* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

html {
    width: 100%;
    height: 100%;
    background: #cf9b56;
    overflow-x: hidden; /* Prevent horizontal scrollbar */
    overflow-y: auto; /* Allow vertical scrolling if content is longer */
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(180deg, #FCFBF7 0%, #CF9A55 100%);
    color: #8B6F47;
    width: 100vw;
    min-height: 100vh; /* Allow body to grow taller than viewport */
    position: relative;
    overflow-x: hidden; /* Prevent horizontal scrollbar */
    overflow-y: auto; /* Allow vertical scrolling if content is longer */
    opacity: 1;
    transition: none; /* Background stays visible, no fade */
}

/* Snowflakes wrapper - centered with max-width 1920px */
.snowflakes-wrapper {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1920px;
    height: 100vh;
    z-index: 1;
    pointer-events: none;
}

/* Repeating pattern for screens wider than 1920px */
/* Repeats snowflake-center-1 (384px × 72px) without overlap */
.snowflakes-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 100%;
    width: calc(100vw - 1920px);
    height: calc(72.62109375px * min(100vw / 1920px, 1));
    background-image: url('assets/snowflakes.png');
    background-repeat: repeat-x;
    background-size: calc(384.0751953125px * min(100vw / 1920px, 1)) auto;
    background-position: bottom left;
    pointer-events: none;
    display: block;
}

.snowflakes-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    right: calc(100% + 66.075195px * min(100vw / 1920px, 1));
    width: calc(100vw - 1920px);
    height: calc(72.62109375px * min(100vw / 1920px, 1));
    background-image: url('assets/snowflakes.png');
    background-repeat: repeat-x;
    background-size: calc(384.0751953125px * min(100vw / 1920px, 1)) auto;
    background-position: bottom left;
    pointer-events: none;
    display: block;
}

/* Single snowflake decoration in top corner */
.snowflake-corner {
    position: absolute;
    top: calc(-90px * min(100vw / 1920px, 1));
    left: calc(-90px * min(100vw / 1920px, 1));
    width: calc(402.9538269042969px * min(100vw / 1920px, 1));
    height: calc(442.1962890625px * min(100vw / 1920px, 1));
    background-image: url('assets/snowflakes.png');
    background-repeat: no-repeat;
    background-size: contain;
    background-position: top left;
    opacity: 1;
    transform: rotate(0deg);
}

/* Media query for 1366x768 and smaller */
@media (max-width: 1825px) {
    .snowflake-corner {
        top: calc(-175px * min(100vw / 1920px, 1));
    }
}

/* Media query for 900px and under */
@media (max-width: 900px) {
    .snowflake-corner {
        top: calc(-125px * min(100vw / 1920px, 1));
    }
}

/* Snowflake decorations in top center - scalable and positioned relative to wrapper */
.snowflake-center {
    position: absolute;
    top: 0;
    background-image: url('assets/snowflakes.png');
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-position: bottom left;
    opacity: 1;
    transform: rotate(0deg);
}

.snowflake-center-1 {
    left: calc(281.7px * min(100vw / 1920px, 1));
    width: calc(384.0751953125px * min(100vw / 1920px, 1));
    height: calc(72.62109375px * min(100vw / 1920px, 1));
}

.snowflake-center-2 {
    left: calc((233.7px + 384.0751953125px) * min(100vw / 1920px, 1));
    height: calc(290px * min(100vw / 1920px, 1));
    width: calc(400px * min(100vw / 1920px, 1));
    transform: rotate(170deg);
    top: calc(-191px * min(100vw / 1920px, 1));
}

.snowflake-center-3 {
    left: calc((243px + 384.0751953125px * 2) * min(100vw / 1920px, 1));
    height: calc(120px * min(100vw / 1920px, 1));
    width: calc(400px * min(100vw / 1920px, 1));
}

.snowflake-center-4 {
    left: calc((201.7px + 384.0751953125px * 2 + 400px) * min(100vw / 1920px, 1));
    height: calc(210px * min(100vw / 1920px, 1));
    width: calc(400px * min(100vw / 1920px, 1));
}

.snowflake-center-5 {
    left: calc((171.7px + 384.0751953125px * 2 + 400px * 2) * min(100vw / 1920px, 1));
    height: calc(230px * min(100vw / 1920px, 1));
    width: calc(400px * min(100vw / 1920px, 1));
}

/* Container */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 80px 40px 20px;
    position: relative;
    z-index: 2;
    box-sizing: border-box;
}

/* Header */
.header {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    margin-left: 10%;
    flex-wrap: wrap;
}

.logo-container {
    flex-shrink: 0;
}

.logo {
    height: 55px;
    width: auto;
}

.title-container {
    flex: 1;
    min-width: 300px;
    margin-left: 30px;
}

.main-title {
    font-family: 'Roboto', sans-serif;
    font-size: 30px;
    font-weight: 600;
    font-style: normal;
    color: #CB8B47;
    margin-bottom: 10px;
    line-height: 28px;
    letter-spacing: 0;
}

.subtitle {
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    font-weight: 400;
    font-style: normal;
    color: #4A4A49;
    line-height: 28px;
    letter-spacing: 0;
}

/* Main content area */
.main-content {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    align-content: center;
    flex-wrap: wrap;
    justify-content: center;
}

/* Values panel wrapper */
.values-panel-wrapper {
    display: flex;
    flex-direction: column;
    width: 480px;
}

/* Tree container - 15% taller than values panel */
.tree-container {
    flex: 1;
    min-width: 500px;
    position: relative;
    background-color: transparent;
    border-radius: 8px;
    min-height: 690px;
    margin-top: -60px;
    z-index: 1;
}

.tree-svg-container {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 1;
    user-select: none;
    pointer-events: none;
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    opacity: 1;
    transition: none; /* Tree stays visible, no fade */
}

.tree-svg-container object {
    width: 100%;
    height: auto;
    display: block;
    pointer-events: none;
}

.tree-svg-completed {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0; /* Hidden initially, will be made visible during crossfade */
    z-index: 2;
    pointer-events: none;
    width: 100%;
    height: auto;
    display: block;
}

/* Twinkling stars animation */
.twinkling-star {
    position: absolute;
    width: 8px;
    height: 8px;
    pointer-events: none;
    z-index: 5;
    opacity: 0;
    will-change: opacity, transform;
    transition: opacity 0.33s ease-in-out !important; /* 1.5x faster: 0.5s / 1.5 = 0.33s fade animation - inline styles will override */
    /* Glow effect that traces the SVG shape */
    filter: drop-shadow(0 0 3px rgba(255, 255, 255, 0.8)) 
            drop-shadow(0 0 6px rgba(255, 255, 255, 0.6))
            drop-shadow(0 0 9px rgba(255, 255, 255, 0.4));
}

/* Pulse animation - only applied when star is visible */
/* Duration is set dynamically per star (1s to 3s) */
.twinkling-star.pulsing {
    animation: twinkle ease-in-out; /* Duration set via inline style */
    transition: opacity 0.01s linear !important; /* Very fast transition - inline style will override */
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* Values panel */
.values-panel {
    width: 480px;
    background-color: transparent;
    border: 1px solid rgba(223, 210, 193, 0.6);
    border-radius: 12px;
    padding: 30px;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
    z-index: 10;
    min-height: 612px;
}

/* When thank you box replaces values panel */
.values-panel.has-thank-you {
    border: none;
    padding: 0px;
    background-color: transparent;
    overflow: visible;
    border-radius: 12px;
    margin-bottom: 30px;
}

    .values-panel.has-thank-you .thank-you-box {
        width: 100%;
        min-height: 612px;
        margin: 0;
        border-radius: 12px;
    }

.values-title {
    font-family: 'Roboto', sans-serif;
    font-size: 30px;
    font-weight: 300;
    font-style: normal;
    color: #CB8B47;
    margin-bottom: 25px;
    line-height: 30px;
    letter-spacing: 0;
    text-align: center;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 30px;
    width: 100%;
    box-sizing: border-box;
}

.value-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    transition: transform 0.2s, opacity 0.2s;
    padding: 12px 15px;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(247, 212, 122, 0.2) 0%, rgba(212, 137, 47, 0.2) 100%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    width: 100%;
    box-sizing: border-box;
    min-height: 60px;
    position: relative;
    cursor: default;
}

.value-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, #F7D47A 0%, #D4892F 100%);
    opacity: 0.2;
    border-radius: 12px;
    z-index: 0;
    pointer-events: none;
}

.value-item > * {
    position: relative;
    z-index: 1;
}

.value-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}


.value-item.dragging {
    opacity: 0.5;
}

.value-item.placed {
    opacity: 0.3 !important;
    cursor: not-allowed !important;
    pointer-events: none !important;
}

/* Ornament styling */
.ornament {
    position: relative;
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    cursor: grab;
}

.ornament:active {
    cursor: grabbing;
}

.ornament-bauble {
    width: 50px;
    height: 50px;
    background-image: url('assets/decoration-base.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.value-icon {
    margin-top: 4px;
    width: 24px;
    height: 24px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    position: relative;
    z-index: 1;
    transition: filter 0.3s ease;
}

.value-item:hover .value-icon {
    filter: brightness(0) invert(1) drop-shadow(0 0 6px rgba(255, 255, 255, 0.9)) drop-shadow(0 0 10px rgba(255, 255, 255, 0.7));
}

.value-label {
    font-family: 'Roboto', sans-serif;
    font-size: 0.95rem;
    color: #4A4A4A;
    text-align: left;
    font-weight: 400;
    flex: 0 1 auto;
    white-space: normal;
    word-wrap: break-word;
}

/* Instructions */
.instructions {
    margin-bottom: 25px;
    padding-top: 20px;
}

.instruction-text {
    font-family: Roboto;
    font-weight: 400;
    font-style: normal;
    font-size: 18px;
    line-height: 24px;
    letter-spacing: 0%;
    text-align: center;
    color: #A46817;
    margin-bottom: 15px;
}

.description-text {
    font-family: Roboto;
    font-weight: 400;
    font-style: normal;
    font-size: 15px;
    line-height: 20px;
    letter-spacing: 0%;
    text-align: center;
    color: #4A4A49;
}

/* Action buttons */
.action-buttons {
    display: flex;
    gap: 15px;
    margin: 0 4rem;
}

.btn {
    flex: 1;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-family: Roboto;
    font-weight: 500;
    font-style: normal;
    font-size: 14px;
    line-height: 10px;
    letter-spacing: 0%;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-restart {
    background-color: #A46817;
    color: white;
}

.btn-restart:hover {
    background-color: #8B5614;
}

.btn-finish {
    background-color: #FFFFFF;
    color: #A46817;
    border: none;
}

.btn-finish:hover:not(:disabled) {
    background-color: #F5F5F5;
}

.btn-finish:disabled {
    background-color: #F5F5F5;
    color: #B0B0B0;
    border: none;
    cursor: not-allowed;
    opacity: 0.5;
}

/* Placed decoration on tree */
.tree-decoration {
    position: absolute;
    width: 60px;
    height: 60px;
    z-index: 10;
    cursor: default;
    transition: transform 0.2s, opacity 0.5s ease;
    opacity: 1; /* Default visible */
}

.tree-decoration:hover {
    transform: scale(1.1);
}

.tree-decoration .ornament {
    cursor: default;
}

.tree-decoration .ornament-bauble,
.tree-decoration .value-icon {
    pointer-events: none;
}

.tree-decoration .ornament {
    width: 60px;
    height: 60px;
}

.tree-decoration .ornament-bauble {
    width: 100%;
    height: 100%;
    background-size: contain;
}

.tree-decoration .value-icon {
    width: 30px;
    height: 30px;
}

/* Thank you box (replaces values panel) */
.thank-you-box {
    position: relative;
    background-color: #7A4F0F;
    border-radius: 12px;
    padding: 60px 50px;
    width: 100%;
    min-height: 612px;
    box-shadow: 0px 10px 30px 0px #FFFFFFB2;
    box-sizing: border-box;
    z-index: 20;
    overflow: hidden;
}

.thank-you-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: calc(100% + 100px);
    background-image: url('assets/thank-you-bg.jpg');
    background-size: cover;
    background-position: top -83px right 13%;
    background-repeat: no-repeat;
    opacity: 0.8;
    mix-blend-mode: screen;
    pointer-events: none;
    border-radius: 12px;
    z-index: 1;
}

.thank-you-bg-overlay::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(to bottom, transparent, #7A4F0F);
    pointer-events: none;
    z-index: 1;
}

.thank-you-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    border: 2px solid;
    background: transparent padding-box,
                linear-gradient(180deg, #FFFFFF 0%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0.7) 100%) border-box;
    pointer-events: none;
    z-index: 2;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.thank-you-text {
    position: relative;
    z-index: 2;
    color: #E0E0E0;
    text-align: left;
    font-family: 'Roboto', sans-serif;
    margin-top: 55px;
}

.thank-you-message {
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    font-style: normal;
    font-size: 30px;
    line-height: 42px;
    letter-spacing: 0;
    margin-bottom: 42px;
    color: #FFFFFF;
}

.thank-you-wish {
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    font-style: normal;
    font-size: 30px;
    line-height: 42px;
    letter-spacing: 0;
    margin-bottom: 42px;
    color: #FFFFFF;
}

.thank-you-signature {
    font-family: 'Roboto', sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 15px;
    line-height: 42px;
    letter-spacing: 0;
    color: #FFFFFF;
}

/* Restart button in thank you box */
.thank-you-box .btn-restart {
    margin-top: 30px;
    width: 100%;
}

.btn-restart-thank-you {
    margin-top: 0;
    width: fit-content;
    margin: 0 auto;
}

/* Responsive design */
@media (max-width: 1200px) {
    .main-content {
        flex-direction: column;
        width: 90%; /* Make 90% width */
        margin: 0 auto; /* Center the content */
    }

    .values-panel-wrapper {
        margin: 0 auto; /* Center the values panel wrapper */
        width: 100%;
    }

    .values-panel {
        width: 100%;
        max-width: none;
        min-height: unset; /* Make min-height dynamic, not fixed */
    }

    .values-panel.has-thank-you .thank-you-box {
        min-height: unset; /* Make min-height dynamic for mobile */
    }

    .tree-container {
        width: 100%;
        min-width: auto;
        min-height: unset; /* Unset min-height */
    }

    /* Hide instructions section */
    .instructions {
        display: none;
    }

    .thank-you-text {
        text-align: center;
    }
}

/* Instruction popup */
.instruction-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.1); /* Light background */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0.9; /* 90% opacity */
}

.instruction-popup.hidden {
    display: none;
}

@media (min-width: 1201px) {
    .instruction-popup {
        display: none !important; /* Always hidden on larger screens */
    }
}

.popup-content {
    background-color: #FCFBF7;
    border: 1px solid rgba(223, 210, 193, 0.6);
    border-radius: 12px;
    padding: 40px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.popup-text {
    font-family: Roboto;
    font-weight: 400;
    font-size: 18px;
    line-height: 24px;
    color: #A46817;
    margin-bottom: 15px;
}

.popup-description {
    font-family: Roboto;
    font-weight: 300;
    font-size: 16px;
    line-height: 22px;
    color: #4A4A49;
    margin-bottom: 30px;
}

.btn-understood {
    background-color: #CB8B47;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-understood:hover {
    background-color: #A46817;
}

@media (max-width: 768px) {
    .container {
        padding: 100px 0 20px;
    }

    .main-title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .values-panel {
        padding: 20px;
    }

    .thank-you-content {
        padding: 40px 20px;
        margin: 20px;
    }

    .thank-you-message {
        font-size: 1.2rem;
    }

    .thank-you-wish {
        font-size: 1.4rem;
    }
}

@media (max-width: 709px) {
    .container {
        padding: 18px 0 20px;
    }

    .header {
        justify-content: center;
        margin-left: 0;
        margin-top: 2rem;
        flex-direction: column;
        align-items: center;
    }

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

    .title-container {
        margin-left: 0;
        text-align: center;
        width: 100%;
        flex: none;
    }

    .main-title {
        text-align: center;
    }

    .subtitle {
        text-align: center;
        padding: 0 5px;
        margin-bottom: 20px;
    }

    .value-label {
        text-align: center;
    }
}

@media (max-width: 525px) {
    .value-item {
        gap: 6px;
        padding: 12px 8px;
    }

    .value-item .ornament {
        width: 35px;
        height: 35px;
    }

    .value-item .ornament-bauble {
        width: 35px;
        height: 35px;
    }

    .value-icon {
        width: 19.2px;
        height: 19.2px;
    }

    .tree-decoration {
        width: 35px;
        height: 35px;
    }

    .tree-decoration .ornament {
        width: 35px;
        height: 35px;
    }

    .tree-decoration .value-icon {
        width: 17.5px;
        height: 17.5px;
    }

    .action-buttons {
        margin: 0;
    }
}

@media (max-width: 400px) {
    .value-label {
        font-size: 0.80rem;
    }
}

@media (max-width: 430px) {
    .container {
        padding: 18px 0 20px;
    }

    .header {
        margin: 2rem 0 50px 0;
        gap: 10px;
    }

    .title-container {
        margin: 0;
    }

    .value-item {
        padding: 12px 12px;
    }

    .values-panel {
        padding: 7px;
    }

    .values-panel-wrapper {
        background: none;
    }

    .thank-you-box {
        opacity: 1;
    }

    .thank-you-bg-overlay {
        opacity: 0.8;
    }

    .thank-you-text {
        opacity: 1;
        transform: none;
    }

    .btn-restart-thank-you {
        display: block;
    }
}

@media (min-width: 435px) and (max-width: 768px) {
    .snowflake-corner {
        top: calc(-55px * min(100vw / 1920px, 1));
    }

    .snowflake-center-1 {
        height: calc(212.621094px * min(100vw / 1920px, 1));
    }

    .snowflake-center-2 {
        left: calc((263.7px + 384.0751953125px) * min(100vw / 1920px, 1));
        top: calc(-71px * min(100vw / 1920px, 1));
    }
}

@media (max-width: 425px) {
    .header {
        justify-content: center !important;
        margin: 2rem 0 50px 0 !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .logo-container {
        display: flex !important;
        justify-content: center !important;
        width: 100% !important;
        flex-shrink: 1 !important;
        margin: 0 !important;
    }

    .logo {
        margin: 0 auto !important;
    }

    .title-container {
        margin: 0 !important;
        text-align: center !important;
        width: 100% !important;
        flex: none !important;
        min-width: auto !important;
    }

    .main-title {
        text-align: center !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .subtitle {
        text-align: center !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 0 5px !important;
    }
}

@media (max-width: 435px) {
    .snowflake-corner {
        left: -37px;
    }

    .snowflake-center-1 {
        left: calc(191.7px * min(100vw / 1920px, 1));
        width: calc(384.0751953125px * min(100vw / 1920px, 1));
        height: calc(162.621094px * min(100vw / 1920px, 1));
    }

    .snowflake-center-2 {
        left: calc((173.7px + 384.0751953125px) * min(100vw / 1920px, 1));
        height: calc(290px * min(100vw / 1920px, 1));
        width: calc(400px * min(100vw / 1920px, 1));
        transform: rotate(170deg);
        top: calc(-111px * min(100vw / 1920px, 1));
    }

    .snowflake-center-3 {
        left: calc((163px + 384.0751953125px * 2) * min(100vw / 1920px, 1));
        height: calc(164px * min(100vw / 1920px, 1));
        width: calc(530px * min(100vw / 1920px, 1));
    }

    .snowflake-center-4 {
        left: calc((201.7px + 384.0751953125px * 2 + 400px) * min(100vw / 1920px, 1));
        height: calc(220px * min(100vw / 1920px, 1));
        width: calc(651px * min(100vw / 1920px, 1));
    }

    .snowflake-center-5 {
        display: none;
    }
}

@media (max-width: 320px) {
    .main-content {
        width: 100%;
    }

    .snowflake-center-4 {
        top: -11px;
    }
}

/* Mute toggle button */
.mute-toggle-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #A46817;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all 0.3s ease;
}

.mute-toggle-btn:hover {
    transform: scale(1.1);
    opacity: 0.8;
}

.mute-toggle-btn:active {
    transform: scale(0.95);
}

.mute-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    user-select: none;
}

.mute-icon img {
    width: 24px;
    height: 24px;
    display: block;
}

@media (max-width: 768px) {
    .mute-toggle-btn {
        width: 45px;
        height: 45px;
        bottom: 15px;
        right: 15px;
    }
    
    .mute-icon img {
        width: 20px;
        height: 20px;
    }
}