/* ============================================
   CATEGORÍA
   ============================================ */
.category-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: var(--border-radius-xl);
    font-size: var(--font-size-sm);
    color: var(--color-accent-primary);
    margin: 0 auto;
}

.category-icon {
    font-size: 1.1rem;
}

/* ============================================
   PALABRA / PATRÓN
   ============================================ */
.word-container {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.word-pattern {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    letter-spacing: 4px;
}

.letter-slot {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 48px;
    position: relative;
}

.letter-slot.letter {
    color: var(--color-text-primary);
}

.letter-slot.space {
    min-width: 24px;
}

.letter-slot.underscore::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-accent-primary);
    border-radius: 2px;
}

.letter-slot.revealed {
    animation: revealLetter 0.3s ease-out;
}

@keyframes revealLetter {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Palabra en pantallas pequeñas */
@media (max-width: 380px) {
    .word-pattern {
        font-size: var(--font-size-xl);
        gap: var(--spacing-xs);
    }
    
    .letter-slot {
        min-width: 28px;
        height: 40px;
    }
}

/* ============================================
   BOTÓN DE PISTA
   ============================================ */
.hint-container {
    display: flex;
    justify-content: center;
    margin: var(--spacing-sm) 0;
}

.hint-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, 
        rgba(251, 191, 36, 0.2) 0%, 
        rgba(251, 191, 36, 0.1) 100%
    );
    border: 1px solid rgba(251, 191, 36, 0.4);
    border-radius: var(--border-radius-xl);
    color: var(--color-hint);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.hint-button:hover:not(:disabled) {
    background: linear-gradient(135deg, 
        rgba(251, 191, 36, 0.3) 0%, 
        rgba(251, 191, 36, 0.2) 100%
    );
    transform: scale(1.02);
    box-shadow: 0 0 20px var(--color-hint-glow);
}

.hint-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.hint-button.used {
    background: rgba(100, 100, 100, 0.2);
    border-color: rgba(100, 100, 100, 0.3);
    color: var(--color-text-muted);
}

.hint-icon {
    font-size: 1.2rem;
}

/* ============================================
   TECLADO VIRTUAL
   ============================================ */
.keyboard-container {
    padding: var(--spacing-md) 0;
    position: relative;
    z-index: var(--z-keyboard);
}

.keyboard {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 100%;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 6px;
}

.key {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 48px;
    padding: 0 var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.key:hover:not(:disabled):not(.used) {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.key:active:not(:disabled):not(.used) {
    transform: scale(0.95);
}

.key:disabled,
.key.used {
    cursor: default;
    pointer-events: none;
}

/* Estados de las teclas */
.key.correct {
    background: linear-gradient(135deg, 
        rgba(34, 197, 94, 0.4) 0%, 
        rgba(34, 197, 94, 0.2) 100%
    );
    border-color: var(--color-success);
    color: var(--color-success);
    box-shadow: 0 0 10px var(--color-success-glow);
}

.key.incorrect {
    background: linear-gradient(135deg, 
        rgba(239, 68, 68, 0.3) 0%, 
        rgba(239, 68, 68, 0.15) 100%
    );
    border-color: var(--color-error);
    color: var(--color-error);
    opacity: 0.6;
}

.key.hint {
    background: linear-gradient(135deg, 
        rgba(251, 191, 36, 0.4) 0%, 
        rgba(251, 191, 36, 0.2) 100%
    );
    border-color: var(--color-hint);
    color: var(--color-hint);
    box-shadow: 0 0 10px var(--color-hint-glow);
    animation: hintPulse 1s ease-in-out infinite;
}

@keyframes hintPulse {
    0%, 100% { box-shadow: 0 0 10px var(--color-hint-glow); }
    50% { box-shadow: 0 0 20px var(--color-hint-glow); }
}

/* Leyenda del teclado */
.keyboard-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-dot.correct {
    background: var(--color-success);
}

.legend-dot.incorrect {
    background: var(--color-error);
}

.legend-dot.hint {
    background: var(--color-hint);
}

/* Teclado en pantallas pequeñas */
@media (max-width: 380px) {
    .key {
        min-width: 28px;
        height: 42px;
        font-size: var(--font-size-sm);
    }
    
    .keyboard-row {
        gap: 4px;
    }
}

/* ============================================
   MODALES
   ============================================ */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: var(--z-modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: linear-gradient(135deg, 
        var(--color-bg-secondary) 0%, 
        var(--color-bg-tertiary) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-xl);
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.modal-backdrop.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.modal-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Secciones dentro del modal */
.modal-section {
    margin-bottom: var(--spacing-lg);
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-section-content {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.modal-section-content p {
    margin-bottom: var(--spacing-xs);
}

/* Botones del modal */
.modal-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, 
        var(--color-accent-primary) 0%, 
        var(--color-accent-secondary) 100%
    );
    border: none;
    border-radius: var(--border-radius-md);
    color: white;
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.modal-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.modal-button:active {
    transform: translateY(0);
}

.modal-button.secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.modal-button.secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: none;
}

.modal-button.share {
    background: linear-gradient(135deg, #1da1f2 0%, #0d8bd9 100%);
}

.modal-button.share:hover {
    box-shadow: 0 0 20px rgba(29, 161, 242, 0.4);
}

/* ============================================
   MODAL DE RESULTADO
   ============================================ */
.result-word {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.result-word-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.result-word-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 2px;
}

.result-score {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.result-score-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.result-score-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-accent-primary);
    text-shadow: 0 0 30px var(--color-accent-glow);
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.result-stat {
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    text-align: center;
}

.result-stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 2px;
}

.result-stat-value {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-text-primary);
}

.result-pattern {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.result-pattern-item {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Countdown para próximo juego */
.next-game-countdown {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
}

.countdown-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.countdown-time {
    font-size: var(--font-size-xl);
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: var(--color-accent-primary);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.toast {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-xl);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-md);
    animation: toastSlideIn 0.3s ease-out;
    pointer-events: auto;
}

.toast.success {
    border-color: var(--color-success);
    background: linear-gradient(135deg, 
        rgba(34, 197, 94, 0.2) 0%, 
        var(--color-bg-secondary) 100%
    );
}

.toast.error {
    border-color: var(--color-error);
    background: linear-gradient(135deg, 
        rgba(239, 68, 68, 0.2) 0%, 
        var(--color-bg-secondary) 100%
    );
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

.toast.hiding {
    animation: toastSlideOut 0.3s ease-in forwards;
}

/* ============================================
   FOOTER
   ============================================ */
.game-footer {
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ============================================
   UTILITIES
   ============================================ */
.hidden {
    display: none !important;
}

.invisible {
    visibility: hidden;
    opacity: 0;
}

.text-center {
    text-align: center;
}

.text-success {
    color: var(--color-success);
}

.text-error {
    color: var(--color-error);
}

.text-warning {
    color: var(--color-warning);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-height: 700px) {
    .hangman-scene-container {
        max-height: 220px;
    }
    
    .game-info {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .word-container {
        padding: var(--spacing-md);
    }
    
    .key {
        height: 44px;
    }
}

@media (max-height: 600px) {
    .hangman-scene-container {
        max-height: 180px;
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
}

/* Landscape en móviles */
@media (max-height: 500px) and (orientation: landscape) {
    .app-container {
        flex-direction: row;
        flex-wrap: wrap;
        max-width: 100%;
    }
    
    .game-header {
        width: 100%;
    }
    
    .hangman-scene-container {
        width: 40%;
        max-height: 200px;
    }
    
    .game-info,
    .word-container,
    .hint-container {
        width: 55%;
    }
    
    .keyboard-container {
        width: 100%;
    }
}