/* Estilos específicos para la página "Laboratorio" v2 */
body {
    background-color: #1a1a1a; /* Fondo más oscuro para el estilo Uiverse */
}
.lab-container { max-width: 1200px; margin: 2rem auto; padding: 2rem; }
.lab-header { text-align: center; margin-bottom: 3rem; }
.lab-header h2 { font-size: 2.5rem; color: var(--text-light); margin-bottom: 0.5rem; }
.lab-header p { font-size: 1.1rem; color: rgba(255, 255, 255, 0.7); max-width: 600px; margin: 0 auto; }

/* Filtros */
.filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}
.filter-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.filter-btn:hover { background: rgba(255, 255, 255, 0.2); }
.filter-btn.active { background: var(--sena-orange); color: #1a1a1a; font-weight: bold; border-color: var(--sena-orange); }

/* Grid de Experimentos */
.experiments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.experiment-card {
    background: #242424;
    border: 1px solid var(--glass-border);
    border-radius: 17px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.experiment-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }

.demo-area {
    background-color: #1a1a1a;
    min-height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.card-info {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.card-info h3 { color: white; margin: 0; font-size: 1.1rem; }
.code-btn {
    background: var(--sena-orange);
    color: #1a1a1a;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

/* Modal para el código */
.code-modal {
    display: none; /* Oculto por defecto */
    position: fixed;
    z-index: 2000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
}
.code-modal-content {
    background: #242424;
    border: 1px solid var(--glass-border);
    border-radius: 17px;
    width: 90%;
    max-width: 700px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}
.code-modal-header {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
}
.code-modal-header h3 { color: white; margin: 0; }
.close-modal { font-size: 1.5rem; color: white; cursor: pointer; }

.code-tabs { display: flex; background: #1a1a1a; }
.tab-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    padding: 0.75rem 1.5rem;
    cursor: pointer;
}
.tab-btn.active { color: var(--sena-orange); border-bottom: 2px solid var(--sena-orange); }

.code-display {
    position: relative;
    flex-grow: 1;
    overflow: auto;
}
.code-display pre { margin: 0; }
.code-display code {
    display: none; /* Oculto por defecto */
    padding: 1.5rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    background: #1e1e1e !important;
}
.code-display code.active { display: block; }

.copy-code-btn {
    position: absolute;
    top: 1rem; right: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
}
.copy-code-btn:hover { background: rgba(255, 255, 255, 0.2); }

/* ========= ESTILOS PARA EXPERIMENTOS ========= */
/* Experimento 1: Botón Pulsante */
.pulse-button {
    padding: 1rem 2rem; font-size: 1rem; font-weight: bold; color: white;
    background-color: var(--sena-orange); border: none; border-radius: 12px;
    cursor: pointer; position: relative; overflow: hidden; transition: all 0.3s ease;
}
.pulse-button:hover { transform: scale(1.05); box-shadow: 0 0 20px var(--sena-orange); }
.pulse-button::before {
    content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0;
    background: rgba(255, 255, 255, 0.3); border-radius: 50%;
    transform: translate(-50%, -50%); transition: width 0.5s, height 0.5s;
}
.pulse-button:active::before { width: 300px; height: 300px; }

/* Experimento 2: Toggle Futurista */
.toggle-label {
    width: 80px; height: 40px; background-color: #333; border-radius: 20px;
    position: relative; cursor: pointer;
}
.toggle-checkbox { display: none; }
.toggle-switch {
    width: 34px; height: 34px; background-color: #555; border-radius: 50%;
    position: absolute; top: 3px; left: 3px;
    transition: transform 0.3s ease;
}
.toggle-checkbox:checked + .toggle-label .toggle-switch {
    transform: translateX(40px);
    background-color: var(--sena-orange);
}
.toggle-checkbox:checked + .toggle-label {
    background-color: var(--sena-green);
}

/* Experimento 3: button neon */
button.neon-btn {
 --glow-color: rgb(217, 176, 255);
 --glow-spread-color: rgba(191, 123, 255, 0.781);
 --enhanced-glow-color: rgb(231, 206, 255);
 --btn-color: rgb(100, 61, 136);
 border: .25em solid var(--glow-color);
 padding: 1em 3em;
 color: var(--glow-color);
 font-size: 15px;
 font-weight: bold;
 background-color: var(--btn-color);
 border-radius: 1em;
 outline: none;
 box-shadow: 0 0 1em .25em var(--glow-color),
        0 0 4em 1em var(--glow-spread-color),
        inset 0 0 .75em .25em var(--glow-color);
 text-shadow: 0 0 .5em var(--glow-color);
 position: relative;
 transition: all 0.3s;
}

button.neon-btn::after {
 pointer-events: none;
 content: "";
 position: absolute;
 top: 120%;
 left: 0;
 height: 100%;
 width: 100%;
 background-color: var(--glow-spread-color);
 filter: blur(2em);
 opacity: .7;
 transform: perspective(1.5em) rotateX(35deg) scale(1, .6);
}

button.neon-btn:hover {
 color: var(--btn-color);
 background-color: var(--glow-color);
 box-shadow: 0 0 1em .25em var(--glow-color),
        0 0 4em 2em var(--glow-spread-color),
        inset 0 0 .75em .25em var(--glow-color);
}

button.neon-btn:active {
 box-shadow: 0 0 0.6em .25em var(--glow-color),
        0 0 2.5em 2em var(--glow-spread-color),
        inset 0 0 .5em .25em var(--glow-color);
}