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

body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, #FFD1DC 0%, #FFC0CB 50%, #FFB6C1 100%);
    min-height: 100vh;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Floating Hearts Background */
.hearts-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.heart {
    position: absolute;
    width: 20px;
    height: 20px;
    background: #ff69b4;
    transform: rotate(45deg);
    opacity: 0.6;
    animation: floatUp 8s infinite;
}

.heart::before,
.heart::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: #ff69b4;
    border-radius: 50%;
}

.heart::before {
    top: -10px;
    left: 0;
}

.heart::after {
    top: 0;
    left: -10px;
}

.heart:nth-child(1) {
    left: 10%;
    animation-duration: 7s;
    animation-delay: 0s;
}

.heart:nth-child(2) {
    left: 20%;
    animation-duration: 9s;
    animation-delay: 1s;
}

.heart:nth-child(3) {
    left: 35%;
    animation-duration: 6s;
    animation-delay: 2s;
}

.heart:nth-child(4) {
    left: 50%;
    animation-duration: 8s;
    animation-delay: 0.5s;
}

.heart:nth-child(5) {
    left: 65%;
    animation-duration: 7.5s;
    animation-delay: 1.5s;
}

.heart:nth-child(6) {
    left: 75%;
    animation-duration: 8.5s;
    animation-delay: 2.5s;
}

.heart:nth-child(7) {
    left: 85%;
    animation-duration: 6.5s;
    animation-delay: 0.8s;
}

.heart:nth-child(8) {
    left: 95%;
    animation-duration: 7.8s;
    animation-delay: 1.8s;
}

@keyframes floatUp {
    0% {
        bottom: -50px;
        opacity: 0.6;
        transform: rotate(45deg) translateX(0);
    }
    50% {
        opacity: 0.8;
        transform: rotate(45deg) translateX(30px);
    }
    100% {
        bottom: 110vh;
        opacity: 0;
        transform: rotate(45deg) translateX(-30px);
    }
}

/* Hello Kitty Character */
.hello-kitty {
    position: fixed;
    top: 10%;
    right: 10%;
    z-index: 10;
    animation: floatBounce 3s ease-in-out infinite;
}

.kitty-head {
    position: relative;
    width: 100px;
    height: 100px;
}

.kitty-face {
    position: absolute;
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    top: 15px;
    left: 10px;
    border: 3px solid #333;
}

.kitty-ear {
    position: absolute;
    width: 35px;
    height: 35px;
    background: white;
    border: 3px solid #333;
    border-radius: 50% 50% 0 0;
}

.kitty-ear.left {
    top: 0;
    left: 5px;
    transform: rotate(-20deg);
}

.kitty-ear.right {
    top: 0;
    right: 5px;
    transform: rotate(20deg);
}

.kitty-eye {
    position: absolute;
    width: 8px;
    height: 12px;
    background: #333;
    border-radius: 50%;
    top: 35px;
}

.kitty-eye.left {
    left: 20px;
}

.kitty-eye.right {
    right: 20px;
}

.kitty-nose {
    position: absolute;
    width: 12px;
    height: 8px;
    background: #FFD700;
    border-radius: 50%;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
}

.kitty-whiskers {
    position: absolute;
    top: 45px;
}

.kitty-whiskers.left {
    left: -15px;
}

.kitty-whiskers.right {
    right: -15px;
}

.whisker {
    width: 20px;
    height: 2px;
    background: #333;
    margin: 5px 0;
}

.kitty-bow {
    position: absolute;
    top: 5px;
    right: -5px;
}

.bow-left,
.bow-right {
    width: 18px;
    height: 18px;
    background: #FF1493;
    border-radius: 50%;
    position: absolute;
}

.bow-left {
    left: -8px;
}

.bow-right {
    right: -8px;
}

.bow-center {
    width: 12px;
    height: 12px;
    background: #FF1493;
    border-radius: 50%;
    position: absolute;
    top: 3px;
    left: 3px;
}

@keyframes floatBounce {
    0%, 100% {
        transform: translateY(0) rotate(-5deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* Main Container */
.container {
    position: relative;
    z-index: 5;
    text-align: center;
}

.main-content {
    display: block;
}

.question {
    font-size: 3rem;
    font-weight: 800;
    color: #FF1493;
    margin-bottom: 3rem;
    text-shadow: 3px 3px 6px rgba(255, 20, 147, 0.3);
    animation: fadeIn 1s ease-in;
}

/* Buttons */
.buttons-container {
    display: flex;
    gap: 2rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.btn {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    padding: 1.2rem 3rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
    position: relative;
}

.btn-yes {
    background: linear-gradient(135deg, #FF69B4, #FF1493);
    color: white;
    transform: scale(1);
}

.btn-yes:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 20px rgba(255, 20, 147, 0.4);
}

.btn-no {
    background: linear-gradient(135deg, #FFB6C1, #FFC0CB);
    color: #FF1493;
    transform: scale(1);
}

.btn-no:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 20px rgba(255, 182, 193, 0.4);
}

.btn-no:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Shake Animation */
@keyframes shake {
    0%, 100% { transform: translateX(0) scale(1); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px) scale(1); }
    20%, 40%, 60%, 80% { transform: translateX(5px) scale(1); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* Glow Animation */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255, 20, 147, 0.8),
                    0 0 40px rgba(255, 20, 147, 0.6),
                    0 0 60px rgba(255, 20, 147, 0.4);
    }
    50% {
        box-shadow: 0 0 30px rgba(255, 20, 147, 1),
                    0 0 60px rgba(255, 20, 147, 0.8),
                    0 0 90px rgba(255, 20, 147, 0.6);
    }
}

.glow {
    animation: glow 1.5s ease-in-out infinite;
}

/* Bounce Animation */
@keyframes bounce {
    0%, 100% { transform: scale(1) translateY(0); }
    50% { transform: scale(1) translateY(-10px); }
}

.bounce {
    animation: bounce 0.5s ease-in-out infinite;
}

/* Darken Screen */
.darken {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 4;
    animation: fadeIn 0.5s ease-in;
}

/* Success Screen */
.success-screen {
    display: none;
    animation: fadeIn 1s ease-in;
}

.success-text {
    font-size: 3.5rem;
    font-weight: 800;
    color: #FF1493;
    margin-bottom: 2rem;
    text-shadow: 3px 3px 6px rgba(255, 20, 147, 0.3);
    animation: pulse 1s ease-in-out infinite;
}

.jumping-kitty {
    font-size: 5rem;
    animation: jump 0.6s ease-in-out infinite;
}

@keyframes jump {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-30px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Confetti */
.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background: #FF69B4;
    top: -10px;
    animation: confettiFall 3s linear forwards;
}

@keyframes confettiFall {
    to {
        transform: translateY(110vh) rotate(360deg);
        opacity: 0;
    }
}

/* Heart Pop Effect */
.heart-pop-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 50;
}

.heart-pop {
    position: absolute;
    font-size: 2rem;
    animation: heartPop 1s ease-out forwards;
}

@keyframes heartPop {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Bright Background */
.bright-bg {
    background: linear-gradient(135deg, #FFB6C1 0%, #FF69B4 50%, #FF1493 100%);
    transition: background 1s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
    .question {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .btn {
        font-size: 1.2rem;
        padding: 1rem 2rem;
    }

    .buttons-container {
        gap: 1.5rem;
    }

    .hello-kitty {
        top: 5%;
        right: 5%;
        transform: scale(0.7);
    }

    .success-text {
        font-size: 2rem;
    }

    .jumping-kitty {
        font-size: 3rem;
    }
}

/* Photo Upload Section */
.photo-upload-section {
    margin-top: 3rem;
    animation: fadeIn 1.5s ease-in 0.5s both;
}

.upload-title {
    font-size: 2rem;
    font-weight: 700;
    color: #FF1493;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(255, 20, 147, 0.3);
}

.upload-subtitle {
    font-size: 1.5rem;
    color: #FFFFFF;
    background: linear-gradient(135deg, #FF69B4, #FF1493);
    padding: 0.8rem 2rem;
    border-radius: 30px;
    margin-bottom: 2rem;
    font-weight: 700;
    display: inline-block;
    box-shadow: 0 5px 15px rgba(255, 20, 147, 0.4);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.upload-container {
    margin-bottom: 2rem;
}

.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(135deg, #FF69B4, #FF1493);
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 15px rgba(255, 20, 147, 0.3);
}

.upload-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 20px rgba(255, 20, 147, 0.5);
}

.upload-icon {
    font-size: 1.5rem;
}

.photo-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.photo-item {
    position: relative;
    width: 150px;
    height: 150px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(255, 20, 147, 0.3);
    animation: photoAppear 0.5s ease-in both;
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-remove {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(255, 20, 147, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.photo-remove:hover {
    background: #FF1493;
    transform: scale(1.1);
}

@keyframes photoAppear {
    from {
        opacity: 0;
        transform: scale(0.5) rotate(-10deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

/* Upload Status */
.upload-status {
    margin-top: 1.5rem;
    font-size: 1rem;
    color: #FF1493;
    font-weight: 600;
    min-height: 20px;
}

@media (max-width: 480px) {
    .question {
        font-size: 1.5rem;
        padding: 0 1rem;
    }

    .btn {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }

    .buttons-container {
        gap: 1rem;
        flex-direction: column;
    }

    .hello-kitty {
        transform: scale(0.5);
    }

    .success-text {
        font-size: 1.5rem;
        padding: 0 1rem;
    }

    .jumping-kitty {
        font-size: 2.5rem;
    }
    
    .upload-title {
        font-size: 1.5rem;
        padding: 0 1rem;
    }
    
    .upload-subtitle {
        font-size: 1.1rem;
        padding: 0.6rem 1.5rem;
        margin: 0 1rem 2rem 1rem;
    }
    
    .upload-btn {
        font-size: 1.1rem;
        padding: 0.8rem 2rem;
    }
    
    .photo-item {
        width: 120px;
        height: 120px;
    }
}