/* ===================================================
   MEMORY.CSS — Memotest Numérico
   =================================================== */

:root {
    --carta-height: 100px;
}

/* ---- Área principal del juego ---- */
.area-juego-memory {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding-bottom: 30px;
}

/* ---- Panel de controles ---- */
.controles-memory {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 20px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    width: 100%;
    max-width: 720px;
    box-sizing: border-box;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.control-grupo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.control-grupo label {
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 0.82rem;
    color: #fff;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    opacity: 0.9;
}

.control-grupo select {
    appearance: none;
    background: #fff;
    color: #2d3436; /* Color oscuro para contraste */
    border: 2px solid #0984e3;
    border-radius: 12px;
    padding: 8px 35px 8px 14px;
    font-family: 'Fredoka One', cursive;
    font-size: 1rem;
    cursor: pointer;
    outline: none;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%230984e3' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: all 0.2s;
}

.control-grupo select option {
    background-color: #fff;
    color: #2d3436;
    font-family: 'Nunito', sans-serif;
}

.control-grupo select:hover {
    box-shadow: 0 4px 14px rgba(9, 132, 227, 0.2);
    border-color: #6c5ce7;
}

/* Panel tabla (se muestra/oculta según modo) */
#panel-tabla {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

/* ---- Tablero de cartas ---- */
.tablero-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    padding: 0 6px;
    box-sizing: border-box;
}

/* ---- Carta ---- */
.carta {
    height: var(--carta-height);
    background: linear-gradient(135deg, #00cec9, #4ECDC4);
    border-radius: 18px;
    border: 3px solid rgba(255, 255, 255, 0.4);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.4rem;
    font-family: 'Fredoka One', cursive;
    color: transparent;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    user-select: none;
    overflow: hidden;
}

.carta:hover:not(.encontrada):not(.volteada) {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 12px 24px rgba(108, 92, 231, 0.4);
    border-color: rgba(255, 255, 255, 0.8);
}

/* Cara visible */
.carta.volteada {
    background: linear-gradient(135deg, #fff, #f0f0f0);
    color: #0984e3; /* Azul vibrante */
    border-color: #00cec9;
    transform: scale(1.06);
    box-shadow: 0 6px 18px rgba(253,121,168,0.45);
}

/* Carta encontrada */
.carta.encontrada {
    background: linear-gradient(135deg, #55efc4, #81ecec);
    color: #0984e3; /* Azul vibrante */
    border-color: #00b894;
    cursor: default;
    transform: scale(1);
    box-shadow: 0 3px 8px rgba(0,184,148,0.35);
    animation: encontradaPulse 0.4s ease;
}

@keyframes encontradaPulse {
    0%   { transform: scale(1.15); }
    60%  { transform: scale(0.95); }
    100% { transform: scale(1); }
}

/* Ícono "boca abajo" */
.carta::after {
    content: "❓";
    position: absolute;
    font-size: 2rem;
    color: rgba(255,255,255,0.6);
    pointer-events: none;
}

.carta.volteada::after,
.carta.encontrada::after {
    display: none;
}

.btn-accion-memory {
    background: linear-gradient(135deg, #ff7675, #d63031);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 10px 20px;
    font-family: 'Fredoka One', cursive;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(214, 48, 49, 0.3);
    transition: all 0.3s ease;
    margin-top: 5px;
}

.btn-accion-memory:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 20px rgba(214, 48, 49, 0.5);
    filter: brightness(1.1);
}

.btn-accion-memory:active {
    transform: translateY(1px);
}

/* ---- Stats en cabecera ---- */
.stats-memory {
    display: flex;
    gap: 20px;
    align-items: center;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
}

.stat-badge {
    background: rgba(255,255,255,0.18);
    border-radius: 30px;
    padding: 4px 14px;
    border: 2px solid rgba(255,255,255,0.3);
    white-space: nowrap;
}

/* ---- Responsive ---- */
@media (max-width: 540px) {
    .tablero-grid {
        gap: 8px;
    }
    .carta {
        border-width: 3px;
        font-size: 1rem;
        border-radius: 10px;
    }
    .controles-memory {
        gap: 10px;
        padding: 10px 12px;
    }
}

@media (max-width: 360px) {
    .carta {
        font-size: 0.85rem;
    }
}