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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #ff6b9d 0%, #ff8a80 25%, #ff6b9d 50%, #c44569 75%, #ff6b9d 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Background Photo Collage */
.bg-carousel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 15px;
    padding: 15px;
}

.bg-slide {
    position: relative;
    width: calc(25% - 15px);
    height: calc(33.33% - 15px);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 107, 157, 0.2);
    opacity: 0;
    transform: scale(0.8) rotate(0deg);
    transition: all 0.8s ease-in-out;
    border: 4px solid white;
    animation-play-state: paused;
}

.bg-slide.active {
    opacity: 1;
    transform: scale(1) rotate(var(--rotation, 0deg));
    animation: floatPhoto var(--float-duration, 6s) ease-in-out infinite;
    animation-delay: var(--float-delay, 0s);
}

/* Floating animation for photos */
@keyframes floatPhoto {
    0%, 100% {
        transform: translateY(0) rotate(var(--rotation, 0deg)) scale(1);
    }
    50% {
        transform: translateY(var(--float-amount, -8px)) rotate(var(--rotation, 0deg)) scale(1.02);
    }
}

/* Highlight/shimmer effect */
.bg-slide::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shimmer var(--shimmer-duration, 8s) ease-in-out infinite;
    animation-delay: var(--shimmer-delay, 0s);
}

@keyframes shimmer {
    0%, 100% { left: -100%; }
    50% { left: 150%; }
}

.bg-slide:nth-child(1) { --rotation: -3deg; --float-duration: 5s; --float-delay: 0s; --float-amount: -10px; --shimmer-delay: 0s; --shimmer-duration: 7s; }
.bg-slide:nth-child(2) { --rotation: 2deg; --float-duration: 6s; --float-delay: 0.5s; --float-amount: -6px; --shimmer-delay: 1s; --shimmer-duration: 9s; }
.bg-slide:nth-child(3) { --rotation: -2deg; --float-duration: 5.5s; --float-delay: 1s; --float-amount: -8px; --shimmer-delay: 2s; --shimmer-duration: 8s; }
.bg-slide:nth-child(4) { --rotation: 4deg; --float-duration: 7s; --float-delay: 1.5s; --float-amount: -7px; --shimmer-delay: 0.5s; --shimmer-duration: 10s; }
.bg-slide:nth-child(5) { --rotation: -4deg; --float-duration: 6.5s; --float-delay: 0.3s; --float-amount: -9px; --shimmer-delay: 3s; --shimmer-duration: 7.5s; }
.bg-slide:nth-child(6) { --rotation: 1deg; --float-duration: 5s; --float-delay: 0.8s; --float-amount: -5px; --shimmer-delay: 1.5s; --shimmer-duration: 8.5s; }
.bg-slide:nth-child(7) { --rotation: -1deg; --float-duration: 6s; --float-delay: 1.2s; --float-amount: -11px; --shimmer-delay: 2.5s; --shimmer-duration: 9.5s; }
.bg-slide:nth-child(8) { --rotation: 3deg; --float-duration: 5.8s; --float-delay: 0.6s; --float-amount: -6px; --shimmer-delay: 0.8s; --shimmer-duration: 7s; }
.bg-slide:nth-child(9) { --rotation: -3deg; --float-duration: 6.2s; --float-delay: 1.4s; --float-amount: -8px; --shimmer-delay: 3.5s; --shimmer-duration: 8s; }
.bg-slide:nth-child(10) { --rotation: 2deg; --float-duration: 5.3s; --float-delay: 0.2s; --float-amount: -7px; --shimmer-delay: 1.2s; --shimmer-duration: 9s; }
.bg-slide:nth-child(11) { --rotation: -2deg; --float-duration: 6.8s; --float-delay: 0.9s; --float-amount: -10px; --shimmer-delay: 2.2s; --shimmer-duration: 7.8s; }
.bg-slide:nth-child(12) { --rotation: 4deg; --float-duration: 5.6s; --float-delay: 1.1s; --float-amount: -5px; --shimmer-delay: 0.3s; --shimmer-duration: 8.2s; }
.bg-slide:nth-child(13) { --rotation: -1deg; --float-duration: 6.4s; --float-delay: 0.4s; --float-amount: -9px; --shimmer-delay: 1.8s; --shimmer-duration: 9.2s; }

.bg-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: kenBurns var(--ken-burns-duration, 20s) ease-in-out infinite alternate;
    animation-delay: var(--ken-burns-delay, 0s);
}

/* Ken Burns effect - slow zoom and pan */
@keyframes kenBurns {
    0% {
        transform: scale(1) translate(0, 0);
    }
    100% {
        transform: scale(1.15) translate(var(--pan-x, -2%), var(--pan-y, -2%));
    }
}

.bg-slide:nth-child(1) img { --ken-burns-duration: 18s; --ken-burns-delay: 0s; --pan-x: -3%; --pan-y: -2%; }
.bg-slide:nth-child(2) img { --ken-burns-duration: 22s; --ken-burns-delay: 2s; --pan-x: 2%; --pan-y: -3%; }
.bg-slide:nth-child(3) img { --ken-burns-duration: 20s; --ken-burns-delay: 1s; --pan-x: -2%; --pan-y: 2%; }
.bg-slide:nth-child(4) img { --ken-burns-duration: 25s; --ken-burns-delay: 3s; --pan-x: 3%; --pan-y: 1%; }
.bg-slide:nth-child(5) img { --ken-burns-duration: 19s; --ken-burns-delay: 0.5s; --pan-x: -1%; --pan-y: -3%; }
.bg-slide:nth-child(6) img { --ken-burns-duration: 23s; --ken-burns-delay: 1.5s; --pan-x: 2%; --pan-y: 3%; }
.bg-slide:nth-child(7) img { --ken-burns-duration: 21s; --ken-burns-delay: 2.5s; --pan-x: -3%; --pan-y: 1%; }
.bg-slide:nth-child(8) img { --ken-burns-duration: 24s; --ken-burns-delay: 0.8s; --pan-x: 1%; --pan-y: -2%; }
.bg-slide:nth-child(9) img { --ken-burns-duration: 20s; --ken-burns-delay: 1.8s; --pan-x: -2%; --pan-y: -1%; }
.bg-slide:nth-child(10) img { --ken-burns-duration: 22s; --ken-burns-delay: 3.2s; --pan-x: 3%; --pan-y: 2%; }
.bg-slide:nth-child(11) img { --ken-burns-duration: 19s; --ken-burns-delay: 0.3s; --pan-x: -1%; --pan-y: 3%; }
.bg-slide:nth-child(12) img { --ken-burns-duration: 26s; --ken-burns-delay: 2.2s; --pan-x: 2%; --pan-y: -1%; }
.bg-slide:nth-child(13) img { --ken-burns-duration: 21s; --ken-burns-delay: 1.2s; --pan-x: -2%; --pan-y: 2%; }

/* Hover effect for background photos */
.bg-slide:hover {
    transform: translateY(-10px) scale(1.05) rotate(var(--rotation, 0deg)) !important;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 25px rgba(255, 107, 157, 0.4) !important;
    z-index: 10;
}

.bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 107, 157, 0.55) 0%,
        rgba(255, 138, 128, 0.5) 25%,
        rgba(255, 107, 157, 0.55) 50%,
        rgba(196, 69, 105, 0.55) 75%,
        rgba(255, 107, 157, 0.55) 100%
    );
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite, overlayPulse 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes overlayPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.85;
    }
}

/* Responsive background photos */
@media (max-width: 900px) {
    .bg-slide {
        width: calc(33.33% - 15px);
        height: calc(25% - 15px);
    }
}

@media (max-width: 600px) {
    .bg-slide {
        width: calc(50% - 15px);
        height: calc(20% - 15px);
    }
}

.page {
    display: none;
    width: 100%;
    height: 100vh;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

.page.active {
    display: flex;
}

.container {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    max-width: 500px;
    margin: 20px;
    animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.heart-icon {
    font-size: 80px;
    margin-bottom: 20px;
    display: inline-block;
}

.heart-icon.beating {
    animation: heartbeat 1s ease-in-out infinite;
}

.heart-icon.mega-beat {
    animation: megaHeartbeat 0.5s ease-in-out infinite;
    font-size: 100px;
}

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

@keyframes megaHeartbeat {
    0%, 100% { transform: scale(1) rotate(-5deg); }
    50% { transform: scale(1.3) rotate(5deg); }
}

h1 {
    color: #c44569;
    font-size: 2.5rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #ff6b9d;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.subtitle {
    color: #666;
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.love-message {
    color: #555;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Love Letter Styling */
.love-letter {
    background: linear-gradient(135deg, #fff9fa, #fff0f3);
    border-radius: 15px;
    padding: 25px;
    margin: 20px 0;
    border-left: 4px solid #ff6b9d;
    box-shadow: 0 5px 20px rgba(255, 107, 157, 0.15);
    text-align: left;
}

.love-letter p {
    color: #555;
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 15px;
}

.love-letter p:last-child {
    margin-bottom: 0;
}

.love-letter em {
    color: #c44569;
    font-style: italic;
}

.love-letter .letter-signature {
    text-align: center;
    font-weight: 600;
    color: #c44569;
    font-size: 1.1rem;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px dashed rgba(196, 69, 105, 0.3);
}

.celebration-text {
    font-size: 1.5rem;
    color: #c44569;
    animation: bounce 0.6s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.button-container {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.btn {
    padding: 15px 40px;
    font-size: 1.2rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn.primary {
    background: linear-gradient(135deg, #ff6b9d, #c44569);
    color: white;
    box-shadow: 0 8px 25px rgba(196, 69, 105, 0.4);
}

.btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(196, 69, 105, 0.5);
}

.btn.yes-btn {
    background: linear-gradient(135deg, #00c853, #00e676);
    color: white;
    box-shadow: 0 8px 25px rgba(0, 200, 83, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

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

.btn.yes-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(0, 200, 83, 0.6);
}

.btn.no-btn {
    background: linear-gradient(135deg, #bdbdbd, #9e9e9e);
    color: white;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    position: relative;
}

.btn.no-btn:hover {
    background: linear-gradient(135deg, #9e9e9e, #757575);
}

.btn.no-btn.escaped {
    position: fixed;
    z-index: 1000;
    transition: all 0.2s ease;
}

.no-counter {
    margin-top: 20px;
    color: #ff6b9d;
    font-style: italic;
    min-height: 24px;
}

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

.floating-heart {
    position: absolute;
    font-size: 20px;
    animation: floatUp 6s ease-in-out infinite;
    opacity: 0.6;
}

@keyframes floatUp {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Confetti Canvas */
#confettiCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

/* Success Container */
.success-container {
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #ff6b9d #fff0f3;
}

/* Custom Scrollbar Styling */
.success-container::-webkit-scrollbar {
    width: 10px;
}

.success-container::-webkit-scrollbar-track {
    background: linear-gradient(180deg, #fff0f3, #ffe4ec);
    border-radius: 10px;
    margin: 10px 0;
}

.success-container::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #ff6b9d, #c44569);
    border-radius: 10px;
    border: 2px solid #fff0f3;
}

.success-container::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #ff8ab5, #d4567a);
}

/* Photo Slideshow */
.slideshow-container {
    position: relative;
    max-width: 100%;
    margin: 25px auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25), 0 0 20px rgba(255, 107, 157, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.8);
    background: linear-gradient(135deg, #fff5f7, #fff);
}

.slide {
    display: none;
    animation: slideIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide.active {
    display: block;
}

.slide img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.slideshow-container:hover .slide img {
    transform: scale(1.02);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Slideshow Navigation */
.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 22px;
    background: linear-gradient(135deg, rgba(196, 69, 105, 0.8), rgba(255, 107, 157, 0.8));
    border-radius: 50%;
    user-select: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    margin: 0 10px;
}

.prev {
    left: 0;
}

.next {
    right: 0;
}

.prev:hover, .next:hover {
    background: linear-gradient(135deg, rgba(196, 69, 105, 1), rgba(255, 107, 157, 1));
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(196, 69, 105, 0.4);
}

.prev:active, .next:active {
    transform: translateY(-50%) scale(0.95);
}

/* Dots */
.dots-container {
    text-align: center;
    padding: 18px 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.dot {
    height: 10px;
    width: 10px;
    background: linear-gradient(135deg, #e0e0e0, #bdbdbd);
    border-radius: 50%;
    display: inline-block;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.dot.active {
    background: linear-gradient(135deg, #ff6b9d, #c44569);
    transform: scale(1.4);
    box-shadow: 0 3px 10px rgba(196, 69, 105, 0.4);
}

.dot:hover {
    background: linear-gradient(135deg, #ff8a9d, #ff6b9d);
    transform: scale(1.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .slideshow-container {
        margin: 15px auto;
        border-radius: 15px;
    }

    .slide img {
        height: 250px;
    }

    .prev, .next {
        width: 40px;
        height: 40px;
        font-size: 18px;
        margin: 0 5px;
    }

    .dots-container {
        padding: 12px 5px;
        gap: 6px;
    }

    .dot {
        height: 8px;
        width: 8px;
    }

    .dot.active {
        transform: scale(1.3);
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    .container {
        padding: 20px 15px;
        margin: 10px;
        border-radius: 20px;
    }

    .success-container {
        max-height: 85vh;
        padding: 15px 12px;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }

    .heart-icon {
        font-size: 60px;
    }

    .heart-icon.mega-beat {
        font-size: 70px;
    }

    .love-message {
        font-size: 1rem;
    }

    .love-letter {
        padding: 18px 15px;
        margin: 15px 0;
        border-radius: 12px;
    }

    .love-letter p {
        font-size: 0.95rem;
        line-height: 1.7;
        margin-bottom: 12px;
    }

    .love-letter .letter-signature {
        font-size: 1rem;
    }

    .celebration-text {
        font-size: 1.2rem;
    }

    .slideshow-container {
        margin: 12px auto;
        border-radius: 12px;
        border-width: 2px;
    }

    .slide img {
        height: 200px;
    }

    .prev, .next {
        width: 36px;
        height: 36px;
        font-size: 16px;
        margin: 0 3px;
    }

    .dots-container {
        padding: 10px 5px;
        gap: 5px;
    }

    .dot {
        height: 7px;
        width: 7px;
    }

    /* Background photos on mobile */
    .bg-slide {
        border-width: 2px;
    }

    .bg-slide:hover {
        transform: none !important;
    }
}

@media (max-width: 400px) {
    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .container {
        padding: 15px 12px;
        margin: 8px;
    }

    .slide img {
        height: 180px;
    }

    .prev, .next {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .dot {
        height: 6px;
        width: 6px;
    }

    .button-container {
        gap: 12px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .love-letter {
        padding: 15px 12px;
        margin: 12px 0;
    }

    .love-letter p {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 10px;
    }

    .love-letter .letter-signature {
        font-size: 0.95rem;
        margin-top: 15px;
        padding-top: 12px;
    }
}