:root {
  --nfil-teal: #184f52;
  --nfil-gold: #c99b4e;
  --nfil-coral: #d76f61;
  --nfil-cream: #fff8ea;
  --nfil-aqua: #75b7b1;
  --nfil-ink: #17363a;
}

.nfil-shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 2rem auto;
  color: var(--nfil-ink);
  font-family: "Atkinson Hyperlegible", Arial, sans-serif;
}
.nfil-shell *, .nfil-shell *::before, .nfil-shell *::after { box-sizing: border-box; }
.nfil-shell h2, .nfil-shell h3, .nfil-shell h4 { color: var(--nfil-teal); font-family: Georgia, serif; }
.nfil-kicker, .nfil-day, .nfil-status { margin-bottom: .3rem; color: var(--nfil-coral); font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.nfil-dashboard-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.nfil-role-badge { flex: none; padding: .55rem .9rem; border-radius: 999px; background: rgba(117,183,177,.25); color: var(--nfil-teal); font-size: .88rem; font-weight: 700; }
.nfil-panel, .nfil-login-card, .nfil-form-card, .nfil-lesson-card { margin: 1.25rem 0; padding: clamp(1.2rem, 3vw, 2rem); border: 1px solid rgba(24,79,82,.16); border-radius: 22px; background: #fffdf8; box-shadow: 0 10px 28px rgba(23,54,58,.09); }
.nfil-week-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 1rem; }
.nfil-lesson-card { margin: 0; }
.nfil-lesson-card details { margin-top: 1rem; padding-top: .8rem; border-top: 1px solid rgba(24,79,82,.14); }
.nfil-lesson-card summary, .nfil-progress summary, .nfil-add-student summary { color: var(--nfil-teal); cursor: pointer; font-weight: 700; }
.nfil-view-tabs { display: inline-flex; gap: .35rem; margin: 1.2rem 0 1.5rem; padding: .35rem; border-radius: 999px; background: rgba(117,183,177,.18); }
.nfil-tab { padding: .7rem 1.1rem; border: 0; border-radius: 999px; background: transparent; color: var(--nfil-teal); cursor: pointer; font: inherit; font-weight: 700; }
.nfil-tab.is-active { background: var(--nfil-teal); color: white; }
.nfil-check { display: flex !important; align-items: flex-start; gap: .7rem; margin: .7rem 0; padding: .75rem; border-radius: 12px; background: rgba(117,183,177,.11); font-weight: 400 !important; }
.nfil-check input { width: 1.25rem !important; height: 1.25rem; margin-top: .15rem; accent-color: var(--nfil-teal); }
.nfil-goal { padding: .85rem 1rem; border-left: 5px solid var(--nfil-gold); border-radius: 0 10px 10px 0; background: rgba(201,155,78,.12); }
.nfil-sample-download { margin-top: 1.5rem; padding: 1.5rem; border-radius: 20px; background: var(--nfil-teal); color: white; }
.nfil-sample-download h3 { color: white; }
.nfil-button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: .7rem 1.2rem; border: 2px solid var(--nfil-teal); border-radius: 999px; background: var(--nfil-teal); color: white !important; cursor: pointer; font: inherit; font-weight: 700; line-height: 1; text-decoration: none !important; }
.nfil-button:hover { filter: brightness(1.08); }
.nfil-button-secondary { background: transparent; color: var(--nfil-teal) !important; }
.nfil-button-small { min-height: 36px; padding: .45rem .8rem; font-size: .87rem; }
.nfil-link-button { padding: .35rem; border: 0; background: transparent; color: var(--nfil-teal); cursor: pointer; font: inherit; font-weight: 700; text-decoration: underline; }
.nfil-actions, .nfil-row-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; }
.nfil-action-form { display: inline; margin: 0; }
.nfil-student-row { margin: .8rem 0; padding: 1.1rem; border: 1px solid rgba(24,79,82,.14); border-radius: 16px; background: white; }
.nfil-student-row > div:first-child { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.nfil-student-row h4, .nfil-student-row p { margin-block: .2rem; }
.nfil-student-row.is-archived { opacity: .65; }
.nfil-inline-form { display: flex; flex-wrap: wrap; align-items: end; gap: .8rem; margin-top: 1rem; }
.nfil-shell label:not(.nfil-check) { display: grid; gap: .3rem; color: var(--nfil-teal); font-weight: 700; }
.nfil-shell input:not([type=checkbox]), .nfil-shell textarea, .nfil-shell select { min-height: 44px; max-width: 100%; padding: .65rem .8rem; border: 1px solid rgba(24,79,82,.42); border-radius: 10px; background: white; color: var(--nfil-ink); font: inherit; }
.nfil-shell textarea { min-height: 90px; width: 100%; }
.nfil-alert { width: min(1120px,calc(100% - 2rem)); margin: 1rem auto; padding: 1rem 1.2rem; border-left: 5px solid var(--nfil-gold); border-radius: 10px; background: #fff7dc; }
.nfil-alert-error { border-color: var(--nfil-coral); background: #fff0ed; }
.nfil-alert-success { border-color: var(--nfil-aqua); background: #edf9f7; }
.nfil-pairing-code { margin: 1rem 0; padding: 1.2rem; border: 2px dashed var(--nfil-gold); border-radius: 18px; text-align: center; }
.nfil-pairing-code p, .nfil-pairing-code small { display: block; margin: .2rem 0; }
.nfil-pairing-code strong { display: block; color: var(--nfil-teal); font-size: clamp(2rem,6vw,3.6rem); letter-spacing: .18em; }
.nfil-resource-list, .nfil-progress ul { margin: 0; padding: 0; list-style: none; }
.nfil-resource-list li, .nfil-progress li { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid rgba(24,79,82,.12); }
.nfil-progress { margin-top: 1rem; }
.nfil-progress small { display: block; margin-top: .25rem; font-weight: 400; }
.nfil-lesson-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.nfil-lesson-heading > span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; background: var(--nfil-aqua); color: white; font-size: 1.4rem; }
.nfil-assigned-lesson.is-complete { background: #f3faf8; }
.nfil-exit-parent { border-top: 7px solid var(--nfil-gold); }

.nfil-public-page { margin-block: 1rem 3rem; }
.nfil-public-intro { padding: clamp(1rem, 3vw, 2rem) 0 1.25rem; }
.nfil-public-intro h2 { margin-block: .15rem .8rem; font-size: clamp(2.2rem, 6vw, 4rem); }
.nfil-public-lead { max-width: 760px; font-size: clamp(1.12rem, 2.3vw, 1.35rem); }
.nfil-public-actions { margin-top: 1.35rem; }
.nfil-public-panel { border-top: 7px solid var(--nfil-gold); }
.nfil-public-checklist { display: grid; gap: .7rem; margin: 1.1rem 0 0; padding: 0; list-style: none; }
.nfil-public-checklist li { position: relative; padding-left: 1.8rem; }
.nfil-public-checklist li::before { position: absolute; left: 0; color: var(--nfil-teal); content: "✓"; font-weight: 700; }
.nfil-feature-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
.nfil-public-feature { margin: 0; }
.nfil-public-callout { margin-top: 1rem; border-top: 7px solid var(--nfil-aqua); background: #edf9f7; }
.nfil-plan-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; margin: 1rem 0; }
.nfil-plan-card { margin: 0; }
.nfil-plan-card.is-featured { border-top: 7px solid var(--nfil-coral); }
.nfil-plan-label { display: inline-block; margin: 0 0 .8rem; padding: .4rem .7rem; border-radius: 999px; background: rgba(117,183,177,.2); color: var(--nfil-teal); font-size: .82rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }

.nfil-shell :focus-visible { outline: 3px solid var(--nfil-gold); outline-offset: 3px; }
@media (max-width:720px) {
  .nfil-dashboard-header, .nfil-student-row > div:first-child, .nfil-resource-list li, .nfil-progress li { align-items: flex-start; flex-direction: column; }
  .nfil-role-badge { align-self: flex-start; }
  .nfil-feature-grid, .nfil-plan-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { .nfil-shell * { scroll-behavior: auto !important; } }