/* css/categories.css — Category grid, icons, spec highlight */
/* ==========================================================================
   Bento Grid Layout System
   ========================================================================== */
.categorias-contenedor {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: minmax(340px, auto);
    gap: var(--bento-gap);
    width: 100%;
}

.categoria {
    --chrome-lx: 28%;
    --chrome-ly: 12%;
    --chrome-angle: -38deg;
    grid-column: span 1;
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid transparent;
    border-radius: var(--radius-xl);
    padding: 18px 16px 16px;
    box-shadow:
        0 0 0 1px var(--chrome-hairline),
        inset 0 1px 0 var(--chrome-inset-hi),
        inset 0 -2px 8px var(--chrome-inset-lo),
        var(--shadow-subtle);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    isolation: isolate;
    min-height: 0;
    height: auto;
}

.categoria.categoria-featured {
    grid-column: span 1;
}

/* Reactive Cursor Spotlight Glow */
.categoria::before {
    content: '';
    position: absolute;
    top: var(--mouse-y, -1000px);
    left: var(--mouse-x, -1000px);
    transform: translate(-50%, -50%);
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, var(--card-spotlight) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.categoria:hover {
    transform: translateY(-6px);
    border-color: transparent;
    box-shadow:
        0 0 0 1px var(--chrome-hairline),
        inset 0 1px 0 var(--chrome-inset-hi),
        inset 0 -2px 8px var(--chrome-inset-lo),
        var(--shadow-elevated);
}

.categoria::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 6px;
    pointer-events: none;
    z-index: 4;
    background:
        radial-gradient(
            280px circle at var(--chrome-lx) var(--chrome-ly),
            rgba(255, 255, 255, 0.98) 0%,
            rgba(214, 218, 228, 0.5) 20%,
            transparent 55%
        ),
        conic-gradient(
            from var(--chrome-angle),
            #16161a 0deg,
            #c5c6ce 30deg,
            #ffffff 50deg,
            #8b8c96 84deg,
            #2a2a30 126deg,
            #b3b4bc 168deg,
            #5a5b64 206deg,
            #ececf2 244deg,
            #3c3c44 288deg,
            #d0d1d8 328deg,
            #16161a 360deg
        );
    background-blend-mode: screen, normal;
    -webkit-mask-image: linear-gradient(#000 0 0), linear-gradient(#000 0 0);
    -webkit-mask-origin: content-box, border-box;
    -webkit-mask-clip: content-box, border-box;
    mask-image: linear-gradient(#000 0 0), linear-gradient(#000 0 0);
    mask-origin: content-box, border-box;
    mask-clip: content-box, border-box;
    mask-composite: exclude;
    -webkit-mask-composite: xor;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.62);
}

html.no-chrome-bezel .categoria {
    border-color: var(--card-border);
    box-shadow: var(--shadow-subtle);
}

html.no-chrome-bezel .categoria:hover {
    border-color: var(--card-border-hover);
    box-shadow: var(--shadow-elevated);
}

html.no-chrome-bezel .categoria::after {
    display: none;
}

/* Category Header */
.categoria-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    min-height: 28px;
    text-align: center;
}

[data-theme="light"] .categoria-header {
    border-bottom-color: rgba(0, 0, 0, 0.05);
}

.cat-tag-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.tag-cyan { background: var(--tag-cyan); box-shadow: 0 0 10px var(--tag-cyan); }
.tag-purple { background: var(--tag-purple); box-shadow: 0 0 10px var(--tag-purple); }
.tag-pink { background: var(--tag-pink); box-shadow: 0 0 10px var(--tag-pink); }
.tag-amber { background: var(--tag-amber); box-shadow: 0 0 10px var(--tag-amber); }
.tag-blue { background: var(--tag-blue); box-shadow: 0 0 10px var(--tag-blue); }
.tag-emerald { background: var(--tag-emerald); box-shadow: 0 0 10px var(--tag-emerald); }
.tag-violet { background: var(--tag-violet); box-shadow: 0 0 10px var(--tag-violet); }
.tag-orange { background: var(--tag-orange); box-shadow: 0 0 10px var(--tag-orange); }
.tag-red { background: var(--tag-red); box-shadow: 0 0 10px var(--tag-red); }
.tag-magenta { background: var(--tag-magenta); box-shadow: 0 0 10px var(--tag-magenta); }
.tag-yellow { background: var(--tag-yellow); box-shadow: 0 0 10px var(--tag-yellow); }

.categoria h2 {
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin: 0;
    text-align: center;
}

.cat-badge {
    display: none;
}

/* Category Centered Expansion Modal */
.category-expand-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(4, 7, 13, 0.78);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    z-index: 9990;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.category-expand-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.categoria-grid-placeholder {
    visibility: hidden !important;
    pointer-events: none !important;
}

.categoria.is-expanded {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: min(92vw, 620px) !important;
    max-height: min(85vh, 640px) !important;
    height: auto !important;
    z-index: 9995 !important;
    padding: 24px 24px 22px !important;
    background: var(--card-bg) !important;
    border-color: rgba(255, 255, 255, 0.25) !important;
    box-shadow:
        0 25px 65px -10px rgba(0, 0, 0, 0.88),
        0 0 45px var(--accent-glow),
        inset 0 1px 2px rgba(255, 255, 255, 0.45) !important;
    overflow-y: auto !important;
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
    animation: categoryExpandZoom 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.categoria.is-expanded::-webkit-scrollbar {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
}

.categoria.is-expanded .categoria-header {
    margin-bottom: 18px !important;
    padding-bottom: 14px !important;
}

.categoria.is-expanded .categoria-header h2 {
    font-size: 1.15rem !important;
    letter-spacing: 0.8px !important;
}

.categoria.is-expanded .cat-tag-indicator {
    width: 10px !important;
    height: 10px !important;
}

.categoria.is-expanded .iconos-grupo {
    grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)) !important;
    gap: 14px !important;
    padding: 4px 2px !important;
}

.categoria.is-expanded .enlace-icono {
    min-height: 98px !important;
    padding: 10px 6px !important;
}

.categoria.is-expanded .icon-img-wrapper {
    width: 60px !important;
    height: 60px !important;
}

.categoria.is-expanded .icon-title {
    font-size: 0.82rem !important;
}

@keyframes categoryExpandZoom {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.86);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

body.category-expanded-active {
    overflow: hidden;
}

/* Icons Grid inside Category */
.iconos-grupo {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    gap: 8px;
    align-content: start;
    flex-grow: 1;
    min-height: 0;
    overflow: visible;
}

/* Individual Icon Anchor Card */
.enlace-icono {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    padding: 12px 6px;
    border-radius: var(--radius-lg);
    background: transparent;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
    position: relative;
}

.enlace-icono:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-6px) scale(1.06);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.45);
}

.enlace-icono.bento-kbd-focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    background: rgba(0, 242, 254, 0.08);
    border-color: rgba(0, 242, 254, 0.35);
}

[data-theme="light"] .enlace-icono:hover {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.08);
}

.icon-img-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.62);
    box-shadow:
        0 8px 14px -4px rgba(0, 0, 0, 0.42),
        inset 0 1px 1px rgba(255, 255, 255, 0.55),
        inset 0 -2px 4px rgba(0, 0, 0, 0.18);
    transition: var(--transition-bounce);
}

.icon-img-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    pointer-events: none;
    z-index: 2;
    background: linear-gradient(
        125deg,
        rgba(255, 255, 255, 0.55) 0%,
        rgba(255, 255, 255, 0.2) 22%,
        rgba(255, 255, 255, 0.04) 26%,
        transparent 48%
    );
    mix-blend-mode: screen;
    transition: var(--transition-smooth);
}

.icon-img-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    pointer-events: none;
    z-index: 3;
    background:
        radial-gradient(circle at 76% 16%, #fff 0 3.4%, rgba(255, 255, 255, 0.7) 5.2%, transparent 9.5%),
        radial-gradient(circle at 86% 28%, #fff 0 2.6%, rgba(255, 255, 255, 0.55) 4.2%, transparent 7.8%),
        radial-gradient(circle at 18% 76%, #fff 0 3.4%, rgba(255, 255, 255, 0.7) 5.2%, transparent 9.5%),
        radial-gradient(circle at 28% 86%, #fff 0 2.6%, rgba(255, 255, 255, 0.55) 4.2%, transparent 7.8%);
    filter: drop-shadow(0 0 2.4px rgba(255, 255, 255, 0.95));
    transition: var(--transition-smooth);
}

.icon-img-wrapper img {
    width: 78%;
    height: 78%;
    object-fit: contain;
    border-radius: 22%;
    position: relative;
    z-index: 1;
    filter: none;
    transition: var(--transition-bounce);
}

.enlace-icono:hover .icon-img-wrapper,
.radial-node-btn:hover .icon-img-wrapper {
    transform: scale(1.22);
    border-color: rgba(255, 255, 255, 0.98);
    background: rgba(255, 255, 255, 0.16);
    box-shadow:
        0 12px 24px -4px rgba(0, 0, 0, 0.55),
        0 0 18px var(--accent-glow),
        0 0 32px rgba(255, 255, 255, 0.42),
        inset 0 2px 3px rgba(255, 255, 255, 0.95),
        inset 0 0 14px rgba(255, 255, 255, 0.38),
        inset 0 -3px 5px rgba(0, 0, 0, 0.22);
}

.enlace-icono:hover .icon-img-wrapper::before,
.radial-node-btn:hover .icon-img-wrapper::before {
    background: linear-gradient(
        125deg,
        rgba(255, 255, 255, 0.85) 0%,
        rgba(255, 255, 255, 0.42) 24%,
        rgba(255, 255, 255, 0.12) 32%,
        transparent 55%
    );
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.75));
}

.enlace-icono:hover .icon-img-wrapper::after,
.radial-node-btn:hover .icon-img-wrapper::after {
    filter: drop-shadow(0 0 4.5px rgba(255, 255, 255, 1)) drop-shadow(0 0 8px var(--accent-primary));
    transform: scale(1.05);
}

.enlace-icono:hover .icon-img-wrapper img,
.radial-node-btn:hover .icon-img-wrapper img {
    transform: scale(1.08);
    filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.4));
}

/* Destello especular al pasar por encima: se reproduce una vez por hover y vuelve a
   dispararse solo al salir del icono y volver (el :hover reinicia la animación). */
.icon-img-wrapper .icon-glint {
    position: absolute;
    top: -25%;
    left: 0;
    width: 55%;
    height: 150%;
    pointer-events: none;
    z-index: 5;
    mix-blend-mode: screen;
    opacity: 0;
    transform: translateX(-150%) skewX(-20deg);
    background: linear-gradient(
        105deg,
        transparent 0%,
        rgba(255, 255, 255, 0) 30%,
        rgba(255, 255, 255, 0.85) 46%,
        rgba(255, 255, 255, 0.98) 50%,
        rgba(255, 255, 255, 0.85) 54%,
        rgba(255, 255, 255, 0) 70%,
        transparent 100%
    );
    filter: blur(0.4px);
}

.enlace-icono:hover .icon-img-wrapper .icon-glint,
.radial-node-btn:hover .icon-img-wrapper .icon-glint {
    animation: iconGlint 0.7s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes iconGlint {
    0%   { transform: translateX(-150%) skewX(-20deg); opacity: 0; }
    18%  { opacity: 0.95; }
    60%  { opacity: 0.85; }
    85%  { transform: translateX(180%) skewX(-20deg); opacity: 0; }
    100% { transform: translateX(180%) skewX(-20deg); opacity: 0; }
}

[data-theme="light"] .icon-img-wrapper .icon-glint {
    mix-blend-mode: normal;
    background: linear-gradient(
        105deg,
        transparent 0%,
        rgba(255, 255, 255, 0) 30%,
        rgba(255, 255, 255, 0.55) 46%,
        rgba(255, 255, 255, 0.72) 50%,
        rgba(255, 255, 255, 0.55) 54%,
        rgba(255, 255, 255, 0) 70%,
        transparent 100%
    );
}

[data-theme="light"] .enlace-icono:hover .icon-img-wrapper,
[data-theme="light"] .radial-node-btn:hover .icon-img-wrapper {
    background: rgba(255, 255, 255, 0.55);
    border-color: rgba(255, 255, 255, 1);
    box-shadow:
        0 12px 22px -4px rgba(15, 23, 42, 0.22),
        0 0 20px rgba(0, 180, 216, 0.35),
        inset 0 2px 3px rgba(255, 255, 255, 1),
        inset 0 0 12px rgba(255, 255, 255, 0.6),
        inset 0 -3px 5px rgba(80, 92, 112, 0.2);
}

[data-theme="light"] .icon-img-wrapper {
    background: rgba(255, 255, 255, 0.28);
    border-color: rgba(176, 184, 198, 0.95);
    box-shadow:
        0 8px 14px -4px rgba(15, 23, 42, 0.16),
        inset 0 1px 1px rgba(255, 255, 255, 1),
        inset 0 -3px 5px rgba(80, 92, 112, 0.16);
}

[data-theme="light"] .icon-img-wrapper::before {
    mix-blend-mode: normal;
    background: linear-gradient(
        125deg,
        rgba(255, 255, 255, 0.78) 0%,
        rgba(255, 255, 255, 0.32) 22%,
        rgba(210, 220, 235, 0.1) 28%,
        transparent 52%
    );
}

.icon-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: var(--transition-fast);
}

.enlace-icono:hover .icon-title {
    color: var(--text-primary);
}

/* ==========================================================================
   No Results Box
   ========================================================================== */
.no-results-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    gap: 12px;
}

.no-results-icon {
    width: 56px;
    height: 56px;
    color: var(--text-muted);
}

.no-results-box h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--text-primary);
}

.no-results-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}