:root {
    --background-color: #08041b;
    --container-color: #211e33;
    --text-color: #FFFFFF;
    --error-color: #FF0000;
    --button-gradient-left: #FF6200;
    --button-gradient-right: #FF0000;
    --secondary-button-bg: #E0E0E0;
    --secondary-button-text: #000000;
    --border-radius: 10px;
    --transition-speed: 0.3s;
}

/* Estilos generales */
body {
    background-color: var(--background-color);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background-color: var(--container-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 700px;
    box-shadow: none;
}

h1, h2 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-color);
    font-weight: 600;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.5rem;
}

/* Estilos del formulario */
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--text-color);
    font-weight: 500;
}

input[type="file"],
input[type="text"],
select {
    padding: 10px;
    border: 1px solid #FFFFFF;
    border-radius: var(--border-radius);
    font-size: 14px;
    background-color: #FFFFFF;
    color: #333;
}

input[type="file"]:invalid:not(:focus),
input[type="text"]:invalid:not(:focus),
select:invalid:not(:focus) {
    border-color: var(--error-color);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23FF0000' viewBox='0 0 12 12'%3E%3Ccircle cx='6' cy='6' r='4.5'/%3E%3Cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3E%3Ccircle cx='6' cy='8.2' r='.6' fill='%23FF0000' stroke='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

input[type="text"]::placeholder {
    color: #999;
}

select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: #FFFFFF url('data:image/svg+xml;utf8,<svg fill="%23333" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>') no-repeat right 10px center;
    background-size: 16px;
    padding-right: 30px;
}

button[type="submit"] {
    background: linear-gradient(90deg, var(--button-gradient-left), var(--button-gradient-right));
    color: var(--text-color);
    padding: 10px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-speed) ease;
}

button[type="submit"]:hover {
    transform: translateY(-2px);
    background: linear-gradient(90deg, var(--button-gradient-right), var(--button-gradient-left));
}

button[type="submit"]:active {
    transform: translateY(0);
}

/* Estilos de la secci¨Žn de resultados */
#results {
    margin-top: 20px;
}

#imageContainer {
    text-align: center;
    margin-bottom: 20px;
    background-color: var(--container-color);
    border: 1px solid #FFFFFF;
    border-radius: var(--border-radius);
    padding: 10px;
}

#imageContainer img {
    width: 500px;
    height: 300px;
    object-fit: contain;
    border-radius: var(--border-radius);
}

#imageContainer a {
    color: var(--button-gradient-left);
    text-decoration: none;
    display: block;
    margin-top: 10px;
}

#imageContainer a:hover {
    text-decoration: underline;
}

#paletteContainer {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-bottom: 20px;
}

.color-block {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius);
    border: 1px solid #FFFFFF;
}

.color-block span {
    display: block;
    text-align: center;
    margin-top: 5px;
    font-size: 12px;
    color: var(--text-color);
}

#actions {
    display: flex;
    justify-content: center;
    gap: 15px;
}

#actions button:not(#clearBtn) {
    background-color: var(--secondary-button-bg);
    color: var(--secondary-button-text);
    padding: 10px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

#actions button:not(#clearBtn):hover {
    background-color: #CCCCCC;
}

#clearBtn {
    background: linear-gradient(90deg, var(--button-gradient-left), var(--button-gradient-right));
    color: var(--text-color);
    padding: 10px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-speed) ease;
}

#clearBtn:hover {
    transform: translateY(-2px);
    background: linear-gradient(90deg, var(--button-gradient-right), var(--button-gradient-left));
}

#clearBtn:active {
    transform: translateY(0);
}

/* Responsividad */
@media (max-width: 600px) {
    .container {
        padding: 1.5rem;
        max-width: 100%;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    #imageContainer img {
        width: 100%;
        height: auto;
    }

    #actions {
        flex-direction: column;
        gap: 10px;
    }

    #actions button {
        width: 100%;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: #FFFFFF;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #CCCCCC;
}