/* Public storefront mobile. Loaded after site.css + elite.css.
   Scoped to header/footer/auth-modal globally, and .is-storefront pages. */

.is-storefront,
.is-storefront .container,
.is-storefront .page,
.is-storefront .card,
.is-storefront .masthead,
.is-storefront .catalog,
.is-storefront .catalog-item,
.is-storefront .catalog-copy,
.is-storefront .teacher-hero,
.is-storefront .teacher-hero-copy,
.is-storefront .teacher-card,
.is-storefront .teacher-card-body,
.is-storefront .teacher-detail-main-grid,
.is-storefront .subject-detail,
.is-storefront .subject-detail-pick,
.is-storefront .subject-detail-pick__body,
.is-storefront .legal-doc,
.is-storefront .legal-text,
.is-storefront .atelier-auth,
.is-storefront .pill-row {
    min-width: 0;
}

#auth-modal .auth-sheet-form {
    padding-right: 20px;
    min-width: 0;
}

/* ---------- tablet: drop multi-column storefront grids ---------- */
@media (max-width: 900px) {
    .is-storefront .catalog {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .is-storefront .subject-detail-picks,
    .is-storefront .subject-detail-tracks,
    .is-storefront .atelier-notes,
    .is-storefront .teacher-detail-main-grid,
    .is-storefront .card-grid,
    .is-storefront .category-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .is-storefront .teacher-list--cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .is-storefront .teacher-book-card,
    .is-storefront .teacher-upcoming-card,
    .is-storefront .page .teacher-chat-card,
    .is-storefront .teacher-chat-card {
        grid-column: auto;
        grid-row: auto;
        position: static;
    }

    .is-storefront .masthead .teacher-hero {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
        align-items: start;
    }

    .is-storefront .teacher-hero-copy {
        min-width: 0;
        width: 100%;
    }

    .site-footer .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px 20px;
    }
}

/* ---------- phones + small tablets ---------- */
@media (max-width: 720px) {
    .site-header .nav {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 10px 12px;
        min-height: 0;
        padding: 10px 0;
    }

    .site-header .brand {
        font-size: 20px;
        letter-spacing: 0.1em;
        min-width: 0;
        max-width: calc(100% - 8px);
    }

    .site-header .brand-mark,
    .site-header .brand-mark svg {
        width: 34px;
        height: 34px;
        flex-shrink: 0;
    }

    .site-header .top-nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: flex-end;
        gap: 8px;
        margin-left: auto;
        min-width: 0;
        width: auto;
        flex: 1 1 auto;
    }

    .site-header .top-nav .btn {
        padding: 8px 12px;
        font-size: 11px;
        letter-spacing: 0.04em;
        white-space: nowrap;
    }

    .site-header .nav-label-full { display: none; }
    .site-header .nav-label-short { display: inline; }

    .site-footer {
        padding: 28px 0 calc(28px + env(safe-area-inset-bottom, 0px));
    }

    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 22px;
    }

    .site-footer .footer-grid > div {
        min-width: 0;
    }

    .site-footer a,
    .site-footer p,
    .site-footer h4 {
        overflow-wrap: break-word;
    }

    .pi-well {
        padding: 28px 0 calc(32px + env(safe-area-inset-bottom, 0px));
    }
    .pi-well-digits {
        font-size: 22px;
    }
    .pi-well-lead { font-size: 14px; }

    #auth-modal .auth-modal-card.auth-sheet {
        width: 100%;
        max-width: 100%;
        margin: 0;
        max-height: calc(100dvh - 20px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
        overflow: auto;
        padding: 0;
        border-radius: 0;
        display: grid;
        grid-template-columns: 1fr;
    }

    #auth-modal .auth-sheet-form {
        padding: 22px 18px 28px;
        min-width: 0;
    }

    #auth-modal .auth-modal-card h2 {
        font-size: 30px;
        margin: 0;
        overflow-wrap: break-word;
    }

    #auth-modal .auth-lead {
        font-size: 14px;
        margin: 8px 0 0;
    }

    #auth-modal .auth-modal-close {
        position: absolute;
        top: 12px;
        right: 10px;
        z-index: 2;
    }

    #auth-modal .auth-flow-switch,
    .is-storefront .atelier-auth .auth-flow-switch {
        display: flex;
        grid-template-columns: none;
        width: 100%;
    }

    #auth-modal .auth-flow-btn,
    .is-storefront .atelier-auth .auth-flow-btn {
        width: auto;
        text-align: left;
        padding: 10px 0 12px;
    }

    #auth-modal .auth-flow-pane input,
    .atelier-auth input {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        font-size: 16px;
    }

    #auth-modal .auth-submit,
    .atelier-auth .auth-submit {
        width: 100%;
        text-align: center;
    }

    .is-storefront {
        overflow-x: clip;
    }

    .is-storefront img,
    .is-storefront svg,
    .is-storefront video {
        max-width: 100%;
    }

    .is-storefront .container {
        padding-left: max(14px, env(safe-area-inset-left, 0px));
        padding-right: max(14px, env(safe-area-inset-right, 0px));
        width: 100%;
        max-width: 100%;
    }

    body.is-auth-page .page {
        padding: 16px 10px 40px;
        overflow-x: hidden;
    }

    .is-storefront .page {
        padding-top: 16px;
        padding-bottom: 36px;
        overflow-x: hidden;
    }

    .is-storefront .auth-sheet.atelier-auth {
        padding: 0;
        max-width: 100%;
    }

    .is-storefront .atelier-auth.auth-sheet {
        margin: 0;
        width: 100%;
    }

    .is-storefront .masthead {
        padding: 32px 0 28px;
    }

    .is-storefront .masthead > .container {
        padding-left: max(14px, env(safe-area-inset-left, 0px));
        padding-right: max(14px, env(safe-area-inset-right, 0px));
    }

    .is-storefront .masthead-kicker,
    .is-storefront .masthead-kicker.crumbs {
        display: block;
        max-width: 100%;
        white-space: normal;
        overflow-wrap: break-word;
        line-height: 1.55;
        margin-bottom: 14px;
    }

    .is-storefront .masthead-title,
    .is-storefront .masthead h1,
    .is-storefront .teacher-hero-copy h1 {
        font-size: clamp(1.75rem, 8.4vw, 2.35rem);
        max-width: none;
        line-height: 1.12;
        overflow-wrap: break-word;
    }

    .is-storefront .masthead-lead {
        font-size: 15px;
        max-width: none;
        margin-bottom: 20px;
        overflow-wrap: break-word;
    }

    .is-storefront .masthead-actions {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        width: 100%;
    }

    .is-storefront .masthead-actions .btn {
        width: 100%;
        text-align: center;
        white-space: normal;
    }

    .is-storefront .section-head h1,
    .is-storefront .section-head h2 {
        overflow-wrap: break-word;
    }

    .is-storefront .catalog,
    .is-storefront .atelier-notes,
    .is-storefront .subject-detail-picks,
    .is-storefront .subject-detail-tracks,
    .is-storefront .teacher-list--cards,
    .is-storefront .teacher-detail-main-grid,
    .is-storefront .card-grid,
    .is-storefront .home-subject-grid,
    .is-storefront .category-grid {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
        width: 100%;
    }

    .is-storefront .catalog-item {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        min-height: 0;
        width: 100%;
        padding: 16px 14px 14px;
    }

    .is-storefront .catalog-copy {
        display: block;
        width: 100%;
        min-width: 0;
        margin-top: 0;
    }

    .is-storefront .catalog-name {
        font-size: 22px;
        overflow-wrap: break-word;
    }

    .is-storefront .catalog-note {
        max-width: none;
        overflow-wrap: break-word;
    }

    .is-storefront .catalog-go {
        margin-top: 12px;
    }

    .is-storefront .atelier-note {
        padding: 16px 0;
        min-width: 0;
    }

    .is-storefront .atelier-note h3 {
        font-size: 24px;
        overflow-wrap: break-word;
    }

    .is-storefront .atelier-faq summary {
        font-size: 16px;
        overflow-wrap: break-word;
    }

    .is-storefront .atelier-faq details p {
        overflow-wrap: break-word;
    }

    .is-storefront .subject-detail-pick {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        min-height: 0;
        width: 100%;
        padding: 16px 14px 14px;
        gap: 8px;
    }

    .is-storefront .subject-detail-pick__body {
        display: block;
        width: 100%;
        min-width: 0;
    }

    .is-storefront .subject-detail-pick__name {
        font-size: 26px;
        overflow-wrap: break-word;
    }

    .is-storefront .subject-detail-pick__meta,
    .is-storefront .subject-detail-pick__cta {
        white-space: normal;
        overflow-wrap: break-word;
    }

    .is-storefront .subject-track {
        padding: 16px 14px 18px;
        min-width: 0;
    }

    .is-storefront .subject-track__title,
    .is-storefront .subject-track__text {
        overflow-wrap: break-word;
    }

    .is-storefront .teacher-list-filter,
    .is-storefront .teacher-list-filter label {
        display: block;
        width: 100%;
        max-width: 100%;
    }

    .is-storefront .teacher-list-filter input {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        font-size: 16px;
    }

    .is-storefront .teacher-card {
        display: flex;
        flex-direction: column;
        width: 100%;
        max-width: 100%;
    }

    .is-storefront .teacher-card-media {
        width: 100%;
        max-height: 280px;
        min-width: 0;
    }

    .is-storefront .teacher-card-photo {
        width: 100%;
        height: 100%;
        max-height: 280px;
        object-fit: cover;
    }

    .is-storefront .teacher-card-placeholder {
        min-height: 160px;
        font-size: 56px;
    }

    .is-storefront .teacher-card-body {
        min-width: 0;
        width: 100%;
    }

    .is-storefront .teacher-card-name,
    .is-storefront .teacher-card-bio {
        overflow-wrap: break-word;
    }

    .is-storefront .teacher-card-actions {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        width: 100%;
    }

    .is-storefront .teacher-card-actions .btn {
        width: 100%;
        text-align: center;
        white-space: normal;
    }

    .is-storefront .masthead .teacher-hero {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 18px;
        text-align: left;
        width: 100%;
    }

    .is-storefront .masthead .teacher-hero .teacher-photo,
    .is-storefront .masthead .teacher-hero .teacher-photo-placeholder {
        width: 120px;
        height: 150px;
        min-width: 0;
        min-height: 0;
        max-width: 100%;
        margin: 0;
        object-fit: cover;
        flex-shrink: 0;
        font-size: 48px;
    }

    .is-storefront .teacher-hero-copy .pill-row {
        display: flex;
        flex-wrap: wrap;
        gap: 14px 28px;
        width: 100%;
        margin: 16px 0 22px;
    }

    .is-storefront .teacher-hero-copy .catalog-go {
        display: inline-block;
        max-width: 100%;
        margin-top: 0;
        overflow-wrap: break-word;
        white-space: normal;
    }

    .is-storefront .teacher-book-card,
    .is-storefront .teacher-upcoming-card,
    .is-storefront .page .teacher-chat-card {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        padding-left: 0;
        padding-right: 0;
    }

    .is-storefront #slots-list.slot-grid,
    .is-storefront #slots-list {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        width: 100%;
        max-width: 100%;
        max-height: min(52vh, 420px);
        overflow: auto;
        -webkit-overflow-scrolling: touch;
        background: transparent;
        border: 0;
        margin: 12px 0 8px;
    }

    .is-storefront .slot-day-label {
        grid-column: 1 / -1;
        margin: 8px 0 0;
        min-width: 0;
    }

    .is-storefront .slot-day-label:first-child {
        margin-top: 0;
    }

    .is-storefront .slot-chip,
    .is-storefront .slot-grid .slot-chip {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        min-width: 0;
        margin: 0;
        padding: 10px 8px;
        font-size: 13px;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .is-storefront .teacher-book-card input,
    .is-storefront .teacher-book-card select,
    .is-storefront .teacher-book-card textarea,
    .is-storefront .teacher-book-card input[type="datetime-local"],
    .is-storefront .teacher-book-card input[type="date"],
    .is-storefront #teacher-review-form input,
    .is-storefront #teacher-review-form textarea,
    .is-storefront #teacher-review-form select {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        font-size: 16px;
    }

    .is-storefront .teacher-book-card .btn,
    .is-storefront .teacher-book-card .pill-row .btn,
    .is-storefront #book-form .btn {
        width: 100%;
        text-align: center;
        white-space: normal;
    }

    .is-storefront .teacher-book-card .pill-row {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        width: 100%;
    }

    .is-storefront .checkbox-row {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        max-width: 100%;
        white-space: normal;
        overflow-wrap: break-word;
    }

    .is-storefront .page .teacher-chat-form {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        min-width: 0;
    }

    .is-storefront .page .teacher-chat-form textarea,
    .is-storefront .page #teacher-chat-input {
        flex: 1 1 100%;
        width: 100%;
        min-width: 0;
        font-size: 16px;
    }

    .is-storefront .page .teacher-chat-send {
        width: 100%;
        text-align: center;
    }
    .is-storefront .teacher-detail-main-grid .teacher-chat-form {
        flex-wrap: nowrap;
        align-items: flex-end;
    }
    .is-storefront .teacher-detail-main-grid .teacher-chat-form textarea,
    .is-storefront .teacher-detail-main-grid #teacher-chat-input {
        flex: 1 1 auto;
        width: auto;
    }
    .is-storefront .teacher-detail-main-grid .teacher-chat-send {
        position: absolute;
        right: 6px;
        top: 16px;
        bottom: 4px;
        margin-top: auto;
        margin-bottom: auto;
        transform: none;
        width: 36px;
        height: 36px;
        border-radius: 50%;
    }

    .is-storefront .page .teacher-chat-message {
        max-width: 100%;
        min-width: 0;
    }

    .is-storefront .tripi-student-cal {
        padding: 20px 0 0;
        min-width: 0;
    }

    .is-storefront .stu-cal-toolbar {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        width: 100%;
    }

    .is-storefront .stu-cal-title,
    .is-storefront #stu-cal-title {
        flex: 1 1 100%;
        min-width: 0;
        font-weight: 600;
        text-align: center;
        overflow-wrap: break-word;
    }

    .is-storefront .stu-cal-toolbar .btn,
    .is-storefront .stu-cal-toolbar label {
        flex: 1 1 calc(50% - 8px);
        min-width: 0;
    }

    .is-storefront .stu-cal-toolbar label {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .is-storefront .stu-cal-toolbar select,
    .is-storefront .stu-cal-toolbar input[type="date"] {
        width: 100%;
        min-width: 0;
        max-width: 100%;
        font-size: 16px;
    }

    .is-storefront .tripi-student-cal .sch-week {
        display: flex;
        flex-direction: column;
        grid-template-columns: none;
        overflow: visible;
        gap: 8px;
        width: 100%;
    }

    .is-storefront .tripi-student-cal .sch-daycard {
        width: 100%;
        min-width: 0;
        min-height: 0;
    }

    .is-storefront .tripi-student-cal-grid.is-month,
    .is-storefront .tripi-student-cal-grid {
        grid-template-columns: repeat(7, minmax(0, 1fr));
        gap: 3px;
        width: 100%;
    }

    .is-storefront .tripi-student-cal-grid.is-week {
        display: block;
    }

    .is-storefront .tripi-student-cal-cell,
    .is-storefront .tripi-student-cal-dow {
        min-width: 0;
        min-height: 40px;
        padding: 4px 2px;
        font-size: 11px;
        overflow: hidden;
    }

    .is-storefront .sch-month-chip {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .is-storefront .review-stars {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        width: 100%;
    }

    .is-storefront .review-star {
        font-size: 22px;
        padding: 2px 4px;
    }

    .is-storefront .review-head {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 6px 12px;
        min-width: 0;
    }

    .is-storefront .review-item,
    .is-storefront .review-item p {
        overflow-wrap: break-word;
        min-width: 0;
    }

    .is-storefront .legal-doc h1,
    .is-storefront .legal-text,
    .is-storefront .legal-text p {
        max-width: 100%;
        overflow-wrap: break-word;
    }

    .is-storefront h1,
    .is-storefront h2,
    .is-storefront h3,
    .is-storefront p,
    .is-storefront li {
        overflow-wrap: break-word;
    }
}

/* ---------- 320–430 phones: tighter stack, no sideways shrink ---------- */
@media (max-width: 430px) {
    .site-header .nav {
        flex-wrap: wrap;
        gap: 8px;
    }

    .site-header .top-nav {
        width: 100%;
        justify-content: flex-end;
        flex: 1 1 100%;
    }

    .is-storefront .masthead {
        padding: 26px 0 22px;
    }

    body.is-home .masthead {
        padding: 36px 0 28px;
    }

    .is-storefront .masthead-title,
    .is-storefront .masthead h1,
    .is-storefront .teacher-hero-copy h1 {
        font-size: clamp(1.55rem, 8vw, 2rem);
    }

    .is-storefront .catalog-name {
        font-size: 20px;
    }

    .is-storefront .subject-detail-pick__name {
        font-size: 24px;
    }

    .is-storefront .masthead .teacher-hero .teacher-photo,
    .is-storefront .masthead .teacher-hero .teacher-photo-placeholder {
        width: 104px;
        height: 130px;
        font-size: 42px;
    }

    .is-storefront #slots-list.slot-grid,
    .is-storefront #slots-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
    }

    .is-storefront .slot-chip,
    .is-storefront .slot-grid .slot-chip {
        padding: 9px 6px;
        font-size: 12px;
    }

    .is-storefront .teacher-card-media,
    .is-storefront .teacher-card-photo {
        max-height: 220px;
    }

    .is-storefront .card {
        padding: 14px 12px 16px;
    }

    .is-storefront .atelier-auth.auth-sheet {
        padding: 0;
    }

    #auth-modal .auth-modal-card.auth-sheet {
        width: 100%;
        padding: 0;
    }
}