/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Comic Neue', cursive;
    background: linear-gradient(45deg, #ff6b9d, #ff8a80, #ffd54f, #81c784, #64b5f6, #ba68c8);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Notification audio */
.audio-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: 3px solid #ff6b9d;
    border-radius: 15px;
    padding: 15px 25px;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: bounceIn 0.8s ease-out;
    transition: all 0.3s ease;
}

.audio-notification:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateX(-50%) scale(1.05);
}

.audio-notification p {
    margin: 0;
    color: #ff6b9d;
    font-weight: bold;
    font-size: 1.1em;
    text-align: center;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: translateX(-50%) scale(0.3);
    }
    50% {
        opacity: 1;
        transform: translateX(-50%) scale(1.1);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
}

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

/* Container principal */
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    z-index: 10;
}

/* Titre 3D avec rotation */
.title-3d {
    font-family: 'Pacifico', cursive;
    font-size: clamp(2rem, 8vw, 4rem);
    color: #fff;
    text-shadow: 
        0 0 10px #ff0080,
        0 0 20px #ff0080,
        0 0 30px #ff0080,
        0 0 40px #ff0080;
    animation: rotate3D 4s ease-in-out infinite;
    margin-bottom: 40px;
    text-align: center;
    transform-style: preserve-3d;
    perspective: 1000px;
}

@keyframes rotate3D {
    0% { 
        transform: rotateY(0deg) rotateX(10deg) scale(1);
    }
    25% { 
        transform: rotateY(90deg) rotateX(10deg) scale(1.1);
    }
    50% { 
        transform: rotateY(180deg) rotateX(10deg) scale(1);
    }
    75% { 
        transform: rotateY(270deg) rotateX(10deg) scale(1.1);
    }
    100% { 
        transform: rotateY(360deg) rotateX(10deg) scale(1);
    }
}

/* Cadre de lumières */
.light-frame {
    position: relative;
    width: 90%;
    max-width: 400px;
    aspect-ratio: 9/16;
    margin: 20px 0;
    border: 8px solid transparent;
    border-radius: 20px;
    background: linear-gradient(45deg, #ff0080, #00ff80, #8000ff, #ff8000);
    background-clip: padding-box;
    animation: frameGlow 2s ease-in-out infinite alternate;
}

@keyframes frameGlow {
    0% { 
        box-shadow: 
            0 0 20px #ff0080,
            0 0 40px #ff0080,
            inset 0 0 20px rgba(255, 0, 128, 0.3);
    }
    100% { 
        box-shadow: 
            0 0 40px #00ff80,
            0 0 60px #00ff80,
            inset 0 0 30px rgba(0, 255, 128, 0.3);
    }
}

/* Coins lumineux */
.light-corner {
    position: absolute;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    animation: cornerBlink 1.5s ease-in-out infinite;
}

.light-corner.top-left {
    top: -15px;
    left: -15px;
    background: radial-gradient(circle, #ff0080, #ff4080);
    animation-delay: 0s;
}

.light-corner.top-right {
    top: -15px;
    right: -15px;
    background: radial-gradient(circle, #00ff80, #40ff80);
    animation-delay: 0.3s;
}

.light-corner.bottom-left {
    bottom: -15px;
    left: -15px;
    background: radial-gradient(circle, #8000ff, #8040ff);
    animation-delay: 0.6s;
}

.light-corner.bottom-right {
    bottom: -15px;
    right: -15px;
    background: radial-gradient(circle, #ff8000, #ff8040);
    animation-delay: 0.9s;
}

@keyframes cornerBlink {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.5);
        opacity: 0.7;
    }
}

/* Diaporama */
.slideshow-container {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 
        0 0 30px rgba(255, 255, 255, 0.5),
        inset 0 0 20px rgba(0, 0, 0, 0.1);
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
}

/* Message d'amour */
.love-message {
    margin-top: 30px;
    text-align: center;
}

.love-message p {
    font-size: clamp(1.2rem, 4vw, 2rem);
    color: #fff;
    text-shadow: 
        0 0 10px #ff0080,
        0 0 20px #ff0080;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Bandeau à gratter */
.scratch-card {
    position: relative;
    width: 90%;
    max-width: 400px;
    height: 80px;
    margin: 30px auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.3),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
    cursor: crosshair;
}

.scratch-surface {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    overflow: hidden;
}

/* Canvas de masque pour le grattage réaliste optimisé */
.scratch-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    cursor: crosshair;
    transition: opacity 0.3s ease;
    /* Optimisations pour la performance */
    will-change: opacity;
    transform: translateZ(0); /* Force l'accélération matérielle */
    image-rendering: pixelated; /* Améliore les performances de rendu */
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

.scratch-surface::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 30%, 
        rgba(255, 255, 255, 0.4) 0%, 
        transparent 50%),
        radial-gradient(circle at 70% 70%, 
        rgba(255, 255, 255, 0.3) 0%, 
        transparent 50%);
    pointer-events: none;
}

/* Styles supprimés car le texte est maintenant rendu sur canvas */

.hidden-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ff6b9d, #ff8a80, #ffd54f);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
    pointer-events: none;
}

.hidden-content.revealed {
    opacity: 1;
    z-index: 20;
    pointer-events: auto;
}

.surprise-button {
    background: linear-gradient(45deg, #ff0080, #ff4080);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    font-weight: bold;
    border-radius: 25px;
    cursor: pointer;
    box-shadow: 
        0 4px 15px rgba(255, 0, 128, 0.4),
        inset 0 2px 5px rgba(255, 255, 255, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    animation: buttonPulse 2s ease-in-out infinite;
    position: relative;
    z-index: 25;
}

.surprise-button:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(255, 0, 128, 0.6),
        inset 0 2px 5px rgba(255, 255, 255, 0.3);
}

.surprise-button:active {
    transform: translateY(0);
    box-shadow: 
        0 2px 10px rgba(255, 0, 128, 0.4),
        inset 0 2px 5px rgba(255, 255, 255, 0.3);
}

@keyframes buttonPulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 
            0 4px 15px rgba(255, 0, 128, 0.4),
            inset 0 2px 5px rgba(255, 255, 255, 0.3);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 
            0 6px 20px rgba(255, 0, 128, 0.6),
            inset 0 2px 5px rgba(255, 255, 255, 0.3);
    }
}

/* Effet de grattage */
.scratch-surface.scratched {
    opacity: 0;
    pointer-events: none;
}

/* Responsive pour le bandeau à gratter */
@media (max-width: 768px) {
    .scratch-card {
        width: 95%;
        height: 70px;
        margin: 20px auto;
    }
    
    .scratch-text {
        font-size: clamp(1rem, 2.5vw, 1.5rem);
        letter-spacing: 1px;
    }
    
    .surprise-button {
        padding: 12px 25px;
        font-size: clamp(0.9rem, 2vw, 1.2rem);
    }
}

@media (max-width: 480px) {
    .scratch-card {
        width: 98%;
        height: 60px;
        margin: 15px auto;
    }
    
    .scratch-text {
        font-size: clamp(0.9rem, 2vw, 1.3rem);
        letter-spacing: 0.5px;
    }
    
    .surprise-button {
        padding: 10px 20px;
        font-size: clamp(0.8rem, 1.8vw, 1.1rem);
    }
}

/* Étoiles animées */
.stars, .stars2, .stars3 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.stars {
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #fff, transparent),
        radial-gradient(2px 2px at 40px 70px, #fff, transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, #fff, transparent),
        radial-gradient(2px 2px at 160px 30px, #fff, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: sparkle 3s linear infinite;
}

.stars2 {
    background-image: 
        radial-gradient(1px 1px at 50px 20px, #ff0080, transparent),
        radial-gradient(1px 1px at 80px 60px, #00ff80, transparent),
        radial-gradient(1px 1px at 120px 10px, #8000ff, transparent),
        radial-gradient(1px 1px at 150px 50px, #ff8000, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: sparkle 4s linear infinite reverse;
}

.stars3 {
    background-image: 
        radial-gradient(1px 1px at 30px 50px, #ffff00, transparent),
        radial-gradient(1px 1px at 70px 20px, #ff00ff, transparent),
        radial-gradient(1px 1px at 110px 70px, #00ffff, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: sparkle 5s linear infinite;
}

@keyframes sparkle {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-100px); }
}

/* Confettis */
.confetti {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
    overflow: hidden;
}

.confetti::before,
.confetti::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background: #ff0080;
    animation: confettiFall 3s linear infinite;
}

.confetti::before {
    left: 10%;
    animation-delay: 0s;
}

.confetti::after {
    left: 80%;
    background: #00ff80;
    animation-delay: 1.5s;
}

@keyframes confettiFall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Particules flottantes */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

.particle {
    position: absolute;
    font-size: 2rem;
    animation: float 6s ease-in-out infinite;
}

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

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

.particle:nth-child(3) {
    left: 30%;
    animation-delay: 2s;
}

.particle:nth-child(4) {
    left: 40%;
    animation-delay: 3s;
}

.particle:nth-child(5) {
    left: 60%;
    animation-delay: 4s;
}

.particle:nth-child(6) {
    left: 70%;
    animation-delay: 5s;
}

.particle:nth-child(7) {
    left: 80%;
    animation-delay: 0.5s;
}

.particle:nth-child(8) {
    left: 90%;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .light-frame {
        width: 95%;
        max-width: 350px;
        aspect-ratio: 9/16;
    }
    
    .title-3d {
        font-size: clamp(1.5rem, 6vw, 3rem);
        margin-bottom: 20px;
    }
    
    .love-message p {
        font-size: clamp(1rem, 3vw, 1.5rem);
    }
    
    .particle {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .light-frame {
        width: 98%;
        max-width: 300px;
        aspect-ratio: 9/16;
    }
    
    .light-corner {
        width: 20px;
        height: 20px;
    }
    
    .light-corner.top-left,
    .light-corner.top-right {
        top: -10px;
    }
    
    .light-corner.bottom-left,
    .light-corner.bottom-right {
        bottom: -10px;
    }
    
    .light-corner.top-left,
    .light-corner.bottom-left {
        left: -10px;
    }
    
    .light-corner.top-right,
    .light-corner.bottom-right {
        right: -10px;
    }
}