@import url("colors.css");

:root {
    /* Tamaños y Espaciados */
    --border-radius-sm: 4px;
    --border-radius-md: 6px;
    --border-radius-lg: 8px;
    --base-padding: 1rem;
}

/* Estilos Base y Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    font-size: 16px;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    padding: var(--base-padding);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

main {
    display: flex;
    flex-direction: column;
    margin: auto;
    width: 100%; /* Necesario para que margin: auto no encoja el width */
}

/* --- Encabezados --- */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.8rem;
    color: var(--text-color-light);
    line-height: 1.3;
}
h1 { font-size: 2rem; text-align: center; }
h2 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: var(--base-padding);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}
h3 { font-size: 1.1rem; }

hr {
    color: var(--border-color);
    margin: 1rem 0;
}

p { margin-bottom: var(--base-padding); }

a { color: var(--info-color-light); }

section {
    width: 100%;
    max-width: 700px;
    margin: 1rem auto;
    padding: 1.5rem;
    background-color: var(--section-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-md);
    border: 1px solid var(--border-color);
    animation: fadeIn 0.5s ease-out forwards;
}

section section {
    background-color: var(--section-deep);
    margin: 1rem 0;
    padding: var(--base-padding); /* Padding ligeramente reducido */
    box-shadow: none;
    animation: none;
    max-width: 100%;
}

nav {
    width: 100%;
    max-width: 500px;
    margin: 0.2rem auto; /* Centrado y con margen vertical */
    text-align: center;
}

nav ul {
    list-style: none; /* Quita los puntos de la lista */
    padding: 0;
    margin: 0;
}

nav ul li {
    margin-bottom: 0.35rem; /* Espacio entre botones */
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem;
}

nav ul li a {
    flex-grow: 1;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    text-align: center;
    border-radius: var(--border-radius-md);
    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.text-muted {
    color: var(--text-muted-color);
    font-size: 0.9em;
    font-style: italic;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-md);
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease; /* Añadido box-shadow a transition */
    background-color: var(--bg-darker);
    color: var(--text-color);
    margin: 0.25rem;
    vertical-align: middle;
}
.btn:hover:not(:disabled) {
    background-color: var(--bg-lightest);
    border-color: var(--middle-darkest);
}
.btn:active:not(:disabled) {
    background-color: var(--bg-darker); /* Volvemos al color base al presionar */
}
.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--middle-darkest);
}
.btn:disabled {
    background-color: var(--disabled-bg-color);
    border-color: var(--disabled-border-color);
    color: var(--disabled-text-color);
    opacity: 0.6;
    cursor: not-allowed;
}

/* Botón Primario (Comenzar) */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color-dark);
    color: var(--text-color-light);
}
.btn-primary:hover:not(:disabled) { background-color: var(--primary-color-light); border-color: var(--primary-color); }
.btn-primary:active:not(:disabled) { background-color: var(--primary-color-dark); }
.btn-primary:focus { box-shadow: 0 0 0 3px var(--focus-ring-primary-color); }

/* Botón Información (Instalar/Navegación) */
.btn-info {
    background-color: var(--info-color);
    border-color: var(--info-color-dark);
    color: var(--text-color-light);
}
.btn-info:hover:not(:disabled) { background-color: var(--info-color-light); border-color: var(--info-color); }
.btn-info:active:not(:disabled) { background-color: var(--info-color-dark); }
.btn-info:focus { box-shadow: 0 0 0 3px var(--focus-ring-info-color); }

.btn-full-width { width: calc(100% - 0.5rem); }

/* Botón Peligro (Detener) */
.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color-dark);
    color: var(--text-color-light);
}
.btn-danger:hover:not(:disabled) { background-color: var(--danger-color-light); border-color: var(--danger-color); } /* Aclarado borde hover */
.btn-danger:active:not(:disabled) { background-color: var(--danger-color-dark); }
.btn-danger:focus { box-shadow: 0 0 0 3px var(--focus-ring-danger-color); }

/* Botón Advertencia (Pausar) */
.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color-dark);
    color: var(--text-color-light);
}
.btn-warning:hover:not(:disabled) { background-color: var(--warning-color-light); border-color: var(--warning-color); } /* Aclarado borde hover */
.btn-warning:active:not(:disabled) { background-color: var(--warning-color-dark); }
.btn-warning:focus { box-shadow: 0 0 0 3px var(--focus-ring-warning-color); }

button {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    border-style: solid;
    border-color: var(--border-color);
}

.hidden, [hidden] { display: none !important; }

@media (min-width: 768px) {
    .content-section {
        padding: 2rem; /* Aumentar padding en pantallas grandes */
    }
     /* Ajustar padding de secciones anidadas también si es necesario */
    .content-section .content-section {
       padding: 1.5rem;
    }
}