@media (max-width: 640px) {
    html {
        -webkit-text-size-adjust: 100%;
        text-size-adjust: 100%;
    }

    body.auth-body {
        min-height: 100svh;
    }

    .auth-body .app-shell {
        max-width: none;
        min-height: 100svh;
        border-left: 0;
        border-right: 0;
        box-shadow: none;
    }

    .auth-body .app-header {
        padding: 18px 18px 0;
        font-size: 9px;
        letter-spacing: 0.08em;
    }

    .auth-body .app-contents {
        padding: 38px 18px 24px;
    }

    .auth-body .app-footer {
        padding: 22px 18px calc(22px + env(safe-area-inset-bottom));
    }

    .auth-body h1 {
        font-size: clamp(24px, 7vw, 30px) !important;
        line-height: 1.12;
        letter-spacing: 0 !important;
    }

    .auth-body p,
    .auth-body label {
        line-height: 1.45;
    }

    .auth-body .screen > header {
        margin-bottom: 30px !important;
    }

    .auth-body .gs-input {
        min-height: 50px;
        border-radius: 14px !important;
        padding: 13px 14px !important;
        font-size: 16px !important;
    }

    .auth-body button {
        min-height: 52px;
        border-radius: 14px !important;
        padding-top: 14px !important;
        padding-bottom: 14px !important;
        font-size: 14px;
        line-height: 1.2;
    }

    #verify-screen .w-24.h-24 {
        width: 72px !important;
        height: 72px !important;
        border-radius: 24px !important;
    }

    #verifyCode {
        height: 58px !important;
        font-size: 18px !important;
    }

    body.manifesto-body {
        padding: 0;
        background: #efefef;
    }

    .phone-shell {
        max-width: none;
        height: 100svh;
        min-height: 100svh;
        border-radius: 0;
        box-shadow: none;
        padding: clamp(12px, 4vw, 20px);
    }

    .page-header {
        margin: 0 2px 14px;
        align-items: flex-start;
        gap: 10px;
    }

    .page-title {
        font-size: clamp(24px, 7vw, 30px);
        line-height: 1.12;
        letter-spacing: 0;
    }

    .page-subtitle {
        margin-top: 4px;
        font-size: clamp(13px, 3.8vw, 16px);
        line-height: 1.35;
        letter-spacing: 0;
    }

    .header-actions {
        gap: 6px;
    }

    .manual-link,
    .logout-button {
        min-width: 44px;
        min-height: 44px;
        padding: 0 10px;
        border-radius: 12px;
    }

    .manual-link span,
    .logout-button span {
        display: none;
    }

    .page-contents {
        gap: 12px;
        padding-bottom: calc(92px + env(safe-area-inset-bottom));
    }

    .tab-panel {
        gap: 12px;
    }

    .hero-card {
        min-height: clamp(260px, 72vw, 340px);
        border-radius: 22px;
    }

    .hero-inner {
        min-height: clamp(260px, 72vw, 340px);
        padding: 24px 16px;
    }

    .hero-label {
        margin-bottom: 8px;
        font-size: 10px;
        letter-spacing: 0.16em;
    }

    .hero-title {
        font-size: clamp(24px, 7.5vw, 32px);
        line-height: 1.2;
        letter-spacing: 0;
    }

    .hero-tags {
        gap: 6px;
        margin-top: 14px;
    }

    .hero-tag {
        padding: 6px 10px;
        font-size: 12px;
        line-height: 1.1;
    }

    .hero-action {
        margin-top: 12px;
        font-size: 14px;
        line-height: 1.5;
    }

    .camera-btn {
        width: 44px;
        height: 44px;
        right: 12px;
        bottom: 12px;
    }

    .content-card,
    .momentum-card,
    .planner-section-card,
    .mastermind-card {
        border-radius: 16px;
        padding: 14px;
    }

    .card-title,
    .planner-main-title,
    .momentum-main-title {
        font-size: clamp(18px, 5vw, 21px);
        line-height: 1.22;
        letter-spacing: 0;
    }

    .planner-section-title,
    .momentum-card-title,
    .mastermind-rule-modal-title {
        font-size: 15px;
        letter-spacing: 0;
    }

    .field-input,
    .field-textarea,
    .wheel-field,
    .planner-log-text,
    .planner-friction-input,
    .mm-group-search-input,
    .mm-group-sort-select {
        font-size: 16px;
        letter-spacing: 0;
    }

    .field-input,
    .field-textarea {
        border-radius: 14px;
        padding: 13px 14px;
    }

    .field-textarea {
        min-height: 104px;
    }

    .tip-text,
    .sub-label,
    .planner-subtitle,
    .momentum-subtitle,
    .wheel-desc,
    .mastermind-rule-modal-message,
    .mastermind-eligibility-message,
    .mastermind-retention-notice {
        font-size: 12px;
        line-height: 1.45;
        letter-spacing: 0;
    }

    .value-head,
    .wheel-header,
    .planner-hero,
    .momentum-head,
    .momentum-card-head,
    .planner-section-head {
        gap: 8px;
    }

    .value-chip,
    .wheel-chip {
        min-height: 34px;
        padding: 8px 10px;
        font-size: 12px;
        letter-spacing: 0;
    }

    .add-row {
        grid-template-columns: 1fr 46px;
    }

    .plus-btn,
    .wheel-add-btn {
        font-size: 22px;
    }

    .save-btn,
    .wheel-save-btn,
    .mastermind-create-button {
        min-height: 52px;
        height: auto;
        border-radius: 14px;
        font-size: 15px;
        letter-spacing: 0;
        padding: 14px 16px;
    }

    .wheel-header {
        flex-wrap: wrap;
    }

    .wheel-header-right {
        align-items: flex-start;
        width: 100%;
    }

    .wheel-date-picker,
    .planner-date-picker,
    .momentum-month-picker {
        width: 100%;
        min-width: 0;
        font-size: 13px;
    }

    .wheel-circle {
        width: clamp(146px, 44vw, 178px);
        height: clamp(146px, 44vw, 178px);
    }

    .wheel-circle strong {
        font-size: clamp(36px, 11vw, 46px);
        letter-spacing: 0;
    }

    .wheel-circle span {
        font-size: 10px;
        letter-spacing: 0.14em;
    }

    .wheel-chip-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .planner-weekly-card {
        min-height: 142px;
        padding: 18px 16px;
        border-radius: 16px;
    }

    .planner-weekly-head {
        flex-direction: column;
        align-items: stretch;
    }

    .planner-weekly-save-btn {
        align-self: flex-start;
        padding: 8px 10px;
        font-size: 10px;
    }

    .planner-weekly-title-input {
        min-height: 54px;
        font-size: 17px;
        letter-spacing: 0;
    }

    .planner-weekly-note {
        position: static;
        margin-top: 8px;
        font-size: 10px;
    }

    .planner-title-wrap {
        gap: 8px;
    }

    .planner-log-list {
        gap: 10px;
    }

    .planner-log-item {
        min-height: 86px;
        border-radius: 14px;
        padding: 34px 12px 14px 34px;
    }

    .planner-log-item::before {
        left: 14px;
        top: 20px;
    }

    .planner-log-actions {
        gap: 6px;
    }

    .planner-item-edit,
    .planner-item-delete {
        padding: 6px 8px;
        font-size: 10px;
    }

    .planner-friction-item {
        align-items: flex-start;
        gap: 10px;
        padding: 12px;
        border-radius: 14px;
        flex-wrap: wrap;
    }

    .planner-friction-item .planner-badge,
    .planner-friction-item .planner-item-delete {
        position: static;
        margin-left: auto;
    }

    .planner-friction-input {
        flex: 1 1 calc(100% - 38px);
    }

    .planner-save-btn {
        min-height: 76px;
        border-radius: 16px;
        padding: 16px;
    }

    .planner-bolt-box {
        width: 40px;
        height: 40px;
        margin-right: 12px;
        border-radius: 12px;
        font-size: 20px;
    }

    .planner-timer-title {
        font-size: 15px;
        letter-spacing: 0;
    }

    .planner-next-box {
        width: 34px;
        height: 34px;
        border-radius: 10px;
        font-size: 22px;
    }

    .planner-chart-container,
    .planner-chart-container canvas {
        height: 150px;
    }

    .momentum-be-card {
        min-height: 124px;
        border-radius: 16px;
        padding: 16px;
    }

    .momentum-be-card .be-title {
        max-width: none;
        font-size: 17px;
        letter-spacing: 0;
    }

    .score {
        font-size: 22px;
        letter-spacing: 0;
    }

    .habit-grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 7px;
    }

    .day {
        height: 38px;
        border-radius: 10px;
    }

    .mastermind-metric-row {
        gap: 8px;
    }

    .mastermind-metric-box {
        padding: 10px;
        border-radius: 12px;
    }

    .mastermind-metric-value {
        font-size: 16px;
        letter-spacing: 0;
    }

    .bottom-nav {
        left: 0;
        right: 0;
        bottom: 0;
        height: calc(72px + env(safe-area-inset-bottom));
        border-radius: 18px 18px 0 0;
        border-left: 0;
        border-right: 0;
        border-bottom: 0;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        padding: 4px 4px env(safe-area-inset-bottom);
    }

    .nav-item {
        gap: 3px;
        font-size: 9px;
        line-height: 1.15;
        letter-spacing: 0;
        text-transform: none;
    }

    .nav-item svg {
        width: 18px;
        height: 18px;
    }

    .main-shell {
        min-height: 100svh;
        padding-left: 14px !important;
        padding-right: 14px !important;
    }

    .main-header {
        padding-top: 22px !important;
        padding-bottom: 18px !important;
    }

    .main-body h1 {
        font-size: 22px !important;
        line-height: 1.2;
    }

    .main-contents section {
        border-radius: 18px !important;
        padding: 18px !important;
    }

    .main-footer {
        padding-top: 18px !important;
        padding-bottom: calc(18px + env(safe-area-inset-bottom)) !important;
    }

    body.mm-flow-body,
    body.mm-leader-body {
        padding: 0;
    }

    .mm-page-wrap,
    .mm-leader-page-wrap {
        max-width: none;
        padding-bottom: calc(74px + env(safe-area-inset-bottom));
    }

    .mm-phone-container,
    .mm-leader-shell {
        height: 100svh;
        min-height: 100svh;
        border-radius: 0;
        box-shadow: none;
        padding: 14px;
    }

    .mm-screen {
        gap: 12px;
    }

    .mm-screen-muted {
        border-radius: 16px;
        padding: 12px;
    }

    .mm-screen-title,
    .mm-leader-title {
        font-size: clamp(23px, 7vw, 28px);
        line-height: 1.15;
        letter-spacing: 0;
    }

    .mm-version-label,
    .mm-step-label,
    .mm-leader-subtitle,
    .mm-leader-card-title {
        letter-spacing: 0.08em;
    }

    .mm-input-field,
    .mm-leader-input {
        min-height: 48px;
        border-radius: 12px;
        padding: 12px 13px;
        font-size: 16px;
    }

    .mm-input-textarea {
        min-height: 110px;
    }

    .mm-btn-primary,
    .mm-btn-gold,
    .mm-btn-secondary,
    .mm-leader-primary-btn {
        min-height: 48px;
        border-radius: 12px;
        font-size: 14px;
        letter-spacing: 0;
    }

    .mm-btn-ghost,
    .mm-joined-group-meta,
    .mm-joined-group-goal,
    .mm-leader-member-role {
        font-size: 11px;
        letter-spacing: 0;
    }

    .mm-joined-groups-card,
    .mm-leader-card,
    .mm-joined-group-item,
    .mm-leader-member-item {
        border-radius: 12px;
        padding: 10px;
    }

    .mm-joined-group-name,
    .mm-leader-member-name {
        font-size: 13px;
        line-height: 1.3;
    }

    .mm-leader-member-item {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .mm-leader-member-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .mm-leader-kick-btn {
        font-size: 11px;
        padding: 7px 9px;
    }

    .mm-leader-bottom-nav {
        max-width: none;
        padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
    }

    .mm-leader-bottom-nav-item {
        min-height: 36px;
        font-size: 12px;
    }

    .mm-logout-form {
        top: 12px;
        right: 12px;
    }

    .mm-logout-button,
    .mm-leader-logout-button {
        min-height: 34px;
        padding: 0 9px;
        font-size: 11px;
        border-radius: 9px;
    }

    .mm-screen-header {
        padding-right: 72px;
    }
}

@media (max-width: 380px) {
    .phone-shell {
        padding: 10px;
    }

    .page-title {
        font-size: 23px;
    }

    .page-subtitle {
        font-size: 13px;
    }

    .hero-card,
    .hero-inner {
        min-height: 242px;
    }

    .hero-title {
        font-size: 23px;
    }

    .content-card,
    .momentum-card,
    .planner-section-card,
    .mastermind-card {
        padding: 12px;
    }

    .card-title,
    .planner-main-title,
    .momentum-main-title {
        font-size: 17px;
    }

    .wheel-chip-row,
    .habit-grid {
        gap: 6px;
    }

    .planner-chart-container,
    .planner-chart-container canvas {
        height: 132px;
    }

    .bottom-nav {
        height: calc(66px + env(safe-area-inset-bottom));
    }

    .nav-item {
        font-size: 8px;
    }

    .mm-phone-container,
    .mm-leader-shell {
        padding: 10px;
    }

    .mm-screen-title,
    .mm-leader-title {
        font-size: 22px;
    }

    .mm-input-textarea {
        min-height: 96px;
    }
}

@media (max-width: 340px) {
    .auth-body .app-contents {
        padding-left: 14px;
        padding-right: 14px;
    }

    .phone-shell {
        padding: 8px;
    }

    .page-contents {
        gap: 10px;
    }

    .hero-card,
    .hero-inner {
        min-height: 220px;
    }

    .hero-title {
        font-size: 21px;
    }

    .hero-action {
        font-size: 13px;
    }

    .value-chip,
    .wheel-chip {
        font-size: 11px;
        padding: 7px 8px;
    }

    .planner-friction-item .planner-badge,
    .planner-friction-item .planner-item-delete {
        margin-left: 0;
    }

    .bottom-nav {
        height: calc(62px + env(safe-area-inset-bottom));
    }
}