body {
    font-family: Arial, sans-serif;
    background-color: #f4f7fb;
    margin: 0;
    color: #222;
}

header {
    background-color: #0f4c81;
    color: white;
    padding: 20px 40px;
}

header h1 {
    margin: 0 0 10px 0;
}

.site-navigation a,
.account-navigation a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.site-navigation a:hover,
.account-navigation a:hover {
    text-decoration: underline;
}

.site-navigation-links,
.account-navigation,
.account-utilities {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
}

.site-navigation a,
.account-navigation a {
    white-space: nowrap;
}

.account-utilities {
    justify-content: space-between;
    margin-top: 18px;
}

.account-utilities form {
    margin: 0;
}

.site-header-tutor,
.site-header-student {
    align-items: center;
    display: grid;
    grid-template-columns: auto 1fr;
}

.site-header-tutor h1,
.site-header-tutor hr,
.site-header-student h1,
.site-header-student hr {
    grid-column: 1 / -1;
}

.site-header-tutor .account-utilities,
.site-header-student .account-utilities {
    justify-content: flex-end;
    margin-top: 0;
}

main {
    max-width: 1100px;
    margin: 30px auto;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
}

button {
    padding: 8px 14px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font: inherit;
}

.btn-primary {
    background-color: #0f4c81;
    color: white;
    font-weight: bold;
    min-height: 44px;
    padding: 10px 20px;
}

.btn-secondary {
    background: white;
    border: 1px solid #c9d6e5;
    color: #17324d;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
    outline: 3px solid #ffbf47;
    outline-offset: 3px;
}

a {
    color: #0f4c81;
}

hr {
    margin: 25px 0;
}

ul li {
    margin-bottom: 15px;
}

small {
    color: #666;
}

h2 {
    margin-top: 42px;
    margin-bottom: 18px;
}

/* Notification cards */
.notification-list {
    list-style: none;
    padding-left: 0;
}

.notification-card {
    background-color: #f9fbff;
    border: 1px solid #d9e4f2;
    border-left: 5px solid #0f4c81;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.notification-card strong {
    color: #0f4c81;
}

.notification-card a {
    display: inline-block;
    margin-top: 8px;
    font-weight: bold;
}

/* Dashboard Statistics Cards */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 60px;
}

.stat-card {
    background-color: #f9fbff;
    border: 1px solid #d9e4f2;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
}

.stat-card h3 {
    margin-top: 0;
    color: #0f4c81;
}

.stat-card p {
    font-size: 28px;
    font-weight: bold;
    margin: 10px 0 0 0;
    margin-bottom: 0;
}

/* Lesson Cards */

.lesson-card-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 60px;
}

.lesson-card {
    background-color: #ffffff;
    border: 1px solid #d9e4f2;
    border-left: 5px solid #0f4c81;
    border-radius: 8px;
    padding: 18px;
}

.lesson-card h3 {
    margin-top: 0;
    color: #0f4c81;
}

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

.audit-plan-detail {
    margin: 12px 0;
}

.audit-plan-summary {
    margin: 12px 0;
}

.audit-plan-summary div {
    display: grid;
    gap: 4px 12px;
    grid-template-columns: minmax(150px, max-content) 1fr;
    margin: 6px 0;
}

.audit-plan-summary dt,
.audit-plan-summary dd {
    margin: 0;
}

.card-actions {
    margin-top: 15px;
}

.card-actions a {
    display: inline-block;
    margin-right: 10px;
    margin-bottom: 8px;
    padding: 8px 12px;
    background-color: #0f4c81;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}

.card-actions .btn-success {
    background-color: #2e7d32;
}

.card-actions .btn-warning {
    background-color: #ef6c00;
}

.card-actions .btn-danger {
    background-color: #c62828;
}

.card-actions .btn-info {
    background-color: #1565c0;
}

.card-actions a:hover {
    background-color: #0b3a63;
}

.hero-section {
    text-align: center;
    padding: 40px 20px;
}

.hero-section h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.hero-section p {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto 25px auto;
    line-height: 1.6;
}

.section-divider {
    border: none;
    height: 1px;
    background-color: #e0e6ef;
    margin: 50px 0;
}

footer {
    text-align: center;
    padding: 40px 20px;
    color: #666;
    font-size: 14px;
    border-top: 1px solid #e0e6ef;
    margin-top: 60px;
}

.btn-success {
    background-color: #2e7d32;
    color: white;
}

.btn-warning {
    background-color: #ef6c00;
    color: white;
}

.btn-danger {
    background-color: #c62828;
    color: white;
}

form input,
form select,
form textarea {
    max-width: 100%;
    padding: 8px;
    border: 1px solid #b9c7d8;
    border-radius: 4px;
}

.lesson-plan-form label[for="id_description"],
.lesson-plan-form label[for="id_change_reason"] {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
}

.lesson-plan-form .lesson-plan-wide-textarea {
    box-sizing: border-box;
    display: block;
    width: min(100%, 680px);
}

.lesson-plan-form .lesson-plan-wide-textarea + .helptext {
    color: #526478;
    display: block;
    font-size: 14px;
    line-height: 1.45;
    margin-top: 7px;
    max-width: 680px;
}

.lesson-plan-form p:has(.lesson-plan-wide-textarea) {
    margin-bottom: 24px;
}

.lesson-plan-delete-form {
    margin-top: 24px;
}

.deletion-confirmation-field {
    margin-bottom: 24px;
}

.deletion-confirmation-control {
    align-items: flex-start;
    display: flex;
    gap: 10px;
}

.deletion-confirmation-control input {
    margin-top: 4px;
}

.deletion-reason-field {
    margin-bottom: 24px;
}

.deletion-reason-field label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
}

.deletion-reason-field .lesson-plan-wide-textarea {
    box-sizing: border-box;
    display: block;
    width: min(100%, 680px);
}

.deletion-reason-field .field-help {
    margin-top: 7px;
    max-width: 680px;
}

.lesson-plan-delete-form .card-actions {
    margin-top: 24px;
}

.filter-form {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: end;
    margin-bottom: 25px;
}

.quick-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}

.quick-filters a,
.btn-link {
    display: inline-block;
    padding: 9px 13px;
    border: 1px solid #0f4c81;
    border-radius: 5px;
    text-decoration: none;
}

.form-field {
    display: grid;
    gap: 6px;
    margin-bottom: 18px;
    max-width: 680px;
}

.administrator-registration-form .form-field,
.self-registration-form .form-field {
    max-width: 500px;
}

.timezone-combobox {
    box-sizing: border-box;
    position: relative;
    width: 100%;
}

.timezone-combobox-control {
    position: relative;
}

.timezone-combobox-input {
    box-sizing: border-box;
    padding-right: 44px;
    width: 100%;
}

.timezone-combobox-toggle {
    align-items: center;
    background: transparent;
    border-left: 1px solid #b9c7d8;
    border-radius: 0 4px 4px 0;
    color: #0f4c81;
    display: flex;
    height: 100%;
    justify-content: center;
    padding: 0;
    position: absolute;
    right: 0;
    top: 0;
    width: 42px;
}

.timezone-combobox-toggle:hover {
    background: #e8f1f8;
}

.timezone-combobox-dropdown {
    background: white;
    border: 1px solid #7f9dbd;
    border-radius: 4px;
    box-shadow: 0 5px 14px rgba(15, 76, 129, 0.2);
    box-sizing: border-box;
    color: #222;
    left: 0;
    margin-top: 4px;
    position: absolute;
    width: 100%;
    z-index: 30;
}

.timezone-combobox-dropdown[hidden] {
    display: none;
}

.timezone-combobox-listbox {
    max-height: 280px;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-color: #7f9dbd #eef3f8;
    scrollbar-width: auto;
}

.timezone-combobox-option {
    background: white;
    color: #222;
    cursor: pointer;
    line-height: 1.35;
    padding: 9px 12px;
}

.timezone-combobox-option:hover,
.timezone-combobox-option-active {
    background: #d8e9f7;
    color: #17324d;
}

.timezone-combobox-option[aria-selected="true"] {
    background: #0f4c81;
    color: white;
    font-weight: bold;
}

.timezone-combobox-option[aria-selected="true"].timezone-combobox-option-active,
.timezone-combobox-option[aria-selected="true"]:hover {
    background: #0b3c68;
}

.timezone-combobox-empty {
    background: white;
    color: #526478;
    padding: 12px;
}

.compact-form .form-field {
    max-width: 500px;
}

.login-card {
    box-sizing: border-box;
    max-width: 28.75rem;
    width: 100%;
}

.login-form,
.login-form .form-field {
    max-width: 23.75rem;
    width: 100%;
}

.login-form input {
    box-sizing: border-box;
    width: 100%;
}

.login-actions {
    align-items: flex-start;
    border-top: 1px solid #d9e4f2;
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 64px;
    max-width: 28.75rem;
    padding-top: 22px;
}

.password-reset-panel {
    background: #f5f8fc;
    border: 1px solid #c8d7e8;
    border-radius: 8px;
    box-sizing: border-box;
    display: grid;
    gap: 10px;
    padding: 18px;
    width: 100%;
}

.password-reset-action {
    align-items: center;
    display: inline-flex;
    min-height: 44px;
    padding: 0 12px;
}

.mobile-video-skip {
    display: none;
}

#lesson-chat-panel {
    scroll-margin-top: 20px;
}

@media (max-width: 700px) {
    .mobile-video-skip {
        display: block;
        margin: 18px 0;
    }

    .mobile-video-skip a {
        align-items: center;
        display: inline-flex;
        min-height: 48px;
        padding: 0 12px;
    }
}

.quiet-back-link {
    font-weight: normal;
    text-decoration: none;
}

.quiet-back-link:hover {
    text-decoration: underline;
}

.form-field label {
    font-weight: bold;
}

.field-requirement,
.field-help {
    color: #526478;
    font-size: 14px;
    font-weight: normal;
    line-height: 1.45;
}

.field-error {
    color: #a11212;
    font-weight: bold;
}

.form-field-error input,
.form-field-error select,
.form-field-error textarea {
    border: 2px solid #b42318;
}

.form-error-summary {
    background: #fff4f2;
    border: 2px solid #b42318;
    border-radius: 8px;
    margin-bottom: 24px;
    padding: 16px 20px;
}

.form-error-summary h2 {
    color: #8e1710;
    margin: 0 0 10px;
}

.status-notice,
.success-confirmation {
    background: #f0f8f1;
    border: 2px solid #2e7d32;
    border-radius: 8px;
    margin-bottom: 22px;
    padding: 22px;
}

.availability-section {
    scroll-margin-top: 20px;
}

.section-intro {
    color: #405366;
    line-height: 1.55;
    max-width: 850px;
}

.availability-day {
    border: 1px solid #c9d6e5;
    border-radius: 8px;
    margin: 12px 0;
    overflow: hidden;
}

.availability-day summary {
    align-items: center;
    background: #f5f8fc;
    cursor: pointer;
    display: flex;
    gap: 15px;
    justify-content: space-between;
    padding: 15px 18px;
}

.day-summary {
    color: #526478;
    font-size: 14px;
    font-weight: normal;
    text-align: right;
}

.availability-day-content {
    padding: 18px;
}

.block-builder {
    align-items: end;
    background: #f8fafc;
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    padding: 14px;
}

.block-builder label {
    display: grid;
    font-weight: bold;
    gap: 5px;
}

.availability-group h3 {
    color: #0f4c81;
    font-size: 16px;
    margin: 20px 0 9px;
}

.availability-grid {
    display: grid;
    gap: 9px;
    grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
}

.hour-tile {
    position: relative;
}

.hour-tile input {
    opacity: 0;
    position: absolute;
}

.hour-tile span {
    background: white;
    border: 1px solid #9eb1c7;
    border-radius: 6px;
    cursor: pointer;
    display: block;
    padding: 11px 9px;
    text-align: center;
}

.hour-tile input:checked + span {
    background: #0f4c81;
    border-color: #0f4c81;
    color: white;
    font-weight: bold;
}

.hour-tile input:focus-visible + span {
    outline: 3px solid #ffbf47;
    outline-offset: 2px;
}

.availability-validation {
    color: #a11212;
    font-weight: bold;
    min-height: 22px;
    padding: 8px 0;
}

.schedule-context,
.schedule-detail-note {
    color: #405366;
    line-height: 1.5;
}

.weekly-schedule {
    margin: 0;
}

.weekly-schedule-day {
    border-bottom: 1px solid #e0e6ef;
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(105px, 0.3fr) 1fr;
    padding: 10px 0;
}

.weekly-schedule-day:last-child {
    border-bottom: 0;
}

.weekly-schedule dt {
    font-weight: bold;
}

.weekly-schedule dd {
    margin: 0;
}

.schedule-range {
    white-space: nowrap;
}

.schedule-unavailable {
    color: #667789;
}

.weekly-schedule-compact .weekly-schedule-day {
    padding: 6px 0;
}

.weekly-day-dropdowns {
    align-items: flex-start;
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    margin: 0 0 14px;
}

.weekly-day-dropdown {
    min-width: 0;
}

.weekly-day-dropdown summary {
    align-items: center;
    background: #f5f8fc;
    border: 1px solid #cbd8e6;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    font-weight: bold;
    gap: 6px;
    justify-content: space-between;
    list-style: none;
    padding: 9px 10px;
    white-space: nowrap;
}

.weekly-day-dropdown summary::-webkit-details-marker {
    display: none;
}

.weekly-day-dropdown summary::after {
    content: "\25BE";
    font-size: 13px;
}

.weekly-day-dropdown[open] summary::after {
    content: "\25B4";
}

.weekly-day-dropdown[open] summary {
    border-radius: 6px 6px 0 0;
}

.weekly-day-dropdown-times {
    border: 1px solid #cbd8e6;
    border-radius: 0 0 6px 6px;
    border-top: 0;
    font-size: 12px;
    line-height: 1.5;
    padding: 8px 5px;
}

.weekly-day-dropdown-times .schedule-range {
    display: block;
    white-space: nowrap;
}

.weekly-day-dropdown-times .schedule-range + .schedule-range {
    margin-top: 4px;
}

.weekly-schedule-card {
    margin-bottom: 25px;
}

.context-back-link {
    display: inline-block;
    margin-bottom: 22px;
}

.camera-policy-notice,
.lesson-ended-panel,
.capability-note {
    border-radius: 8px;
    line-height: 1.5;
}

.camera-policy-notice {
    background: #fff8e6;
    border: 2px solid #b26a00;
    margin: 18px 0;
    padding: 16px 18px;
}

.camera-policy-notice h3 {
    color: #754500;
    margin: 0 0 10px;
}

.lesson-ended-panel {
    background: #f0f8f1;
    border: 2px solid #2e7d32;
    margin: 24px 0;
    padding: 22px;
}

.lesson-ended-panel h2 {
    margin-top: 0;
}

.capability-note {
    background: #f5f8fc;
    border: 1px solid #c9d6e5;
    padding: 12px;
}

.lesson-room-layout {
    align-items: start;
    display: grid;
    gap: 16px;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 360px);
}

.lesson-media-column,
.lesson-chat-panel { min-width: 0; }

.lesson-room-main {
    max-width: 1500px;
    padding: 20px;
}

.lesson-room-heading {
    align-items: end;
    display: flex;
    gap: 12px 28px;
    justify-content: space-between;
    margin-bottom: 14px;
}

.lesson-room-heading h1,
.lesson-room-heading p { margin: 0 0 6px; }

.lesson-media-column {
    display: flex;
    flex-direction: column;
}

.lesson-provider-note {
    margin: 0 0 10px;
    order: 1;
    padding: 10px 14px;
}

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

.daily-room-frame {
    background: #101820;
    border: 0;
    height: 74vh;
    min-height: 560px;
    order: 4;
    width: 100%;
}

.lesson-secondary-details {
    margin: 12px 0 0;
    order: 5;
    padding: 0;
}

.lesson-secondary-details summary {
    cursor: pointer;
    font-weight: bold;
    padding: 14px 16px;
}

.lesson-secondary-content { padding: 0 16px 16px; }
.lesson-safeguards { order: 6; }

.mobile-video-skip {
    height: 0;
    margin: 0;
    order: 0;
    position: relative;
}

.lesson-skip-link {
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

.lesson-skip-link:focus {
    background: white;
    clip: auto;
    clip-path: none;
    height: auto;
    left: 8px;
    overflow: visible;
    padding: 10px 14px;
    top: 8px;
    white-space: normal;
    width: auto;
    z-index: 6;
}

.lesson-chat-panel {
    margin: 0;
    max-height: 78vh;
    overflow-y: auto;
    position: sticky;
    top: 16px;
}

.lesson-chat-panel textarea { max-width: 100%; width: 100%; }
.lesson-chat-toggle { display: none; }

.lesson-rejoin-panel,
.lesson-ending-warning {
    border-radius: 8px;
    line-height: 1.5;
    margin: 12px 0;
    padding: 14px 16px;
}

.lesson-rejoin-panel { background: #f0f8f1; border: 2px solid #2e7d32; order: 2; }
.lesson-ending-warning {
    background: #fff8e6;
    border: 2px solid #b26a00;
    color: #5f3900;
    font-weight: bold;
    margin: 0 0 10px;
    order: 3;
}

@media (max-width: 760px) {
    header {
        padding: 18px 20px;
    }

    main {
        margin: 15px;
        padding: 20px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .availability-grid {
        grid-template-columns: 1fr 1fr;
    }

    .availability-day summary {
        align-items: flex-start;
        flex-direction: column;
    }

    .day-summary {
        text-align: left;
    }

    .account-utilities {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-header-tutor,
    .site-header-student {
        display: block;
    }

    .site-header-tutor .account-utilities,
    .site-header-student .account-utilities {
        margin-top: 18px;
    }

    .weekly-day-dropdowns {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .lesson-room-main {
        margin: 8px;
        padding: 10px;
    }

    .lesson-room-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .lesson-room-layout { display: block; }
    .daily-room-frame {
        height: 64svh;
        min-height: 430px;
    }

    .lesson-provider-note p {
        display: block;
        margin: 4px 0 0;
    }

    .lesson-chat-toggle {
        display: block;
        margin: 0 0 12px;
        min-height: 48px;
        position: sticky;
        top: 8px;
        width: 100%;
        z-index: 3;
    }

    .lesson-chat-panel {
        border-top: 4px solid #0f4c81;
        bottom: 0;
        left: 0;
        max-height: 42vh;
        overflow-y: auto;
        position: fixed;
        right: 0;
        top: auto;
        z-index: 4;
    }

    .lesson-chat-panel.is-mobile-collapsed { display: none; }
    .lesson-chat-panel button,
    .lesson-chat-panel textarea,
    .lesson-rejoin-panel button { min-height: 48px; }
}

@media (max-width: 430px) {
    .stats-grid,
    .availability-grid {
        grid-template-columns: 1fr;
    }

    .block-builder {
        align-items: stretch;
        flex-direction: column;
    }

    .weekly-schedule-day {
        gap: 5px;
        grid-template-columns: 1fr;
    }

    .weekly-day-dropdowns {
        grid-template-columns: 1fr;
    }

    .login-actions {
        margin-top: 40px;
        padding-top: 26px;
    }
}