@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600&display=swap');

@view-transition {
    navigation: auto;
}

:root {
    --bg-color: #0d0d0d;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.2);
    --accent-color: #0ea5e9;
    --accent-glow: rgba(14, 165, 233, 0.9);
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --glass-blur: 15px;

    /* Category Colors - Swapped Trabajo & Herramientas */
    --clr-diario: #0ea5e9;       /* Cyan-Blue */
    --clr-trabajo: #f59e0b;      /* Amber */
    --clr-herramientas: #10b981;  /* Emerald */
    --clr-utilidades: #8b5cf6;    /* Violet */
    --clr-practicas: #0ea5e9;     /* Original Blue */
}
 
html,
body {
    background-color: var(--bg-color) !important;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.ui.container {
    padding-top: 0.5rem;
    padding-bottom: 2rem;
}

.contenedor-enlaces {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

.card {
    text-decoration: none;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.card:hover::before {
    opacity: 1;
}

/* Selected State */
.card.selected {
    border-color: var(--accent-color);
    background: rgba(14, 165, 233, 0.3);
    /* Stronger blue background */
    box-shadow: 0 0 40px var(--accent-glow), 0 0 15px rgba(14, 165, 233, 0.5);
    transform: scale(1.05);
    border-width: 3px;
    z-index: 10;
}

.card.selected .enlace span {
    color: var(--accent-color);
    text-shadow: 0 0 8px var(--accent-glow);
}

/* Dimmed State for other cards */
.card.dimmed {
    opacity: 0.6;
    /* Significantly increased from 0.3 for low light visibility */
    filter: grayscale(30%);
    /* Reduced grayscale and removed blur */
}

.card .enlace {
    z-index: 1;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.card .enlace i.icono-menu {
    margin: 0;
    color: var(--accent-color);
    transition: transform 0.3s ease;
    opacity: 0.8;
}

.card:hover i.icono-menu {
    transform: scale(1.2) rotate(5deg);
    opacity: 1;
}

.card .enlace span {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Category Grouping Logic */
.categoria-grupo {
    display: contents; /* Allows children to participate in the main grid in desktop */
}

.categoria-header {
    display: none; /* Hide headers on desktop */
}

.categoria-contenido,
.categoria-grid {
    display: contents; /* Flatten group to feed cards to the main grid */
}

/* Category Specific Colors - Higher contrast background and distinct icon colors */
.card.diario       { border-color: rgba(14, 165, 233, 0.5); background: rgba(14, 165, 233, 0.12); }
.card.diario i     { color: var(--clr-diario); }

.card.trabajo      { border-color: rgba(245, 158, 11, 0.5); background: rgba(245, 158, 11, 0.12); }
.card.trabajo i    { color: var(--clr-trabajo); }

.card.herramientas { border-color: rgba(16, 185, 129, 0.5); background: rgba(16, 185, 129, 0.12); }
.card.herramientas i { color: var(--clr-herramientas); }

.card.utilidades   { border-color: rgba(139, 92, 246, 0.5); background: rgba(139, 92, 246, 0.12); }
.card.utilidades i { color: var(--clr-utilidades); }

.card.practicas    { border-color: rgba(14, 165, 233, 0.5); background: rgba(14, 165, 233, 0.12); }
.card.practicas i  { color: var(--clr-practicas); }

/* Unified Hover Effect for categories */
.card:hover { 
    background-color: rgba(255, 255, 255, 0.15); 
    border-color: rgba(255, 255, 255, 0.6);
}


@media (max-width: 600px) {
    .ui.container {
        padding-top: 10vh; /* Reduced from 15vh for shorter margin on mobile */
        padding-bottom: 5vh;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }

    .contenedor-enlaces {
        display: block; /* Stack category groups vertically */
        padding: 0.5rem;
    }

    .categoria-grupo {
        display: block;
        margin-bottom: 0.75rem;
    }

    .categoria-header {
        display: flex; /* Visible in mobile */
        justify-content: center;
        align-items: center;
        gap: 1.5rem;
        padding: 1.8rem 1.5rem;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 12px;
        cursor: pointer;
        margin-bottom: 0.5rem;
        backdrop-filter: blur(var(--glass-blur));
        -webkit-backdrop-filter: blur(var(--glass-blur));
        transition: all 0.3s ease;
    }

    .categoria-header:hover {
        background: rgba(255, 255, 255, 0.12);
        transform: scale(1.02);
    }

    .categoria-header:hover i.icon {
        transform: scale(1.2) rotate(5deg);
        opacity: 1;
    }

    /* Category Header Colors */
    .categoria-header.diario       { border-color: rgba(14, 165, 233, 0.5); background: rgba(14, 165, 233, 0.15); }
    .categoria-header.diario i, .categoria-header.diario span { color: var(--clr-diario); }

    .categoria-header.trabajo      { border-color: rgba(245, 158, 11, 0.5); background: rgba(245, 158, 11, 0.15); }
    .categoria-header.trabajo i, .categoria-header.trabajo span { color: var(--clr-trabajo); }

    .categoria-header.herramientas { border-color: rgba(16, 185, 129, 0.5); background: rgba(16, 185, 129, 0.15); }
    .categoria-header.herramientas i, .categoria-header.herramientas span { color: var(--clr-herramientas); }

    .categoria-header.utilidades   { border-color: rgba(139, 92, 246, 0.5); background: rgba(139, 92, 246, 0.15); }
    .categoria-header.utilidades i, .categoria-header.utilidades span { color: var(--clr-utilidades); }

    .categoria-header.practicas    { border-color: rgba(14, 165, 233, 0.5); background: rgba(14, 165, 233, 0.15); }
    .categoria-header.practicas i, .categoria-header.practicas span { color: var(--clr-practicas); }

    .categoria-header i.icon {
        font-size: 1.8rem;
        margin: 0;
        transition: transform 0.3s ease;
        opacity: 0.8;
    }

    .categoria-titulo {
        font-weight: 700;
        font-size: 1.4rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--text-secondary);
    }

    .categoria-contenido {
        display: none; /* Controlled by JS transition */
    }

    .categoria-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding-top: 1rem;
        padding-left: 1.5rem; /* Increased to make buttons narrower and stand out */
        padding-right: 1.5rem;
        padding-bottom: 1rem;
    }

    .card {
        padding: 1.25rem 0.8rem;
        border-radius: 12px;
    }

    .card .enlace {
        gap: 0.8rem;
    }

    .card .enlace span {
        font-size: 1.2rem;
    }

    .card .enlace i.icon {
        font-size: 1.5em !important;
    }
}