@media (max-width: 1120px) {
    .main-nav { gap: 2px; }
    .main-nav a { padding-inline: 8px; font-size: 13px; }
    .user-chip span, .user-chip i { display: none; }
    .user-chip { min-width: auto; }
    .games-grid { grid-template-columns: repeat(2,1fr); }
    .levels-hero { grid-template-columns: 220px 1fr; }
    .levels-hero .hero-features { grid-column: 1 / -1; grid-template-columns: repeat(3,1fr); }
    .level-cards { grid-template-columns: repeat(2,1fr); }
    .avatar-grid { grid-template-columns: repeat(6,minmax(0,1fr)); }
}
@media (max-width: 860px) {
    .site-header { height: 72px; }
    .header-inner { width: min(calc(100% - 28px),var(--content)); }
    .brand { font-size: 20px; }
    .brand img { width: 42px; height: 42px; }
    .menu-toggle { display: block; order: 4; }
    .main-nav { position: fixed; top: 72px; right: 14px; left: 14px; display: none; height: auto; padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow-float); }
    .main-nav.is-open { display: grid; }
    .main-nav a { min-height: 48px; border-radius: 12px; }
    .main-nav a::after { display: none; }
    .main-nav a.is-active { background: var(--primary-50); }
    .header-user { margin-right: auto; }
    .home-hero { grid-template-columns: 1fr; text-align: center; }
    .home-hero p { margin-inline: auto; }
    .home-hero .button-row { justify-content: center; }
    .home-hero-art { height: 220px; order: -1; }
    .dashboard-grid, .levels-layout, .results-grid, .profile-grid { grid-template-columns: 1fr; }
    .levels-hero { grid-template-columns: 180px 1fr; padding: 24px; }
    .level-group-heading { align-items: flex-start; }
    .game-topbar { grid-template-columns: auto 1fr auto; }
    .game-topbar .progress-cluster { grid-column: 1 / -1; grid-row: 2; }
    .game-stage { grid-template-columns: 1fr; }
    .play-stats { grid-template-columns: repeat(3,1fr); order: -1; }
    .score-orb { width: 90px; height: 90px; border-width: 8px; }
    .results-hero { grid-template-columns: 1fr 260px; padding: 24px; }
    .about-grid { grid-template-columns: 1fr; }
    .parent-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .page-shell { width: min(calc(100% - 24px),var(--content)); }
    .page-main { padding-top: 14px; }
    .brand span { display: none; }
    .notification-button { width: 40px; height: 40px; }
    .header-login { min-height: 38px; padding: 6px 11px; font-size: 12px; }
    .user-chip img { width: 42px; height: 42px; }
    .home-hero { min-height: auto; padding: 24px 18px; border-radius: 18px; }
    .home-hero h1 { font-size: 32px; }
    .home-hero p { font-size: 15px; }
    .home-hero-art { height: 170px; }
    .home-hero-art img { max-height: 175px; }
    .games-grid, .stat-grid, .recommend-grid, .level-cards, .results-summary, .results-metrics, .results-actions { grid-template-columns: 1fr; }
    .game-card { grid-template-columns: 1fr 96px; min-height: 170px; padding: 18px; }
    .game-card img { width: 96px; height: 96px; }
    .section-heading { display: block; }
    .quick-progress { align-items: flex-start; }
    .daily-challenge { grid-template-columns: minmax(0,1fr) 92px; padding: 20px; }
    .daily-challenge img { width: 92px; max-height: 120px; }
    .dashboard-panel { padding: 18px; }
    .levels-hero { grid-template-columns: 1fr; text-align: center; }
    .levels-hero > img { width: 180px; height: 130px; margin-inline: auto; }
    .levels-hero .hero-features { grid-template-columns: 1fr; }
    .level-group, .summary-card { padding: 18px; }
    .level-group-heading { display: grid; gap: 13px; }
    .level-group-tools { width: 100%; justify-content: space-between; }
    .level-carousel.level-cards { grid-auto-columns: min(78vw,270px); margin-inline: -4px; }
    .level-carousel-shell::before, .level-carousel-shell::after { width: 22px; }
    .level-carousel-footer { grid-template-columns: 1fr auto; }
    .level-carousel-footer small { grid-column: 1 / -1; }
    .game-topbar { position: sticky; top: 0; z-index: 40; grid-template-columns: 42px minmax(0,1fr) 42px; min-height: 68px; padding: 9px 12px 10px; gap: 8px 10px; box-shadow: 0 5px 18px rgba(22,50,79,.06); }
    .game-exit, .game-tools-toggle { width: 42px; height: 42px; border-radius: 12px; }
    .game-exit { grid-column: 1; grid-row: 1; }
    .game-title { grid-column: 2; grid-row: 1; min-width: 0; font-size: 12px; line-height: 1.35; }
    .game-mobile-tools { display: block; grid-column: 3; grid-row: 1; justify-self: end; z-index: 2; }
    .desktop-game-sound, .desktop-play-stats { display: none; }
    .game-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .game-topbar .progress-cluster { grid-column: 1 / -1; grid-row: 2; width: 100%; }
    .progress-label { gap: 16px; margin-bottom: 6px; font-size: 11px; }
    .progress-label span { white-space: nowrap; }
    .game-tools-menu { max-height: calc(100dvh - 88px); overflow-y: auto; overscroll-behavior: contain; }
    .game-tools-toggle:focus-visible, .game-tools-menu button:focus-visible { outline: 3px solid rgba(47,125,244,.22); outline-offset: 2px; }
    .game-stage { gap: 10px; width: min(calc(100% - 16px),1300px); margin: 10px auto 22px; }
    .play-stats { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
    .play-stats .surface-card, .play-stats .surface-card:first-child { grid-column: auto; display: grid; place-items: center; align-content: center; min-width: 0; min-height: 78px; padding: 9px 5px; border-radius: 15px; text-align: center; }
    .play-stats h3, .play-stats .muted { margin: 0; font-size: 10px; line-height: 1.35; }
    .play-stats h2 { margin: 4px 0 0; font-size: 19px; white-space: nowrap; }
    .score-orb { display: block; width: auto; height: auto; margin: 3px 0 0; border: 0; border-radius: 0; }
    .score-orb span { font-size: 0; }
    .score-orb strong { font-size: 21px; }
    .question-panel { min-height: 0; padding: 16px 15px 18px; border-radius: 18px; }
    .question-kicker { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 7px; font-size: 11px; }
    .question-kicker .selection-guide { text-align: center; }
    .question-panel h1 { margin: 13px 0 5px; font-size: clamp(21px,6vw,26px); line-height: 1.45; }
    .question-panel p { font-size: 14px; line-height: 1.65; }
    .play-board { grid-template-columns: 1fr; gap: 7px; margin-top: 10px; padding: 8px; border-radius: 18px; }
    .zone { min-height: 0; padding: 12px; border-radius: 14px; }
    .zone-heading { gap: 8px; }
    .zone-heading > div { min-width: 0; }
    .zone-heading strong { font-size: 16px; }
    .zone-heading small { font-size: 10px; }
    .zone-status { flex: 0 0 auto; }
    .zone-index { width: 32px; height: 32px; }
    .tile-list { min-height: 0; gap: 8px; padding-top: 11px; }
    .source-zone .tile-list { min-height: 104px; }
    .answer-zone .tile-list { min-height: 112px; }
    .answer-placeholder { min-height: 102px; padding: 16px 8px; }
    .answer-placeholder strong { font-size: 16px; }
    .order-tile { min-height: 46px; padding: 8px 10px; border-radius: 11px; font-size: 15px; }
    .flow-indicator { height: 28px; transform: rotate(-90deg); }
    .game-actions { grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
    .hint-button, .reset-button, .check-button { min-height: 48px; padding: 9px 10px; border-radius: 12px; font-size: 14px; }
    .check-button { grid-column: 1 / -1; }
    .question-report-link { grid-column: 1 / -1; }
    .feedback-backdrop { position: fixed; inset: 0; z-index: 119; display: block; background: rgba(11,29,54,.42); backdrop-filter: blur(3px); }
    .feedback-panel { position: fixed; right: 12px; bottom: max(12px,env(safe-area-inset-bottom)); left: 12px; z-index: 120; grid-template-columns: auto minmax(0,1fr); gap: 12px; max-height: min(72dvh,560px); margin: 0; padding: 18px; overflow: hidden; border-radius: 22px; box-shadow: 0 24px 70px rgba(8,30,61,.3); animation: mobile-feedback-in .24s cubic-bezier(.2,.8,.2,1); }
    .feedback-panel > div:nth-child(2) { max-height: 44dvh; overflow-y: auto; overscroll-behavior: contain; }
    .feedback-panel h2 { margin: 0 0 5px; padding-left: 34px; font-size: 19px; }
    .feedback-panel p { margin: 4px 0; line-height: 1.6; }
    .feedback-panel .feedback-close { position: absolute; top: 12px; left: 12px; width: 36px; height: 36px; border-radius: 10px; }
    .feedback-panel .primary-button { position: relative; grid-column: 1 / -1; width: 100%; min-height: 52px; }
    @keyframes mobile-feedback-in { from { opacity: 0; transform: translateY(28px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
    .results-hero { grid-template-columns: 1fr; text-align: center; }
    .results-hero img { width: 220px; height: 140px; order: -1; }
    .results-summary > div { border-left: 0; border-bottom: 1px dashed var(--line); }
    .results-summary > div:last-child { border-bottom: 0; }
    .leader-row { grid-template-columns: 42px 1fr auto; gap: 9px; padding: 13px; }
    .leader-row > span:last-child { display: none; }
    .site-footer { grid-template-columns: 1fr; gap: 20px; padding: 28px 20px; text-align: center; }
    .site-footer nav { justify-content: center; flex-wrap: wrap; gap: 12px 18px; }
    .site-footer small { text-align: center; }
    .avatar-picker { padding: 12px; }
    .avatar-grid { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 8px; }
    .auth-shell { width: min(calc(100% - 20px),560px); margin-top: 6px; }
    .auth-card { padding: 22px 17px; border-radius: 18px; }
}
@media (min-width: 641px) and (max-width: 820px) {
    .game-topbar { grid-template-columns: 42px minmax(0,1fr) 42px; }
    .game-exit { grid-column: 1; grid-row: 1; }
    .game-title { grid-column: 2; grid-row: 1; min-width: 0; }
    .game-mobile-tools { display: block; grid-column: 3; grid-row: 1; justify-self: end; z-index: 2; }
    .desktop-game-sound, .desktop-play-stats { display: none; }
    .game-topbar .progress-cluster { grid-column: 1 / -1; grid-row: 2; width: 100%; }
    .game-tools-menu { max-height: calc(100dvh - 104px); overflow-y: auto; overscroll-behavior: contain; }
}
@media (max-width: 380px) {
    .game-stage { width: calc(100% - 12px); }
    .play-stats { gap: 6px; }
    .play-stats .surface-card, .play-stats .surface-card:first-child { min-height: 72px; padding-inline: 3px; }
    .play-stats h3, .play-stats .muted { font-size: 9px; }
    .play-stats h2, .score-orb strong { font-size: 18px; }
    .question-kicker { grid-template-columns: 1fr 1fr; }
    .question-kicker .timer { grid-column: 1 / -1; grid-row: 2; justify-self: start; }
    .order-tile { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media (max-width: 860px) {
    .account-settings-grid, .parent-children-grid { grid-template-columns: 1fr; }
    .compact-avatar-grid { grid-template-columns: repeat(6,minmax(0,1fr)); }
    .profile-hero-card { grid-template-columns: 1fr; }
    .profile-stat-strip { min-width: 0; }
    .profile-content-grid { grid-template-columns: 1fr; }
    .profile-side-stack { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .account-hero-card { grid-template-columns: minmax(0,1fr) 180px; }
    .account-security-badge { min-height: 145px; border-radius: 27px; }
    .account-privacy-card { grid-column: auto; }
    .account-toggle-list { grid-template-columns: 1fr; }
    .account-data-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .session-list article { grid-template-columns: 1fr; gap: 5px; }
    .compact-avatar-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
    .child-management-card { padding: 17px; }
    .child-management-card > header { align-items: flex-start; }
    .child-actions { display: grid; grid-template-columns: 1fr; }
    .child-actions button { width: 100%; }
    .profile-page-shell, .account-page-shell { width: min(calc(100% - 18px),var(--content)); }
    .profile-hero-card { gap: 22px; padding: 22px 17px; border-radius: 22px; }
    .profile-hero-identity { align-items: flex-start; gap: 14px; }
    .profile-avatar-frame { width: 92px; height: 92px; flex-basis: 92px; padding: 5px; border-radius: 26px; }
    .profile-avatar-frame img { border-radius: 21px; }
    .profile-avatar-frame::after { right: 3px; bottom: 3px; width: 19px; height: 19px; }
    .profile-hero-identity h1 { font-size: 1.75rem; }
    .profile-stat-strip { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 7px; }
    .profile-stat-strip > div { grid-template-columns: 1fr; place-items: center; min-height: 96px; padding: 10px 5px; text-align: center; }
    .profile-stat-strip > div > span { grid-row: auto; width: 31px; height: 31px; font-size: 15px; }
    .profile-stat-strip small { font-size: 9px; }
    .profile-stat-strip strong { font-size: 1.05rem; }
    .profile-editor-card, .profile-achievements-card, .profile-account-card { padding: 19px 15px; border-radius: 21px; }
    .profile-section-heading { align-items: flex-start; gap: 11px; }
    .profile-section-icon { width: 46px; height: 46px; flex-basis: 46px; border-radius: 14px; }
    .profile-section-heading h2, .profile-achievements-card h2 { font-size: 1.25rem; }
    .profile-editor-form .form-columns { grid-template-columns: 1fr; }
    .avatar-browser summary { padding: 12px; }
    .avatar-current-choice img { width: 50px; height: 50px; flex-basis: 50px; }
    .avatar-current-choice small { font-size: 10px; }
    .avatar-browser-body { max-height: 390px; padding: 12px 8px; }
    .profile-avatar-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
    .profile-form-actions { align-items: stretch; flex-direction: column; }
    .profile-form-actions .primary-button { width: 100%; }
    .profile-side-stack { grid-template-columns: 1fr; }
    .profile-managed-state { grid-template-columns: auto 1fr; }
    .profile-managed-state form { grid-column: 1 / -1; }
    .profile-managed-state button { width: 100%; }
    .account-hero-card { grid-template-columns: 1fr; min-height: 0; padding: 24px 19px; border-radius: 22px; }
    .account-security-badge { grid-template-columns: auto 1fr; justify-items: start; min-height: 0; padding: 15px; border-radius: 19px; text-align: right; }
    .account-security-badge > span { grid-row: 1 / 3; width: 48px; height: 48px; margin: 0 0 0 10px; border-radius: 15px; }
    .account-security-badge small { margin: 0; }
    .account-anchor-nav { top: 68px; justify-content: flex-start; overflow-x: auto; border-radius: 15px; scrollbar-width: none; }
    .account-anchor-nav::-webkit-scrollbar { display: none; }
    .account-anchor-nav a { flex: 0 0 auto; }
    .account-setting-card, .account-sessions-card, .account-data-card { padding: 20px 16px; border-radius: 21px; }
    .account-setting-card h2, .account-data-card h2 { font-size: 1.2rem; }
    .account-card-icon { width: 44px; height: 44px; flex-basis: 44px; }
    .account-current-value { grid-template-columns: 1fr; }
    .account-current-value > span { justify-self: start; }
    .account-compact-card { min-height: 0; }
    .account-sessions-card > header { align-items: flex-start; flex-direction: column; }
    .account-sessions-card > header form, .account-sessions-card > header button { width: 100%; }
    .account-session-list article { grid-template-columns: auto 1fr; gap: 9px; }
    .account-session-list article .status-pill, .account-session-list article code { grid-column: 2; justify-self: start; }
}

@media (max-width: 820px){.support-layout{grid-template-columns:1fr}.ticket-header-card,.ticket-row{align-items:flex-start}.ticket-row{display:grid}.ticket-row>div:last-child{justify-items:start}.ticket-message{max-width:96%}.game-topbar .question-report-button{display:none}.game-actions{grid-template-columns:auto auto minmax(200px,1fr)}.question-report-link{order:4;grid-column:1/-1;width:100%}}
@media (max-width: 520px){.support-page,.ticket-page{width:min(100% - 20px,1180px);padding-top:24px}.support-form-card,.support-history,.ticket-reply-card,.ticket-header-card{padding:20px}.report-dialog{padding:20px;border-radius:22px}}

@media (max-width: 1040px){
    .support-hero-panel{grid-template-columns:minmax(0,1fr) 160px}
    .support-hero-badge{width:150px;height:150px;border-radius:42px}
    .support-hero-badge img{width:118px;height:118px}
    .support-workspace{grid-template-columns:minmax(0,1fr) 290px}
    .parent-dashboard-hero{grid-template-columns:minmax(0,1fr) 220px}
    .parent-overview-grid{grid-template-columns:1fr}
    .parent-profile-card,.add-child-card{scroll-margin-top:145px}
    .child-stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 820px){
    .support-page-shell{width:min(100% - 24px,1240px);padding-top:20px}
    .support-hero-panel{grid-template-columns:1fr;min-height:0;padding:30px;border-radius:25px}
    .support-hero-badge{display:none}
    .support-hero-copy h1{font-size:clamp(1.85rem,7vw,2.35rem)}
    .support-workspace{grid-template-columns:1fr}
    .support-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
    .support-submit-row{align-items:flex-start;flex-direction:column}
    .support-submit-row .primary-button{width:100%}
    .parent-page{padding-top:20px}
    .parent-dashboard-hero{grid-template-columns:1fr;min-height:0;padding:30px;border-radius:25px}
    .parent-hero-art{display:none}
    .parent-hero-copy h1{font-size:clamp(1.85rem,7vw,2.35rem)}
    .family-activation-layout{grid-template-columns:1fr}
    .parent-anchor-nav{top:68px;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
    .parent-anchor-nav::-webkit-scrollbar{display:none}
    .parent-anchor-nav a{flex:0 0 auto}
    .parent-children-grid{grid-template-columns:1fr}
    .child-code-card{grid-template-columns:50px minmax(0,1fr)}
    .child-code-values{grid-column:1/-1;width:100%}
    .child-code-values>span{flex:1}
}
@media (max-width: 620px){
    .support-page{padding-bottom:48px}
    .support-page-shell{width:min(100% - 18px,1240px)}
    .support-hero-panel{padding:24px 20px;border-radius:22px}
    .support-hero-points{display:grid;grid-template-columns:1fr;width:100%}
    .support-hero-points span{width:100%}
    .support-form-card,.support-history{padding:20px 16px;border-radius:22px}
    .support-card-header{gap:12px;margin-bottom:22px;padding-bottom:20px}
    .support-card-icon{width:44px;height:44px;border-radius:14px}
    .support-card-header h2{font-size:1.55rem}
    .support-form-grid{grid-template-columns:1fr}
    .support-side{grid-template-columns:1fr}
    .support-side-card{padding:21px;border-radius:20px}
    .support-history-heading{align-items:flex-start}
    .ticket-row{display:grid;gap:12px}
    .ticket-row-meta{justify-content:flex-start}
    .ticket-row-meta i{margin-right:auto}
    .parent-shell{width:min(calc(100% - 18px),var(--content));gap:18px}
    .parent-dashboard-hero{padding:24px 20px;border-radius:22px}
    .parent-hero-stats{display:grid;grid-template-columns:1fr 1fr}
    .parent-hero-stats span:last-child{grid-column:1/-1}
    .parent-security-alert{align-items:flex-start;flex-direction:column;padding:18px}
    .parent-security-alert .secondary-button{width:100%}
    .parent-profile-card,.add-child-card,.family-start-card,.family-benefits-card{padding:20px 16px;border-radius:22px}
    .parent-card-header{grid-template-columns:64px minmax(0,1fr) auto;gap:11px}
    .parent-card-header>img{width:64px;height:64px;border-radius:19px}
    .parent-card-header h2{font-size:1.25rem}
    .form-columns{grid-template-columns:1fr}
    .child-code-card{padding:18px 16px}
    .child-code-values{display:grid;grid-template-columns:1fr}
    .child-card-header{grid-template-columns:70px minmax(0,1fr);padding:18px 16px 15px}
    .child-card-header>img{width:70px;height:70px;border-radius:20px!important}
    .child-card-identity{grid-template-columns:1fr}
    .child-play-status{justify-self:start}
    .child-card-identity p{grid-column:1}
    .child-stat-grid{padding:14px 12px 10px}
    .child-time-window{margin-inline:12px}
    .child-settings-disclosure{margin-inline:12px}
    .child-settings-form{padding:14px}
    .child-actions{grid-template-columns:1fr;padding-inline:12px}
    .child-danger-details>summary{padding-inline:14px}
    .compact-avatar-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width: 390px){
    .parent-hero-stats{grid-template-columns:1fr}
    .parent-hero-stats span:last-child{grid-column:auto}
    .child-stat-grid{grid-template-columns:1fr 1fr}
    .child-time-window{align-items:flex-start;flex-direction:column;gap:4px}
}