/* ── Desktop hide: mobile QR gallery ── */
#mob-qr-gallery,
#mob-qr-editor {
    display: none;
}

/* ── Mobile QR / Invitation Cards ── */
@media (max-width: 768px) {
    /* Override full-page overlay — render as normal tab panel */
    #tab-qrcode.active {
        position: static !important;
        display: block !important;
        z-index: auto !important;
        overflow-y: auto !important;
        animation: none !important;
    }
    /* Hide desktop studio + topbar on mobile */
    #tab-qrcode .fp-studio,
    #tab-qrcode .fp-topbar {
        display: none !important;
    }
    /* Show mobile containers */
    #mob-qr-gallery,
    #mob-qr-editor {
        display: block;
    }

    /* ── Gallery: Mode Toggle ── */
    .mob-qr-mode-toggle {
        display: flex;
        gap: 4px;
        padding: 12px 16px 8px;
        background: var(--cream, #f8f4ef);
    }
    .mob-segmented-btn {
        flex: 1;
        padding: 10px 8px;
        border: none;
        border-radius: 10px;
        font-size: 0.76rem;
        font-weight: 500;
        font-family: inherit;
        cursor: pointer;
        transition: all 0.2s;
        background: rgba(44, 24, 16, 0.05);
        color: rgba(44, 24, 16, 0.55);
    }
    .mob-segmented-btn.active {
        background: var(--brown, #3a2a1c);
        color: var(--cream, #f8f4ef);
        font-weight: 600;
    }

    /* ── Gallery: Style Grid ── */
    .mob-qr-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        /* padding: 12px 16px 70px; */
    }
    .mob-qr-style-card {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        padding: 0;
        border: none;
        background: #fff;
        border-radius: 14px;
        overflow: hidden;
        box-shadow: 0 2px 12px rgba(44, 24, 16, 0.08);
        cursor: pointer;
        transition:
            transform 0.15s,
            box-shadow 0.15s;
        animation: mobCardIn 0.3s ease both;
        font-family: inherit;
    }
    .mob-qr-style-card:active {
        transform: scale(0.97);
    }
    .mob-qr-style-card.active {
        box-shadow:
            0 0 0 2.5px var(--gold, #b8956a),
            0 4px 16px rgba(184, 149, 106, 0.25);
    }

    /* ── Gallery: Card Thumb ── */
    .mob-qr-style-thumb {
        width: 100%;
        overflow: hidden;
        position: relative;
        background: #f5f0e8;
        border-radius: 10px 10px 0 0;
    }
    /* Real card clone: force 340x480 native (override mobile responsive rules), scale via transform */
    .mob-qr-card-clone.qr-invitation-card {
        width: 340px !important;
        min-width: 340px !important;
        height: 480px !important;
        min-height: 480px !important;
        max-width: 340px !important;
        position: absolute !important;
        top: 0;
        left: 0;
        pointer-events: none;
        display: block;
        box-shadow: none !important;
        animation: none !important;
        transition: none !important;
        margin: 0 !important;
        padding: 4px !important;
    }
    .mob-qr-card-clone .inv-content {
        min-height: 460px !important;
        padding: 36px 28px 28px !important;
    }
    .mob-qr-card-clone .inv-names {
        font-size: 1.8rem !important;
    }
    .mob-qr-style-thumb > svg:first-child {
        width: 100%;
        height: 100%;
        display: block;
    }
    /* ── Canva-like hover overlay ── */
    .mob-qr-style-thumb::after {
        content: attr(data-hover-label);
        position: absolute;
        inset: 0;
        background: rgba(58, 42, 28, 0.45);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.72rem;
        font-weight: 600;
        letter-spacing: 0.03em;
        opacity: 0;
        transition: opacity 0.2s;
        z-index: 5;
        pointer-events: none;
        border-radius: 0;
    }
    .mob-qr-style-card:hover .mob-qr-style-thumb::after,
    .mob-qr-style-card:active .mob-qr-style-thumb::after {
        opacity: 1;
    }
    .mob-qr-active-badge {
        position: absolute;
        top: 8px;
        right: 8px;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: var(--gold, #b8956a);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 10;
        box-shadow: 0 2px 6px rgba(184, 149, 106, 0.4);
    }
    .mob-qr-style-name {
        font-family: "Cormorant Garamond", serif;
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--brown, #3a2a1c);
        padding: 0 8px;
        text-align: center;
    }
    .mob-qr-active-label {
        font-size: 0.62rem;
        font-weight: 600;
        color: var(--gold, #b8956a);
        letter-spacing: 0.05em;
        text-transform: uppercase;
        padding-bottom: 10px;
    }
    .mob-qr-style-card:not(.active) .mob-qr-style-name {
        padding-bottom: 12px;
    }

    /* ── Gallery: Favorite Button ── */
    .mob-qr-fav-btn {
        position: absolute;
        top: 8px;
        left: 8px;
        width: 30px;
        height: 30px;
        border-radius: 50%;
        border: none;
        background: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(6px);
        color: rgba(44, 24, 16, 0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 11;
        cursor: pointer;
        transition:
            color 0.2s,
            transform 0.2s,
            background 0.2s;
        padding: 0;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    }
    .mob-qr-fav-btn:active {
        transform: scale(1.15);
    }
    .mob-qr-fav-btn.active {
        color: var(--gold, #b8956a);
        background: rgba(255, 255, 255, 0.95);
    }

    /* ── Gallery: Empty State ── */
    .mob-qr-empty {
        grid-column: 1 / -1;
        text-align: center;
        padding: 40px 20px;
        color: rgba(44, 24, 16, 0.4);
        font-size: 0.85rem;
        font-style: italic;
    }

    /* ── Editor: Preview Area ── */
    /* Remove blur from envelope settings sheet */
    #mob-qr-env-settings-sheet {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(44, 24, 16, 0.25);
    }

    .mob-qr-preview-area {
        background: #e8e2d8;
        background-image: radial-gradient(ellipse at 50% 0%, rgba(201, 169, 110, 0.08) 0%, transparent 60%);
        padding: 14px 16px 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
        min-height: 420px;
    }

    /* ── Face Toggle Bar (Recto / Verso / Enveloppe) ── */
    .mob-qr-face-bar {
        display: flex;
        gap: 3px;
        padding: 3px;
        background: rgba(44, 24, 16, 0.07);
        border-radius: 12px;
        margin-bottom: 14px;
        width: 100%;
        max-width: 320px;
    }
    .mob-qr-face-btn {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 5px;
        padding: 7px 4px;
        border: none;
        border-radius: 10px;
        background: transparent;
        font-family: inherit;
        font-size: 0.68rem;
        font-weight: 500;
        color: rgba(44, 24, 16, 0.45);
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .mob-qr-face-btn.active {
        background: #fff;
        color: var(--txt, #2c1810);
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    }
    .mob-qr-face-btn svg {
        flex-shrink: 0;
    }

    .mob-qr-card-stage {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .mob-qr-flipper {
        perspective: 1200px;
        width: 280px;
        height: 395px;
    }
    .mob-qr-flipper .qr-card-flipper {
        width: 340px !important;
        height: 480px !important;
        aspect-ratio: unset !important;
        transform: scale(0.824);
        transform-origin: 0 0;
        /* No 3D flip on mobile — JS toggles display instead (Safari compat) */
        transform-style: flat !important;
        -webkit-transform-style: flat !important;
    }
    .mob-qr-flipper .qr-card-front,
    .mob-qr-flipper .qr-card-back {
        width: 340px !important;
        min-width: 340px !important;
        max-width: 340px !important;
        height: 480px !important;
        min-height: 480px !important;
        /* Kill 3D rotation — show/hide via JS */
        transform: none !important;
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
    }
    /* Back face starts hidden (JS shows it when switching to verso) */
    .mob-qr-flipper .qr-card-back {
        display: none;
    }
    .mob-qr-flipper .inv-content {
        min-height: 472px !important; /* 480 − 8px card padding */
        padding: 36px 28px 28px !important;
    }
    .mob-qr-flipper .qr-invitation-card {
        box-shadow:
            0 8px 32px rgba(58, 42, 28, 0.22),
            0 2px 8px rgba(58, 42, 28, 0.1);
    }
    /* Back face: ensure proper spacing, prevent text overlap */
    .mob-qr-flipper .inv-back-content {
        height: 100% !important;
        padding: 28px 20px !important;
        gap: 6px;
    }
    .mob-qr-flipper .inv-back-qr {
        margin-bottom: 12px;
    }
    .mob-qr-flipper .inv-back-qr canvas {
        max-width: 120px;
        max-height: 120px;
    }
    .mob-qr-flipper .inv-back-scan {
        font-size: 0.55rem;
        margin: 0 0 2px;
    }
    .mob-qr-flipper .inv-back-url {
        font-size: 0.45rem;
        margin: 0 0 12px;
        max-width: 200px;
    }
    .mob-qr-flipper .inv-back-names {
        font-size: 0.8rem;
        margin: 0 0 2px;
    }
    .mob-qr-flipper .inv-back-date {
        font-size: 0.55rem;
    }
    .mob-qr-flipper .inv-back-hashtag {
        font-size: 0.58rem;
        margin: 0 0 2px;
    }
    .mob-qr-flipper .inv-back-rsvp-contact {
        font-size: 0.42rem;
        margin: 4px 0 0;
    }
    .mob-qr-field-row {
        display: flex;
        align-items: center;
        gap: 0;
    }
    .mob-qr-field-row label {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 34px;
        background: rgba(44, 24, 16, 0.05);
        border: 1px solid rgba(44, 24, 16, 0.12);
        border-right: none;
        border-radius: 10px 0 0 10px;
        font-family: "Jost", sans-serif;
        font-size: 0.82rem;
        font-weight: 600;
        color: rgba(44, 24, 16, 0.45);
    }
    .mob-qr-field-row .mob-qr-text-input {
        border-radius: 0 10px 10px 0;
    }
    .mob-qr-flipper .inv-back-ornament {
        margin-bottom: 8px;
    }
    .mob-qr-flipper .inv-back-title {
        font-size: 1.1rem;
    }
    .mob-qr-flipper .inv-back-desc {
        font-size: 0.52rem;
        line-height: 1.5;
    }
    .mob-qr-flipper .inv-back-text-block {
        padding: 4px 16px 8px;
        gap: 6px;
    }
    .mob-qr-swipe-hint {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 0.65rem;
        color: rgba(58, 42, 28, 0.35);
        margin-top: 10px;
        animation: mobFadeIn 0.5s ease 1.5s both;
    }
    @keyframes mobFadeIn {
        from {
            opacity: 0;
            transform: translateY(6px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* ── Envelope Preview (Face 2) ── */
    /* ── Envelope stage: uses desktop fp-env-* classes, scaled for mobile ── */
    .mob-qr-env-stage {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 14px;
        padding: 10px 0;
    }
    /* Scale desktop envelope down for mobile screens */
    #mob-qr-env-stage .fp-envelope-preview {
        padding: 16px 12px 10px;
    }
    #mob-qr-env-stage .fp-env-wrapper {
        width: 280px;
        height: 200px;
    }
    #mob-qr-env-stage .fp-env-flap {
        height: 100px;
    }
    #mob-qr-env-stage .fp-env-left-v {
        border-width: 100px 0 0 140px;
    }
    #mob-qr-env-stage .fp-env-right-v {
        border-width: 100px 140px 0 0;
    }
    #mob-qr-env-stage .fp-env-bottom-v {
        height: 100px;
    }
    #mob-qr-env-stage .fp-env-card-inside {
        width: 155px;
        height: 62px;
        margin-bottom: -10px;
    }
    #mob-qr-env-stage .fp-env-card-inside.rising {
        transform: translateY(-56px);
    }
    #mob-qr-env-stage .fp-env-card-names {
        font-size: 0.78rem;
    }
    #mob-qr-env-stage .fp-env-card-date {
        font-size: 0.52rem;
    }
    #mob-qr-env-stage .fp-env-monogram {
        font-size: 0.95rem;
        top: 22px;
    }
    .mob-qr-env-bottom {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
    .mob-qr-env-customize {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        border: 1px solid rgba(44, 24, 16, 0.12);
        border-radius: 20px;
        background: #fff;
        font-family: inherit;
        font-size: 0.72rem;
        font-weight: 500;
        color: var(--txt, #2c1810);
        cursor: pointer;
        transition: background 0.15s;
    }
    .mob-qr-env-customize:active {
        background: var(--cream-d, #e8ddd0);
    }

    /* ── Preview Stage (face 3 — guest view with real card) ── */
    .mob-qr-preview-stage {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 10px;
        padding: 10px 0;
    }
    .mob-qr-pv-badge {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-size: 0.65rem;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        color: rgba(58, 42, 28, 0.5);
        background: rgba(34, 197, 94, 0.08);
        border: 1px solid rgba(34, 197, 94, 0.2);
        border-radius: 20px;
        padding: 4px 12px;
    }
    .mob-qr-pv-area {
        position: relative;
        width: 280px;
        height: 360px;
        display: flex;
        align-items: flex-end;
        justify-content: center;
    }
    /* Envelope */
    .mob-qr-pv-envelope {
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 250px;
        height: 175px;
        background: #f9d8cc;
        border-radius: 4px 4px 8px 8px;
        z-index: 10;
        filter: drop-shadow(0 8px 24px rgba(58, 42, 28, 0.2));
        transition:
            opacity 0.65s ease,
            transform 0.65s ease;
        cursor: pointer;
    }
    .mob-qr-pv-envelope.done {
        opacity: 0;
        transform: translateX(-50%) translateY(20px) scale(0.94);
        pointer-events: none;
    }
    @keyframes mobPvWiggle {
        0%,
        100% {
            transform: translateX(-50%) rotate(0deg) translateY(0);
        }
        18% {
            transform: translateX(-50%) rotate(-2deg) translateY(-3px);
        }
        36% {
            transform: translateX(-50%) rotate(2deg) translateY(-5px);
        }
        54% {
            transform: translateX(-50%) rotate(-1.2deg) translateY(-2px);
        }
        72% {
            transform: translateX(-50%) rotate(1.5deg) translateY(-4px);
        }
        90% {
            transform: translateX(-50%) rotate(-0.8deg) translateY(-1px);
        }
    }
    .mob-qr-pv-envelope.wiggle {
        animation: mobPvWiggle 2s ease-in-out infinite;
    }
    .mob-qr-pv-env-flap {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 52%;
        background: #edab94;
        clip-path: polygon(0 0, 100% 0, 50% 100%);
        transform-origin: top center;
        transition: transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 2;
    }
    .mob-qr-pv-env-flap.open {
        transform: rotateX(180deg);
    }
    .mob-qr-pv-env-mono {
        position: absolute;
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
        font-family: "Cormorant Garamond", serif;
        font-size: 0.9rem;
        letter-spacing: 0.12em;
        color: rgba(80, 40, 20, 0.7);
        white-space: nowrap;
        pointer-events: none;
    }
    .mob-qr-pv-env-left-v {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 87px 0 0 125px;
        border-color: transparent transparent transparent rgba(0, 0, 0, 0.06);
    }
    .mob-qr-pv-env-right-v {
        position: absolute;
        bottom: 0;
        right: 0;
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 87px 125px 0 0;
        border-color: transparent rgba(0, 0, 0, 0.06) transparent transparent;
    }
    .mob-qr-pv-env-bottom-v {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 50%;
        background: rgba(0, 0, 0, 0.04);
        clip-path: polygon(0 100%, 50% 0, 100% 100%);
    }
    /* Card scene — rises from envelope */
    .mob-qr-pv-card-scene {
        position: absolute;
        bottom: 50px;
        left: 50%;
        transform: translateX(-50%) translateY(140px);
        opacity: 0;
        z-index: 5;
        transition:
            transform 0.78s cubic-bezier(0.22, 1, 0.36, 1),
            opacity 0.55s ease;
    }
    .mob-qr-pv-card-scene.risen {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
        z-index: 20;
    }
    .mob-qr-pv-flipper {
        width: 204px;
        height: 288px;
        position: relative;
        transform-style: preserve-3d;
        transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
    }
    .mob-qr-pv-flipper.flipped {
        transform: rotateY(180deg);
    }
    .mob-qr-pv-face {
        position: absolute;
        inset: 0;
        overflow: hidden;
        border-radius: 4px;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
        box-shadow:
            0 12px 40px rgba(58, 42, 28, 0.25),
            0 3px 10px rgba(58, 42, 28, 0.12);
    }
    .mob-qr-pv-back {
        transform: rotateY(180deg);
    }
    .mob-qr-pv-face .qr-invitation-card {
        transform-origin: top left !important;
        transform: scale(0.6) !important;
        width: 340px !important;
        min-width: 340px !important;
        height: 480px !important;
        min-height: 480px !important;
        max-height: 480px !important;
        zoom: unset !important;
        box-shadow: none !important;
        animation: none !important;
        transition: none !important;
        pointer-events: none !important;
        overflow: hidden !important;
    }
    /* Force desktop card layout inside preview — override 600px responsive rules */
    .mob-qr-pv-face .inv-content {
        min-height: 472px !important;
        padding: 30px 24px 24px !important;
    }
    .mob-qr-pv-face .inv-names {
        font-size: 1.65rem !important;
    }
    .mob-qr-pv-face .inv-corner {
        width: 165px !important;
        height: 188px !important;
    }
    .mob-qr-pv-face .inv-seal {
        width: 52px !important;
        height: 52px !important;
    }
    .mob-qr-pv-face .inv-back-content {
        height: 100% !important;
        padding: 36px 24px !important;
    }
    /* Flip button */
    .mob-qr-pv-flip-btn {
        position: absolute;
        bottom: -40px;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        align-items: center;
        gap: 6px;
        background: var(--brown, #3a2a1c);
        color: var(--cream, #fbf7f0);
        border: none;
        border-radius: 20px;
        padding: 7px 16px;
        font-size: 0.7rem;
        font-family: inherit;
        letter-spacing: 0.04em;
        cursor: pointer;
        opacity: 0;
        pointer-events: none;
        transition:
            opacity 0.4s ease,
            background 0.15s;
        white-space: nowrap;
    }
    .mob-qr-pv-flip-btn.visible {
        opacity: 1;
        pointer-events: auto;
    }
    .mob-qr-pv-flip-btn:active {
        background: rgba(58, 42, 28, 0.8);
    }
    /* Hint text */
    .mob-qr-pv-hint {
        font-family: "Cormorant Garamond", serif;
        font-size: 0.75rem;
        color: rgba(58, 42, 28, 0.4);
        letter-spacing: 0.06em;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 5px;
        opacity: 0;
        transition: opacity 0.5s ease;
        margin: 0;
    }
    .mob-qr-pv-hint.visible {
        opacity: 1;
    }

    /* ── Envelope Settings Swatches ── */
    .mob-qr-env-swatches {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        align-items: center;
    }
    .mob-qr-env-swatch {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        border: 2.5px solid transparent;
        cursor: pointer;
        transition: all 0.15s;
    }
    .mob-qr-env-swatch.active {
        border-color: var(--gold, #b8956a);
        box-shadow: 0 0 0 2px rgba(184, 149, 106, 0.25);
    }
    .mob-qr-env-color-input {
        width: 36px;
        height: 36px;
        border: 1.5px dashed rgba(44, 24, 16, 0.18);
        border-radius: 50%;
        cursor: pointer;
        padding: 2px;
        background: transparent;
    }

    /* ── Editor: Style Carousel ── */
    .mob-qr-carousel {
        display: flex;
        gap: 10px;
        overflow-x: auto;
        padding: 14px 16px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
        background: var(--cream, #f8f4ef);
        border-top: 1px solid rgba(44, 24, 16, 0.06);
    }
    .mob-qr-carousel::-webkit-scrollbar {
        display: none;
    }
    .mob-qr-carousel-item {
        flex: 0 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        padding: 4px;
        border: 2px solid transparent;
        border-radius: 8px;
        cursor: pointer;
        scroll-snap-align: center;
        background: none;
        font-family: inherit;
        transition: border-color 0.15s;
    }
    .mob-qr-carousel-item.active {
        border-color: var(--gold, #b8956a);
        background: rgba(184, 149, 106, 0.08);
    }
    .mob-qr-carousel-thumb {
        width: 44px;
        aspect-ratio: 340 / 480;
        overflow: hidden;
        border-radius: 3px;
        position: relative;
        background: #f0ebe1;
    }
    .mob-qr-carousel-thumb > svg {
        width: 100%;
        height: 100%;
        display: block;
    }
    .mob-qr-carousel-item span {
        font-size: 0.56rem;
        color: rgba(44, 24, 16, 0.55);
        white-space: nowrap;
        max-width: 52px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .mob-qr-carousel-item.active span {
        color: var(--gold, #b8956a);
        font-weight: 600;
    }

    /* ── Editor: 5-Tab Toolbar (replaces global nav) ── */

    .mob-qr-toolbar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 50;
        display: flex;
        gap: 0;
        padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px)) 8px;
        background: rgba(251, 247, 240, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid rgba(44, 24, 16, 0.08);
    }
    .mob-qr-tool-btn {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 3px;
        padding: 6px 2px;
        border: none;
        border-radius: 10px;
        background: transparent;
        color: rgba(44, 24, 16, 0.45);
        cursor: pointer;
        font-family: inherit;
        transition: all 0.15s;
    }
    .mob-qr-tool-btn span {
        font-size: 0.58rem;
        font-weight: 500;
    }
    .mob-qr-tool-btn.active {
        background: rgba(184, 149, 106, 0.12);
        color: var(--gold, #b8956a);
    }
    .mob-qr-tool-btn.mob-tool-disabled {
        opacity: 0.3;
        pointer-events: auto;
    }

    /* ── Bottom Sheet: Share Grid ── */
    .mob-qr-share-grid {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 10px;
    }
    .mob-qr-share-btn {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        padding: 16px 8px;
        border: 1px solid rgba(44, 24, 16, 0.08);
        border-radius: 14px;
        background: #fff;
        cursor: pointer;
        font-family: inherit;
        font-size: 0.72rem;
        color: var(--txt, #2c1810);
        transition: background 0.15s;
    }
    .mob-qr-share-btn:active {
        background: rgba(44, 24, 16, 0.04);
    }

    /* ── Send sheet: banner + description + actions ── */
    .mob-qr-send-banner {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 12px 14px;
        background: rgba(184, 149, 106, 0.08);
        border-radius: 12px;
        border-left: 3px solid var(--gold, #b8956a);
        margin: 0 0 10px;
    }
    .mob-qr-send-banner div {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .mob-qr-send-banner strong {
        font-size: 0.82rem;
        color: var(--brown, #3a2a1c);
    }
    .mob-qr-send-banner span {
        font-size: 0.7rem;
        color: rgba(44, 24, 16, 0.55);
    }
    .mob-qr-send-desc {
        font-size: 0.72rem;
        color: rgba(44, 24, 16, 0.5);
        line-height: 1.5;
        margin: 0 0 6px;
    }
    .mob-qr-send-action {
        display: flex;
        align-items: center;
        gap: 10px;
        width: 100%;
        padding: 12px 14px;
        border: 1px solid rgba(44, 24, 16, 0.08);
        border-radius: 12px;
        background: #fff;
        font-family: inherit;
        font-size: 0.78rem;
        font-weight: 500;
        color: var(--txt, #2c1810);
        cursor: pointer;
        transition: background 0.15s;
    }
    .mob-qr-send-action:active {
        background: var(--cream-d, #e8ddd0);
    }
    .mob-qr-send-action svg {
        flex: 0 0 auto;
        color: var(--gold, #b8956a);
    }

    /* ── Bottom Sheet: Style List ── */
    .mob-qr-style-list {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }
    .mob-qr-style-list .mob-chip {
        font-size: 0.76rem;
    }

    /* ── Bottom Sheet: Color Row ── */
    .mob-qr-color-row {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 8px 0;
    }
    .mob-qr-color-row input[type="color"] {
        width: 48px;
        height: 48px;
        border: 1px solid rgba(44, 24, 16, 0.12);
        border-radius: 12px;
        cursor: pointer;
        padding: 3px;
        background: transparent;
    }
    .mob-qr-color-row span,
    .mob-qr-color-row label {
        font-family: "Jost", monospace;
        font-size: 0.85rem;
        color: rgba(44, 24, 16, 0.6);
        letter-spacing: 0.5px;
    }

    /* ── Bottom Sheet: Input Fields ── */
    .mob-qr-input {
        width: 100%;
        padding: 12px 14px;
        border: 1px solid rgba(44, 24, 16, 0.12);
        border-radius: 12px;
        font-family: inherit;
        font-size: 0.82rem;
        color: var(--txt, #2c1810);
        background: #fff;
        transition: border-color 0.2s;
    }
    .mob-qr-input:focus {
        outline: none;
        border-color: var(--gold, #b8956a);
    }
    .mob-qr-reset-btn {
        margin-top: 8px;
        padding: 6px 14px;
        border: 1px solid rgba(44, 24, 16, 0.1);
        border-radius: 8px;
        background: none;
        font-family: inherit;
        font-size: 0.72rem;
        color: rgba(44, 24, 16, 0.5);
        cursor: pointer;
    }
    .mob-qr-field-label {
        display: block;
        font-size: 0.72rem;
        font-weight: 500;
        color: rgba(44, 24, 16, 0.6);
        margin-bottom: 8px;
    }
    .mob-qr-url-row {
        display: flex;
        gap: 8px;
    }
    .mob-qr-url-row input {
        flex: 1;
        min-width: 0;
    }
    .mob-qr-gen-btn {
        padding: 10px 16px;
        border: none;
        border-radius: 12px;
        background: var(--gold, #b8956a);
        color: #fff;
        font-family: inherit;
        font-size: 0.78rem;
        font-weight: 600;
        cursor: pointer;
        white-space: nowrap;
        transition: opacity 0.15s;
    }
    .mob-qr-gen-btn:active {
        opacity: 0.8;
    }

    /* ── QR text/design sheets: section titles ── */
    #mob-qr-text-sheet-v2 .mob-sheet-section-title,
    #mob-qr-design-sheet .mob-sheet-section-title {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 7px 12px;
        margin: 0 -12px 10px;
        background: rgba(44, 24, 16, 0.04);
        border-radius: 8px;
        font-size: 0.7rem;
        font-weight: 600;
        letter-spacing: 0.5px;
        text-transform: uppercase;
        color: rgba(44, 24, 16, 0.45);
    }

    /* ── QR text sheet: textarea ── */
    .mob-qr-textarea {
        resize: vertical;
        min-height: 60px;
        font-family: "Jost", sans-serif;
        line-height: 1.5;
    }

    /* ── QR: Verso-only badge ── */
    .mob-qr-verso-badge {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 6px 12px;
        margin: 0 0 12px;
        background: rgba(184, 149, 106, 0.1);
        border: 1px solid rgba(184, 149, 106, 0.25);
        border-radius: 8px;
        font-size: 0.72rem;
        font-weight: 500;
        color: var(--gold, #b8956a);
    }
    .mob-qr-verso-badge svg {
        flex-shrink: 0;
        color: var(--gold, #b8956a);
    }

    /* ── QR: Verso hint when QR active ── */
    .mob-qr-verso-hint {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        padding: 10px 12px;
        background: rgba(184, 149, 106, 0.08);
        border-radius: 10px;
        font-size: 0.73rem;
        line-height: 1.45;
        color: rgba(44, 24, 16, 0.6);
    }
    .mob-qr-verso-hint svg {
        flex-shrink: 0;
        margin-top: 1px;
        color: var(--gold, #b8956a);
    }

    /* ── QR: Color row (color picker + hex + reset) ── */
    .mob-qr-color-row {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .mob-qr-color-row input[type="color"] {
        width: 40px;
        height: 34px;
        padding: 2px;
        border: 1px solid rgba(44, 24, 16, 0.12);
        border-radius: 8px;
        background: #fff;
        cursor: pointer;
    }
    .mob-qr-color-hex {
        font-size: 0.78rem;
        font-family: "Jost", monospace;
        color: rgba(44, 24, 16, 0.55);
        letter-spacing: 0.02em;
        flex: 1;
    }
    .mob-qr-color-reset {
        width: 28px; height: 28px;
        border: 1px solid rgba(44,24,16,0.1);
        border-radius: 50%;
        background: none;
        color: rgba(44,24,16,0.4);
        font-size: 16px;
        line-height: 1;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .mob-qr-color-reset:active { background: rgba(44,24,16,0.06); }
    .mob-qr-color-field {
        margin-bottom: 2px;
    }

    /* ── Design + Text sheet: section header (Recto/Verso divider) ── */
    .mob-sheet-section-header {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 0 6px;
        margin-top: 8px;
        font-size: 0.68rem;
        font-weight: 700;
        letter-spacing: 1px;
        text-transform: uppercase;
        color: var(--gold, #b8956a);
    }
    .mob-sheet-section-header::after {
        content: '';
        flex: 1;
        height: 1px;
        background: rgba(184,149,106,0.25);
    }

    /* ── Text/Design sheet: text input ── */
    .mob-qr-text-input {
        width: 100%;
        padding: 10px 12px;
        border: 1px solid rgba(44,24,16,0.1);
        border-radius: 10px;
        font-family: "Jost", sans-serif;
        font-size: 0.82rem;
        color: var(--txt, #2c1810);
        background: #fff;
        margin-top: 6px;
        transition: border-color 0.2s;
    }
    .mob-qr-text-input:focus {
        outline: none;
        border-color: var(--gold, #b8956a);
    }

    /* ── Time input ── */
    .mob-qr-time-input {
        width: 120px;
        padding: 8px 10px;
        border: 1px solid rgba(44,24,16,0.1);
        border-radius: 10px;
        font-family: "Jost", sans-serif;
        font-size: 0.82rem;
        color: var(--txt, #2c1810);
        background: #fff;
        margin-top: 6px;
    }
    .mob-qr-time-input:focus {
        outline: none;
        border-color: var(--gold, #b8956a);
    }

    /* ── Range slider ── */
    .mob-qr-range {
        width: 100%;
        height: 4px;
        -webkit-appearance: none;
        appearance: none;
        background: rgba(44,24,16,0.1);
        border-radius: 4px;
        outline: none;
        margin: 8px 0 4px;
    }
    .mob-qr-range::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 22px; height: 22px;
        border-radius: 50%;
        background: var(--gold, #b8956a);
        border: 3px solid #fff;
        box-shadow: 0 1px 4px rgba(0,0,0,0.15);
        cursor: pointer;
    }
    .mob-qr-range::-moz-range-thumb {
        width: 22px; height: 22px;
        border-radius: 50%;
        background: var(--gold, #b8956a);
        border: 3px solid #fff;
        box-shadow: 0 1px 4px rgba(0,0,0,0.15);
        cursor: pointer;
    }

    /* ── Alignment button group ── */
    .mob-qr-align-group {
        display: flex;
        gap: 6px;
    }
    .mob-qr-align-btn {
        flex: 1;
        padding: 10px;
        border: 1.5px solid rgba(44,24,16,0.1);
        border-radius: 10px;
        background: #fff;
        color: rgba(44,24,16,0.5);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.15s;
    }
    .mob-qr-align-btn.active {
        border-color: var(--gold, #b8956a);
        background: rgba(184,149,106,0.08);
        color: var(--gold, #b8956a);
    }
    .mob-qr-align-btn:active { transform: scale(0.95); }

    /* ── Inline reset button (↺ icon next to section titles) ── */
    .mob-qr-inline-reset {
        border: none;
        background: none;
        color: rgba(44,24,16,0.35);
        font-size: 14px;
        cursor: pointer;
        padding: 2px 4px;
        border-radius: 4px;
    }
    .mob-qr-inline-reset:active { background: rgba(44,24,16,0.06); }

    /* ── Hint text in sheets ── */
    .mob-qr-hint-text {
        font-size: 0.75rem;
        color: rgba(44,24,16,0.45);
        font-style: italic;
        padding: 12px 0;
        text-align: center;
    }

    /* ── QR Editor: Style grid (dot/eye/logo buttons) ── */
    .mob-qr-style-grid {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }
    .mob-qr-style-btn {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        border: 2px solid rgba(44, 24, 16, 0.1);
        background: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(44, 24, 16, 0.5);
        cursor: pointer;
        transition: all 0.15s ease;
    }
    .mob-qr-style-btn:active {
        transform: scale(0.92);
    }
    .mob-qr-style-btn.active {
        border-color: var(--gold, #b8956a);
        background: rgba(184, 149, 106, 0.08);
        color: var(--gold, #b8956a);
        box-shadow: 0 0 0 1px var(--gold, #b8956a);
    }
    .mob-qr-logo-grid {
        gap: 6px;
    }
    .mob-qr-logo-grid .mob-qr-style-btn {
        width: 44px;
        height: 44px;
        border-radius: 10px;
    }

    /* ── QR Editor: Download row ── */
    .mob-qr-dl-row {
        display: flex;
        gap: 10px;
    }
    .mob-qr-dl-btn {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 12px 16px;
        border-radius: 12px;
        border: 1.5px solid rgba(44, 24, 16, 0.1);
        background: #fff;
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--txt, #2c1810);
        cursor: pointer;
        transition: all 0.15s ease;
    }
    .mob-qr-dl-btn:active {
        transform: scale(0.96);
        background: var(--cream-d, #e8ddd0);
    }
    .mob-qr-dl-btn svg {
        color: var(--gold, #b8956a);
    }

    /* ── QR Editor: Bottom sheets without blur overlay ── */
    #mob-qr-style-sheet,
    #mob-qr-design-sheet,
    #mob-qr-text-sheet-v2,
    #mob-qr-qr-sheet,
    #mob-qr-font-sheet,
    #mob-qr-photo-sheet,
    #mob-qr-envelope-sheet,
    #mob-qr-share-sheet {
        background: rgba(44, 24, 16, 0.15);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    /* ── QR Editor: preview area padding for fixed bottom toolbar ── */
    #mob-qr-editor {
        padding-bottom: 62px;
    }

    /* ── Saved Cards: 3-segment toggle ── */
    .mob-qr-mode-toggle .mob-segmented-btn {
        font-size: 0.68rem;
        padding: 9px 4px;
    }

    /* Saved count badge */
    .mob-qr-saved-count {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 18px;
        height: 18px;
        border-radius: 9px;
        background: var(--gold, #b8956a);
        color: #fff;
        font-size: 0.6rem;
        font-weight: 700;
        padding: 0 5px;
        margin-left: 4px;
    }

    /* Saved card meta (name + time) */
    .mob-qr-saved-meta {
        padding: 6px 8px 10px;
        text-align: center;
    }
    .mob-qr-saved-name {
        font-family: "Cormorant Garamond", serif;
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--brown, #3a2a1c);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .mob-qr-saved-time {
        font-size: 0.6rem;
        color: rgba(44, 24, 16, 0.4);
        margin-top: 2px;
    }

    /* Free plan limit indicator */
    .mob-qr-limit-bar {
        text-align: center;
        padding: 8px 16px 4px;
        font-size: 0.7rem;
        color: rgba(44, 24, 16, 0.5);
        font-weight: 500;
    }
    .mob-qr-limit-bar strong {
        color: var(--gold, #b8956a);
    }

    /* Empty slot placeholder (free plan) */
    .mob-qr-empty-slot {
        width: 100%;
        aspect-ratio: 340/480;
        border: 2px dashed rgba(44, 24, 16, 0.15);
        border-radius: 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        color: rgba(44, 24, 16, 0.25);
        gap: 6px;
    }
    .mob-qr-empty-slot svg {
        opacity: 0.4;
    }

    /* Saved empty state */
    .mob-qr-saved-empty {
        grid-column: 1 / -1;
        text-align: center;
        padding: 48px 24px;
        color: rgba(44, 24, 16, 0.45);
    }
    .mob-qr-saved-empty svg {
        margin: 0 auto 14px;
        display: block;
        opacity: 0.25;
    }
    .mob-qr-saved-empty p {
        font-size: 0.82rem;
        line-height: 1.5;
        margin: 0;
    }
    .mob-qr-saved-empty .mob-qr-empty-hint {
        font-size: 0.72rem;
        margin-top: 8px;
        opacity: 0.7;
    }

    /* ── Saved cards list (single-column, swipe-ready) ── */
    .mob-qr-saved-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .mob-qr-saved-card {
        display: flex;
        align-items: center;
        gap: 12px;
        background: #fff;
        border-radius: 14px;
        padding: 10px 12px;
        position: relative;
        z-index: 1;
        box-shadow: 0 2px 10px rgba(44, 24, 16, 0.07);
        border-left: 3px solid var(--gold, #b8956a);
        -webkit-user-select: none;
        user-select: none;
        transition: transform 0.12s;
    }
    .mob-qr-saved-card:active {
        transform: scale(0.985);
    }
    .mob-qr-saved-card-thumb {
        width: 60px;
        height: 84px;
        flex: 0 0 60px;
        border-radius: 6px;
        overflow: hidden;
        background: var(--cream-d, #e8ddd0);
        position: relative;
    }
    .mob-qr-saved-card-thumb > .qr-invitation-card,
    .mob-qr-saved-card-thumb > [data-style] {
        width: 340px !important;
        height: 480px !important;
        transform: scale(0.176);
        transform-origin: 0 0;
        pointer-events: none;
    }
    .mob-qr-saved-card-info {
        flex: 1;
        min-width: 0;
    }
    .mob-qr-saved-card-name {
        font-family: "Cormorant Garamond", serif;
        font-size: 0.88rem;
        font-weight: 600;
        color: var(--brown, #3a2a1c);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .mob-qr-saved-card-style {
        font-size: 0.7rem;
        color: var(--gold, #b8956a);
        font-weight: 500;
        margin-top: 2px;
    }
    .mob-qr-saved-card-time {
        font-size: 0.65rem;
        color: rgba(44, 24, 16, 0.4);
        margin-top: 4px;
    }
    .mob-qr-saved-card-chevron {
        flex: 0 0 auto;
        color: rgba(44, 24, 16, 0.2);
    }

    /* Font picker grid */
    .mob-qr-font-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        padding: 4px 16px 16px;
    }
    .mob-qr-font-item {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        padding: 14px 8px 10px;
        border: 2px solid rgba(44, 24, 16, 0.1);
        border-radius: 12px;
        background: #fff;
        cursor: pointer;
        transition:
            border-color 0.2s,
            box-shadow 0.2s;
        font-family: inherit;
    }
    .mob-qr-font-item:active {
        transform: scale(0.97);
    }
    .mob-qr-font-item.active {
        border-color: var(--gold, #b8956a);
        box-shadow: 0 0 0 1px var(--gold, #b8956a);
    }
    .mob-qr-font-preview {
        font-size: 1rem;
        line-height: 1.2;
        color: var(--brown, #3a2a1c);
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }
    .mob-qr-font-label {
        font-size: 0.62rem;
        color: rgba(44, 24, 16, 0.5);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        font-weight: 500;
    }
    .mob-qr-font-check {
        position: absolute;
        top: 6px;
        right: 6px;
        color: var(--gold, #b8956a);
    }

    /* Photo sheet */
    .mob-qr-photo-content {
        padding: 8px 16px 16px;
    }
    .mob-qr-photo-upload {
        cursor: pointer;
    }
    .mob-qr-photo-preview {
        position: relative;
        width: 100%;
        aspect-ratio: 3/4;
        max-height: 220px;
        border: 2px dashed rgba(44, 24, 16, 0.15);
        border-radius: 14px;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(251, 247, 240, 0.5);
        transition: border-color 0.2s;
    }
    .mob-qr-photo-preview:active {
        border-color: var(--gold, #b8956a);
    }
    .mob-qr-photo-preview img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: none;
    }
    .mob-qr-photo-preview.has-photo img {
        display: block;
    }
    .mob-qr-photo-preview.has-photo .mob-qr-photo-placeholder {
        display: none;
    }
    .mob-qr-photo-placeholder {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        color: rgba(44, 24, 16, 0.35);
    }
    .mob-qr-photo-placeholder span {
        font-size: 0.78rem;
        text-align: center;
        line-height: 1.3;
    }
    .mob-qr-photo-hint {
        font-size: 0.7rem;
        color: rgba(44, 24, 16, 0.45);
        text-align: center;
        margin: 8px 0 4px;
        line-height: 1.3;
    }
    .mob-qr-photo-remove {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        width: 100%;
        padding: 10px;
        margin-top: 8px;
        border: 1px solid rgba(239, 68, 68, 0.25);
        border-radius: 10px;
        background: rgba(239, 68, 68, 0.04);
        color: #ef4444;
        font-size: 0.78rem;
        font-weight: 500;
        cursor: pointer;
        transition: background 0.15s;
        font-family: inherit;
    }
    .mob-qr-photo-remove:active {
        background: rgba(239, 68, 68, 0.12);
    }
    .mob-qr-photo-remove.hidden {
        display: none;
    }

    /* Bottom sheets above toolbar */
    #mob-qr-font-sheet,
    #mob-qr-photo-sheet {
        background: rgba(44, 24, 16, 0.15);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}