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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f6d3e3 0%, #e6b3cc 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
}

/* Styles de l'en-tête */
h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    color: #333;
    text-align: center;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

/* Styles de la boîte de mot de passe */
.password-box {
    display: flex;
    gap: 1rem;
    background: white;
    padding: 1rem;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

input[type="password"] {
    flex: 1;
    padding: 0.5rem;
    border: none;
    font-size: 1.1rem;
    outline: none;
    font-family: 'Poppins', sans-serif;
}

button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

button:hover {
    transform: scale(1.2);
}

/* Styles du message et du cœur */
.message {
    text-align: center;
    animation: fadeIn 1s ease;
}

.message h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 2rem;
}

.heart {
    width: 100px;
    height: 100px;
    background: #ff4b6e;
    position: relative;
    transform: rotate(45deg);
    margin: 50px auto;
    animation: heartbeat 1.5s ease infinite;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.heart:before,
.heart:after {
    content: '';
    width: 100px;
    height: 100px;
    background: #ff4b6e;
    border-radius: 50%;
    position: absolute;
}

.heart:before {
    left: -50px;
}

.heart:after {
    top: -50px;
}

.heart:hover {
    transform: rotate(45deg) scale(1.1);
}

/* Styles du poème et de l'overlay */
.hint {
    margin-top: 20px;
    font-size: 0.9rem;
    color: rgba(0,0,0,0.5);
    opacity: 0;
    animation: pulse 2s infinite;
}

.poem-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f6d3e3 0%, #e6b3cc 100%);
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: background 1s ease;
    z-index: 1000;
    overflow: hidden;
    padding: 2rem;
}

.poem-overlay.showing {
    background: white;
}

.poem-overlay.final {
    background: linear-gradient(135deg, #f6d3e3 0%, #e6b3cc 100%);
}

.particle {
    position: absolute;
    background: linear-gradient(135deg, #f6d3e3 0%, #e6b3cc 100%);
    border: 1px solid rgba(0,0,0,0.1);
    transform-origin: center center;
    transition: transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: 2;
}

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

.title-slide {
    position: absolute;
    width: 80%;
    max-width: 600px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    padding: 2rem;
    transform-origin: center center;
    transition: all 1.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    opacity: 0;
    transform: scale(0.8);
    backdrop-filter: blur(5px);
    text-align: center;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: #333;
    z-index: 2;
}

.title-slide.active {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.title-slide .next-button {
    position: absolute;
    right: -60px;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    font-size: 1.5rem;
    color: #333;
    z-index: 3;
}

.poem-carousel {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
}

.poem-carousel.visible {
    display: flex;
    opacity: 1;
}

.poem-slide {
    position: absolute;
    width: 80%;
    max-width: 600px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    padding: 2rem;
    transform-origin: center center;
    transition: all 1.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    opacity: 0;
    backdrop-filter: blur(5px);
    text-align: center;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) translateX(100%) rotateY(30deg);
}

.poem-slide.active {
    opacity: 1;
    transform: translate(-50%, -50%) translateX(0) rotateY(0);
    z-index: 2;
}

.poem-slide.previous {
    opacity: 0.5;
    transform: translate(-50%, -50%) translateX(-100%) rotateY(-30deg);
    z-index: 1;
}

.poem-slide.next {
    opacity: 0.5;
    transform: translate(-50%, -50%) translateX(100%) rotateY(30deg);
    z-index: 1;
}

.poem-slide .stanza {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    line-height: 2;
    color: #333;
    text-align: center;
    margin: 0;
    opacity: 1;
    transform: none;
    transition: none;
}

.navigation-arrows {
    position: fixed;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 3;
}

.nav-arrow {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    font-size: 1.5rem;
    color: #333;
}

.nav-arrow:hover {
    transform: scale(1.1);
    background: white;
}

.nav-arrow.left {
    transform: rotate(180deg);
}

.nav-arrow.left:hover {
    transform: rotate(180deg) scale(1.1);
}

.close-poem {
    position: fixed;
    top: 20px;
    right: 20px;
    font-size: 2.5rem;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.3s ease;
    color: #333;
    z-index: 1001;
    background: rgba(255,255,255,0.9);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.close-poem:hover {
    opacity: 1;
    transform: rotate(90deg);
}

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

@keyframes heartbeat {
    0% { transform: rotate(45deg) scale(1); }
    14% { transform: rotate(45deg) scale(1.1); }
    28% { transform: rotate(45deg) scale(1); }
    42% { transform: rotate(45deg) scale(1.1); }
    70% { transform: rotate(45deg) scale(1); }
}

@keyframes pulse {
    0% { opacity: 0.3; }
    50% { opacity: 0.7; }
    100% { opacity: 0.3; }
}

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

@keyframes initialRotation {
    0% {
        transform: rotateY(0deg) translateX(0);
    }
    100% {
        transform: rotateY(360deg) translateX(0);
    }
}

.poem-slide.initial-animation {
    animation: initialRotation 2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slideOut {
    0% {
        transform: translateX(0) rotateY(0);
        opacity: 1;
    }
    100% {
        transform: translateX(-100%) rotateY(-30deg);
        opacity: 0;
    }
}

@keyframes slideIn {
    0% {
        transform: translateX(100%) rotateY(30deg);
        opacity: 0;
    }
    100% {
        transform: translateX(0) rotateY(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    .message h2 {
        font-size: 2rem;
    }

    .poem-slide {
        width: 90%;
        padding: 1.5rem;
    }

    .poem-slide .stanza {
        font-size: 1.1rem;
    }

    .heart {
        width: 80px;
        height: 80px;
    }

    .heart:before,
    .heart:after {
        width: 80px;
        height: 80px;
    }

    .heart:before {
        left: -40px;
    }

    .heart:after {
        top: -40px;
    }

    .nav-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .close-poem {
        width: 40px;
        height: 40px;
        font-size: 2rem;
    }
}