/* --- style.css --- */

/* --- Definición de Variables CSS --- */
:root {
    /* Tema Claro (Default) */
    --bg-color: #f4f7f6;
    --text-color: #333;
    --container-bg: #fff;
    --container-shadow: rgba(0, 0, 0, 0.1);
    --header-bg: #004d40; /* Verde oscuro */
    --header-text: #fff;
    --footer-bg: #e0e0e0;
    --footer-text: #555;

    --section-border: #e0e0e0;
    --section-title-color: #00796b; /* Verde medio */
    --section-number-bg: #00796b;
    --section-number-text: white;

    --details-main-border: #a5d6a7; /* Borde verde */
    --details-main-bg: #f0f8f7; /* Fondo verde muy pálido */
    --details-main-summary-bg: #c8e6c9; /* Verde claro */
    --details-main-summary-hover-bg: #b2dfdb; /* Verde más claro */
    --details-main-summary-open-bg: #b2dfdb;
    --details-main-summary-open-border: #a5d6a7;
    --details-main-arrow-color: #00796b;
    --details-main-content-bg: #ffffff;
    --details-main-content-border: #a5d6a7;

    --details-step-border: #b2dfdb; /* Borde verde más claro */
    --details-step-bg: #f8fdfd;
    --details-step-summary-bg: #e0f2f1; /* Fondo verde muy claro */
    --details-step-summary-hover-bg: #c8e6c9;
    --details-step-summary-open-bg: #c8e6c9;
    --details-step-summary-open-border: #b2dfdb;
    --details-step-summary-text: #004d40;
    --details-step-arrow-color: #00796b;
    --details-step-content-bg: #ffffff;
    --details-step-content-border: #b2dfdb;

    --step-number-bg: #80cbc4;
    --step-number-text: #004d40;
    --exception-number-bg: #ffcc80; /* Naranja claro */
    --exception-number-text: #e65100; /* Naranja oscuro */
    --responsibility-role-color: #004d40; /* Heredado de summary text */

    --option-a-bg: #e8f5e9;
    --option-b-bg: #e0f2f1;
    --option-border: #a5d6a7;

    --important-note-color: #d84315; /* Naranja/Rojo oscuro */
    --link-color: #00796b; /* Para futuros enlaces */
}

/* --- Definición del Tema Oscuro --- */
body.theme-dark {
    --bg-color: #212121; /* Fondo oscuro */
    --text-color: #e0e0e0; /* Texto claro */
    --container-bg: #303030; /* Contenedor poco más claro */
    --container-shadow: rgba(0, 0, 0, 0.4);
    --header-bg: #1a1a1a; /* Cabecera muy oscura */
    --header-text: #00e676; /* Texto cabecera verde brillante */
    --footer-bg: #1a1a1a;
    --footer-text: #bdbdbd; /* Texto footer gris claro */

    --section-border: #424242; /* Bordes oscuros */
    --section-title-color: #4db6ac; /* Verde azulado claro */
    --section-number-bg: #4db6ac;
    --section-number-text: #1a1a1a; /* Texto número oscuro */

    --details-main-border: #424242;
    --details-main-bg: #3a3a3a;
    --details-main-summary-bg: #424242; /* Gris oscuro */
    --details-main-summary-hover-bg: #4f4f4f;
    --details-main-summary-open-bg: #4f4f4f;
    --details-main-summary-open-border: #5e5e5e;
    --details-main-arrow-color: #4db6ac;
    --details-main-content-bg: #303030; /* Mismo que container */
    --details-main-content-border: #424242;

    --details-step-border: #4f4f4f;
    --details-step-bg: #424242;
    --details-step-summary-bg: #4f4f4f; /* Gris más oscuro */
    --details-step-summary-hover-bg: #5e5e5e;
    --details-step-summary-open-bg: #5e5e5e;
    --details-step-summary-open-border: #6f6f6f;
    --details-step-summary-text: #c5e1a5; /* Verde lima claro */
    --details-step-arrow-color: #4db6ac;
    --details-step-content-bg: #3a3a3a;
    --details-step-content-border: #4f4f4f;

    --step-number-bg: #26a69a; /* Verde azulado */
    --step-number-text: #1a1a1a;
    --exception-number-bg: #ffa726; /* Naranja */
    --exception-number-text: #1a1a1a;
    --responsibility-role-color: #c5e1a5;

    --option-a-bg: #4a5c4d; /* Verde oscuro apagado */
    --option-b-bg: #42504f; /* Verde azulado oscuro apagado */
    --option-border: #5e5e5e;

    --important-note-color: #ff8a65; /* Naranja claro */
    --link-color: #80cbc4;
}


/* --- Estilos Generales (Usando Variables) --- */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease; /* Transición suave */
}

.main-header, .main-footer {
    text-align: center;
    padding: 1em;
    background-color: var(--header-bg);
    color: var(--header-text);
}
/* Estilos específicos para h1/h2 en header si quieres diferenciarlos */
.main-header h1 { margin: 0; font-size: 1.8em; }
.main-header h2 { margin: 0; font-size: 1.2em; font-weight: normal; opacity: 0.9; }


.procedure-container {
    max-width: 900px;
    margin: 2em auto;
    padding: 1em;
    background-color: var(--container-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--container-shadow);
}

/* --- Estilos Base para Secciones --- */
.procedure-section {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

/* --- Estilos para Secciones Principales Colapsables (Usando Variables) --- */
.main-section-details {
    border: 1px solid var(--details-main-border);
    border-radius: 6px;
    background-color: var(--details-main-bg);
    margin-bottom: 1.5em;
}

.main-section-details > summary {
    padding: 0.8em 1em;
    cursor: pointer;
    background-color: var(--details-main-summary-bg);
    border-radius: 5px;
    list-style: none;
    display: flex;
    align-items: center;
    transition: background-color 0.2s ease;
}
.main-section-details > summary:hover {
    background-color: var(--details-main-summary-hover-bg);
}

.main-section-details[open] > summary {
     border-bottom: 1px solid var(--details-main-summary-open-border);
     background-color: var(--details-main-summary-open-bg);
     border-bottom-left-radius: 0;
     border-bottom-right-radius: 0;
}

.main-section-details > summary h2 {
    margin: 0;
    flex-grow: 1;
    font-size: 1.5em;
    color: var(--section-title-color); /* Usa variable */
    display: flex;
    align-items: center;
}

.section-number {
    background-color: var(--section-number-bg);
    color: var(--section-number-text);
    border-radius: 50%;
    width: 1.5em;
    height: 1.5em;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    font-size: 0.8em;
    font-weight: bold;
    margin-right: 0.5em;
    flex-shrink: 0;
}

.main-section-details > summary::before {
    content: '▶';
    font-size: 0.8em;
    margin-right: 0.6em;
    transition: transform 0.2s ease-in-out;
    color: var(--details-main-arrow-color);
    flex-shrink: 0;
}

.main-section-details[open] > summary::before {
    transform: rotate(90deg);
}

.main-section-details > .section-content {
    padding: 1em 1em 1em 2.5em;
    background-color: var(--details-main-content-bg);
    border-top: 1px solid var(--details-main-content-border);
    border-radius: 0 0 5px 5px;
}

/* --- Estilos para la lista DENTRO de Sección 3 y 4 (Pasos y Excepciones) --- */
.steps-list,
.exceptions-list,
.responsibilities-list { /* Incluimos responsibilities aquí */
     padding-left: 0;
     padding-top: 0.5em;
}

/* --- Estilos para los <details> internos (Pasos 3.x, Excepciones 4.x, Responsabilidades 5.x) (Usando Variables) --- */
.step-item {
    margin-bottom: 1em;
    border: 1px solid var(--details-step-border);
    border-radius: 6px;
    background-color: var(--details-step-bg);
}
.step-item:last-child {
    margin-bottom: 0;
}

.step-item > summary {
    font-weight: bold;
    padding: 0.8em 1em;
    cursor: pointer;
    background-color: var(--details-step-summary-bg);
    border-radius: 5px;
    list-style: none;
    display: flex;
    align-items: center;
    transition: background-color 0.2s ease;
    color: var(--details-step-summary-text);
}
.step-item > summary:hover {
    background-color: var(--details-step-summary-hover-bg);
}

.step-item[open] > summary {
     border-bottom: 1px solid var(--details-step-summary-open-border);
     background-color: var(--details-step-summary-open-bg);
     border-bottom-left-radius: 0;
     border-bottom-right-radius: 0;
}

.step-item > summary::before {
    content: '▶';
    font-size: 0.8em;
    margin-right: 0.6em;
    transition: transform 0.2s ease-in-out;
    color: var(--details-step-arrow-color);
    flex-shrink: 0;
}

.step-item[open] > summary::before {
    transform: rotate(90deg);
}

/* Número del paso (3.1, 3.2...) */
.step-number {
    font-size: 0.9em;
    font-weight: normal;
    background-color: var(--step-number-bg);
    color: var(--step-number-text);
    padding: 0.2em 0.5em;
    border-radius: 4px;
    margin-right: 0.7em;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
}

/* Número de excepción (4.1, 4.2...) */
.exception-number {
    font-size: 0.9em;
    font-weight: normal;
    background-color: var(--exception-number-bg);
    color: var(--exception-number-text);
    padding: 0.2em 0.5em;
    border-radius: 4px;
    margin-right: 0.7em;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
}

/* Estilo para el texto del rol dentro del summary de la sección 5 */
.responsibility-role {
    /* Hereda color de .step-item > summary */
    flex-grow: 1;
}

/* Contenido del item interno */
.step-detail {
    padding: 1em 1.5em 1em 1.5em;
    border-top: 1px solid var(--details-step-content-border);
    background-color: var(--details-step-content-bg);
    border-radius: 0 0 5px 5px;
}
.step-detail ul { margin-top: 0.5em; margin-bottom: 0.5em; padding-left: 25px; }
.step-detail li { margin-bottom: 0.3em; }
.step-detail p { margin: 0 0 0.5em 0; }
.step-detail p:last-child { margin-bottom: 0; }


/* Opciones A/B dentro de pasos */
.option {
    margin-top: 0.8em;
    padding: 0.8em;
    border-radius: 4px;
    border: 1px dashed var(--option-border);
}
.option-a { background-color: var(--option-a-bg); }
.option-b { background-color: var(--option-b-bg); }
.option p { margin: 0; }

/* Texto resaltado en excepciones */
.important-note {
    color: var(--important-note-color);
    font-weight: bold;
}

/* --- Footer --- */
.main-footer {
    margin-top: 2em;
    padding: 1em;
    font-size: 0.9em;
    background-color: var(--footer-bg);
    color: var(--footer-text);
    text-align: center;
}

/* --- Estilos para el selector de tema --- */
.theme-selector {
    padding: 0.5em 1em;
    margin-bottom: 1em;
    text-align: center; /* Centrar los botones */
    background-color: var(--container-bg); /* Fondo igual al contenedor */
    border-bottom: 1px solid var(--section-border); /* Línea separadora */
}
.theme-selector button {
    cursor: pointer;
    padding: 0.5em 1em;
    margin: 0 0.5em;
    border: 1px solid var(--details-main-border);
    border-radius: 4px;
    background-color: var(--details-main-bg);
    color: var(--text-color);
    font-weight: bold;
    transition: background-color 0.2s ease;
}
.theme-selector button:hover {
    background-color: var(--details-main-summary-hover-bg);
}
.theme-selector button.active { /* Estilo para el botón del tema activo */
    background-color: var(--section-number-bg);
    color: var(--section-number-text);
    border-color: var(--section-number-bg);
}