/* ============================================================
   CÍRCULO UNITARIO — estética glass del sitio
   ============================================================ */

.cu-wrap {
    width: 100%;
    min-width: 0;
    max-width: 1160px;
    margin: 0 auto clamp(3rem, 8vw, 5rem);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* título un poco más arriba en esta página */
.page-head {
    padding-top: clamp(1.1rem, 3.5vw, 2.2rem);
}

/* ---------- tarjeta glass base ---------- */
.cu-card {
    background: var(--glass-bg);
    backdrop-filter: blur(14px) saturate(1.3);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: clamp(16px, 3vw, 26px);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.cu-card:hover {
    border-color: var(--accent-soft);
}

/* ---------- controles superiores ---------- */
.controls-row { display: none; }

.controls-group {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    max-width: 100%;
}

@media (max-width: 900px) {
    .controls-row {
        display: flex;
        position: fixed;
        top: 14px;
        left: 74px;
        right: 14px;
        z-index: 2399;
        align-items: center;
        justify-content: center;
        gap: 7px;
        height: 52px;
        padding: 0;
        pointer-events: auto;
        background: var(--glass-strong);
        backdrop-filter: blur(18px) saturate(1.4);
        -webkit-backdrop-filter: blur(18px) saturate(1.4);
        border: 1px solid var(--border);
        border-radius: 999px;
        box-shadow: var(--shadow-sm);
    }
    .controls-group {
        display: flex;
        align-items: center;
        gap: 5px;
        flex: 0 1 auto;
        max-width: 100%;
        min-width: 0;
        margin: 0 auto;
        justify-content: flex-start;
        padding: 8px 16px;
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
        -ms-overflow-style: none;
        -webkit-overflow-scrolling: touch;
    }
    .controls-group::-webkit-scrollbar { display: none; }
    .controls-group > * { flex-shrink: 0; }
}

@media (min-width: 901px) {
    .controls-row {
        display: flex;
        position: fixed;
        z-index: 2401;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 0;
        background: var(--glass-strong);
        backdrop-filter: blur(18px) saturate(1.4);
        -webkit-backdrop-filter: blur(18px) saturate(1.4);
        border: 1px solid var(--border);
        border-radius: 999px;
        box-shadow: var(--shadow-sm);
    }
    .controls-group {
        display: flex;
        align-items: center;
        gap: 8px;
        flex: 0 1 auto;
        max-width: 100%;
        min-width: 0;
        margin: 0 auto;
        justify-content: flex-start;
        padding: 7px 16px;
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
        -ms-overflow-style: none;
        -webkit-overflow-scrolling: touch;
    }
    .controls-group::-webkit-scrollbar { display: none; }
    .controls-group > * { flex-shrink: 0; }
}

.dim-selector {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 3px;
    flex-shrink: 0;
    margin-left: 2px;
}

.dim-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .2px;
    color: var(--muted);
    cursor: pointer;
    white-space: nowrap;
    user-select: none;
    font-family: inherit;
    transition: all .2s ease;
}

.dim-chip:hover { color: var(--text); }

.dim-chip.active {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent);
}

.play-circle {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all .25s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text);
    flex-shrink: 0;
}

.play-circle i { font-size: 20px; }

.play-circle:hover {
    background: var(--surface-2);
    color: var(--accent);
}

.play-circle:active { transform: scale(.94); }

.play-circle.is-playing {
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 13px;
    transform: scale(1.08);
}

.play-circle.is-playing:hover {
    background: var(--accent-soft);
    color: var(--accent);
    transform: scale(1.12);
}

.angle-pill {
    display: flex;
    align-items: center;
    background: var(--surface-2);
    border: 1px solid var(--border);
    padding: 6px 12px 6px 14px;
    border-radius: 999px;
    gap: 5px;
    height: 42px;
    transition: box-shadow var(--transition);
}

.angle-pill:focus-within {
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.angle-deg {
    font-size: 13px;
    font-weight: 700;
    color: var(--muted);
    margin-right: 4px;
    user-select: none;
}

.angle-pill > i { font-size: 16px; color: var(--muted); }

.angle-input {
    border: none;
    outline: none;
    width: 52px;
    font-family: inherit;
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    color: var(--text);
    background: transparent;
}

.angle-input::placeholder { color: var(--muted); }

/* quita las flechitas del input number */
.angle-input::-webkit-outer-spin-button,
.angle-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.angle-input[type=number] { -moz-appearance: textfield; appearance: textfield; }

.config-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all .25s ease;
    color: var(--text);
    flex-shrink: 0;
}

.config-btn i { font-size: 20px; }

.config-btn:hover {
    background: var(--surface-2);
    color: var(--accent);
}

.config-btn:active { transform: scale(.94); }

/* ---------- barra de funciones (estética conversor: contenedor glass + chips) ---------- */
.pills-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(14px) saturate(1.3);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    border: 1px solid var(--border);
    border-radius: 26px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition);
    max-width: 650px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}
.pills-grid:hover { border-color: var(--accent-soft); }

.color-wrapper {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 4px 6px 4px 10px;
    border-radius: 999px;
    min-height: 44px;
    min-width: 0;
    overflow: hidden;
    transition: all .25s ease;
}

.color-wrapper:hover {
    color: var(--text);
    transform: translateY(-1px);
}

.color-wrapper.is-off { opacity: .45; }

.pill:active { transform: scale(.93); }

.color-input-custom {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    background: none;
    overflow: hidden;
    transition: border-color .2s, transform .2s;
}

/* en 3D la paleta es fija: los selectores de color quedan inhabilitados */
.color-input-custom:disabled {
    opacity: .35;
    cursor: default;
    transition: none;
}

.color-input-custom::-webkit-color-swatch-wrapper { padding: 2px; }
.color-input-custom::-webkit-color-swatch { border: none; border-radius: 4px; }
.color-input-custom::-moz-color-swatch { border: none; border-radius: 4px; }
.color-input-custom:not(:disabled):hover { border-color: var(--accent); transform: scale(1.08); }

.pill {
    padding: 9px 10px;
    border-radius: 999px;
    cursor: pointer;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .3px;
    transition: all .25s cubic-bezier(0.25, 0.8, 0.25, 1);
    color: inherit;
    text-transform: uppercase;
    text-align: center;
    flex-grow: 1;
    user-select: none;
    white-space: nowrap;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pill:hover:not(.active) { background: var(--surface); color: var(--text); }

.pill.active {
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
    transform: scale(1.03);
}

.eye-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--muted);
    transition: color .2s ease, opacity .2s ease;
    border-radius: 50%;
    flex-shrink: 0;
}

.eye-btn i { font-size: 15px; }
.eye-btn:hover { color: var(--accent); }
.eye-btn.hidden { opacity: .35; }

/* ---------- lienzos ---------- */
.cu-main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 850px) {
    .cu-main-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.canvas-card {
    position: relative;
    min-width: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(14px) saturate(1.3);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 12px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.canvas-card canvas {
    width: min(100%, 500px) !important;
    max-width: 100%;
    height: auto !important;
    aspect-ratio: 1 / 1;
    display: block;
    margin: 0 auto;
    touch-action: none;
    cursor: grab;
}

.canvas-card canvas:active { cursor: grabbing; }

/* ---------- visor 3D ---------- */
.cu-wrap.dim-3d .cu-main-grid { display: none; }

.cu-3d-card {
    display: none;
    position: relative;
    padding: 0;
    overflow: hidden;
    align-items: stretch;
}

.cu-wrap.dim-3d .cu-3d-card { display: block; }

#cu3dContainer {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 11;
    min-height: 320px;
    overflow: hidden;
}

#cu3dContainer canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    touch-action: none;
    cursor: grab;
}

#cu3dContainer canvas:active { cursor: grabbing; }

.cu-3d-hint {
    position: absolute;
    bottom: 12px;
    right: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .2px;
    color: var(--muted);
    background: var(--glass-bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 12px;
    pointer-events: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2;
}

.cu-3d-hint i { font-size: 14px; }

@media (max-width: 600px) {
    #cu3dContainer { min-height: 260px; }
}

/* ---------- botón pantalla completa del visor ---------- */
.cu-fs-btn {
    position: absolute;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--muted);
    cursor: pointer;
    z-index: 5;
    font-size: 16px;
    transition: all .35s cubic-bezier(.32,.72,0,1);
}
.cu-fs-btn:hover {
    color: var(--accent);
    background: var(--accent-soft);
    border-color: var(--accent);
    transform: scale(1.06);
}
.cu-fs-btn:active { transform: scale(.94); }
.canvas-card > .cu-fs-btn { top: 10px; right: 10px; }

/* en pantalla completa se oculta el selector 2D/3D de la barra flotante */
body.cu-fs-open .dim-selector { display: none; }

/* botón de retraer: oculto por defecto, solo se muestra en pantalla completa */
.cu-fs-exit { display: none; }
body.cu-fs-open .cu-fs-exit { display: inline-flex; }

/* Al expandir el visor, su botón flotante se retira: salir de pantalla
   completa queda solo en la barra (Reproducir/ángulo/config) y con Escape,
   para no tener dos botones iguales superpuestos en la misma esquina. */
body.cu-fs-open .cu-fs-btn { display: none; }

/* estado pantalla completa: el visor cubre todo, la barra de controles queda encima */
body.cu-fs-open { overflow: hidden; }
.cu-fs-active {
    position: fixed;
    inset: 0;
    z-index: 2390; /* debajo de .controls-row (2399/2401) para que sigan visibles */
    background: var(--bg);
    border-radius: 0;
    box-shadow: none;
}
.cu-fs-active.cu-main-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    padding: 14px;
    align-items: center;
    align-content: center;
    justify-content: center;
}
.cu-fs-active.cu-main-grid .canvas-card {
    flex: 1 1 320px;
    max-width: min(46vw, calc(100vh - 150px));
    max-height: calc(100vh - 150px);
}
.cu-fs-active.cu-main-grid canvas { width: 100%; height: auto; }
.cu-fs-active#cu3dCard {
    display: flex;
    flex-direction: column;
    padding: 12px;
}
.cu-fs-active#cu3dCard #cu3dContainer { flex: 1; min-height: 0; width: 100%; }

@media (max-width: 700px) {
    .cu-fs-active.cu-main-grid { flex-direction: column; }
    .cu-fs-active.cu-main-grid .canvas-card {
        flex: 1 1 auto;
        max-width: 100%;
        max-height: calc(50vh - 96px);
    }
    .cu-fs-active.cu-main-grid canvas { width: auto; height: auto; max-width: 100%; max-height: calc(50vh - 130px); }
}

/* ---------- panel de valores ---------- */
.data-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
}

.data-item {
    min-width: 0;
    padding: 15px 12px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 96px;
    background: var(--glass-bg);
    backdrop-filter: blur(14px) saturate(1.3);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform .25s ease, border-color .25s ease;
}

.data-item:hover { transform: translateY(-3px); border-color: var(--accent-soft); }

.data-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 5px;
    letter-spacing: .5px;
}

.data-value {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.data-exact {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-top: 4px;
}

.data-rad {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    margin-top: 2px;
}

/* ---------- identidades ---------- */
.identities-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 12px;
}

.identity-category {
    min-width: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(14px) saturate(1.3);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 18px 15px;
    box-shadow: var(--shadow-sm);
    transition: transform .25s ease, border-color .25s ease;
}

.identity-category:hover { transform: translateY(-3px); border-color: var(--accent-soft); }

.identity-cat-title {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
}

.identity-cat-title i { font-size: 17px; }

.identity-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.identity-item {
    min-width: 0;
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    padding: 8px 12px;
    background: var(--surface-2);
    border-radius: 14px;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all .2s ease;
}

.identity-item:hover {
    background: var(--surface);
    border-color: var(--border);
}

.identity-formula {
    opacity: .75;
    margin-top: 5px;
    display: block;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 10px;
}

.identity-latex {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    font-size: 15px;
    color: var(--text);
}

.identity-latex .katex { font-size: 1em; }

.identity-value {
    font-weight: 800;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
    font-size: 12px;
    margin-top: 3px;
}

@media (max-width: 768px) {
    .identities-section {
        grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    }
}

/* ---------- tabla de valores notables ---------- */
.notable-table-title {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 18px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

.notable-table-title i { color: var(--muted); font-size: 17px; }

.notable-table-wrapper {
    max-width: 100%;
    overflow-x: auto;
    border-radius: 18px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.notable-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.notable-table th,
.notable-table td {
    padding: 13px 12px;
    border-bottom: 1px solid var(--border);
    text-align: center;
    min-width: 70px;
}

.notable-table .katex { font-size: 17px; }

.notable-table th {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800;
    color: var(--muted);
    font-size: 10px;
    background: var(--surface-2);
    position: sticky;
    top: 0;
}

.notable-table tr:last-child td { border-bottom: none; }

.notable-table tr:hover td { background: var(--surface-2); }

.notable-table .angle-col {
    font-weight: 700;
    color: var(--text);
    background: var(--surface-2);
}

/* ---------- botón descargar ---------- */
.btn-cu-download {
    position: absolute;
    top: 10px;
    right: 54px;
    z-index: 5;
    height: 34px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--muted);
    cursor: pointer;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
}

.btn-cu-download:hover { border-color: var(--accent); color: var(--accent); }


/* ---------- responsive ---------- */
@media (max-width: 600px) {
    .pills-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 5px;
        padding: 8px;
        border-radius: 20px;
    }
    .color-wrapper { min-height: 40px; padding: 3px 4px 3px 7px; }
    .pill { font-size: .66rem; padding: 7px 6px; letter-spacing: .2px; }
    .color-input-custom { width: 24px; height: 24px; border-radius: 6px; }
    .eye-btn { width: 24px; height: 24px; }
    .eye-btn i { font-size: 13px; }
    .data-panel {
        grid-template-columns: 1fr 1fr;
    }
    .controls-group { gap: 8px; }

    /* evita el zoom automático de iOS al tocar el input de ángulo */
    .angle-input { font-size: 16px; }

    /* tabla de valores notables: compacta para que quepa sin scroll horizontal */
    .notable-table {
        font-size: 12px;
    }
    .notable-table th,
    .notable-table td {
        min-width: 0;
        padding: 9px 6px;
    }
    .notable-table .katex { font-size: 13px; }
    .notable-table-wrapper {
        margin-inline: -8px;
        padding-inline: 8px;
    }
}

/* config modal: colores de funciones (chips glass, nombre teñido del color) */
.config-color-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
    margin-top: 16px;
}
.config-color-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 9px 8px 9px 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    cursor: pointer;
    transition: border-color .2s ease, box-shadow .2s ease;
    min-width: 0;
}
.config-color-item:hover {
    border-color: var(--color-fn, var(--accent-soft));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-fn, var(--accent)) 14%, transparent);
}
.config-color-fn {
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--color-fn, var(--muted));
    min-width: 0;
    overflow: hidden;
}
.color-config {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    margin: 0;
    flex-shrink: 0;
    padding: 0;
    border: 2px solid var(--border);
    background: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    overflow: hidden;
    transition: border-color .2s, transform .2s;
}
.color-config::-webkit-color-swatch-wrapper { padding: 2px; }
.color-config::-webkit-color-swatch { border-radius: 4px; border: none; }
.color-config::-moz-color-swatch { border-radius: 4px; border: none; }
.color-config:not(:disabled):hover { border-color: var(--accent); transform: scale(1.08); }

/* config modal: selector de áreas 3D (mismo estilo chip que los colores) */
.config-area-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
    margin-top: 16px;
}
.config-area-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 9px 8px 9px 12px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    cursor: pointer;
    transition: border-color .2s ease, box-shadow .2s ease;
    min-width: 0;
    user-select: none;
}
.config-area-item:hover {
    border-color: var(--color-fn, var(--accent-soft));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-fn, var(--accent)) 14%, transparent);
}
.config-area-item input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
/* caja del checkbox: mismas medidas del swatch de color (34x24, radio 8) */
.config-area-box {
    position: relative;
    width: 34px;
    height: 24px;
    flex-shrink: 0;
    border-radius: 8px;
    border: 2px solid var(--border);
    background: var(--surface);
    transition: all .18s ease;
}
.config-area-item input:checked ~ .config-area-box {
    background: var(--color-fn, var(--accent));
    border-color: var(--color-fn, var(--accent));
}
/* modo "solo la función seleccionada": los checkboxes pierden su palomita */
.areaselected-on .config-area-item input:checked ~ .config-area-box {
    background: var(--surface);
    border-color: var(--border);
}
.areaselected-on .config-area-item input:checked ~ .config-area-box::after {
    content: none;
}
.areaselected-on .config-area-item {
    opacity: .45;
    pointer-events: none;
}
.config-area-item input:checked ~ .config-area-box::after {
    content: '';
    position: absolute;
    left: 12px;
    top: 4px;
    width: 6px;
    height: 11px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.config-3d-badge {
    display: inline-block;
    font-size: .58rem;
    font-weight: 800;
    letter-spacing: .5px;
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    vertical-align: 1px;
    margin-left: 4px;
}


@media (max-width: 900px) {
    .content { padding-left: 12px; padding-right: 12px; }
}