:root {
    --pink-50: #fdf2f8;
    --pink-100: #fce7f3;
    --pink-200: #fbcfe8;
    --pink-300: #f9a8d4;
    --pink-400: #f472b6;
    --pink-500: #ec4899;
    --pink-600: #db2777;
    --pink-700: #be185d;
    --rose-400: #fb7185;
    --rose-500: #f43f5e;
    --fuchsia-400: #e879f9;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px rgba(219, 39, 119, 0.15);
    --font-main: 'Quicksand', sans-serif;
    --font-cursive: 'Dancing Script', cursive;
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-main);
    font-weight: 500;
    color: var(--pink-700);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.bg-gradient {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #fdf2f8, #fce7f3 25%, #fbcfe8 50%, #fce7f3 75%, #fdf2f8);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    z-index: -3;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.bg-shapes {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--pink-300), var(--fuchsia-400));
    top: -100px;
    left: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--rose-400), var(--pink-400));
    top: 50%;
    right: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--fuchsia-400), var(--pink-500));
    bottom: -100px;
    left: 30%;
    animation-delay: -10s;
}

.shape-4 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--pink-400), var(--rose-500));
    top: 20%;
    left: 50%;
    animation-delay: -15s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(30px, -30px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }

    75% {
        transform: translate(20px, 10px) scale(1.02);
    }
}

#heartCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.sparkle-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
}

.sparkle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 6px 2px rgba(255, 255, 255, 0.8);
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {

    0%,
    100% {
        opacity: 0;
        transform: scale(0);
    }

    50% {
        opacity: 1;
        transform: scale(1);
    }
}

.music-btn {
    position: fixed;
    top: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s var(--ease-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.music-icon {
    font-size: 1.5rem;
    z-index: 2;
    transition: transform 0.3s var(--ease-bounce);
}

.music-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink-400), var(--rose-400));
    opacity: 0;
    transform: scale(0.8);
}

.music-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(219, 39, 119, 0.25);
}

.music-btn.playing .music-pulse {
    opacity: 0.3;
    animation: musicPulse 1.5s ease-in-out infinite;
}

@keyframes musicPulse {

    0%,
    100% {
        transform: scale(0.8);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.5;
    }
}

.music-btn:focus {
    outline: 3px solid var(--pink-400);
    outline-offset: 3px;
}

#app {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 10;
}

.page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(30px) scale(0.98);
    transition: all 0.6s var(--ease-smooth);
    padding: 20px;
    overflow-y: auto;
}

.page.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.page.fade-out {
    opacity: 0;
    transform: translateY(-30px) scale(0.98);
}

.page-content {
    text-align: center;
    max-width: 520px;
    width: 100%;
    padding: 20px;
    position: relative;
}

.glass-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: 32px;
    border: 1px solid var(--glass-border);
    padding: 40px 35px;
    box-shadow: var(--glass-shadow);
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(244, 114, 182, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.main-card {
    padding: 50px 40px;
}

.floating-hearts {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
}

.float-heart {
    font-size: 2rem;
    animation: floatHeart 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(219, 39, 119, 0.3));
}

.float-heart:nth-child(1) {
    animation-delay: 0s;
}

.float-heart:nth-child(2) {
    animation-delay: 0.5s;
}

.float-heart:nth-child(3) {
    animation-delay: 1s;
}

@keyframes floatHeart {

    0%,
    100% {
        transform: translateY(0) rotate(-5deg);
    }

    50% {
        transform: translateY(-15px) rotate(5deg);
    }
}

.title-main {
    font-family: var(--font-cursive);
    font-size: clamp(2.2rem, 9vw, 3.8rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--pink-600), var(--rose-500), var(--fuchsia-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    line-height: 1.2;
    animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {

    0%,
    100% {
        filter: drop-shadow(0 0 20px rgba(219, 39, 119, 0.3));
    }

    50% {
        filter: drop-shadow(0 0 30px rgba(219, 39, 119, 0.5));
    }
}

.title-cursive {
    font-family: var(--font-cursive);
    font-size: clamp(1.8rem, 7vw, 2.8rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--pink-600), var(--rose-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
}

.title-final {
    font-size: clamp(2rem, 8vw, 3.2rem);
    margin-bottom: 28px;
}

.subtitle {
    font-size: clamp(1.1rem, 4vw, 1.4rem);
    color: var(--pink-500);
    margin-bottom: 32px;
    font-weight: 600;
    opacity: 0.9;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    margin-top: 28px;
}

.btn {
    position: relative;
    padding: 16px 44px;
    font-family: var(--font-main);
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.4s var(--ease-bounce);
    min-width: 200px;
    overflow: hidden;
}

.btn-text {
    position: relative;
    z-index: 2;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.btn:hover .btn-shine {
    left: 100%;
}

.btn:focus {
    outline: 3px solid var(--pink-400);
    outline-offset: 4px;
}

.btn-yes,
.btn-primary {
    background: linear-gradient(135deg, var(--pink-500), var(--rose-500));
    color: var(--white);
    box-shadow: 0 8px 24px rgba(236, 72, 153, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-yes:hover,
.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 40px rgba(236, 72, 153, 0.5);
}

.btn-no,
.btn-ghost {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--pink-600);
    border: 2px solid var(--pink-300);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.btn-no:hover,
.btn-ghost:hover {
    background: var(--pink-100);
    border-color: var(--pink-400);
    transform: translateY(-3px);
}

.btn-small {
    padding: 12px 28px;
    font-size: 0.95rem;
    min-width: auto;
    background: transparent;
    border: none;
    color: var(--pink-500);
    text-decoration: underline;
}

.btn-small:hover {
    color: var(--pink-700);
    background: transparent;
    transform: none;
    box-shadow: none;
}

.btn-no.escaping {
    position: fixed;
    transition: all 0.3s var(--ease-bounce);
    z-index: 100;
}

.escape-text {
    margin-top: 24px;
    font-size: 1.15rem;
    color: var(--pink-600);
    font-weight: 600;
    animation: shake 0.5s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-12px);
    }

    75% {
        transform: translateX(12px);
    }
}

.btn.shake {
    animation: shake 0.5s ease;
}

.emoji-bounce {
    font-size: 3.5rem;
    margin-bottom: 16px;
    animation: emojiBounce 2s ease-in-out infinite;
}

@keyframes emojiBounce {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
    }

    25% {
        transform: scale(1.1) rotate(-10deg);
    }

    75% {
        transform: scale(1.1) rotate(10deg);
    }
}

.confirmation-box {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.2));
    border-radius: 20px;
    padding: 24px;
    margin: 20px 0;
}

.confirmation-box p {
    font-size: 1.1rem;
    color: var(--pink-600);
    margin-bottom: 16px;
}

.badge {
    display: inline-block;
    position: relative;
    background: transparent;
    padding: 16px 32px;
    font-family: var(--font-cursive);
    font-size: clamp(1.8rem, 6vw, 2.8rem) !important;
    font-weight: 700;
    background: linear-gradient(135deg, var(--pink-600), var(--rose-500), var(--fuchsia-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: badgeGlow 3s ease-in-out infinite;
    text-shadow: none;
}

.badge::before {
    content: '💕';
    position: absolute;
    left: -30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    -webkit-text-fill-color: initial;
}

.badge::after {
    content: '💕';
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    -webkit-text-fill-color: initial;
}

.badge-sparkle {
    display: none;
}

@keyframes badgeGlow {

    0%,
    100% {
        filter: drop-shadow(0 0 8px rgba(236, 72, 153, 0.4));
        transform: scale(1);
    }

    50% {
        filter: drop-shadow(0 0 20px rgba(236, 72, 153, 0.6));
        transform: scale(1.05);
    }
}

@keyframes badgeShine {

    0%,
    100% {
        left: -100%;
    }

    50% {
        left: 150%;
    }
}

.flower-page {
    position: relative;
}

.falling-petals {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.petal {
    position: absolute;
    background: linear-gradient(135deg, var(--pink-300), var(--pink-400));
    border-radius: 50% 0 50% 50%;
    opacity: 0.7;
    animation: petalFall linear infinite;
}

@keyframes petalFall {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.7;
    }

    90% {
        opacity: 0.7;
    }

    100% {
        transform: translateY(100vh) rotate(720deg) translateX(100px);
        opacity: 0;
    }
}

.bouquet-wrapper {
    position: relative;
    margin: 30px 0;
    display: flex;
    justify-content: center;
}

.bouquet-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: bouquetGlow 3s ease-in-out infinite;
}

@keyframes bouquetGlow {

    0%,
    100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.bouquet {
    transition: all 0.5s var(--ease-bounce);
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.bouquet-svg,
.bouquet-img {
    width: 280px;
    height: auto;
    filter: drop-shadow(0 16px 32px rgba(236, 72, 153, 0.3));
    animation: bouquetSway 4s ease-in-out infinite;
}

.bouquet-img {
    max-width: 320px;
    width: 100%;
}

@keyframes bouquetSway {

    0%,
    100% {
        transform: rotate(-3deg);
    }

    50% {
        transform: rotate(3deg);
    }
}

.bouquet.bounce {
    animation: bouquetBounce 0.8s var(--ease-bounce);
}

@keyframes bouquetBounce {

    0%,
    100% {
        transform: scale(1);
    }

    25% {
        transform: scale(1.15) rotate(-8deg);
    }

    50% {
        transform: scale(0.9) rotate(8deg);
    }

    75% {
        transform: scale(1.08);
    }
}

.bouquet-message {
    font-size: 1.3rem;
    color: var(--pink-600);
    font-weight: 700;
    margin-top: 20px;
    animation: fadeInUp 0.6s var(--ease-smooth);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.collage-card {
    padding: 35px 30px;
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 24px 0;
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
}

.photo-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 20px;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 8px 24px rgba(236, 72, 153, 0.15);
    transition: all 0.4s var(--ease-smooth);
    animation: photoEntrance 0.8s var(--ease-bounce) backwards;
}

.photo-item:nth-child(1) {
    animation: photoEntrance 0.8s var(--ease-bounce) backwards, photoFloat 3s ease-in-out infinite;
    animation-delay: 0.1s, 0s;
}

.photo-item:nth-child(2) {
    animation: photoEntrance 0.8s var(--ease-bounce) backwards, photoFloat 3.5s ease-in-out infinite;
    animation-delay: 0.2s, 0.5s;
}

.photo-item:nth-child(3) {
    animation: photoEntrance 0.8s var(--ease-bounce) backwards, photoFloat 4s ease-in-out infinite;
    animation-delay: 0.3s, 1s;
}

.photo-item:nth-child(4) {
    animation: photoEntrance 0.8s var(--ease-bounce) backwards, photoFloat 3.2s ease-in-out infinite;
    animation-delay: 0.4s, 1.5s;
}

@keyframes photoEntrance {
    from {
        opacity: 0;
        transform: scale(0.5) rotate(-10deg);
    }

    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

@keyframes photoFloat {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-8px) rotate(2deg);
    }
}

.photo-item:hover {
    transform: scale(1.08) rotate(2deg);
    box-shadow: 0 20px 50px rgba(236, 72, 153, 0.35);
}

.photo-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, transparent 50%, rgba(236, 72, 153, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.photo-item:hover::after {
    opacity: 1;
}

.photo-preview {
    transition: transform 0.5s var(--ease-smooth);
}

.photo-item:hover .photo-preview {
    transform: scale(1.1);
}

.photo-input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
    top: 0;
    left: 0;
}

.photo-label {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--pink-50), var(--pink-100));
    border: 3px dashed var(--pink-300);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
}

.photo-label:hover {
    background: var(--pink-100);
    border-color: var(--pink-400);
    border-style: solid;
}

.photo-placeholder-icon {
    width: 48px;
    height: 48px;
    color: var(--pink-400);
    transition: all 0.3s ease;
}

.photo-label:hover .photo-placeholder-icon {
    transform: scale(1.1);
    color: var(--pink-500);
}

.photo-text {
    font-size: 0.9rem;
    color: var(--pink-500);
    font-weight: 600;
}

.photo-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.caption {
    font-size: 1.1rem;
    color: var(--pink-500);
    margin-bottom: 20px;
    font-style: italic;
    font-weight: 600;
}

.collage-subtitle {
    font-size: 1.15rem;
    color: var(--pink-500);
    margin-bottom: 20px;
    font-weight: 500;
    opacity: 0.9;
}

.collage-quote {
    font-size: 1.05rem;
    color: var(--pink-600);
    font-style: italic;
    font-weight: 600;
    margin: 20px 0 24px;
    padding: 16px 24px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.2));
    border-radius: 16px;
    border-left: 3px solid var(--pink-400);
    position: relative;
}

.collage-quote::before {
    content: '💭';
    position: absolute;
    top: -12px;
    left: 12px;
    font-size: 1.2rem;
}

.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 50;
    overflow: hidden;
}

.confetti-heart {
    position: absolute;
    animation: confettiFall 4s linear forwards;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

@keyframes confettiFall {
    0% {
        transform: translateY(-100px) rotate(0deg) scale(0);
        opacity: 1;
    }

    10% {
        transform: translateY(0) rotate(45deg) scale(1);
        opacity: 1;
    }

    100% {
        transform: translateY(100vh) rotate(1080deg) scale(0.5);
        opacity: 0;
    }
}

.final-card {
    padding: 45px 35px;
}

.final-emoji {
    font-size: 4rem;
    margin-bottom: 16px;
    animation: heartPump 1.5s ease-in-out infinite;
}

@keyframes heartPump {

    0%,
    100% {
        transform: scale(1);
    }

    25% {
        transform: scale(1.15);
    }

    50% {
        transform: scale(1);
    }

    75% {
        transform: scale(1.1);
    }
}

.message-box {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.3));
    border-radius: 24px;
    padding: 28px 24px;
    margin: 24px 0;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.message-decoration {
    position: absolute;
    font-size: 1.5rem;
    top: 8px;
    left: 16px;
    opacity: 0.5;
    animation: twinkle 2s ease-in-out infinite;
}

.message-decoration.right {
    left: auto;
    right: 16px;
    top: auto;
    bottom: 8px;
    animation-delay: 1s;
}

@keyframes twinkle {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 0.7;
        transform: scale(1.2);
    }
}

.message-box p {
    font-size: 1.35rem;
    line-height: 1.9;
    color: var(--pink-700);
    text-align: center;
}

.final-buttons {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.copy-notif {
    margin-top: 16px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--pink-500), var(--rose-500));
    color: white;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    display: inline-block;
    animation: popIn 0.4s var(--ease-bounce);
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(10px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.cursor-heart {
    position: absolute;
    pointer-events: none;
    z-index: 9999;
    animation: cursorHeartFloat 1s ease-out forwards;
    transform: translate(-50%, -50%);
}

@keyframes cursorHeartFloat {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1) rotate(0deg);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -100px) scale(0.5) rotate(20deg);
    }
}

.hidden {
    display: none !important;
}

@media (max-width: 480px) {
    .glass-card {
        padding: 32px 24px;
        border-radius: 28px;
    }

    .main-card {
        padding: 40px 28px;
    }

    .btn {
        padding: 14px 36px;
        font-size: 1rem;
        min-width: 180px;
    }

    .badge {
        padding: 14px 32px;
        font-size: 1.2rem;
    }

    .bouquet-svg {
        width: 160px;
    }

    .photo-grid {
        gap: 12px;
        max-width: 300px;
    }

    .music-btn {
        width: 48px;
        height: 48px;
        top: 16px;
        right: 16px;
    }

    .music-icon {
        font-size: 1.3rem;
    }

    .final-buttons {
        flex-direction: column;
    }

    .message-box p {
        font-size: 0.95rem;
    }

    .floating-hearts {
        top: -50px;
    }

    .float-heart {
        font-size: 1.6rem;
    }

    .shape {
        filter: blur(40px);
    }

    .shape-1 {
        width: 250px;
        height: 250px;
    }

    .shape-2 {
        width: 200px;
        height: 200px;
    }

    .shape-3 {
        width: 220px;
        height: 220px;
    }

    .shape-4 {
        width: 180px;
        height: 180px;
    }
}

@media (min-width: 768px) {
    .button-group {
        flex-direction: row;
        justify-content: center;
    }

    .photo-grid {
        max-width: 420px;
        gap: 20px;
    }

    .bouquet-svg {
        width: 220px;
    }

    .glass-card {
        padding: 48px 44px;
    }
}

@media (min-width: 1024px) {
    .page-content {
        max-width: 580px;
    }

    .glass-card {
        padding: 45px 40px;
        border-radius: 32px;
    }

    .main-card {
        padding: 50px 45px;
    }

    .title-main {
        font-size: 3.2rem;
    }

    .title-cursive {
        font-size: 2.4rem;
    }

    .title-final {
        font-size: 2.8rem;
    }

    .subtitle {
        font-size: 1.3rem;
    }

    .btn {
        padding: 16px 44px;
        font-size: 1.1rem;
        min-width: 200px;
    }

    .emoji-bounce {
        font-size: 3.5rem;
    }

    .badge {
        font-size: 1.5rem;
        padding: 16px 40px;
    }

    .confirmation-box {
        padding: 24px;
    }

    .confirmation-box p {
        font-size: 1.1rem;
    }

    .photo-grid {
        max-width: 400px;
        gap: 18px;
    }

    .collage-card {
        padding: 35px 30px;
    }

    .bouquet-svg,
    .bouquet-img {
        width: 280px;
        max-width: 320px;
    }

    .bouquet-message {
        font-size: 1.3rem;
    }

    .message-box p {
        font-size: 1.1rem;
    }

    .final-emoji {
        font-size: 4rem;
    }

    .caption {
        font-size: 1.1rem;
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

.btn:focus-visible,
.music-btn:focus-visible {
    outline: 3px solid var(--pink-500);
    outline-offset: 4px;
}

.envelope-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.envelope-wrapper:hover .envelope {
    transform: scale(1.05);
}

.envelope-wrapper.fade-out {
    opacity: 0;
    transform: scale(0.9);
    pointer-events: none;
}

.envelope-wrapper.hidden {
    display: none;
}

.envelope-container {
    position: relative;
}

.envelope {
    position: relative;
    width: 260px;
    height: 180px;
    transition: transform 0.3s ease;
}

.envelope-back {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #f472b6, #ec4899);
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(236, 72, 153, 0.35);
}

.envelope-front {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 65%;
    background: linear-gradient(180deg, #fdf2f8, #fce7f3);
    border-radius: 0 0 8px 8px;
    z-index: 2;
    border-top: 2px solid #f9a8d4;
}

.envelope-front::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    border-left: 130px solid transparent;
    border-right: 130px solid transparent;
    border-top: 60px solid #fbcfe8;
    box-sizing: border-box;
}

.envelope-flap {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border-left: 130px solid transparent;
    border-right: 130px solid transparent;
    border-top: 90px solid #fce7f3;
    transform-origin: top center;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 3;
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.1));
}

.envelope.opened .envelope-flap {
    transform: rotateX(180deg);
    z-index: 0;
}

.letter {
    position: absolute;
    top: 20%;
    left: 10%;
    width: 80%;
    height: 75%;
    background: linear-gradient(135deg, #ffffff, #fff5f8);
    border-radius: 6px;
    z-index: 1;
    transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.letter-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.letter-heart {
    font-size: 2.5rem;
    animation: letterHeartPulse 1.5s ease-in-out infinite;
}

.letter-text {
    font-family: var(--font-cursive);
    font-size: 1.3rem;
    color: var(--pink-600);
    font-weight: 600;
}

@keyframes letterHeartPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.envelope.opened .letter {
    transform: translateY(-120px) scale(1.1);
}

.envelope.letter-exit .letter {
    transform: translateY(-200px) scale(0.8);
    opacity: 0;
}

.envelope-hint {
    margin-top: 28px;
    font-size: 1.1rem;
    color: var(--pink-500);
    font-weight: 600;
    animation: hintPulse 2s ease-in-out infinite;
    transition: opacity 0.3s ease;
}

.envelope-hint.fade {
    opacity: 0;
}

@keyframes hintPulse {

    0%,
    100% {
        opacity: 0.6;
        transform: translateY(0);
    }

    50% {
        opacity: 1;
        transform: translateY(-3px);
    }
}

.final-card.reveal {
    animation: revealFromLetter 0.9s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes revealFromLetter {
    0% {
        opacity: 0;
        transform: translateY(-50px) scale(0.85);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (min-width: 768px) {
    .envelope {
        width: 320px;
        height: 220px;
    }

    .envelope-flap {
        border-left: 160px solid transparent;
        border-right: 160px solid transparent;
        border-top: 110px solid #fce7f3;
    }

    .envelope-front::before {
        border-left: 160px solid transparent;
        border-right: 160px solid transparent;
        border-top: 70px solid #fbcfe8;
    }

    .letter-heart {
        font-size: 3rem;
    }

    .letter-text {
        font-size: 1.5rem;
    }

    .envelope-hint {
        font-size: 1.3rem;
        margin-top: 32px;
    }

    .envelope.opened .letter {
        transform: translateY(-160px) scale(1.15);
    }
}