px minmax(0, 1fr) 18px minmax(0, 1fr);
  gap: 5px;
}
.home-task-arrow {
  color: #b87020;
  align-self: center;
}
.home-layer-data {
  border-left-color: #78a4ae;
  background: #f2f8fa;
}
.home-layer-runtime {
  border-left-color: #899bb3;
  background: #edf1f7;
}
.home-architecture-node {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 13px 12px;
  background: #f3f7ff;
  border: 1px solid #b9cdeb;
  border-radius: 5px;
  overflow-wrap: anywhere;
}
.home-architecture-node strong {
  display: block;
  margin-bottom: 5px;
  color: #253f66;
  font-size: 0.875rem;
  line-height: 1.65;
  font-weight: 600;
}
.home-architecture-node > span {
  color: #566781;
  font-size: 0.875rem;
  line-height: 1.8;
}
.home-node-context {
  background: #f4f5f8;
  border-color: #bdc5d2;
  border-style: dashed;
}
.home-node-queue {
  background: #fff8ee;
  border-color: #e2cba9;
}
.home-node-storage {
  background: #f0f7fa;
  border-color: #b6ced8;
}
.home-node-runtime {
  background: #f1f4f9;
  border-color: #c6d2e2;
}
.home-architecture-node:is(a):hover,
.home-architecture-node:is(a):focus-visible {
  border-color: #2f6bff;
  background: #edf4ff;
}
.home-layer-note {
  margin: 9px 1px 0;
  font-size: 0.75rem;
  line-height: 1.85;
  color: #65748b;
}
.home-crosscutting {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 16px 12px 12px;
  background: #eff4fc;
  border: 1px dashed #a9bddb;
  border-radius: 7px;
}
.home-crosscutting-heading > span {
  color: #355783;
  font-size: 0.9375rem;
  font-weight: 600;
}
.home-crosscutting-heading p {
  margin: 4px 0 0;
  color: #657996;
  font-size: 0.75rem;
  line-height: 1.8;
}
.home-crosscutting-card {
  flex: 1;
  padding: 15px 12px;
  border: 1px solid #ccdaee;
  border-radius: 5px;
  background: #fff;
  overflow-wrap: anywhere;
}
.home-crosscutting-number {
  display: block;
  margin-bottom: 10px;
  color: #527bb4;
  font-family: var(--font-geist-mono), monospace;
  font-size: 0.8125rem;
}
.home-crosscutting-card h3 {
  margin: 0;
  color: #304c74;
  font-size: 0.9375rem;
}
.home-crosscutting-card p {
  margin: 9px 0 16px;
  color: #62738c;
  font-size: 0.8125rem;
  line-height: 1.85;
}
.home-crosscutting-card dl {
  display: grid;
  gap: 12px;
  margin: 0;
}
.home-crosscutting-card dt {
  color: #3f5e88;
  font-size: 0.8125rem;
  font-weight: 500;
}
.home-crosscutting-card dd {
  margin: 0;
  color: #6d7d94;
  font-size: 0.75rem;
}
.home-crosscutting-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 17px;
  color: #526c90;
  font-size: 0.8125rem;
}
.home-crosscutting-tag {
  display: block;
  margin-top: 18px;
  color: #75829a;
  font-size: 0.75rem;
}
.home-crosscutting-card:hover {
  border-color: #2f6bff;
}
.home-architecture-figure figcaption {
  border-top: 1px solid #e4eaf3;
  padding: 13px 20px;
  margin: 0;
  color: #6b7790;
  font-size: 12px;
  background: #f8faff;
  line-height: 1.9;
}
.home-reading-paths {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 21px;
  margin-top: 25px;
}
.home-reading-paths article {
  border-top: 2px solid #d9e5f7;
  padding-top: 14px;
}
.home-reading-number {
  display: block;
  color: #6384b5;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 5px;
}
.home-reading-paths h3 {
  font-size: 15px;
}
.home-reading-paths p {
  color: #65728a;
  font-size: 13px;
  line-height: 1.9;
  margin: 7px 0 0;
}
.home-term-note {
  padding: 18px 21px;
  background: #f5f7fb;
  border-radius: 7px;
  color: #66748a;
  font-size: 13px;
  margin: 24px 0 0;
  line-height: 1.9;
}
.home-term-note strong {
  color: #354f73;
}
.home-module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 21px;
}
.home-module-card {
  display: flex;
  flex-direction: column;
  border: 1px solid #e0e7f1;
  border-radius: 9px;
  padding: 23px 24px 0;
  scroll-margin-top: 90px;
  min-width: 0;
}
.home-module-card:target {
  border-color: #91b4ed;
  box-shadow: 0 0 0 3px #edf4ff;
}
.home-module-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #78859a;
  font-size: 11px;
  margin-bottom: 14px;
}
.home-module-card-top > svg {
  margin-left: auto;
  color: #6c88b0;
}
.home-module-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #edf4ff;
  color: #326dd0;
  width: 31px;
  height: 28px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-geist-mono), monospace;
}
.home-module-card h3 {
  color: #263c5d;
  font-size: 20px;
}
.home-module-question {
  font-size: 13px;
  color: #577399;
  line-height: 1.85;
  margin: 5px 0 0;
}
.home-module-card dl {
  display: grid;
  gap: 12px;
  margin: 18px 0 23px;
}
.home-module-card dl > div {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 12px;
}
.home-module-card dt {
  font-size: 12px;
  color: #465a78;
  font-weight: 500;
  padding-top: 1px;
}
.home-module-card dd {
  font-size: 13px;
  color: #69758b;
  margin: 0;
  line-height: 1.85;
  overflow-wrap: anywhere;
}
.home-module-entry {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #e8edf5;
  padding: 15px 0;
  margin-top: auto;
  font-size: 13px;
  color: #356cbd;
}
.home-module-entry:hover {
  color: #174d9c;
}
.home-task-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}
.home-task-timeline > li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 20px;
  position: relative;
  padding-bottom: 23px;
}
.home-task-timeline > li:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 17px;
  top: 34px;
  bottom: 0;
  width: 1px;
  background: #d5e1f2;
}
.home-timeline-index {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #eff5ff;
  border: 1px solid #d6e5fc;
  color: #4375bc;
  height: 35px;
  width: 35px;
  border-radius: 50%;
  font-size: 13px;
  position: relative;
}
.home-timeline-title {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 15px;
  align-items: center;
  min-height: 35px;
  margin-bottom: 5px;
}
.home-timeline-title h3 {
  margin: 0;
  font-size: 16px;
}
.home-timeline-title > span {
  color: #7c715d;
  background: #faf5ec;
  font-size: 11px;
  border-radius: 3px;
  padding: 1px 7px;
}
.home-task-timeline p {
  margin: 0;
  color: #66748b;
  font-size: 14px;
  line-height: 1.9;
}
.home-failure-note {
  padding: 21px 24px;
  background: #f7f9fc;
  border: 1px solid #e2e8f1;
  border-radius: 8px;
  margin-top: 3px;
}
.home-failure-note strong {
  color: #3e5576;
  font-size: 15px;
}
.home-failure-note p {
  color: #65738b;
  font-size: 13px;
  margin: 7px 0 12px;
}
.home-failure-note a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #3a70be;
}
.home-learning-route {
  padding: 0;
  margin: 0;
  list-style: none;
}
.home-learning-route > li {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 23px 0;
  border-top: 1px solid #e4eaf3;
}
.home-learning-route > li > svg {
  color: #6483af;
  margin-top: 4px;
}
.home-learning-route > li > div {
  flex: 1;
  min-width: 0;
}
.home-learning-route h3 {
  font-size: 16px;
}
.home-learning-route p {
  color: #68758b;
  font-size: 13px;
  line-height: 1.85;
  margin: 6px 0 0;
}
.home-learning-route a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #4b74ac;
  font-size: 13px;
  white-space: nowrap;
  margin-top: 3px;
}
@container home-architecture (max-width: 940px) {
  .home-layered-architecture {
    grid-template-columns: minmax(0, 1fr);
    padding: 16px;
  }
  .home-crosscutting {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 16px;
  }
  .home-crosscutting-heading {
    grid-column: 1 / -1;
  }
  .home-crosscutting-card {
    padding: 16px;
  }
  .home-crosscutting-card dl {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
}
@media (max-width: 1120px) {
  .home-reading-paths {
    gap: 17px;
  }
  .home-module-card {
    padding: 20px 20px 0;
  }
  .home-module-card dl > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}
@container home-architecture (max-width: 680px) {
  .home-architecture-layer {
    grid-template-columns: minmax(0, 1fr);
  }
  .home-layer-heading {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 4px 14px;
    padding: 12px 14px;
  }
  .home-layer-heading p {
    margin: 0;
  }
  .home-layer-content,
  .home-layer-tasks .home-layer-content {
    border-left: 0;
    border-top: 1px solid #e0e8f4;
    border-radius: 0 0 6px 6px;
  }
}
@media (max-width: 800px) {
  .home-reading-paths {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .home-reading-paths article {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    column-gap: 11px;
  }
  .home-reading-number {
    grid-row: span 2;
    margin-top: 2px;
  }
  .home-reading-paths p {
    margin-top: 1px;
  }
  .home-module-grid {
    grid-template-columns: 1fr;
  }
  .home-module-card dl > div {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 12px;
  }
}
@container home-architecture (max-width: 540px) {
  .home-layered-architecture {
    padding: 12px;
    gap: 12px;
  }
  .home-diagram-legend {
    padding: 15px;
    gap: 9px 16px;
  }
  .home-layer-nodes,
  .home-layer-runtime .home-layer-nodes,
  .home-layer-tasks .home-layer-nodes,
  .home-crosscutting {
    grid-template-columns: minmax(0, 1fr);
  }
  .home-task-arrow {
    justify-self: center;
    transform: rotate(90deg);
  }
  .home-layer-tasks .home-layer-nodes {
    gap: 7px;
  }
  .home-architecture-node {
    padding: 13px 14px;
  }
}
@media (max-width: 540px) {
  .course-home section {
    margin-top: 43px;
  }
  .home-hero h1 {
    font-size: 30px;
    line-height: 1.45;
    margin-top: 15px;
  }
  .home-lead {
    font-size: 15px;
  }
  .home-course-facts {
    column-gap: 21px;
    row-gap: 15px;
  }
  .home-course-facts > div {
    flex-direction: column;
    gap: 4px;
  }
  .home-course-facts dt {
    font-size: 22px;
  }
  .home-course-facts dd {
    font-size: 11px;
  }
  .home-scope-note {
    padding: 17px 15px;
    gap: 10px;
  }
  .home-scope-note > svg {
    width: 17px;
  }
  .home-section-heading h2 {
    font-size: 22px;
  }
  .home-architecture-figure figcaption {
    padding: 12px 14px;
  }
  .home-module-card {
    padding: 20px 18px 0;
  }
  .home-module-card dl > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .home-task-timeline > li {
    gap: 13px;
  }
  .home-failure-note {
    padding: 19px 18px;
  }
  .home-learning-route > li {
    gap: 11px;
    flex-wrap: wrap;
  }
  .home-learning-route a {
    width: 100%;
    margin-left: 31px;
  }
}