:root {
    /* --- TEMA DARK (Por defecto) --- */
    --bg-main: radial-gradient(circle at top center, #1a2a3a 0%, #0f1214 80%);
    --text-main: #e0e0e0;
    --text-title: #ffffff;
    --card-bg: rgba(20, 25, 30, 0.8);
    --card-border: rgba(0, 210, 255, 0.3);
    --card-shadow: 0 0 20px rgba(0, 210, 255, 0.05);
    --cyan-primary: #00d2ff;
    --input-bg: rgba(0, 0, 0, 0.3);
    --input-border: rgba(255, 255, 255, 0.15);
    --input-focus-bg: rgba(0, 0, 0, 0.5);
    --tab-inactive: #e0e0e0;
    --tab-active-bg: rgba(0, 210, 255, 0.1);
    --accordion-item-bg: transparent;
    --accordion-button-bg: rgba(30, 35, 40, 0.8);
    --accordion-active-bg: rgba(0, 210, 255, 0.15);
    --accordion-body-bg: rgba(0, 0, 0, 0.2);
    --border-soft: rgba(255, 255, 255, 0.05);
    --shadow-color: rgba(0, 210, 255, 0.2);
    --nav-tabs-border: rgba(0, 210, 255, 0.3);

    /* Neon Colors */
    --success-neon: #00ff9d;
    --info-neon: #0dcaf0;
    --danger-neon: #ff4d5a;
    --secondary-neon: #e0e0e0;

    /* Alerts */
    --alert-success-bg: rgba(25, 135, 84, 0.2);
    --alert-success-text: #75b798;
    --alert-success-border: #198754;
    --alert-warning-bg: rgba(255, 193, 7, 0.2);
    --alert-warning-text: #ffda6a;
    --alert-warning-border: #ffc107;
}

[data-theme='light'] {
    /* --- TEMA LIGHT --- */
    --bg-main: #f8f9fa;
    --text-main: #212529;
    --text-title: #1a1d21;
    --card-bg: #ffffff;
    --card-border: rgba(0, 0, 0, 0.1);
    --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    --cyan-primary: #00768a;
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --input-focus-bg: #ffffff;
    --tab-inactive: #495057;
    --tab-active-bg: rgba(0, 118, 138, 0.1);
    --accordion-item-bg: #ffffff;
    --accordion-button-bg: #f1f3f5;
    --accordion-active-bg: rgba(0, 118, 138, 0.1);
    --accordion-body-bg: #f8f9fa;
    --border-soft: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --nav-tabs-border: rgba(0, 0, 0, 0.1);

    /* Neon Colors (Adjusted for Light Mode - no real neon) */
    --success-neon: #0f5132;
    --info-neon: #055160;
    --danger-neon: #842029;
    --secondary-neon: #41464b;

    /* Alerts */
    --alert-success-bg: #d1e7dd;
    --alert-success-text: #0f5132;
    --alert-success-border: #badbcc;
    --alert-warning-bg: #fff3cd;
    --alert-warning-text: #664d03;
    --alert-warning-border: #ffecb5;
}

body {
    background: var(--bg-main) !important;
    color: var(--text-main);
    min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5 {
    color: var(--text-title);
}

[data-theme='dark'] h1,
[data-theme='dark'] h2,
[data-theme='dark'] h3,
[data-theme='dark'] h4,
[data-theme='dark'] h5 {
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
}

.text-muted {
    color: var(--text-main) !important;
    opacity: 0.7;
}

/* --- CONTENT WRAPPER PARA PROTECCIÓN --- */
.software-content {
    max-width: 1600px;
}

/* --- TARJETAS HUD --- */
.software-content .tech-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    box-shadow: var(--card-shadow);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

/* --- FORMULARIOS --- */
.software-content .form-control,
.software-content .form-select {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-main);
}

.software-content .form-control:focus,
.software-content .form-select:focus {
    background-color: var(--input-focus-bg);
    border-color: var(--cyan-primary);
    box-shadow: 0 0 0 0.25rem var(--shadow-color);
    color: var(--text-main);
}

.software-content .form-control::placeholder {
    color: #6c757d;
    opacity: 0.8;
}

.software-content .form-select option {
    background-color: var(--card-bg);
    color: var(--text-main);
}

.software-content .form-label {
    color: var(--cyan-primary);
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
}

/* --- PESTAÑAS (TABS) --- */
.software-content .nav-tabs {
    border-bottom: 1px solid var(--nav-tabs-border);
}

.software-content .nav-tabs .nav-link {
    color: var(--tab-inactive);
    border: none;
    background: transparent;
    font-weight: 600;
}

.software-content .nav-tabs .nav-link:hover {
    color: var(--text-title);
}

.software-content .nav-tabs .nav-link.active {
    background-color: var(--tab-active-bg);
    color: var(--cyan-primary);
    border-bottom: 2px solid var(--cyan-primary);
}

/* --- ACORDEÓN --- */
.software-content .accordion-item {
    background-color: var(--accordion-item-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px !important;
    margin-bottom: 1rem;
    overflow: hidden;
}

.software-content .accordion-button {
    background-color: var(--accordion-button-bg);
    color: var(--text-title);
    font-weight: 600;
    box-shadow: none !important;
}

.software-content .accordion-button:not(.collapsed) {
    background-color: var(--accordion-active-bg);
    color: var(--cyan-primary);
    border-bottom: 1px solid var(--nav-tabs-border);
}

[data-theme='dark'] .software-content .accordion-button::after {
    filter: invert(1);
}

[data-theme='dark'] .software-content .accordion-button:not(.collapsed)::after {
    filter: invert(1) sepia(1) saturate(5) hue-rotate(180deg);
}

.software-content .accordion-body {
    background-color: var(--accordion-body-bg);
    color: var(--text-main);
}

/* --- LISTA DE CAMBIOS --- */
.software-content .changelog-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.software-content .changelog-list>li {
    display: flex;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-soft);
}

.software-content .changelog-list>li:last-child {
    border-bottom: none;
}

/* Soporte para HTML enriquecido dentro de las descripciones */
.software-content .changelog-list .flex-grow-1 ul {
    list-style-type: disc !important;
    padding-left: 1.5rem !important;
    margin: 1rem 0 !important;
}

.software-content .changelog-list .flex-grow-1 li {
    display: list-item !important;
    padding: 0.2rem 0 !important;
    border: none !important;
}

.software-content .changelog-list .flex-grow-1 h2 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--cyan-primary);
}

.software-content .changelog-list .flex-grow-1 p {
    margin-bottom: 1rem;
}

.software-content .changelog-icon {
    font-size: 1.2rem;
    margin-right: 1rem;
    margin-top: 2px;
}

/* Colores Neón Personalizados */
.software-content .text-success-neon {
    color: var(--success-neon) !important;
}

[data-theme='dark'] .software-content .text-success-neon {
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.3);
}

.software-content .text-info-neon {
    color: var(--info-neon) !important;
}

[data-theme='dark'] .software-content .text-info-neon {
    text-shadow: 0 0 10px rgba(13, 202, 240, 0.3);
}

.software-content .text-danger-neon {
    color: var(--danger-neon) !important;
}

[data-theme='dark'] .software-content .text-danger-neon {
    text-shadow: 0 0 10px rgba(255, 77, 90, 0.3);
}

.software-content .text-secondary-neon {
    color: var(--secondary-neon) !important;
}

/* --- ALERTAS HUD --- */
.software-content .alert-hud {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.software-content .alert-success {
    background: var(--alert-success-bg);
    color: var(--alert-success-text);
    border-color: var(--alert-success-border);
}

.software-content .alert-warning {
    background: var(--alert-warning-bg);
    color: var(--alert-warning-text);
    border-color: var(--alert-warning-border);
}

.software-content .badge-ota {
    font-size: 0.75rem;
    border: 1px solid;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle i {
    font-size: 1.2rem;
    color: var(--cyan-primary);
}

/* Fixes for Light Mode visibility */
[data-theme='light'] .text-light {
    color: var(--text-main) !important;
}

[data-theme='light'] .bg-dark {
    background-color: #e9ecef !important;
    color: #495057 !important;
}

[data-theme='light'] .border-secondary {
    border-color: #dee2e6 !important;
}

[data-theme='light'] .text-info {
    color: #0056b3 !important;
}

/* --- CONTENIDO HTML ENRIQUECIDO: overflow --- */
.software-content .changelog-list .flex-grow-1 {
    min-width: 0;
    max-width: 100%;
}

.software-content .changelog-list .flex-grow-1>div {
    overflow-x: auto;
    overflow-y: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.software-content .accordion-body {
    overflow-x: hidden;
}

/* --- RESPONSIVE MOBILE --- */
@media (max-width: 767px) {
    .software-content .changelog-list>li {
        flex-direction: column;
        gap: 0.5rem;
    }

    .software-content .changelog-icon {
        margin-right: 0;
    }

    .software-content .changelog-list .flex-grow-1 h2 {
        font-size: 1.05rem;
        margin-top: 1rem;
    }

    .software-content .changelog-list .flex-grow-1 ul {
        padding-left: 1.2rem !important;
    }

    .software-content .changelog-list .flex-grow-1 li {
        font-size: 0.9rem;
    }

    .software-content .accordion-button {
        padding: 0.75rem;
        font-size: 0.9rem;
    }

    .software-content .accordion-body {
        padding: 0.75rem;
    }

    .software-content .tech-card {
        padding: 1rem;
    }
}