.pwa-toolbar { display: none; }
.pwa-connection { padding: 10px 16px; text-align: center; background: #fff3cd; color: #624600; font: 14px/1.5 Arial, sans-serif; }
.pwa-connection[hidden], .pwa-toolbar [hidden] { display: none !important; }
@media (max-width: 1024px) {
    .student-pwa body { padding-left: env(safe-area-inset-left); padding-right: env(safe-area-inset-right); padding-bottom: env(safe-area-inset-bottom); }
    .student-pwa .site-header .wrap { display: flex; flex-wrap: wrap; gap: 12px; }
    .student-pwa .site-header nav { flex-wrap: wrap; gap: 10px; min-width: 0; }
    .student-pwa .site-header nav > a,
    .student-pwa .language-button,
    .student-pwa .panel-tabs a,
    .student-pwa .tabs a,
    .student-pwa .logout { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; box-sizing: border-box; }
    .student-pwa .panel-tabs, .student-pwa .tabs { display: flex; flex-wrap: wrap; gap: 8px; }
    .student-pwa input:not([type="radio"]):not([type="checkbox"]),
    .student-pwa select, .student-pwa textarea { font-size: 16px; max-width: 100%; box-sizing: border-box; }
    .student-pwa button { min-height: 44px; }
    .student-pwa .panel-wrap, .student-pwa .layout { min-width: 0; }
    .student-pwa .account-value, .student-pwa .overview-value,
    .student-pwa .class-note, .student-pwa .review-card .text { overflow-wrap: anywhere; }
    .student-pwa .pwa-toolbar { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: 10px; padding: 8px 16px; background: #faf7f2; font: 13px Arial,sans-serif; }
    .pwa-toolbar a, .pwa-toolbar button { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 12px; border: 1px solid #d8d0c5; border-radius: 9px; background: white; color: #142033; font: inherit; text-decoration: none; cursor: pointer; }
    .pwa-toolbar button { background: #142033; color: white; }
    .student-pwa .attachment { min-width: 0; }
    .student-pwa .messages { min-height: 220px; height: 52vh; height: 52dvh; }
    .student-pwa .attach-button { min-width: 44px; }
}
@media (max-width: 600px) {
    .student-pwa .site-header nav { width: 100%; justify-content: flex-start; }
    .student-pwa .site-header nav > a { padding: 6px 8px; }
    .student-pwa .panel-tabs a, .student-pwa .tabs a { flex: 1 1 calc(33.333% - 8px); padding: 8px; text-align: center; }
    .student-pwa .topbar { flex-wrap: wrap; height: auto; min-height: 64px; gap: 8px; padding-top: 10px; padding-bottom: 10px; }
    .student-pwa .compose-row { flex-wrap: wrap; }
    .student-pwa .message-input { flex: 1 1 150px; min-width: 0; }
    .student-pwa .send-button { max-width: 100%; }
    .student-pwa .message-wrap { min-width: 0; }
    .student-pwa .duration-option { min-width: 0; flex: 1 1 120px; }
}

/* Single student navigation and responsive header — 2026-09-10 */
.student-pwa .site-header nav > a[href^="/panel/"] { display: none !important; }
.student-pwa .site-header { height: auto; min-height: 0; position: relative; }
.student-pwa .site-header .wrap { height: auto; min-height: 72px; box-sizing: border-box; padding-top: 12px; padding-bottom: 12px; }
.student-pwa .site-header nav { width: auto; flex: 0 1 auto; margin-left: auto; }
.student-pwa .panel-tabs, .student-pwa .tabs { display: flex; flex-wrap: nowrap; overflow-x: auto; max-width: 100%; box-sizing: border-box; gap: 8px; -webkit-overflow-scrolling: touch; }
.student-pwa .panel-tabs a, .student-pwa .tabs a { flex: 0 0 auto; white-space: nowrap; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
@media (max-width: 1024px) {
 .student-pwa .panel-wrap { width: 100%; max-width: 1180px; box-sizing: border-box; padding: 24px 16px 40px; margin-left: auto; margin-right: auto; }
 .student-pwa .site-header .wrap { width: 100%; padding-left: 16px; padding-right: 16px; gap: 12px; align-items: center; }
 .student-pwa .site-header .brand { flex: 0 1 auto; white-space: nowrap; }
 .student-pwa .site-header nav { flex-wrap: nowrap; justify-content: flex-end; gap: 8px; }
 .student-pwa .site-header nav > a, .student-pwa .language-button { min-height: 44px; white-space: nowrap; }
 .student-pwa .panel-tabs { margin: 0 0 24px; padding: 0 0 4px; }
 .student-pwa .panel-tabs a, .student-pwa .tabs a { padding: 10px 12px; font-size: 14px; }
 .student-pwa .classes-header, .student-pwa .dashboard-welcome, .student-pwa .booking-top { flex-wrap: wrap; gap: 14px; }
 .student-pwa .classes-shell, .student-pwa .student-dashboard, .student-pwa .booking-shell, .student-pwa .reviews-shell, .student-pwa .account-shell { min-width: 0; max-width: 100%; }
}
@media (max-width: 430px) {
 .student-pwa .site-header .wrap { flex-direction: column; align-items: stretch; gap: 8px; }
 .student-pwa .site-header .brand { align-self: flex-start; }
 .student-pwa .site-header nav { align-self: flex-end; }
 .student-pwa .panel-wrap { padding-left: 12px; padding-right: 12px; }
}