.teacher-home { max-width: 1180px; min-width: 0; margin-inline: auto; padding-bottom: 12px; }
.th-hero { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 240px; padding: 25px 32px; overflow: hidden; border-radius: 22px; background: var(--navy, #142337); color: #fff; }
.th-hero-copy { position: relative; z-index: 1; min-width: 0; }
.teacher-home .th-eyebrow { margin: 0 0 9px; color: var(--lime, #b9ed86); font-size: 11px; line-height: 1.5; font-weight: 750; letter-spacing: 1px; overflow-wrap: anywhere; }
.th-hero h1 { max-width: 570px; margin: 0 0 11px; color: #fff; font-size: clamp(30px, 3vw, 40px); line-height: 1.13; letter-spacing: -1.2px; font-weight: 750; }
.th-hero-description { max-width: 430px; margin: 0 0 18px; color: var(--theme-dark-muted, #b6c4d4); font-size: 14px; line-height: 1.7; }
.th-primary { display: inline-flex; align-items: center; justify-content: center; gap: 17px; min-height: 46px; padding: 12px 18px; border: 1px solid transparent; border-radius: 10px; background: var(--lime, #b9ed86); color: var(--theme-highlight-ink, #203928); font-size: 14px; font-weight: 750; text-align: center; }
.th-primary:hover { filter: brightness(1.06); }
.th-primary .icon { width: 18px; height: 18px; flex-shrink: 0; }
.th-record-art { position: relative; flex: 0 0 295px; height: 190px; margin-right: 5px; transform: scale(.86); transform-origin: right center; }
.th-record-sleeve { position: absolute; top: 11px; left: 0; width: 174px; height: 191px; padding: 21px; border: 1px solid var(--theme-dark-line, #42546b); border-radius: 6px; background: var(--theme-dark-panel, #243b51); transform: rotate(-9deg); }
.th-record-sleeve > span { display: block; font-size: 19px; line-height: 1.25; font-weight: 750; letter-spacing: -1px; color: #e8f0f4; }
.th-record-sleeve-lines { display: block; width: 88px; height: 38px; margin-top: 24px; border-top: 2px solid var(--lime, #b9ed86); border-bottom: 2px solid var(--lime, #b9ed86); position: relative; opacity: .65; }
.th-record-sleeve-lines::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; background: var(--lime, #b9ed86); }
.th-record { position: absolute; width: 211px; height: 211px; right: 0; top: 0; display: grid; place-items: center; border: 1px solid #546473; border-radius: 50%; background: repeating-radial-gradient(circle, #172230 0 6px, #2c3b4b 7px 8px, #172230 9px 14px); box-shadow: -9px 10px 20px #07121f38; transform: rotate(12deg); }
.th-record-label { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 88px; height: 88px; gap: 9px; border-radius: 50%; background: var(--lime, #b9ed86); color: var(--theme-highlight-ink, #203928); }
.th-record-label i { width: 8px; height: 8px; border-radius: 50%; background: #172230; }
.th-record-label b { font-size: 12px; line-height: 1.1; letter-spacing: -.4px; text-align: center; }
.th-record-note { position: absolute; bottom: -42px; right: 7px; color: var(--theme-dark-muted, #b6c4d4); font-size: 10px; letter-spacing: 1px; font-weight: 650; }
.th-start-guide { margin-top: 23px; padding: 21px 3px; border-top: 1px solid var(--line, #dce3e9); }
.th-start-guide > summary { width: fit-content; color: var(--ink, #1c2d3e); cursor: pointer; font-size: 14px; font-weight: 650; }
.th-start-guide > summary:focus-visible { outline: 3px solid var(--blue, #315edf); outline-offset: 4px; border-radius: 3px; }
.th-start-guide[open] > summary { margin-bottom: 20px; }
.th-start-heading h2 { margin: 0 0 5px; color: var(--ink, #1c2d3e); font-size: 15px; letter-spacing: -.2px; }
.th-start-heading > p { margin: 0; color: var(--muted, #647485); font-size: 14px; line-height: 1.7; }
.th-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 25px; list-style: none; margin: 22px 0 0; padding: 0; }
.th-steps li { display: flex; gap: 12px; min-width: 0; align-items: flex-start; }
.th-steps li > span { flex: 0 0 29px; color: var(--blue, #315edf); font-size: 12px; line-height: 23px; font-variant-numeric: tabular-nums; font-weight: 650; }
.th-steps strong { display: block; margin: 0 0 5px; color: var(--ink, #1c2d3e); font-size: 14px; line-height: 1.6; font-weight: 650; }
.th-steps p { margin: 0; max-width: 275px; color: var(--muted, #647485); font-size: 14px; line-height: 1.7; }
.th-destinations { padding-top: 27px; }
.th-section-heading { margin: 0 0 19px; }
.th-section-heading h2 { margin: 0 0 5px; color: var(--ink, #1c2d3e); font-size: 20px; letter-spacing: -.5px; }
.th-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.th-card { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; min-height: 204px; padding: 22px; border: 1px solid var(--line, #dce3e9); border-radius: 15px; background: #fff; color: var(--ink, #1c2d3e); text-align: left; transition: border-color .15s, box-shadow .15s, transform .15s; }
.th-card:hover { border-color: var(--blue, #315edf); box-shadow: 0 6px 17px #14233709; transform: translateY(-2px); }
.th-card-top { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-bottom: 15px; }
.th-card-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--theme-soft, #edf2fc); color: var(--blue, #315edf); }
.th-card-icon .icon { width: 23px; height: 23px; }
.th-card-collection .th-card-icon { background: #eaf4e4; color: #456348; }
.th-card-live .th-card-icon { background: #e7f1ed; color: #3f7260; }
.th-card-students .th-card-icon { background: #f2edf9; color: #796291; }
.th-card-stage .th-card-icon { background: #fcf0e5; color: #9e7145; }
.th-card-bounce .th-card-icon { background: #f9edf1; color: #9b617b; }
.th-card-arrow { display: grid; place-items: center; color: #90a0ae; }
.th-card-arrow .icon { width: 16px; height: 16px; }
.th-card-kicker { color: var(--muted, #647485); font-size: 10px; line-height: 1.6; letter-spacing: 1px; font-weight: 650; margin-bottom: 5px; }
.th-card > strong { display: block; margin-bottom: 8px; color: var(--ink, #1c2d3e); font-size: 18px; line-height: 1.35; letter-spacing: -.4px; font-weight: 700; overflow-wrap: anywhere; }
.th-card-description { color: var(--muted, #647485); font-size: 14px; line-height: 1.65; }
.th-quick-starts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; margin-top: 20px; }
.th-quick-start { display: flex; align-items: center; gap: 13px; min-width: 0; min-height: 90px; padding: 17px 19px; border: 1px solid var(--line, #dce3e9); border-radius: 12px; background: transparent; text-align: left; }
.th-quick-start:hover { background: #fff; border-color: #aabac8; }
.th-quick-start > span:nth-child(2) { flex: 1; min-width: 0; }
.th-quick-icon { display: grid; place-items: center; flex-shrink: 0; color: var(--blue, #315edf); }
.th-quick-icon .icon { width: 21px; height: 21px; }
.th-quick-start strong { display: block; margin-bottom: 4px; color: var(--ink, #1c2d3e); font-size: 15px; line-height: 1.5; }
.th-quick-start small { display: block; color: var(--muted, #647485); font-size: 14px; line-height: 1.65; }
.th-quick-arrow { color: #8b9ba8; flex-shrink: 0; }
.th-quick-arrow .icon { width: 16px; height: 16px; }
.th-navigation-status { margin: 16px 0 0; color: #a42d40; font-size: 14px; }
.th-navigation-status:empty { display: none; }
.teacher-home button:focus-visible { outline: 3px solid var(--blue, #315edf); outline-offset: 4px; }
.teacher-home .th-primary:focus-visible { outline-color: #fff; }
@media (max-width: 1050px) {
  .th-hero { padding: 25px 28px; }
  .th-record-art { flex-basis: 245px; height: 190px; margin-left: -30px; }
  .th-record-sleeve { left: -35px; }
  .th-card { padding: 19px; }
  .th-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 730px) {
  .th-record-art { display: none; }
  .th-hero { min-height: 240px; }
  .th-steps { gap: 18px; }
  .th-steps li { gap: 6px; }
  .th-steps li > span { flex-basis: 23px; }
  .th-quick-starts { grid-template-columns: minmax(0, 1fr); gap: 10px; }
}
@media (max-width: 520px) {
  .th-hero { padding: 26px 23px; border-radius: 17px; }
  .th-hero h1 { font-size: 34px; letter-spacing: -1.1px; }
  .th-hero-description { font-size: 14px; margin-bottom: 18px; }
  .th-primary { min-height: 45px; padding-inline: 14px; gap: 12px; font-size: 14px; }
  .th-start-guide { padding-block: 24px; }
  .th-steps { grid-template-columns: minmax(0, 1fr); gap: 16px; margin-top: 18px; }
  .th-steps li { gap: 10px; }
  .th-steps li > span { flex-basis: 25px; }
  .th-steps p { max-width: none; }
  .th-destinations { padding-top: 24px; }
  .th-section-heading h2 { font-size: 19px; }
  .th-card-grid { grid-template-columns: minmax(0, 1fr); gap: 11px; }
  .th-card { min-height: 0; padding: 19px; }
  .th-card-top { margin-bottom: 13px; }
  .th-card-icon { width: 38px; height: 38px; border-radius: 10px; }
  .th-card > strong { font-size: 17px; }
  .th-quick-starts { margin-top: 17px; }
  .th-quick-start { padding-inline: 16px; }
}
@media (prefers-reduced-motion: reduce) { .th-card { transition: none; } .th-card:hover { transform: none; } }