:root {
    --primary-color: #93c47d; /* Verde pistacho */
    --primary-hover: #7ab55c; /* Verde pistacho más oscuro para hover */
    --bg-color: #0a0a0a;
    --card-bg: #1a1a1a;
    --input-bg: #2a2a2a;
    --text-color: #fff;
    --success-color: #2ecc71; /* Mantenemos este verde para éxito */
    --error-color: #93c47d; /* Cambiamos el color de error a verde pistacho */
}

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

body {
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-color);
    padding: 1rem;
}

.container {
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo {
    width: 80%;
    max-width: 200px;
    height: auto;
    margin-bottom: 1rem;
}

input {
    width: 100%;
    padding: 0.8rem;
    margin: 1rem 0;
    border: 2px solid #333;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
    background-color: var(--input-bg);
    color: var(--text-color);
    text-align: center;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
}

button {
    background-color: var(--primary-color);
    color: var(--text-color);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
    text-transform: uppercase;
    font-weight: bold;
    width: 100%;
}

button:hover {
    background-color: var(--primary-hover);
}

button:active {
    transform: scale(0.98);
}

#scratchCard {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 2 / 1;
    margin: 1rem auto;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    background-image: url('/assets/logo.png'); /* Updated image source */
    background-size: cover;
    background-position: center;
    touch-action: none;
}

#scratchCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    image-rendering: -moz-crisp-edges;
    image-rendering: -webkit-crisp-edges;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

#reward {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: bold;
    color: var(--text-color);
    background-color: #888888;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    padding: 10px;
    box-sizing: border-box;
    text-align: center;
    word-wrap: break-word;
}

#reward.revealed {
    opacity: 1;
    animation: pulse 1s infinite alternate;
}

@keyframes pulse {
    from { transform: scale(1); text-shadow: 2px 2px 4px rgba(0,0,0,0.5); }
    to { transform: scale(1.05); text-shadow: 0 0 8px rgba(255,255,255,0.7), 0 0 12px rgba(255,255,255,0.5); }
}

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

.particle {
    position: absolute;
    background-color: rgba(147, 196, 125, 0.6); /* Verde pistacho con transparencia */
    border-radius: 50%;
}

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0); }
}

.bouncing-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    margin-top: 1rem;
    animation: bounce 0.5s ease infinite alternate;
}

.hidden {
    display: none;
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-10px); }
}

.swal-overlay {
    background-color: rgba(0, 0, 0, 0.8);
}

.swal-modal {
    background-color: var(--card-bg);
    border: 3px solid var(--primary-color);
}

.swal-title {
    color: var(--text-color);
    font-size: 28px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.swal-text {
    color: var(--text-color);
    font-size: 18px;
}

.swal-footer {
    text-align: center;
}

.swal-button {
    background-color: var(--primary-color);
    color: var(--text-color);
    border-radius: 5px;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
    padding: 10px 24px;
}

.swal-button:hover {
    background-color: var(--primary-hover) !important;
    transform: scale(1.05);
}

.swal-icon--success {
    border-color: var(--success-color);
}

.swal-icon--success__line {
    background-color: var(--success-color);
}

.swal-icon--success__ring {
    border: 4px solid var(--success-color);
}

.swal-icon--success:before, .swal-icon--success:after {
    background: none;
}

.swal-icon--success__hide-corners {
    display: none !important;
}

@keyframes prizeReveal {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes invalidCodeShake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.prize-animation {
    animation: prizeReveal 0.8s ease-out;
}

.invalid-code-animation {
    animation: invalidCodeShake 0.5s ease-in-out;
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }

    input, button {
        font-size: 1rem;
        padding: 0.7rem;
    }

    #scratchCard {
        max-width: 250px;
    }

    #reward {
        font-size: clamp(1.2rem, 6vw, 1.8rem);
    }

    #scratchCard {
        aspect-ratio: 3 / 2;
        max-width: 100%;
    }

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

@media (max-width: 320px) {
    .container {
        padding: 0.8rem;
    }

    input, button {
        font-size: 0.9rem;
        padding: 0.6rem;
    }

    #scratchCard {
        max-width: 200px;
    }

    #reward {
        font-size: clamp(1rem, 5vw, 1.5rem);
    }
}