.lessons-page,
.lessons-dashboard-page,
.lessons-settings-page {
    background: #fff;
}

.lessons-hero {
    align-items: flex-end;
    background: #8f151b;
    color: #fff;
    display: flex;
    gap: 24px;
    justify-content: space-between;
    padding: 32px max(24px, calc((100% - 1124px) / 2));
}

.lessons-hero h1 {
    color: inherit;
    font-size: 2.75rem;
    line-height: 1.1;
    margin: 6px 0 10px;
    max-width: 820px;
}

.lessons-admin__header {
    align-items: center;
    border-bottom: 1px solid #dce1dc;
    color: #222;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-bottom: 22px;
    padding: 0 0 18px;
}

.lessons-admin__header h2 {
    color: inherit;
    font-size: 1.5rem;
    line-height: 1.25;
    margin: 4px 0 0;
}

.lessons-hero p,
.lessons-admin__header p {
    color: rgba(255, 255, 255, .86);
    font-size: 1.05rem;
    margin: 0;
    max-width: 680px;
}

.lessons-kicker {
    color: inherit;
    display: inline-block;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.lessons-hero__actions {
    flex-shrink: 0;
    text-align: right;
}

.lessons-hero__actions strong {
    display: block;
    font-size: 2rem;
    line-height: 1.1;
}

.lesson-credit-purchase { margin-top: 12px; }
.lesson-credit-purchase small { display: block; font-size: 13px; margin-top: 8px; }
.lesson-credit-purchase .lesson-credit-buy { max-width: 100%; box-sizing: border-box; white-space: normal; text-align: center; }

.lesson-family-menu { box-sizing: border-box; width: 100%; padding: 28px 16px 0; }
.lesson-family-heading { min-width: 0; }
.lesson-family-tabs { display: flex; flex-wrap: nowrap; width: 100%; gap: 6px; overflow-x: auto; overscroll-behavior-x: contain; }
.lesson-family-tabs a { display: flex; flex: 1 0 auto; flex-direction: column; align-items: center; justify-content: center; gap: 4px; min-width: max-content; min-height: 64px; box-sizing: border-box; border: 1px solid #d9dcde; border-radius: 4px; padding: 10px 8px; background: #e9e9e9; color: #111; font-size: 14px; font-weight: 700; line-height: 1.3; text-align: center; text-decoration: none; white-space: nowrap; }
.lesson-family-tabs a > span { display: flex; flex: 1; align-items: center; justify-content: center; width: 100%; min-width: 0; }
.lesson-family-tabs small { display: block; color: inherit; font-size: 12px; font-weight: 500; }
.lesson-family-tabs a[aria-current="page"] { color: #fff; border-color: #111; background: #111; }
.lesson-family-tabs a:not([aria-current="page"]):hover { background: #d9d9d9; }
.lesson-family-tabs a:focus-visible { outline: 3px solid #256b87; outline-offset: -3px; }
.lesson-family-current { padding: 0; }
.lesson-family-current h2 { font-size: 22px; line-height: 1.3; margin: 0; overflow-wrap: anywhere; }
.lesson-family-current p { font-size: 14px; color: #606060; margin: 4px 0 0; }

.lesson-test-menu { position: relative; color: #fff; }
.lesson-test-menu > summary { cursor: pointer; padding: 6px 8px; border: 1px solid #555; border-radius: 4px; font-size: 12px; font-weight: 800; letter-spacing: 0; white-space: nowrap; }
.lesson-test-menu__items { position: absolute; right: 0; top: calc(100% + 4px); z-index: 200; display: flex; flex-direction: column; gap: 4px; min-width: 180px; max-width: calc(100vw - 32px); box-sizing: border-box; padding: 6px; border: 1px solid #555; border-radius: 4px; background: #111; }
.lesson-test-menu__items form { margin: 0; }
.lesson-test-menu__items a, .lesson-test-menu__items button { display: block; box-sizing: border-box; width: 100%; padding: 9px 10px; border: 0; background: transparent; color: #fff; font: inherit; font-size: 13px; line-height: 1.3; text-align: left; white-space: normal; text-decoration: none; cursor: pointer; }
.lesson-test-menu__items a:hover, .lesson-test-menu__items button:hover, .lesson-test-menu__items [aria-current="page"] { background: #3b3b3b; }
.lesson-test-menu :focus-visible { outline: 2px solid #fff; outline-offset: -2px; }

@media (max-width: 980px) {
    .lesson-test-menu { max-width: 100%; }
    .lesson-test-menu__items { position: static; margin-top: 4px; }
    .lessons-page .site-adminbar--lesson-tests .site-adminbar__inner { flex-direction: column; align-items: stretch; }
    .lessons-page .site-adminbar--lesson-tests .site-adminbar__actions { flex-wrap: wrap; justify-content: flex-start; margin-left: 0; width: 100%; min-width: 0; }
}

.lessons-band,
.lessons-admin,
.lessons-grid,
.lessons-role-toggle {
    margin: 0 auto;
    max-width: 1180px;
    padding: 28px;
}

.lessons-role-toggle {
    display: flex;
    gap: 8px;
    padding-bottom: 0;
}

.lesson-sign-in { scroll-margin-top: 180px; }
.lesson-sign-in h2 { font-size: 24px; margin: 0 0 18px; }
.lesson-sign-in form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; max-width: 760px; margin: 0; }
.lesson-sign-in__email { flex: 1 1 280px; min-width: 0; }
.lesson-sign-in label { display: block; font-weight: 700; margin-bottom: 6px; }
.lesson-sign-in input[type="email"] { box-sizing: border-box; width: 100%; min-width: 0; min-height: 48px; border: 1px solid #888; border-radius: 4px; padding: 10px 12px; font: inherit; background: #fff; color: #111; }
.lesson-sign-in button { min-height: 48px; max-width: 100%; white-space: normal; }
.lesson-sign-in :focus-visible { outline: 3px solid #256b87; outline-offset: 3px; }

.lessons-role-toggle a {
    background: #fff;
    border: 1px solid #d9ded3;
    border-radius: 4px;
    color: #252b23;
    font-weight: 800;
    padding: 9px 14px;
    text-decoration: none;
    white-space: nowrap;
}

.lessons-role-toggle a.is-active {
    background: #111;
    border-color: #111;
    color: #fff;
}

.lessons-table-tabs {
    max-width: none;
    padding: 0 0 16px;
}

.lessons-band {
    display: grid;
    gap: 24px;
    grid-template-columns: minmax(0, .85fr) minmax(320px, 1.15fr);
}

.lessons-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.lessons-grid > .lessons-admin {
    grid-column: 1 / -1;
    max-width: none;
    width: 100%;
    min-width: 0;
    padding: 0;
}

.lessons-admin > .lessons-grid {
    max-width: none;
    padding: 0;
}

.lessons-panel,
.lesson-package,
.lessons-stat-grid article {
    background: #fff;
    border: 1px solid #dde1d8;
    border-radius: 6px;
    box-shadow: 0 12px 26px rgba(29, 34, 28, .06);
}

.lessons-panel {
    border: 0;
    border-radius: 0;
    box-shadow: none;
    min-width: 0;
    padding: 20px 0;
}

.lessons-panel--span {
    grid-column: 1 / -1;
}

.lessons-panel__header {
    align-items: flex-start;
    border-bottom: 1px solid #e5e8df;
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin: 0 0 16px;
    padding: 0 0 14px;
}

.lessons-panel__links {
    display: flex;
    gap: 10px;
    white-space: nowrap;
}

.lessons-panel__header h2,
.lessons-panel h3,
.lesson-package h3 {
    color: #1f241e;
    margin: 4px 0 0;
}

.lessons-panel__header .lessons-kicker {
    color: #8f151b;
}

.lessons-package-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.lesson-package {
    display: grid;
    gap: 10px;
    padding: 18px;
}

.lesson-package p {
    color: #5d665a;
    margin: 0;
}

.lesson-package strong {
    color: #111;
    font-size: 1.4rem;
}

.lessons-slot-list,
.lessons-list {
    display: grid;
    gap: 10px;
}

.lesson-slot,
.lesson-row,
.lessons-mini-row {
    align-items: center;
    background: #fafbf8;
    border: 1px solid #e4e8df;
    border-radius: 6px;
    display: flex;
    gap: 14px;
    justify-content: space-between;
    padding: 12px;
}

.lesson-slot strong,
.lesson-row strong,
.lessons-mini-row strong {
    color: #1d221c;
    display: block;
}

.lesson-slot span,
.lesson-row span,
.lesson-slot small,
.lessons-muted {
    color: #687064;
}

.lesson-slot form,
.lesson-row form {
    align-items: center;
    display: flex;
    gap: 8px;
    margin: 0;
}

.lesson-slot--series small {
    display: block;
    margin-top: 3px;
}

.lesson-taken-times { margin-top: 10px; }
.lesson-slot--taken { background: #ffead1; border-color: #e0b886; }
.lesson-slot--taken > div { min-width: 0; overflow-wrap: anywhere; }
.lesson-slot--taken strong, .lesson-slot--taken span, .lesson-slot--taken small { color: #59534c; }
.lesson-slot--taken small { display: block; margin-top: 4px; line-height: 1.5; }
.lesson-slot--taken .lesson-taken-label { flex-shrink: 0; font-weight: 700; }

.lesson-slot select {
    min-width: 160px;
}

.lessons-empty {
    background: #fafbf8;
    border: 1px dashed #c8cec2;
    border-radius: 6px;
    padding: 18px;
}

.lessons-form {
    display: grid;
    gap: 12px;
}

.lessons-form--inline {
    align-items: end;
    grid-template-columns: minmax(220px, 1fr) minmax(180px, 1fr) 160px auto;
}

.lessons-filter-bar,
.lessons-bulk-bar {
    align-items: end;
    background: #fafbf8;
    border: 1px solid #e4e8df;
    border-radius: 6px;
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(4, minmax(140px, 1fr)) auto;
    margin: 0 0 14px;
    padding: 12px;
}

.lessons-filter-bar--admin {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.lessons-bulk-bar {
    grid-template-columns: minmax(180px, 240px) minmax(180px, 260px) auto;
    margin-top: 2px;
}

.lessons-filter-bar label,
.lessons-bulk-bar label {
    display: grid;
    gap: 5px;
}

.lessons-filter-bar span,
.lessons-bulk-bar span {
    color: #3f473c;
    font-size: .76rem;
    font-weight: 800;
}

.lessons-filter-bar input,
.lessons-filter-bar select,
.lessons-bulk-bar input,
.lessons-bulk-bar select {
    border: 1px solid #cfd6c9;
    border-radius: 4px;
    font: inherit;
    min-height: 40px;
    padding: 9px 10px;
    width: 100%;
}

.lessons-scheduler-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.lessons-form--scheduler {
    align-content: start;
    background: #fafbf8;
    border: 1px solid #e4e8df;
    border-radius: 6px;
    padding: 14px;
}

.lessons-form--scheduler h3 {
    margin: 0;
}

.lessons-form label,
.lesson-complete label {
    display: grid;
    gap: 5px;
}

.lessons-form label span,
.lesson-complete label span {
    color: #3f473c;
    font-size: .8rem;
    font-weight: 800;
}

.lessons-form input,
.lessons-form select,
.lesson-complete textarea,
.lesson-slot select {
    border: 1px solid #cfd6c9;
    border-radius: 4px;
    font: inherit;
    padding: 10px 11px;
    width: 100%;
}

.lessons-check {
    align-items: center;
    display: flex !important;
    flex-direction: row;
}

.lessons-check input {
    width: auto;
}

.lessons-instructor-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: minmax(260px, .8fr) minmax(320px, 1.2fr);
    margin-top: 18px;
}

.lessons-demo-note {
    align-items: center;
    background: #fff7e0;
    border: 1px solid #efd58c;
    border-radius: 6px;
    color: #493a13;
    display: flex;
    gap: 10px;
    justify-content: space-between;
    margin-bottom: 16px;
    padding: 10px 12px;
}

.lessons-slot-admin-list {
    display: grid;
    gap: 10px;
}

.lessons-slot-overview {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.lessons-slot-overview h4 {
    color: #1f241e;
    margin: 0 0 8px;
}

.lessons-mini-row--manage {
    align-items: flex-start;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
}

.lessons-mini-row--manage form {
    align-items: center;
    display: flex;
    gap: 8px;
    margin: 0;
}

.lessons-mini-row--manage select {
    border: 1px solid #cfd6c9;
    border-radius: 4px;
    font: inherit;
    min-width: 150px;
    padding: 8px 9px;
}

.lesson-complete {
    border: 1px solid #e4e8df;
    border-radius: 6px;
    margin-bottom: 10px;
    padding: 12px;
}

.lesson-complete summary {
    cursor: pointer;
    font-weight: 800;
}

.lesson-complete form {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.lesson-note {
    background: #fafbf8;
    border: 1px solid #e4e8df;
    border-left: 4px solid #8f151b;
    border-radius: 6px;
    padding: 13px;
}

.lesson-note p {
    margin: 8px 0 0;
}

.lessons-text-button {
    background: transparent;
    border: 0;
    color: #8f151b;
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    padding: 0;
}

.lessons-stat-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 18px;
}

.lessons-stat-grid--wide {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.lessons-stat-grid article {
    padding: 18px;
    box-shadow: none;
}

.lessons-stat-grid span {
    color: #5f685c;
    display: block;
    font-size: .78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.lessons-stat-grid strong {
    color: #1c221b;
    display: block;
    font-size: 2.1rem;
    margin-top: 4px;
}

.lessons-table-wrap {
    max-width: 100%;
    overflow-x: auto;
}

.lessons-history {
    margin-top: 28px;
}

.lessons-history-pages {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    padding-top: 12px;
}

.lessons-roster-edit {
    flex-shrink: 0;
    min-width: 80px;
}

.lessons-roster-edit summary {
    color: #8f151b;
    cursor: pointer;
    font-weight: 700;
}

.lessons-roster-edit .lessons-form {
    align-items: stretch;
    display: grid;
    margin-top: 12px;
    width: 220px;
    max-width: 100%;
}

.lesson-row small {
    display: block;
    overflow-wrap: anywhere;
}

.lessons-table {
    border-collapse: collapse;
    min-width: 720px;
    width: 100%;
}

.lessons-table th,
.lessons-table td {
    border-bottom: 1px solid #e3e7de;
    padding: 11px 9px;
    text-align: left;
}

.lessons-table th {
    color: #596154;
    font-size: .75rem;
    text-transform: uppercase;
}

.lessons-table--tracker {
    min-width: 1120px;
}

.lessons-table--tracker td {
    vertical-align: top;
}

.lessons-table--tracker input[type="checkbox"] {
    height: 18px;
    width: 18px;
}

.lessons-status {
    background: #eef1ea;
    border-radius: 999px;
    color: #2d3529;
    display: inline-block;
    font-size: .78rem;
    font-weight: 800;
    padding: 3px 8px;
}

/* Instructor controls stay scoped; the shared website styles are untouched. */
.lessons-hero--instructor { background: #fff; color: #242424; max-width: 1180px; margin: 0 auto; padding: 28px 28px 0; }
.lessons-hero--instructor h1 { font-size: 28px; margin: 0; }
.lessons-hero--instructor .lessons-kicker, .lessons-hero--instructor .lessons-hero__actions { display: none; }
.lesson-teacher { color: #242424; font-size: 16px; letter-spacing: 0; }
.lesson-teacher h2, .lesson-teacher h3, .lesson-teacher h4 { letter-spacing: 0; }
.lesson-teacher-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.lesson-teacher-heading h2 { font-size: 26px; line-height: 1.25; margin: 0; }
.lesson-teacher-heading p { color: #656565; margin: 6px 0 0; font-size: 15px; }
.lesson-demo-label { color: #767676; font-size: 12px; margin-left: 8px; }
.lesson-teacher-tools { display: flex; gap: 10px; flex-wrap: wrap; }
.lesson-btn, .lesson-icon-btn { appearance: none; background: #fff; border: 1px solid #cdd1d3; border-radius: 4px; box-shadow: none; color: #242424; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; font: inherit; font-size: 14px; font-weight: 700; letter-spacing: 0; line-height: 1.3; min-height: 40px; padding: 10px 14px; text-decoration: none; text-transform: none; }
.lesson-btn:hover, .lesson-icon-btn:hover { background: #f3f4f5; }
.lesson-btn--primary { background: #a81f29; border-color: #a81f29; color: #fff; }
.lesson-btn--primary:hover { background: #861820; color: #fff; }
.lesson-btn--plain { border-color: transparent; background: transparent; color: #616161; }
.lesson-btn:disabled { cursor: not-allowed; opacity: .5; }
.lesson-icon-btn { flex: 0 0 40px; width: 40px; height: 40px; padding: 0; font-size: 22px; }
.lesson-teacher :focus-visible { outline: 3px solid #256b87; outline-offset: 3px; }
.lesson-schedule-tabs { display: flex; border-bottom: 1px solid #d9dcde; gap: 24px; }
.lesson-schedule-tabs a { border-bottom: 3px solid transparent; color: #626262; font-size: 15px; font-weight: 700; padding: 0 0 14px; text-decoration: none; }
.lesson-schedule-tabs a[aria-current] { border-color: #a81f29; color: #242424; }
.lesson-start { padding: 64px 0 80px; text-align: center; }
.lesson-teacher .lesson-start h3 { font-size: 21px; margin: 0 0 20px; }
.lesson-week-bar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding: 24px 0; }
.lesson-week-nav { display: flex; align-items: center; gap: 14px; }
.lesson-teacher .lesson-week-nav h3 { font-size: 17px; margin: 0; }
.lesson-week-counts { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13px; color: #646464; }
.lesson-mark { display: inline-flex; align-items: center; gap: 6px; }
.lesson-mark::before { content: ''; display: block; width: 8px; height: 8px; background: #426e85; border-radius: 2px; }
.lesson-mark--open::before { background: #fff; border: 1px solid #8a9499; }
.lesson-mark--booked::before { background: #ffead1; border: 1px solid #b67832; }
.lesson-mark--done::before { background: #477a56; }
.lesson-day { display: grid; grid-template-columns: 145px minmax(0, 1fr); border-top: 1px solid #e0e3e5; padding: 18px 0; gap: 24px; }
.lesson-day-heading { padding-top: 12px; }
.lesson-day-heading h4 { font-size: 16px; margin: 0 0 4px; }
.lesson-day-heading span { color: #737373; font-size: 13px; }
.lesson-day--today .lesson-day-heading h4 { color: #a81f29; }
.lesson-day-times { display: grid; gap: 8px; min-width: 0; }
.lesson-agenda-row { display: grid; grid-template-columns: 90px minmax(0, 1fr) auto; align-items: center; gap: 18px; padding: 16px; border: 1px solid #e0b886; border-left: 4px solid #b67832; border-radius: 4px; background: #ffead1; }
.lesson-agenda-row.is-open { background: #fff; border-left-color: #a8b0b4; }
.lesson-agenda-row.is-finished { background: #f3f7f3; border-left-color: #477a56; }
.lesson-agenda-time strong, .lesson-agenda-person strong { font-size: 15px; display: block; }
.lesson-agenda-time small, .lesson-agenda-person span { display: block; color: #666; font-size: 13px; margin-top: 4px; }
.lesson-agenda-person { min-width: 0; overflow-wrap: anywhere; }
.lesson-finished-label { display: inline-block; color: #356943; font-size: 12px; font-weight: 700; margin-top: 5px; }
.lesson-agenda-actions { display: flex; gap: 6px; align-items: center; justify-content: flex-end; }
.lesson-schedule-empty { display: flex; align-items: flex-start; flex-direction: column; gap: 14px; padding: 30px 0; }
.lesson-schedule-empty h4 { font-size: 18px; margin: 0; }
.lesson-schedule-empty a { font-size: 14px; }
.lesson-pending { border-top: 1px solid #ddd; padding: 22px 0; }
.lesson-pending summary, .lesson-inline-notes summary { font-size: 14px; font-weight: 700; cursor: pointer; }
.lesson-pending-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; border-bottom: 1px solid #eee; padding: 14px 0; font-size: 14px; }
.lesson-inline-notes { max-width: 280px; font-size: 14px; }
.lesson-inline-notes p { margin: 10px 0 0; overflow-wrap: anywhere; }
.lesson-teacher-history[hidden] { display: none; }
.lesson-teacher-history .lesson-complete { box-shadow: none; border-width: 0 0 1px; border-radius: 0; padding: 16px 0; }
.lesson-teacher-history summary { font-size: 15px; }
.lesson-teacher-history p { font-size: 14px; }
.lesson-dialog { background: #fff; border: 0; border-radius: 6px; box-shadow: 0 16px 60px #0004; color: #242424; max-height: calc(100dvh - 40px); max-width: 520px; overflow-y: auto; padding: 26px; width: calc(100% - 32px); }
.lesson-dialog:not([open]) { display: none; }
.lesson-dialog::backdrop { background: #0007; }
.lesson-dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.lesson-teacher .lesson-dialog-heading h3 { font-size: 21px; margin: 0; line-height: 1.3; }
.lesson-dialog-heading .lesson-icon-btn { border: 0; }
.lesson-dialog > p { font-size: 14px; color: #666; margin: 0 0 20px; overflow-wrap: anywhere; }
.lesson-dialog-form { display: grid; gap: 16px; margin: 0; }
.lesson-dialog-form label { display: grid; gap: 6px; min-width: 0; }
.lesson-dialog-form label > span { font-size: 13px; font-weight: 700; }
.lesson-dialog-form input, .lesson-dialog-form select, .lesson-dialog-form textarea { box-sizing: border-box; background: #fff; border: 1px solid #cdd1d3; border-radius: 4px; color: #242424; font: inherit; font-size: 16px; line-height: 1.4; min-height: 44px; min-width: 0; padding: 10px; width: 100%; }
.lesson-dialog-form textarea { resize: vertical; }
.lesson-field-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.lesson-hours-preview { background: #f0f6f9; color: #385a6c; font-size: 13px; padding: 10px 12px; border-radius: 4px; }
.lesson-hours-preview:empty { display: none; }
.lesson-form-options summary { color: #646464; cursor: pointer; font-size: 13px; }
.lesson-form-options label { margin-top: 14px; }
.lesson-dialog-footer { display: flex; justify-content: flex-end; gap: 8px; border-top: 1px solid #e0e3e5; padding-top: 18px; margin-top: 4px; }

.lesson-picker-dialog { box-sizing: border-box; max-width: 960px; }
.lesson-block-dialog { box-sizing: border-box; max-width: 760px; }
.lesson-child-selector { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.lesson-child-selector label { font-size: 14px; font-weight: 700; }
.lesson-child-selector select { background: #fff; color: #222; border: 1px solid #ccc; border-radius: 4px; font: inherit; padding: 10px; min-height: 44px; max-width: 100%; }
.lesson-open-label { color: #225a3b; font-size: 13px; font-weight: 700; }
.lesson-managed-row { border-top: 1px solid #ddd; padding: 14px 0; }
.lesson-managed-row summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; font-size: 14px; }
.lesson-managed-row summary small { display: block; margin-top: 4px; color: #60656a; }
.lesson-managed-row .lesson-dialog-form { padding-top: 16px; max-width: 620px; }
.lesson-managed-complete { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; }
.lesson-block-toolbar { display: flex; justify-content: flex-end; margin-bottom: 16px; }
.lesson-block-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid #e0e3e5; padding: 16px 0; }
.lesson-block-row > div:first-child { min-width: 0; }
.lesson-teacher .lesson-block-row h4 { font-size: 16px; line-height: 1.4; margin: 0 0 6px; }
.lesson-block-row h4 small { font-size: 12px; font-weight: 400; color: #666; }
.lesson-block-row p { font-size: 13px; line-height: 1.6; margin: 0; color: #5b646a; overflow-wrap: anywhere; }
.lesson-block-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
@media (max-width: 600px) {
    .lesson-block-row { align-items: flex-start; flex-direction: column; gap: 10px; }
    .lesson-block-actions { align-self: flex-end; }
    .lesson-block-toolbar .lesson-btn { width: 100%; }
}
.lesson-picker-dialog [hidden] { display: none !important; }
.lesson-picker-dialog .lesson-dialog-form { gap: 12px; }
.lesson-picker-dialog .lesson-field-pair { max-width: 500px; }
.lesson-picker-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; font-size: 13px; }
.lesson-picker-meta span { color: #666; }
.lesson-picker-days { display: none; }
.lesson-picker-scroll { position: relative; max-height: 48dvh; height: 480px; overflow: auto; border: 1px solid #dce1e4; border-radius: 4px; overscroll-behavior: contain; }
.lesson-picker-grid { display: grid; grid-template-columns: 80px repeat(7, minmax(0, 1fr)); gap: 1px; background: #e1e5e8; }
.lesson-picker-column, .lesson-picker-corner { position: sticky; top: 0; z-index: 2; background: #f5f6f7; padding: 12px 4px; font-size: 13px; font-weight: 700; text-align: center; }
.lesson-picker-time { background: #fff; color: #60656a; font-size: 12px; display: flex; justify-content: center; align-items: center; min-height: 34px; }
.lesson-picker-cell { appearance: none; border: 0; border-radius: 0; background: #fff; color: #89929a; cursor: pointer; font: inherit; font-size: 12px; font-weight: 600; letter-spacing: 0; min-width: 0; min-height: 34px; padding: 4px; line-height: 1.2; overflow-wrap: anywhere; user-select: none; box-shadow: none; }
.lesson-picker-cell:hover:not(:disabled) { background: #eef2f4; color: #333; }
.lesson-picker-cell.is-selected, .lesson-picker-cell.is-selected:hover { background: #e1f1e7; color: #225a3b; box-shadow: inset 3px 0 #367a51; }
.lesson-picker-cell.is-booked { background: #ffead1; color: #63431d; box-shadow: inset 3px 0 #b67832; }
.lesson-picker-cell.is-removed { background: #fff0ee; color: #9e3932; text-decoration: line-through; }
.lesson-picker-cell:disabled:not(.is-booked) { background: #f4f5f6; color: #a4a9ac; cursor: not-allowed; }
.lesson-picker-cell.is-booked:disabled { cursor: not-allowed; }
.lesson-picker-legend { display: flex; gap: 18px; flex-wrap: wrap; font-size: 12px; color: #5c6266; }
.lesson-picker-legend span { display: inline-flex; gap: 6px; align-items: center; }
.lesson-picker-legend i { height: 10px; width: 10px; background: #e1f1e7; border: 1px solid #367a51; }
.lesson-picker-legend i.is-booked { background: #ffead1; border-color: #b67832; }
.lesson-picker-legend i.is-removed { background: #fff0ee; border-color: #9e3932; }
.lesson-picker-error { margin: 0; color: #a3262a; font-size: 13px; }
.lesson-picker-actions { position: sticky; top: -26px; z-index: 5; display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; background: #fff; border-bottom: 1px solid #e0e3e5; padding: 8px 0 12px; }
.lesson-picker-dialog output { color: #5b646a; margin-right: auto; font-size: 13px; }
.lesson-inline-schedule { min-width: 0; }
.lesson-inline-schedule[hidden], .lesson-inline-schedule [hidden], #lesson-detail [hidden] { display: none !important; }
.lesson-inline-schedule .lesson-picker-meta { display: none; }
.lesson-inline-schedule .lesson-picker-scroll { height: auto; max-height: none; overflow: visible; overscroll-behavior: auto; }
.lesson-inline-schedule .lesson-picker-grid { grid-template-rows: auto; grid-auto-rows: 34px; }
.lesson-inline-schedule .lesson-picker-cell { height: 34px; box-sizing: border-box; }
.lesson-inline-schedule .lesson-picker-column, .lesson-inline-schedule .lesson-picker-corner { position: static; }
.lesson-picker-name { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.lesson-inline-schedule .lesson-picker-cell small { font-size: 10px; line-height: 1.1; margin-top: 0; }
.lesson-inline-schedule .lesson-picker-actions { top: 0; }
.lesson-inline-schedule output { color: #5b646a; margin-right: auto; font-size: 13px; }
.lesson-inline-schedule:not(.is-editing) .lesson-picker-cell:not(.is-booked) { cursor: default; }
.lesson-inline-schedule:not(.is-editing) .lesson-picker-cell:not(.is-booked):not(.is-selected):hover { background: #fff; }
.lesson-picker-cell.is-booked:hover { background: #ffead1; color: #63431d; }
.lesson-picker-cell.is-completed, .lesson-picker-cell.is-completed:hover { background: #e6efe7; color: #315b3b; box-shadow: inset 3px 0 #477a56; }
.lesson-picker-cell small { display: block; font-size: 11px; line-height: 1.3; font-weight: 700; margin-top: 4px; }
.lesson-picker-legend i.is-completed { background: #e6efe7; border-color: #477a56; }
.lesson-inline-schedule.is-today-view .lesson-picker-grid { grid-template-columns: 80px minmax(0, 1fr); }
.lesson-inline-schedule.is-today-view [data-day]:not(.is-active-day), .lesson-inline-schedule.is-today-view .lesson-picker-days { display: none; }
.lesson-teacher .lesson-start { padding: 24px 0; }
#lesson-detail [data-detail-notes] h4 { font-size: 14px; margin: 16px 0 6px; }
#lesson-detail [data-detail-notes] p { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14px; margin: 0; }
#lesson-detail .lesson-detail-status { color: #315b3b; font-weight: 700; }
@media (max-width: 600px) {
    .lesson-picker-dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px); padding: 16px; }
    .lesson-picker-days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
    .lesson-picker-days button { appearance: none; border: 0; border-bottom: 3px solid transparent; border-radius: 0; background: #fff; color: #666; font: inherit; font-size: 12px; font-weight: 700; letter-spacing: 0; padding: 10px 0; cursor: pointer; min-height: 44px; -webkit-tap-highlight-color: transparent; }
    .lesson-picker-days button[aria-selected="true"] { background: #f8eeee; color: #a81f29; border-bottom-color: #a81f29; }
    .lesson-picker-grid { grid-template-columns: 80px minmax(0, 1fr); }
    .lesson-picker-grid [data-day]:not(.is-active-day) { display: none; }
    .lesson-picker-cell, .lesson-picker-time { min-height: 44px; }
    .lesson-inline-schedule .lesson-picker-grid { grid-auto-rows: 44px; }
    .lesson-inline-schedule .lesson-picker-cell { height: 44px; }
    .lesson-picker-scroll { max-height: 34dvh; }
    .lesson-picker-dialog output { flex-basis: 100%; }
    .lesson-inline-schedule output { flex-basis: 100%; }
    .lesson-teacher-tools .lesson-btn { font-size: 13px; padding: 10px; }
}

@media (max-width: 820px) {
    .lessons-role-toggle--instructor { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 5px; overflow-x: visible; }
    .lessons-role-toggle--instructor a { font-size: 12px; padding: 10px 4px; text-align: center; }
    .lesson-teacher-heading { align-items: flex-start; flex-direction: column; gap: 16px; }
    .lesson-day { grid-template-columns: 1fr; gap: 12px; }
    .lesson-day-heading { display: flex; align-items: center; gap: 10px; padding-top: 0; }
    .lesson-day-heading h4 { margin: 0; }
    .lesson-agenda-row { grid-template-columns: 76px minmax(0, 1fr); gap: 12px; padding: 14px; }
    .lesson-agenda-actions { grid-column: 2; justify-content: flex-start; flex-wrap: wrap; }
    .lesson-week-bar { align-items: flex-start; flex-direction: column; }
    .lesson-schedule-tabs { gap: 20px; }
    .lesson-schedule-tabs a { font-size: 14px; }
    .lesson-dialog { padding: 20px; }
    .lesson-picker-actions { top: -20px; }
    .lesson-teacher .lesson-dialog-heading h3 { font-size: 19px; }
    .lesson-pending-row { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 820px) {
    .lessons-hero h1 {
        font-size: 2rem;
    }

    .lessons-hero,
    .lessons-band,
    .lessons-grid,
    .lessons-role-toggle {
        padding-left: 18px;
        padding-right: 18px;
    }

    .lessons-admin > .lessons-grid,
    .lessons-table-tabs {
        padding-left: 0;
        padding-right: 0;
    }

    .lessons-hero__actions {
        text-align: left;
    }

    .lessons-stat-grid--wide {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .lessons-hero,
    .lessons-admin__header,
    .lessons-band,
    .lessons-grid,
    .lessons-instructor-grid,
    .lessons-scheduler-grid,
    .lessons-slot-overview,
    .lessons-form--inline,
    .lessons-filter-bar,
    .lessons-filter-bar--admin,
    .lessons-bulk-bar {
        grid-template-columns: 1fr;
    }

    .lessons-role-toggle {
        overflow-x: auto;
    }

    .lessons-hero,
    .lessons-admin__header,
    .lesson-slot,
    .lesson-row {
        align-items: stretch;
        flex-direction: column;
    }

    .lesson-slot form,
    .lesson-row form,
    .lessons-demo-note,
    .lessons-mini-row--manage form {
        align-items: stretch;
        flex-direction: column;
    }
}

@media (max-width: 360px) {
    .lessons-role-toggle--instructor a { font-size: 11px; padding-left: 2px; padding-right: 2px; }
}