/* Teacher landing page. The diary workspace keeps its existing layout. */
.teacher-home {
  min-height: calc(100vh - 170px);
  padding: 64px 0 80px;
  background: radial-gradient(ellipse at 8% 0, #edf3ff 0, transparent 48%), #f8fafc;
}
.teacher-home__shell { max-width: 1160px; }
.teacher-home__welcome { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-bottom: 40px; border-bottom: 1px solid #dfe6ef; }
.teacher-home .eyebrow { color: #475b87; margin: 0 0 14px; }
.teacher-home h1 { font-size: clamp(2rem, 4.5vw, 3.5rem); letter-spacing: -.045em; margin: 0; overflow-wrap: anywhere; }
.teacher-home__greeting-dot { color: #2563eb; }
.teacher-home .lead { font-size: 1.08rem; margin: 16px 0 0; }
.teacher-home__account { display: flex; align-items: center; gap: 24px; flex-shrink: 0; }
.teacher-home__account .button { border-color: #d8e0eb; font-size: .9rem; padding: 11px 20px; }
.teacher-home__logout { color: #526176; font-weight: 600; font-size: .9rem; text-decoration: none; padding: 12px 0; }
.teacher-home__logout:hover { color: #1d4ed8; }
.teacher-home__tools { padding-top: 36px; }
.teacher-home__section-heading { margin-bottom: 24px; }
.teacher-home__section-heading h2 { font-size: 1.35rem; letter-spacing: -.025em; margin: 0 0 8px; }
.teacher-home__section-heading p { color: #64748b; font-size: .95rem; margin: 0; }
.teacher-tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.teacher-tool { display: flex; flex-direction: column; gap: 30px; min-width: 0; padding: 28px; border: 1px solid #dfe6ef; border-radius: 22px; background: #fff; text-decoration: none; box-shadow: 0 4px 16px rgba(15, 23, 42, .025); }
.teacher-tool--active { border-color: #bdd0f5; background: linear-gradient(145deg, #fff 38%, #eef4ff); box-shadow: 0 8px 28px rgba(37, 99, 235, .07); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.teacher-tool--active:hover { transform: translateY(-4px); border-color: #2563eb; box-shadow: 0 14px 32px rgba(37, 99, 235, .12); }
.teacher-tool:focus-visible, .teacher-home__account a:focus-visible { outline: 3px solid #2563eb; outline-offset: 5px; }
.teacher-tool__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.teacher-tool__icon { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 16px; background: #e7efff; color: #2563eb; flex-shrink: 0; }
.teacher-tool__icon svg { width: 28px; height: 28px; }
.teacher-tool--personal .teacher-tool__icon { color: #7460ae; background: #f1edfa; }
.teacher-tool--plans .teacher-tool__icon { color: #2c8078; background: #e9f5f2; }
.teacher-tool__badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border: 1px solid #e2e8f0; border-radius: 100px; background: #f8fafc; color: #526176; font-size: .7rem; font-weight: 700; white-space: nowrap; }
.teacher-tool__badge--available { border-color: #c7e6d6; background: #f0faf4; color: #206443; }
.teacher-tool__badge--available > span { width: 5px; height: 5px; background: currentColor; border-radius: 50%; }
.teacher-tool__body { flex: 1; }
.teacher-tool h3 { font-size: 1.35rem; line-height: 1.25; letter-spacing: -.03em; margin: 0 0 14px; }
.teacher-tool__body p { font-size: .95rem; line-height: 1.75; color: #64748b; margin: 0; }
.teacher-tool__footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 20px; border-top: 1px solid #e5eaf2; font-size: .85rem; font-weight: 600; color: #64748b; }
.teacher-tool--active .teacher-tool__footer { color: #1d4ed8; border-color: #dbe6fa; }
.teacher-tool__arrow { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: #2563eb; color: #fff; font-size: 1.2rem; }
.teacher-tool__lock { width: 19px; height: 19px; }
.teacher-home__note { display: flex; align-items: baseline; justify-content: center; gap: 9px; margin: 28px 0 0; color: #64748b; font-size: .83rem; text-align: center; }
.teacher-home__note > span { color: #7287ad; }
@media (max-width: 1000px) {
  .teacher-tool-grid { gap: 16px; }
  .teacher-tool { padding: 22px; }
  .teacher-tool__top { flex-wrap: wrap; }
}
@media (max-width: 760px) {
  .teacher-home { padding: 36px 0 48px; }
  .teacher-home__welcome { align-items: flex-start; flex-direction: column; gap: 22px; padding-bottom: 28px; }
  .teacher-home__tools { padding-top: 28px; }
  .teacher-tool-grid { grid-template-columns: 1fr; }
  .teacher-tool { gap: 22px; padding: 24px; }
  .teacher-tool__top { flex-wrap: nowrap; }
  .teacher-home__note { text-align: left; justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .teacher-tool--active { transition: none; }
  .teacher-tool--active:hover { transform: none; }
}