* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    font-family: system-ui, sans-serif;
    background-color: #3a3a3a;
    overflow-x: hidden;
    overflow-y: auto;
}

    html::-webkit-scrollbar,
    body::-webkit-scrollbar {
        width: 0;
        height: 0;
    }

/* Prevent UI flash before JS decides state */
.app-hidden {
    visibility: hidden;
}

:root {
    --phone-max-width: 800px;
}

.page {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background: url("Assets/bg.png") no-repeat center center;
    background-size: cover;
    overflow-x: hidden;
}

    .page::before {
        content: "";
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 100vw;
        height: 100%;
        background: url("Assets/overlay1.png") no-repeat center top;
        background-size: cover;
        pointer-events: none;
        z-index: 1;
    }

    .page > * {
        position: relative;
        z-index: 2;
    }

.top-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 30;
}

.logo {
    height: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.accu-logo {
    width: clamp(140px, 20vw, 240px);
}

.roche-logo {
    width: clamp(72px, 10vw, 120px);
    margin-top: 20px;
    margin-right: 20px;
}

.content {
    max-width: var(--phone-max-width);
    margin: 0 auto;
    padding-top: calc(180px + env(safe-area-inset-top));
    padding-bottom: 80px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 48px;
}

.text-container,
.fingerprint-container,
.reset-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

    .text-container img {
        width: clamp(220px, 60vw, 360px);
        max-height: 12vh;
        height: auto;
    }

.fingerprint-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

@keyframes overlay-rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.fingerprint-overlay {
    display: block;
    width: 88%;
    max-width: var(--phone-max-width);
    height: auto;
    margin: 0 auto;
    pointer-events: none;
    z-index: 1;
    animation: overlay-rotate 18s linear infinite;
    transform-origin: center center;
}

@keyframes fingerprint-pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.08);
        opacity: 0.85;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fingerprint-fade-out {
    from {
        opacity: 1;
        transform: scale(1);
    }

    to {
        opacity: 0;
        transform: scale(0.92);
    }
}

.fingerprint-btn.fade-out img {
    animation: fingerprint-fade-out 1.0s ease forwards;
}

.activated-overlay-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    height: auto;
    pointer-events: none;
    z-index: 2;
}

.fingerprint-btn {
    position: absolute;
    background: none;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

    .fingerprint-btn:focus,
    .fingerprint-btn:active {
        outline: none;
        box-shadow: none;
        background-color: transparent;
    }

    .fingerprint-btn img {
        width: min(18vw, 110px);
        height: auto;
        animation: fingerprint-pulse 1.8s ease-in-out infinite;
        will-change: transform, opacity;
    }

.reset-btn {
    padding: 8px 22px;
    font-size: 14px;
    border-radius: 20px;
    border: none;
    cursor: pointer;
}

.hidden {
    display: none;
}

/* ============================= */
/* NEW: Thank You Container   */
/* (Same sizing as initialText) */
/* ============================= */

.thankyou-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

    .thankyou-container img {
        width: clamp(200px, 52vw, 320px);
        height: auto; 
        max-height: none; 
        object-fit: contain;
    }


/* Ensure thank-you text appears before product */
.thankyou-container {
    order: 1;
}

.fingerprint-container {
    order: 2;
}

.reset-container {
    order: 3;
}

@media (max-width: 440px) {
    .accu-logo {
        width: clamp(140px, 52vw, 180px);
    }

    .roche-logo {
        width: 72px;
        margin-top: 18px;
        margin-right: 18px;
    }

    .content {
        padding-top: calc(150px + env(safe-area-inset-top));
        padding-bottom: 60px;
    }

    .fingerprint-btn img {
        width: min(32vw, 96px);
    }
}

@media (orientation: portrait) {
    .fingerprint-btn img {
        width: min(16vw, 100px);
    }
}

@media (max-height: 700px) {
    .content {
        gap: 80px;
    }
}

@media (max-height: 600px) {
    .content {
        gap: 100px;
    }
}

@media (min-height: 921px) {
    .content {
        gap: 72px;
    }
}

@media (orientation: landscape) {
    .text-container img {
        width: auto;
        max-width: 70vw;
        max-height: 18vh;
    }

    .page {
        overflow-y: visible;
    }

        .page::before {
            height: 100%;
            background-size: cover;
        }
}

/* Force-hide thank-you when hidden (override cascade) */
.thankyou-container.hidden {
    display: none !important;
}

/* Production: hide reset button but preserve layout spacing */
.reset-container {
    visibility: hidden;
    pointer-events: none;
}