:root {
    --color-primary: #8b1d33; 
    --color-success: #3C8617; 
    --color-warning: #facc15; 
    --color-danger: #ef4444; 
    --color-gray-dark: #222548; 
    --color-gray-light: #E6E6FA; 
    --color-gray-blue: #f8fafc; 
    --color-gray-yellow: #fffbeb;
    --color-gray-green: #edffeb;;
    --color-green-dark: #166534;
    --color-green-light: #A0C496;
    --color-blue-light: #92c3fc;
    --color-yellow-dark: #fde047;
    --color-yellow-light: #fffbeb;
    --color-brown: #a16207;
    --color-gray-red: #FFC1C1;
    
}

section { padding-left: 10px; padding-right: 10px; }

.game-container {
    max-width: 48rem; 
    margin-left: auto;
    margin-right: auto;
    background-color: var(--bg-color);
    padding: 1.5rem; 
    border-radius: 0.75rem; 
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); 
    min-height: 70vh;
}

p#game-progress {
    font-size: 0.875rem; 
    color: var(--color-gray-dark); 
    margin-top: 0.25rem; 
}

#game-message {
    padding: 1rem;
    text-align: center;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: none;
    background-color: #f3f9ff;
    color: var(--text-color);
    border: 1px solid var(--text-color);
    max-width: 640px;
    margin: 1.5rem auto 0;
    position: relative;
    z-index: 9;
}

#game-message::before {
    content: "";
    font-family: 'INEIcons';
    font-size: 1.5rem;
    background: #f3f9ff;
    color: var(--text-color);
    border: 0 none;
    box-shadow: -1px 1px 1px 0 #000 inset, 1px 1px 1px 0 #000 inset;
    width: 36px;
    height: 36px;
    line-height: 36px;
    border-radius: 8px 8px 0 8px;
    position: absolute;
    right: -1px;
    top: -18px;
    z-index: -1;
}

#game-message::after {
    content: "\e920";
    position: absolute;
    right: -1px;
    top: 0;
    bottom: auto;
    background: #f3f9ff;
    width: 36px;
    height: 20px;
    font-family: 'INEIcons';
    font-size: 1.5rem;
    line-height: 0;
    border-right: 1px solid var(--text-color);
    z-index: -1;
}

#game-message.success::before { content: ""; background: #ccffde; color: var(--text-color); }
#game-message.err::before { content: ""; background: #ffcccc; color: var(--text-color); }
#game-message.success::after { content: "\e944"; background: #ccffde; color: var(--text-color); }
#game-message.err::after { content: "\e902"; background: #ffcccc; color: var(--text-color); }


#game-main-content {
    display: flex; 
    flex-wrap: wrap; 
    gap: 10px;     
    align-items: flex-start;
    text-align: center;    
    padding: 10px 0;
}
#game-main-content.fcol { flex-flow: column wrap; align-items: center; }

#game-main-content h3 {
    margin: 10px 0;
    text-align: center;
}

#game-button {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px;
    text-decoration: none !important;
}

#next-game-btn {
    padding: 12px 24px;
    background-color: var(--color-secundario);
    color: var(--bg-color);
    font-weight: bold;
    border-radius: 8px;
    transition: background-color 0.2s;
    border: none;
    cursor: pointer;
    outline: 0 none;
}

#next-game-btn:hover:not(:disabled),
#next-game-btn:focus:not(:disabled) {
    background-color: var(--text-color);
    color: var(--bg-color);
    text-decoration: none !important;
    outline: 0 none;
}

#next-game-btn:disabled {
    opacity: 0.3;
    background: var(--text-color);
    cursor: not-allowed;
    outline: 0 none;
}

#game-message button.next-game-btn {
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--text-color);
    text-transform: uppercase;
    text-decoration: none !important;
    outline: 0 none;
}

/* ---------------------------------- */
/* FLASHCARDS STYLES (NUEVO) */
/* ---------------------------------- */
#flashcards-zone {
    width: 100%;
}

.flashcard-scene {
    width: 340px;
    height: 200px;
    perspective: 1000px;
    margin: 0 auto;
    cursor: pointer;
}

.flashcard {
    width: 100%;
    height: 100%;
    position: relative;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-radius: 15px;
}

.flashcard.is-flipped {
    transform: rotateY(180deg);
}

.flashcard-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    padding: 20px;
    box-sizing: border-box;
    border: 2px solid var(--color-grafico);
}

.flashcard-front {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.flashcard-back {
    background-color: var(--color-grafico);
    color: var(--bg-color);
    transform: rotateY(180deg);
}

.flashcard-term {
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.flashcard-def {
    font-size: 1.1rem;
    line-height: 1.4;
}

.flashcard-hint {
    font-size: 0.8rem;
    margin-top: 15px;
    opacity: 0.7;
}

.flashcard-controls {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
    width: 100%;
}

#game-main-content button.fc-btn {
    background-color: var(--color-secundario);
    color: var(--bg-color);
    border: none;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
    text-decoration: none !important;
    outline: 0 none;
}

#game-main-content button.fc-btn:hover,
#game-main-content button.fc-btn:focus { background-color: var(--text-color); text-decoration: none !important; outline: 0 none; }

/* ---------------------------------- */
/* Sopa de Letras                     */
/* ---------------------------------- */
#sopa-grid-container {
    flex: 2; 
    /*max-width: 650px;*/
}

#sopa-word-list-wrapper {
    flex: 3; 
    min-width: 200px; 
}

#sopa-word-list {
    column-count: 2;
    column-gap: 20px; 
    display: block; 
}

#sopa-grid {
    display: grid;
    grid-template-columns: repeat(var(--cols), 1fr);    
    background: var(--bg-color);
}

.grid-cell {
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(0.5rem, 3vw, 1rem); 
    font-weight: bold;
    text-transform: uppercase;
    border: 1px solid var(--color-gray-light);
    cursor: pointer;
    transition: background-color 0.1s, transform 0.1s;
    user-select: none;
}

.grid-cell.selected { 
    background-color: var(--color-primary); 
    color: var(--bg-color); 
}

.grid-cell.found { 
    background-color: var(--color-grafico);
    border-radius: 4px; 
    color: var(--bg-color);
}

#sopa-word-list li { 
    margin: 5px; 
    font-size: 0.75rem;
    font-weight: bold; 
    list-style: none;
    border: 1px solid rgba(0,0,0,0.2);
    border-radius: 0.5rem;
    background-color: var(--bg-color);
    padding: 10px;
}

#sopa-word-list li.found-word, #word-list li.found-word { 
    text-decoration: line-through; 
    color: var(--color-primary);
    text-decoration-thickness: 2px;
}

@media screen and (max-width: 1024px) {
    #sopa-word-list { column-count: 1; }
}

/* ---------------------------------- */
/* JUEGO 1: COMPLETA LAS FRASES (Matching) */
/* ---------------------------------- */
.match-item {
    cursor: pointer;
    margin-bottom: 0.5rem; 
    padding: 0.75rem 1rem; 
    border-radius: 0.5rem; 
    font-weight: 500; 
    transition: all 0.2s ease;
    /*box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);*/
    border: 1px solid rgba(0,0,0,0.2);
}

.match-item:hover:not(.matched),
.match-item:focus:not(.matched) {
    /*box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);*/
    border: 1px solid var(--border-gray);
}

.match-item[data-type="concept"] {
    background-color: var(--color-gray-blue);
    color: var(--color-primary); 
}

.match-item[data-type="phrase"] {
    background-color: var(--color-grafico);
    color: var(--bg-color);
}

.match-item.selected {
    background-color: var(--color-primary) !important;
    color: var(--bg-color) !important;
    border-color: var(--color-primary) !important;
}

.match-item.matched {
    background-color: var(--color-success) !important;
    color: var(--bg-color) !important;
    border-color: var(--color-success) !important;
    cursor: default;
    box-shadow: none;
}

.match-item.error-match {
    animation: shake 0.5s;
    border-color: var(--color-danger) !important;
    background-color: var(--color-gray-red) !important;
}

#columna-conceptos {
    flex: 1;
}

#columna-frases{
    flex: 2;
}

/* ---------------------------------- */
/* Adivina la Palabra (Scrambled Letters) */
/* ---------------------------------- */
.dropzone-container, .draggable-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 20px;
    width: auto;
    min-width: 320px;
    min-height: 44px;
    position: relative;
}

.draggable-container        { border: 1px solid rgba(0, 0, 0, 0.2); border-radius: 0 0.5rem 0.5rem 0.5rem; }
.draggable-container::before{
    content: attr(data-title);
    position: absolute;
    top: calc(-1.5rem - 2px);
    left: -1px;
    padding: 0 5px;
    border-radius: 8px 8px 0 0;
    font-size: 1rem;
    font-weight: bold;
    color: var(--color-grafico);
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-bottom: 0 none;
}

.dropzone {
    width: 50px; 
    height: 50px;
    border: 2px dashed #9ca3af; 
    margin: 5px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s, background-color 0.2s;
}

.dropzone.filled {
    border-style: solid;
    border-color: var(--color-grafico); 
}

.letter-box {
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background-color: var(--color-grafico); 
    color: var(--bg-color);
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    cursor: grab;
    transition: background-color 0.2s, transform 0.1s;
}

.draggable-container .letter-box {
    margin: 5px;
    cursor: grab;
}

.dropzone-container .letter-box {
    margin: 0;
    cursor: pointer;
}

.dropzone.incorrect-placement { 
    border-color: var(--color-danger);  
    background-color: var(--color-gray-red); 
}

.letter-box.incorrect-placement { 
    border-color: var(--color-danger);
}

#palabra-clue {
    font-size: 1.2rem;
    line-height: 1.5rem;
    font-weight: 700; 
    color: var(--color-gray-dark); 
    margin: 2rem 0;
    width: 100%;
}

/* ---------------------------------------------------- */
/* JUEGO 5: VERDADERO O FALSO RÁPIDO STYLES (NUEVO) */
/* ---------------------------------------------------- */
.true-false-game-content {
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
}

.score-board {
    display: flex;
    justify-content: space-between; 
    align-items: center;
    margin-bottom: 1.5rem; 
    padding: 0.75rem;
    background-color: var(--color-gray-blue); 
    border-radius: 0.5rem; 
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06); 
}

.score-board .score-item {
    font-size: 1.25rem; 
    font-weight: 600; 
    color: var(--color-gray-dark);
}

.score-board .score-value {
    color: var(--color-success);
}

.timer-wrapper {
    width: 100%;
    height: 10px;
    background-color: var(--bg-color);
    border-radius: 5px;
    margin-top: 20px; 
    margin-bottom: 20px;
    overflow: hidden; 
}

#timerBar {
    height: 10px;
    background-color: var(--color-primary); 
    width: 100%;
    transition: width 0.1s linear;
}

#questionContainer {
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    margin-bottom: 0; 
    border-radius: 0.5rem;
    border-left: 4px solid;
    transition: background-color 0.3s, border-color 0.3s;
}

.q-default {
    background-color: var(--color-gray-blue);
    border: 1px solid var(--border-gray);
    color: var(--text-color);
}

.q-correct {
    background-color: var(--color-gray-green);
    border-color: var(--color-success); 
    color: var(--text-color);
}

.q-incorrect {
    background-color: var(--color-gray-red);
    border-color: var(--color-danger); 
    color: var(--text-color);
}

.q-timeout {
    background-color: var(--color-grafico);
    border-color: transparent;
    color: var(--bg-color);
}

#questionText {
    font-size: 1.25rem;
    line-height: 1.75rem;
    font-weight: 500;
    color: var(--text-color);
    text-align: center;
}

.q-correct #questionText,
.q-incorrect #questionText { color: var(--text-color); }
.q-timeout #questionText { color: var(--bg-color); }

@media (max-width: 600px) {
    #questionText {
        font-size: 1rem;
    }
}

.button-group {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    justify-content: space-between;
    text-decoration: none !important;
}

.vf-button {
    padding: 10px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--bg-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 150px;
    /*text-shadow: 1px 1px 2px rgba(0,0,0,0.2);*/
    text-decoration: none !important;
}

#game-main-content .true-btn {
    background-color: var(--color-success);
    /*box-shadow: 0 4px var(--color-green-dark);*/
    text-decoration: none !important;
    outline: none;
}

#game-main-content .false-btn {
    background-color: var(--color-boton-borrar);
    /*box-shadow: 0 4px var(--color-primary);*/
    border-color: var(--color2-icon);
    text-decoration: none !important;
    outline: none;
}

#game-main-content .vf-button:active:not(:disabled) {
    /*transform: translateY(4px);*/
    box-shadow: none;
    text-decoration: none !important;
}

#game-main-content .vf-button:disabled {
    background-color: var(--bg-color);
    border: 1px solid var(--border-gray);
    color: var(--text-color);
    cursor: not-allowed;
    /*transform: none;*/
    /*box-shadow: 0 4px var(--color-gray-dark);*/
}

#game-main-content .false-btn:hover:not(:disabled),
#game-main-content .false-btn:focus:not(:disabled),
#game-main-content .true-btn:hover:not(:disabled),
#game-main-content .true-btn:focus:not(:disabled) { background: var(--text-color); }

/* ========================================================================= */
/* CRUCIGRAMA: ESTILOS CONSOLIDADOS                */
/* ========================================================================= */
#board-container { flex: 1 1 50%; }
#clues-container { flex: 1 1 45%; }

@media screen and (max-width: 1024px) {
    #board-container { flex: 1 1 auto; width: 100%; }
    #clues-container { flex: 1; width: 100%; }
}

.crossword-board-style {
    display: grid;
    gap: 1px; 
    background-color: var(--color-gray-light); 
    margin: 0 auto;
    /*max-width: 32rem; */
}

.crossword-cell {
    width: 100%;
    aspect-ratio: 1 / 1; 
    box-sizing: border-box; 
    display: flex;
    align-items: flex-start; 
    justify-content: center;
    position: relative; 
    border: 1px solid var(--bg-color); 
    padding: 2px; 
    font-size: 1rem; 
    font-weight: 700; 
}

.crossword-word-cell {
    background-color: var(--bg-color); 
    align-items: center; 
    justify-content: center;
}
.crossword-cell.crossword-highlight {
    background-color: var(--color-grafico);
    color: var(--bg-color);
    border: 0 none;
}

.numero-pista {
    position: absolute;
    top: -2px; 
    left: -2px; 
    font-size: 0.5em; 
    width: 10px; 
    height: 10px;   
    font-weight: 900; 
    background-color: var(--color-primary);
    color: var(--bg-color);
    display: flex; 
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: solid 1px var(--color-primary);
}

.cell-empty {
    background-color: var(--text-color);
    border: 0 none;
    opacity: 0.3;
    box-shadow: 0 0 0 1px var(--text-color);
}

#clue-detail-panel {
    padding: 15px;
    border: 2px solid var(--color-grafico); 
    border-radius: 8px;
    background-color: var(--bg-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 15px; 
}

#clue-number-detail {
    margin: 0px;
    font-size: 1.1em;
    font-weight: bold;
    color: var(--color-grafico); 
    text-transform: uppercase;
}

#clue-text-detail {
    margin: 10px;
    font-size: 1.05em;
    line-height: 1.5;
    color: black;
    font-style: italic;
}

#clue-detail-panel > div {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    flex-flow: row wrap;
}

@media screen and (max-width: 767px) {
    #clue-detail-panel > div { flex-flow: column wrap; }
}

#clue-input {
    flex-grow: 1; 
    border: 2px solid var(--text-color); 
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1em;
    text-transform: uppercase; 
    outline: none;
    transition: border-color 0.3s;
    letter-spacing: 1px;
    box-sizing: border-box;
    text-decoration: none !important;
}
#clue-input:focus {
    background: var(--color1-150);
    border-color: var(--text-color);
}

#clue-input::placeholder {    
    font-family: 'Courier New', Courier, monospace;
    font-size: 1em;
    letter-spacing: 1px;
}

label[for="clue-input"]{ line-height: 40px; }
#clue-check-btn {
    padding: 12px 15px;
    background-color: var(--color-secundario); 
    color: var(--bg-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.1s;
    white-space: nowrap; 
    outline: 0 none;
}

#clue-check-btn:hover,
#clue-check-btn:focus {
    background-color: var(--text-color);
    text-decoration: none !important;
    outline: 0 none;
}

#clue-feedback {
    min-height: 20px;
    margin: 0;
    padding: 5px;
    text-align: center;
    font-weight: bold;
    font-size: 0.95em;
}

#clues-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
    overflow-y: visible;
}

#clues-list > div {
    flex: 1;
    background-color: var(--bg-color); 
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var;
}

#clues-list h3 {
    margin-top: 0;
    margin-bottom: 12px;
    color: var(--color-grafico);
    border-bottom: 2px solid var(--color-grafico);
    font-size: 1.1rem;
    text-transform: uppercase;
}

.clue-option {
    padding: 5px;
    margin: 2px;
    background-color: var(--bg-color);
    border: 1px solid var(--color-gray-light);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    color: black;
    display: flex;
    align-items: center;
}

.clue-option:hover,
.clue-option:focus {
    background-color: var(--text-color); 
    color: var(--bg-color);
    transform: translateX(3px); 
}

.clue-option.clue-selected {
    background-color: var(--color-primary) !important;
    color: var(--bg-color) !important;
    border-color: var(--color-primary) !important;
    font-weight: bold;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.clue-option.clue-completed {
    text-decoration: line-through;
    opacity: 0.6;
    background-color: var(--border-gray);
    border-color: var(--border-gray);
    color: var(--text-color);
}

/* ========================================================================= */
/* PANTALLA DE INTRODUCCIÓN VERDADERO/FALSO */
/* ========================================================================= */
.vf-intro-container {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.vf-intro-container h3 {
    color: var(--color-primary);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.vf-instructions {
    text-align: left;
    margin-bottom: 30px;
    background-color: var(--color-gray-blue);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--color-grafico);
    border-left: 5px solid var(--color-grafico);
}

.vf-instructions p {
    margin: 10px 0;
    font-size: 1.1rem;
    color: var(--color-gray-dark);
}

.vf-countdown-box {
    margin: 30px 0;
}

#vf-intro-timer {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-grafico);
    line-height: 1;
    margin-top: 10px;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}