@import url('https://fonts.googleapis.com/css2?family=Roboto+Condensed:ital,wght@0,100..900;1,100..900&display=swap');
:root {
    --dark-fondo: #121212;
    --dark-primario: #1e1e1e;
    --dark-secundario: #666666;
    --dark-terciario: #00d296; 
    --dark-enfasis: #2a2b2e; 
    --dark-texto: #e9eaef; 
    --dark-icon: #e9eaef;
    /* Variables de Estructura */
    --padding-main: 20px;
    --border-radius: 10px;
}

/* ---------------------------------- */
/* Estilos Generales*/
/* ---------------------------------- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

body {
    background-color: var(--dark-fondo);
    color: var(--dark-texto);
    line-height: 1.6;
    font-family: 'Roboto Condensed', sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--padding-main);
}

h1, h2, h3 {
    color: var(--dark-texto);
    margin-bottom: 15px;
    font-family: 'Roboto Condensed', sans-serif;
}

p, a, li{
    font-family: 'Roboto Condensed', sans-serif;
}

hr {
    border: none;
    border-top: 1px solid var(--dark-secundario);
    margin: 30px 0;
}

/* ---------------------------------- */
/* 1. Hero (Encabezado) */
/* ---------------------------------- */
.hero {
    background-color: var(--dark-terciario);
    color: var(--dark-primario);
    padding: 40px var(--padding-main);
    text-align: center;
    margin-bottom: 20px;
}

.hero h1 {
    color: var(--dark-primario);
    font-size: 2.5em;
    margin-bottom: 5px;
}

.hero p {
    color: var(--dark-primario);
    opacity: 0.9;
}

/* ---------------------------------- */
/* 2. Drop Zone (Neumorfismo) */
/* ---------------------------------- */
.file-upload-zone {
    background-color: var(--dark-primario);
    padding: var(--padding-main);
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    /* Efecto Neumórfico */
    box-shadow: 
        8px 8px 16px var(--dark-fondo), 
        -8px -8px 16px var(--dark-fondo); 
}

.drop-zone {
    background-color: var(--dark-fondo);
    border: 2px dashed var(--dark-secundario);
    border-radius: var(--border-radius);
    padding: 40px 20px;
    text-align: center;
    transition: background-color 0.3s ease;
    margin-bottom: 15px;
}

.drop-zone:hover {
    background-color: var(--dark-enfasis);
    cursor: pointer;
}

.file-info {
    text-align: center;
    color: var(--dark-terciario);
    font-weight: bold;
}


/* ---------------------------------- */
/* 3. SVG Modifier Section (Neumorfismo) */
/* ---------------------------------- */
.svg-modifier-section {
    background-color: var(--dark-primario);
    padding: var(--padding-main);
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    /* Efecto Neumórfico (Repetido en CSS puro) */
    box-shadow: 
        8px 8px 16px var(--dark-fondo), 
        -8px -8px 16px var(--dark-enfasis);
}

.color-controls {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.selection-options label {
    display: block;
    margin-bottom: 8px;
}

.replacement-control {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 10px;
    background-color: var(--dark-fondo);
    border-radius: var(--border-radius);
}

/* Estilo para los inputs de color y texto */
input[type="text"],
input[type="color"] {
    padding: 8px;
    border: 1px solid var(--dark-secundario);
    border-radius: 5px;
    background-color: var(--dark-enfasis);
    color: var(--dark-texto);
}

input[type="color"] {
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    cursor: pointer;
}

/* ---------------------------------- */
/* Estilo para Botones (Reutilizable) */
/* ---------------------------------- */
button {
    background-color: var(--dark-terciario);
    color: var(--dark-primario);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
}

button:hover {
    background-color: var(--dark-primario);
    color:var(--dark-terciario);
}

button:active {
    transform: translateY(1px); 
    box-shadow: 2px 2px 5px var(--dark-fondo) inset; 
}

#selectFileButton {
    margin-top: 15px;
}

/* ---------------------------------- */
/* Colores Encontrados y Previsualización */
/* ---------------------------------- */
.colors-list {
    background-color: var(--dark-enfasis);
    padding: 15px;
    border-radius: var(--border-radius);
    min-height: 50px;
    margin-bottom: 20px;
}

.svg-preview {
    background-color: var(--dark-enfasis);
    border: 2px solid var(--dark-secundario);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    min-height: 250px;
}


/* ---------------------------------- */
/* 4. Estilos del Footer */
/* ---------------------------------- */
#appFooter {
    background-color: var(--dark-primario);
    color: var(--dark-texto);
    padding: 30px 0;
    margin-top: 40px;
    border-top: 2px solid var(--dark-enfasis);
    box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.2); 
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-section {
    flex: 1 1 250px; 
}

.footer-section h4 {
    color: var(--dark-terciario);
    margin-bottom: 10px;
    font-size: 1.1em;
}

.footer-section p {
    font-size: 0.9em;
    color: var(--dark-secundario);
    margin-bottom: 5px;
}

.footer-section a {
    color: var(--dark-terciario);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section a:hover {
    color:var(--dark-terciario); 
    text-decoration: underline;
}


/* ---------------------------------- */
/* 5. Estilos de Modales (Contenedor base) */
/* ---------------------------------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none; 
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--dark-primario);
    color: var(--dark-texto);
    padding: 30px;
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto; 
    position: relative;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5), 
                0 0 0 5px var(--dark-enfasis); 
}

.modal-content h3 {
    color: var(--dark-terciario);
    border-bottom: 2px solid var(--dark-enfasis);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.modal-content p {
    margin-bottom: 15px;
    font-size: 0.95em;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5em;
    color: var(--dark-secundario);
    cursor: pointer;
    background: none;
    border: none;
    line-height: 1;
    transition: color 0.2s;
}

/* ---------------------------------- */
/* Estilos Responsive (@media Queries) */
/* ---------------------------------- */

/* PANTALLAS GRANDES (1280px y Menores) */
@media (max-width: 1280px) {
    .container {padding: 20px 30px;}
    .color-controls {gap: 15px; }
}

/* PANTALLAS MEDIANAS (1040px y Menores) */
@media (max-width: 1040px) {
    .hero h1 {font-size: 2em;}

    .color-controls {
        flex-direction: column; 
        align-items: stretch;
    }

    .selection-options {
        display: flex;
        justify-content: space-around;
        gap: 10px;
        flex-wrap: wrap;
    }

    .replacement-control {justify-content: space-between;}
}

/* TABLETS Y PANTALLAS PEQUEÑAS (768px y Menores) */
@media (max-width: 768px) {
    .container {padding: 15px;}

    .file-upload-zone,
    .svg-modifier-section {
        padding: 15px;
        margin-bottom: 20px;
    }

    .hero {padding: 30px 15px;}
    h2 {font-size: 1.5em;}

    .replacement-control {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    /* Estirar los inputs al 100% */
    .replacement-control input[type="text"],
    .replacement-control label {
        width: 100%;
    }
    
    .replacement-control button {
        width: 100%;
        margin-top: 5px;
    }

    #newHexColorPicker {
        width: 40px;
        height: 40px;
    }

    .footer-content {
        flex-direction: column; 
        text-align: center;
    }
    .footer-section {
        margin-bottom: 20px;
    }
}

/* MÓVILES (468px y Menores) */
@media (max-width: 468px) {
    .hero h1 {font-size: 1.8em;}
    
    .selection-options {
        flex-direction: column; 
        align-items: flex-start;
    }

    .drop-zone {padding: 30px 15px;}
}