/* styles/sudoku.css */

:root {
    --sdk-blue: #3b82f6;
    /* Azul moderno (Accent) */
    --sdk-blue-light: #eff6ff;
    --sdk-bg: #fff;
    --sdk-border: #e5e7eb;
    --sdk-border-thick: #374151;
    --sdk-text: #1f2937;
    --sdk-pencil: #6b7280;
    --sdk-error: #ef4444;
}

body.dark-mode {
    --sdk-bg: #1f2937;
    --sdk-text: #f9fafb;
    --sdk-border: #374151;
    --sdk-border-thick: #9ca3af;
    --sdk-blue-light: #374151;
    --sdk-pencil: #9ca3af;
}

/* --- LAYOUT GLOBAL --- */
.sdk-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 10px;
    width: 100%;
}

/* --- CONTENEDOR DEL JUEGO --- */
.sdk-container {
    width: 100%;
    max-width: 500px;
    background: var(--sdk-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    margin-bottom: 20px;
    border: 1px solid var(--sdk-border);
}

/* --- BARRA SUPERIOR (SALA + COMPROBAR) --- */
.game-controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--sdk-border);
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Estilos de Sala */
.room-group .label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sdk-text);
}

.code-display {
    font-family: 'Roboto Mono', monospace;
    font-size: 1rem;
    color: var(--sdk-blue);
    cursor: pointer;
    letter-spacing: 1px;
}

.join-wrapper {
    display: flex;
    gap: 4px;
}

#input-join-code {
    width: 50px;
    padding: 6px;
    text-align: center;
    text-transform: uppercase;
    border: 1px solid var(--sdk-border);
    border-radius: 4px;
    font-size: 0.85rem;
    background: var(--sdk-bg);
    color: var(--sdk-text);
}



/* BOTÓN COMPROBAR AZUL (Crucial) */


/* Azul más oscuro al hover */

/* Dropdowns */
.dropdown-content {
    position: absolute;
    top: 120%;
    right: 0;
    background: var(--sdk-bg);
    border: 1px solid var(--sdk-border);
    border-radius: 6px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    z-index: 50;
    min-width: 140px;
    overflow: hidden;
}

.dropdown-content.hidden {
    display: none;
}

.dropdown-content button {
    display: block;
    width: 100%;
    padding: 10px 15px;
    text-align: left;
    background: none;
    border: none;
    border-bottom: 1px solid var(--sdk-border);
    cursor: pointer;
    color: var(--sdk-text);
    font-size: 0.9rem;
}

.dropdown-content button:hover {
    background: var(--sdk-blue-light);
}

.dropdown-content button:last-child {
    border-bottom: none;
}

/* --- HEADER STATS --- */
.sdk-header-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--sdk-text);
}

.badge {
    background: var(--sdk-text);
    color: var(--sdk-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
}

.stat-right-group {
    display: flex;
    gap: 15px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
}

.mistakes i {
    color: var(--sdk-error);
}

.timer i {
    color: var(--sdk-blue);
}

/* --- TABLERO --- */
.sdk-board-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 25px;
}

.sdk-board {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    width: 100%;
    aspect-ratio: 1;
    border: 2px solid var(--sdk-border-thick);
    background: var(--sdk-border-thick);
    gap: 1px;
}

.sdk-cell {
    background: var(--sdk-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.4rem;
    color: var(--sdk-blue);
    cursor: pointer;
    position: relative;
}

/* Bordes 3x3 */
.sdk-cell:nth-child(3n) {
    border-right: 2px solid var(--sdk-border-thick);
}

.sdk-cell:nth-child(9n) {
    border-right: none;
}

.sdk-cell:nth-child(n+19):nth-child(-n+27),
.sdk-cell:nth-child(n+46):nth-child(-n+54) {
    border-bottom: 2px solid var(--sdk-border-thick);
}

.sdk-cell.fixed {
    color: var(--sdk-text);
    font-weight: 700;
    background: var(--sdk-blue-light);
}

.sdk-cell.selected {
    box-shadow: inset 0 0 0 3px var(--sdk-blue);
}

.sdk-cell.error {
    background: #fee2e2 !important;
    color: #991b1b !important;
}

/* --- CONTROLES ABAJO --- */
.sdk-controls-bottom {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mode-selector {
    display: flex;
    background: var(--sdk-border);
    padding: 4px;
    border-radius: 8px;
}

.mode-btn {
    flex: 1;
    border: none;
    background: transparent;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    color: var(--sdk-text);
    display: flex;
    justify-content: center;
    gap: 8px;
}

.mode-btn.active {
    background: var(--sdk-bg);
    color: var(--sdk-blue);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.sdk-action-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
}




.sdk-numpad {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 4px;
}

.num-btn {
    aspect-ratio: 1;
    border: 1px solid var(--sdk-border);
    background: var(--sdk-bg);
    border-radius: 6px;
    color: var(--sdk-blue);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
}

.num-btn:active {
    background: var(--sdk-blue-light);
}

/* --- ESTILOS CARDS JUEGOS (Copiados para consistencia) --- */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    width: 100%;
}

.game-card {
    display: flex;
    align-items: center;
    background: var(--sdk-bg);
    border: 1px solid var(--sdk-border);
    border-radius: 12px;
    padding: 15px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
}

.game-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: var(--sdk-blue);
}

.game-icon {
    font-size: 1.8rem;
    margin-right: 15px;
}

.game-info h4 {
    margin: 0;
    font-size: 1rem;
    color: var(--sdk-text);
}

.game-info p {
    margin: 2px 0 0;
    font-size: 0.8rem;
    color: var(--sdk-pencil);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .sdk-container {
        padding: 15px;
        border: none;
        box-shadow: none;
        background: transparent;
    }



    .game-controls-bar {
        flex-wrap: wrap;
    }

    /* Cabecera */
    .main-nav,
    .game-controls-bar {
        /* Opcional: Si quieres que la cabecera se quede fija al hacer scroll, usa sticky */
        /* position: sticky; top: 0; */
        flex-shrink: 0;
        min-height: 40px;
        padding: 5px;
        background: white;
        z-index: 50;
    }

    .room-group {
        justify-content: space-between;
        margin-bottom: 10px;
    }

    .action-group {
        width: 100%;
        justify-content: center;
    }

    .action-btn-main {
        width: 100%;
        justify-content: center;
    }
}

/* styles/sudoku.css */

/* Variables Locales */
:root {
    --sdk-blue: #007bff;
    --sdk-blue-light: #e7f1ff;
    --sdk-bg: #fff;
    --sdk-border: #cbd5e1;
    --sdk-border-thick: #334155;
    --sdk-text: #1e293b;
    --sdk-pencil: #64748b;
    --sdk-error: #ef4444;
}

body.dark-mode {
    --sdk-bg: #1e293b;
    --sdk-text: #f8fafc;
    --sdk-border: #475569;
    --sdk-border-thick: #94a3b8;
    --sdk-blue-light: #334155;
    --sdk-pencil: #94a3b8;
}

/* LAYOUT */
.sdk-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 10px;
    width: 100%;
}

.sdk-container {
    width: 100%;
    max-width: 500px;
    background: var(--sdk-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
    border: 1px solid var(--border-light);
}

/* STATS */
.sdk-header-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-light);
    color: var(--sdk-text);
}

.stat-right-group {
    display: flex;
    gap: 15px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
}

.badge {
    background: var(--sdk-text);
    color: var(--sdk-bg);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.mistakes i {
    color: var(--sdk-error);
}

.timer i {
    color: var(--sdk-blue);
}

/* TABLERO */
.sdk-board-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.sdk-board {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    width: 100%;
    aspect-ratio: 1;
    border: 2px solid var(--sdk-border-thick);
    background: var(--sdk-border-thick);
    gap: 1px;
}

.sdk-cell {
    background: var(--sdk-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.4rem;
    color: var(--sdk-blue);
    cursor: pointer;
    position: relative;
}

.sdk-cell:nth-child(3n) {
    border-right: 2px solid var(--sdk-border-thick);
}

.sdk-cell:nth-child(9n) {
    border-right: none;
}

.sdk-cell:nth-child(n+19):nth-child(-n+27),
.sdk-cell:nth-child(n+46):nth-child(-n+54) {
    border-bottom: 2px solid var(--sdk-border-thick);
}

.sdk-cell.fixed {
    color: var(--sdk-text);
    font-weight: 700;
    background: var(--bg-color);
}

.sdk-cell.selected {
    box-shadow: inset 0 0 0 3px var(--sdk-blue);
}

.sdk-cell.error {
    background: #fee2e2 !important;
    color: #991b1b !important;
}

/* NOTAS */
.notes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.note-num {
    font-size: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--sdk-pencil);
}

/* CONTROLES */
.sdk-controls-bottom {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mode-selector {
    display: flex;
    background: var(--bg-color);
    padding: 4px;
    border-radius: 8px;
}

.mode-btn {
    flex: 1;
    border: none;
    background: transparent;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    color: var(--sdk-text);
}

.mode-btn.active {
    background: var(--sdk-bg);
    color: var(--sdk-blue);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.sdk-action-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.icon-btn-secondary {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--sdk-text);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    width: 40px;
    display: flex;
    justify-content: center;
}

.icon-btn-secondary:hover {
    background: var(--bg-color);
}

/* DROPDOWN HACIA ARRIBA (Nuevo) */
.drop-up {
    top: auto !important;
    /* Anular top */
    bottom: 115% !important;
    /* Ir hacia arriba */
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
}

.sdk-numpad {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 4px;
}

.num-btn {
    aspect-ratio: 1;
    border: 1px solid var(--border-light);
    background: var(--sdk-bg);
    border-radius: 6px;
    color: var(--sdk-blue);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
}

.num-btn:active {
    background: var(--sdk-blue-light);
}

/* UTILIDAD CRÍTICA */
.hidden {
    display: none !important;
}

/* styles/sudoku.css */

:root {
    --sdk-blue: #007bff;
    --sdk-blue-light: #e7f1ff;
    --sdk-bg: #fff;
    --sdk-border: #cbd5e1;
    --sdk-border-thick: #334155;
    --sdk-text: #1e293b;
    --sdk-pencil: #64748b;
    --sdk-error: #ef4444;
}

body.dark-mode {
    --sdk-bg: #1e293b;
    --sdk-text: #f8fafc;
    --sdk-border: #475569;
    --sdk-border-thick: #94a3b8;
    --sdk-blue-light: #334155;
    --sdk-pencil: #94a3b8;
}

/* LAYOUT PRINCIPAL */
.sdk-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 10px;
    width: 100%;
}

.sdk-container {
    width: 100%;
    max-width: 500px;
    background: var(--sdk-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
    border: 1px solid var(--border-light);
    position: relative;
    /* Para posicionamiento */
}

/* HEADER STATS */
.sdk-header-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-light);
    color: var(--sdk-text);
}

.stat-right-group {
    display: flex;
    gap: 15px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
}

.badge {
    background: var(--sdk-text);
    color: var(--sdk-bg);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
}

.mistakes i {
    color: var(--sdk-error);
}

.timer i {
    color: var(--sdk-blue);
}

/* TABLERO */
.sdk-board-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.sdk-board {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    width: 100%;
    aspect-ratio: 1;
    border: 2px solid var(--sdk-border-thick);
    background: var(--sdk-border-thick);
    gap: 1px;
}

.sdk-cell {
    background: var(--sdk-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.4rem;
    color: var(--sdk-blue);
    cursor: pointer;
    position: relative;
}

.sdk-cell:nth-child(3n) {
    border-right: 2px solid var(--sdk-border-thick);
}

.sdk-cell:nth-child(9n) {
    border-right: none;
}

.sdk-cell:nth-child(n+19):nth-child(-n+27),
.sdk-cell:nth-child(n+46):nth-child(-n+54) {
    border-bottom: 2px solid var(--sdk-border-thick);
}

.sdk-cell.fixed {
    color: var(--sdk-text);
    font-weight: 700;
    background: var(--bg-color);
}

.sdk-cell.selected {
    box-shadow: inset 0 0 0 3px var(--sdk-blue);
}

.sdk-cell.error {
    background: #fee2e2 !important;
    color: #991b1b !important;
}

/* NOTAS */
.notes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.note-num {
    font-size: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--sdk-pencil);
}

/* CONTROLES INFERIORES */
.sdk-controls-bottom {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mode-selector {
    display: flex;
    background: var(--bg-color);
    padding: 4px;
    border-radius: 8px;
}

.mode-btn {
    flex: 1;
    border: none;
    background: transparent;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    color: var(--sdk-text);
}

.mode-btn.active {
    background: var(--sdk-bg);
    color: var(--sdk-blue);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.sdk-action-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.icon-btn-secondary {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--sdk-text);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    min-width: 44px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-btn-secondary:hover {
    background: var(--bg-color);
}

/* --- CORRECCIÓN MENÚ REVELAR (OJO) --- */
.dropdown-wrapper {
    position: relative;
}

/* Drop-up Centrado y Encima */
.drop-up {
    position: absolute;
    top: auto !important;
    /* Anular top */
    bottom: 125% !important;
    /* Subir encima del botón */
    right: auto !important;
    /* Anular right */
    left: 50% !important;
    /* Centrar horizontalmente */
    transform: translateX(-50%) !important;
    /* Ajuste fino centro */

    background: var(--sdk-bg);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    min-width: 140px;
    padding: 5px 0;
}

.drop-up button {
    display: block;
    width: 100%;
    padding: 10px 15px;
    text-align: left;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border-light);
    color: var(--sdk-text);
    cursor: pointer;
    font-size: 0.9rem;
}

.drop-up button:last-child {
    border-bottom: none;
}

.drop-up button:hover {
    background: var(--bg-color);
}

.sdk-numpad {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 4px;
}

.num-btn {
    aspect-ratio: 1;
    border: 1px solid var(--border-light);
    background: var(--sdk-bg);
    border-radius: 6px;
    color: var(--sdk-blue);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
}

.num-btn:active {
    background: var(--sdk-blue-light);
}

/* --- CORRECCIÓN MODAL (ESTRELLAS) --- */
/* Aseguramos que sea fixed y cubra toda la pantalla */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999 !important;
    /* Por encima de todo */
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--sdk-bg);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    max-width: 350px;
    width: 90%;
    color: var(--sdk-text);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* UTILIDAD CRÍTICA */
.hidden {
    display: none !important;
}

body {
    /* Variable dinámica que inyecta el JS. Ponemos la 1 por si el JS tarda en cargar */
    --bg-image: url('/img/fondo1.jpg');

    background: linear-gradient(rgba(15, 23, 42, 0.75), rgba(15, 23, 42, 0.85)),
        var(--bg-image);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;

    color: #f1f5f9;
    min-height: 100vh;
}

/* =========================================================
   SUDOKU: ADAPTACIÓN A EFECTO CRISTAL
   ========================================================= */
.sdk-main {
    background: transparent !important;
}

/* Contenedor principal de cristal */
.sdk-container {
    background: rgba(255, 255, 255, 0.05) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;
}

/* Forzar textos a blanco */
.sdk-header-stats,
.room-group .label,
.game-info h4,
.stat-item {
    color: #f1f5f9 !important;
}

/* Tablero de Sudoku */
.sdk-board {
    border-color: rgba(255, 255, 255, 0.2) !important;
    background: rgba(0, 0, 0, 0.5) !important;
}

.sdk-cell {
    background: rgba(255, 255, 255, 0.95) !important;
    /* Blanco sólido para leer bien los números */
    color: #0f172a !important;
    /* Números en oscuro */
}

/* Celdas fijas (las que ya vienen dadas) */
.sdk-cell.fixed {
    background: rgba(200, 200, 200, 0.95) !important;
    /* Gris claro */
}

/* Botonera y números inferiores (Translúcidos) */
.num-btn,
.mode-selector,
.icon-btn-secondary {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

.mode-btn {
    color: #ccc !important;
}

.mode-btn.active {
    background: rgba(59, 130, 246, 0.5) !important;
    color: #fff !important;
}

/* =========================================================
   RESALTADO DE CRUZ EN SUDOKU (FILA Y COLUMNA)
   ========================================================= */

/* Color para la fila y columna de la celda seleccionada */
.sdk-cell.highlight-axis {
    /* Un azul clarito translúcido que queda muy elegante */
    background: rgba(173, 216, 230, 1) !important;
}

/* Opcional pero muy recomendado: Resaltar los números iguales */
/* Si tocas un 5, todos los 5 del tablero se iluminan un poco más fuerte */
.sdk-cell.highlight-number {
        background: #fab005 !important;

}
/* =========================================================
   SCROLLBAR MODERNO (GLASSMORPHISM)
   ========================================================= */

/* 1. Para Firefox (Usa propiedades más nuevas y simples) */
* {
    scrollbar-width: thin; /* Hace la barra más fina */
    scrollbar-color: rgba(255, 255, 255, 0.3) rgba(15, 23, 42, 0.2); /* Color del pulgar y color del fondo */
}

/* 2. Para navegadores WebKit (Chrome, Edge, Safari, Opera) */
::-webkit-scrollbar {
    width: 10px;  /* Ancho de la barra vertical */
    height: 10px; /* Alto de la barra horizontal (por si la hay en el móvil) */
}

/* El "carril" de la barra (fondo) */
::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.2) !important; /* Azul muy oscuro y casi transparente */
    border-radius: 10px;
}

/* El "pulgar" (la barrita que arrastras) */
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2) !important; /* Blanco cristalino */
    border-radius: 10px; /* Bordes totalmente redondeados */
    
    /* Este borde transparente hace de "margen" para que la barra no toque los bordes de la pantalla */
    border: 2px solid transparent; 
    background-clip: padding-box;
}

/* Cuando pasas el ratón por encima del scroll */
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4) !important; /* Brilla más al tocarlo */
    border: 2px solid transparent; 
    background-clip: padding-box;
}