/* ===================================
   ESTILOS COMPARTIDOS PARA TECLADOS VIRTUALES
   Componentes: TecladoNumerico y TecladoAlfanumerico
   =================================== */

/* Input con teclado personalizado */
.input-with-keyboard {
    position: relative;
    width: 100%;
}

.keyboard-icon {
    position: absolute;
/*   right: 3rem;*/
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    pointer-events: none;
    opacity: 0.6;
    z-index: 2;
}

.input-with-password-toggle .keyboard-icon {
  /*  right: 3.5rem;*/
}

.input-with-keyboard .form-input {
    cursor: pointer;
    padding-right: 5rem;
}

.input-with-keyboard.input-with-password-toggle .form-input {
    padding-right: 6rem;
}

.input-with-keyboard .form-input.has-value {
    background: rgba(22, 22, 94, 0.05);
}

[data-theme="dark"] .input-with-keyboard .form-input.has-value {
    background: rgba(59, 130, 246, 0.1);
}

/* ===================================
   OVERLAY Y CONTENEDOR DEL TECLADO
   =================================== */

.keyboard-overlay {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 9999 !important;
    padding: 0;
}

.keyboard-container {
    width: 100%;
    max-width: 500px;
    background: var(--bg-card);
    border-radius: 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    margin: 0;
    position: fixed !important;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%) translateY(0);
    z-index: 10000 !important;
}

/* Teclado alfanumérico - usar todo el ancho */
.keyboard-container.keyboard-alfanumerico {
    max-width: 100%;
    width: 100%;
    margin: 0;
    left: 0;
    bottom: 20px;
    transform: translateX(0);
    border-radius: 20px 20px 0 0;
    z-index: 10000 !important;
}

/* ===================================
   ANIMACIONES DEL TECLADO
   =================================== */

/* Animación específica para teclado numérico (centrado) */
.keyboard-container:not(.keyboard-alfanumerico) {
    animation: slideUpKeyboardNumeric 0.3s ease-out;
}

@keyframes slideUpKeyboardNumeric {
    from {
        transform: translateX(-50%) translateY(calc(100% + 50px));
    }
    to {
        transform: translateX(-50%) translateY(0);
    }
}

/* Animación para teclado alfanumérico (ancho completo) */
.keyboard-container.keyboard-alfanumerico {
    animation: slideUpKeyboardAlphanumeric 0.3s ease-out;
}

@keyframes slideUpKeyboardAlphanumeric {
    from {
        transform: translateX(0) translateY(100%);
    }
    to {
        transform: translateX(0) translateY(0);
    }
}

/* ===================================
   HEADER DEL TECLADO
   =================================== */

.keyboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #4a90e2 100%);
    color: white;
}

.keyboard-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.keyboard-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.keyboard-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* ===================================
   DISPLAY DEL TECLADO
   =================================== */

.keyboard-display {
    padding: 1.5rem;
    background: var(--bg-primary);
}

.keyboard-display-input {
    width: 100%;
    padding: 1.25rem;
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    border: 3px solid var(--primary-color);
    border-radius: 12px;
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 2px 10px rgba(22, 22, 94, 0.2);
    outline: none;
    letter-spacing: 0.1em;
}

/* Estilos específicos para teclado alfanumérico */
.keyboard-alfanumerico .keyboard-display {
    display: flex;
    flex-direction: row;
    gap: 0.75rem;
    align-items: stretch;
}

.keyboard-alfanumerico .keyboard-display-input {
    flex: 1;
    padding: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: left;
    border: 2px solid var(--primary-color);
    letter-spacing: 0.05em;
    min-width: 0;
    min-height: 52px;
}

/* ===================================
   GRID Y BOTONES DEL TECLADO NUMÉRICO
   =================================== */

.keyboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--bg-card);
}

.keyboard-btn {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 70px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.keyboard-btn:active {
    transform: scale(0.95);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.keyboard-btn:hover {
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    border-color: var(--primary-color);
}

.keyboard-btn-clear {
    background: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);
    color: white;
    border-color: #ff9800;
}

.keyboard-btn-clear:hover {
    background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
}

.keyboard-btn-backspace {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    border-color: #c82333;
    font-size: 1.5rem;
}

.keyboard-btn-backspace:hover {
    background: linear-gradient(135deg, #c82333 0%, #a71e2a 100%);
}

/* ===================================
   FOOTER Y BOTÓN CONFIRMAR
   =================================== */

.keyboard-footer {
    padding: 1rem 1.5rem 0;
    background: var(--bg-card);
    margin-bottom: 0;
}

.keyboard-btn-confirm {
    width: 100%;
    padding: 1.25rem;
    background: linear-gradient(135deg, var(--success-color) 0%, #20c997 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
    margin-bottom: 0;
}

/* Estilos específicos para botón confirmar en teclado alfanumérico */
.keyboard-alfanumerico .keyboard-display .keyboard-btn-confirm {
    flex-shrink: 0;
    min-width: 130px;
    max-width: 150px;
    width: auto;
    padding: 1rem 1.25rem;
    font-size: 1.05rem;
    height: auto;
}

.keyboard-btn-confirm:active {
    transform: scale(0.98);
    box-shadow: 0 2px 10px rgba(40, 167, 69, 0.3);
}

.keyboard-btn-confirm:hover {
    background: linear-gradient(135deg, #20c997 0%, #1e7e34 100%);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

/* ===================================
   TECLADO ALFANUMÉRICO
   =================================== */

.keyboard-alfanumerico {
    width: 100%;
}

.keyboard-alfanumerico .keyboard-container {
    max-width: 100%;
    width: 100%;
}

.keyboard-alfanumerico .keyboard-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    width: 100%;
}

.keyboard-row-alfanumerico {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-start;
    flex-wrap: nowrap;
    width: 100%;
    padding: 5px;
}

.keyboard-row-alfanumerico .keyboard-btn {
    flex: 1;
    min-width: 0;
    padding: 1rem 0.5rem;
    font-size: 1.25rem;
    min-height: 55px;
}

.keyboard-row-numbers .keyboard-btn {
    flex: 1;
    min-width: 0;
}

.keyboard-row-special .keyboard-btn {
    flex: 1;
    min-width: 0;
}

.keyboard-btn-shift {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
    color: white;
    border-color: #5a6268;
}

.keyboard-btn-shift:hover {
    background: linear-gradient(135deg, #5a6268 0%, #495057 100%);
}

.keyboard-btn-special {
    background: linear-gradient(135deg, #adb5bd 0%, #868e96 100%);
    color: white;
    border-color: #868e96;
    font-size: 1.1rem;
}

.keyboard-btn-special:hover {
    background: linear-gradient(135deg, #868e96 0%, #6c757d 100%);
}

.keyboard-btn-toggle {
    background: linear-gradient(135deg, #495057 0%, #343a40 100%);
    color: white;
    border-color: #343a40;
    font-size: 0.9rem;
    font-weight: 600;
    min-width: 60px;
}

.keyboard-btn-toggle:hover {
    background: linear-gradient(135deg, #343a40 0%, #23272b 100%);
}

.keyboard-btn-space {
    flex: 2;
    min-width: 100px;
}

.keyboard-row-bottom {
    justify-content: space-between;
}

.keyboard-row-bottom .keyboard-btn {
    flex: 0 1 auto;
}

/* ===================================
   DARK MODE - paleta unificada (estilo login)
   =================================== */

[data-theme="dark"] .keyboard-overlay {
    background: rgba(0, 0, 0, 0.85);
}

[data-theme="dark"] .keyboard-container {
    background: #1e2433;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .keyboard-display {
    background: #111827;
}

[data-theme="dark"] .keyboard-display-input {
    background: #283040;
    border-color: #3b82f6;
    color: #f1f5f9;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .keyboard-grid {
    background: #1e2433;
}

[data-theme="dark"] .keyboard-btn {
    background: linear-gradient(135deg, #283040 0%, #1e2433 100%);
    border-color: #3b4557;
    color: #f1f5f9;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .keyboard-btn:hover {
    background: linear-gradient(135deg, #3b4557 0%, #283040 100%);
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

[data-theme="dark"] .keyboard-footer {
    background: #1e2433;
}

/* ===================================
   RESPONSIVE - MOBILE
   =================================== */

@media (max-width: 480px) {
    .keyboard-container {
        border-radius: 15px;
        bottom: 70px;
    }
    
    .keyboard-container.keyboard-alfanumerico {
        border-radius: 15px 15px 0 0;
        bottom: 0;
        max-width: 100%;
        width: 100%;
        max-height: 80vh;
        margin-bottom: 50px;
    }

    .keyboard-display {
        padding: 0.5rem;
    }

    .keyboard-display-input {
        font-size: 1.25rem;
        padding: 0.625rem;
    }

    /* Estilos específicos para teclado alfanumérico en mobile */
    .keyboard-alfanumerico .keyboard-display {
        padding: 0.75rem;
        gap: 0.5rem;
        flex-direction: row;
    }

    .keyboard-alfanumerico .keyboard-display-input {
        font-size: 1rem;
        padding: 1rem;
        min-height: 48px;
        border-width: 2px;
    }

    .keyboard-alfanumerico .keyboard-display .keyboard-btn-confirm {
        min-width: 110px;
        max-width: 130px;
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
        border-radius: 10px;
        height: auto;
    }

    .keyboard-grid {
        gap: 0.5rem;
        padding: 0.875rem;
    }

    .keyboard-btn {
        padding: 1rem;
        font-size: 1.25rem;
        min-height: 55px;
    }

    .keyboard-row-alfanumerico {
        gap: 0.25rem;
    }

    .keyboard-row-alfanumerico .keyboard-btn {
        min-height: 40px;
        font-size: 0.875rem;
        padding: 0.5rem 0.125rem;
        flex: 1;
        min-width: 0;
        border-width: 1px;
    }

    .keyboard-header {
        padding: 0.625rem 0.875rem;
    }

    .keyboard-header h3 {
        font-size: 0.9rem;
    }

    .keyboard-close {
        width: 28px;
        height: 28px;
        font-size: 1rem;
    }

    .keyboard-footer {
        padding: 0.5rem 0.875rem 0;
        margin-bottom: 10px;
    }

    .keyboard-alfanumerico .keyboard-grid {
        padding: 0.5rem 0.75rem;
        gap: 0.25rem;
        overflow-y: auto;
        max-height: calc(50vh - 120px);
    }

    .keyboard-btn-shift,
    .keyboard-btn-special {
        font-size: 0.8rem;
    }

    .keyboard-btn-backspace,
    .keyboard-btn-clear {
        font-size: 0.875rem;
        min-height: 40px;
    }
}

@media (max-width: 360px) {
    .keyboard-container.keyboard-alfanumerico {
        max-height: 45vh;
    }

    .keyboard-row-alfanumerico .keyboard-btn {
        font-size: 0.75rem;
        padding: 0.375rem 0.0625rem;
        min-height: 36px;
    }

    .keyboard-row-numbers .keyboard-btn {
        font-size: 0.875rem;
    }

    .keyboard-row-special .keyboard-btn {
        font-size: 0.7rem;
    }

    .keyboard-alfanumerico .keyboard-grid {
        padding: 0.375rem 0.5rem;
        gap: 0.2rem;
        max-height: calc(45vh - 100px);
    }

    /* Estilos específicos para teclado alfanumérico en pantallas muy pequeñas */
    .keyboard-alfanumerico .keyboard-display {
        padding: 0.75rem;
        gap: 0.5rem;
        flex-direction: row;
    }

    .keyboard-alfanumerico .keyboard-display-input {
        font-size: 0.95rem;
        padding: 0.875rem;
        min-height: 46px;
        border-width: 2px;
    }

    .keyboard-alfanumerico .keyboard-display .keyboard-btn-confirm {
        min-width: 100px;
        max-width: 120px;
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
        border-radius: 8px;
        height: auto;
    }

    .keyboard-header {
        padding: 0.5rem 0.75rem;
    }

    .keyboard-header h3 {
        font-size: 0.825rem;
    }
}

/* ===================================
   RESPONSIVE - TABLET
   =================================== */

@media (min-width: 481px) and (max-width: 768px) {
    .keyboard-container.keyboard-alfanumerico {
        max-height: 55vh;
    }

    .keyboard-row-alfanumerico {
        gap: 0.375rem;
    }

    .keyboard-row-alfanumerico .keyboard-btn {
        font-size: 1rem;
        padding: 0.625rem 0.25rem;
        min-height: 45px;
    }

    .keyboard-alfanumerico .keyboard-grid {
        padding: 0.75rem 1rem;
        gap: 0.375rem;
        max-height: calc(55vh - 140px);
        overflow-y: auto;
    }

    /* Estilos específicos para teclado alfanumérico en tablet */
    .keyboard-alfanumerico .keyboard-display {
        padding: 1rem;
        gap: 0.625rem;
        flex-direction: row;
    }

    .keyboard-alfanumerico .keyboard-display-input {
        font-size: 1.15rem;
        padding: 1rem;
        min-height: 50px;
        border-width: 2px;
    }

    .keyboard-alfanumerico .keyboard-display .keyboard-btn-confirm {
        min-width: 120px;
        max-width: 140px;
        padding: 1rem 1.25rem;
        font-size: 1rem;
        border-radius: 10px;
        height: auto;
    }

    .keyboard-header {
        padding: 0.75rem 1rem;
    }

    .keyboard-footer {
        padding: 0.75rem 1rem 0;
        margin-bottom: 0;
    }
    
    /* Botón de espacio ocupa todo el espacio en tabletas - solo para teclado alfanumérico */
    .keyboard-alfanumerico .keyboard-row-bottom {
        justify-content: flex-start;
        gap: 0.5rem;
    }
    
    .keyboard-alfanumerico .keyboard-btn-space {
        flex: 1;
        min-width: 0;
        width: auto;
        max-width: none;
        font-size: 1.1rem;
        padding: 0.75rem 1rem;
    }
    
    /* Botón de backspace 3 veces más grande en tabletas - solo para teclado alfanumérico */
    .keyboard-alfanumerico .keyboard-btn-backspace {
        min-width: 150px;
        width: 150px;
        font-size: 2.5rem;
        padding: 1rem 1.5rem;
        min-height: 70px;
        flex: 0 0 150px;
    }
    
    /* Ajustar otros botones de la fila inferior en tabletas - solo para teclado alfanumérico */
    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-toggle {
        flex: 0 0 auto;
        min-width: 80px;
        width: auto;
    }
    
    /* Botones de punto, coma, guion bajo y limpiar más grandes en tabletas */
    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-special {
        min-width: 60px;
        width: 60px;
        font-size: 1.3rem;
        padding: 0.75rem 1rem;
        min-height: 50px;
        flex: 0 0 60px;
    }
    
    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-clear {
        min-width: 70px;
        width: 70px;
        font-size: 1.4rem;
        padding: 0.75rem 1rem;
        min-height: 50px;
        flex: 0 0 70px;
    }
}

/* ===================================
   TABLET HORIZONTAL - teclado numérico compacto (ej. iPad Mini 1024x768)
   =================================== */

@media (max-height: 800px) and (min-width: 768px) {
    /* Sobrescribir overflow hidden del contenedor base para tablet */
    .keyboard-container {
        overflow: visible;
    }
    
    /* Solo teclado numérico (mesa, comensales, etc.) */
    .keyboard-container:not(.keyboard-alfanumerico) {
        max-width: 420px;
        bottom: 2rem;
        height: auto;
        max-height: none;
    }

    .keyboard-container:not(.keyboard-alfanumerico) .keyboard-header {
        padding: 0.5rem 1rem;
    }

    .keyboard-container:not(.keyboard-alfanumerico) .keyboard-header h3 {
        font-size: 0.95rem;
    }

    .keyboard-container:not(.keyboard-alfanumerico) .keyboard-close {
        width: 28px;
        height: 28px;
        font-size: 1rem;
    }

    .keyboard-container:not(.keyboard-alfanumerico) .keyboard-display {
        padding: 0.5rem 1rem;
    }

    .keyboard-container:not(.keyboard-alfanumerico) .keyboard-display-input {
        padding: 0.5rem 0.75rem;
        font-size: 1.35rem;
        border-width: 2px;
        min-height: 42px;
    }

    .keyboard-container:not(.keyboard-alfanumerico) .keyboard-grid {
        padding: 0.5rem 1rem;
        gap: 0.4rem;
    }

    .keyboard-container:not(.keyboard-alfanumerico) .keyboard-grid .keyboard-btn {
        min-height: 44px;
        padding: 0.5rem;
        font-size: 1.25rem;
    }

    .keyboard-container:not(.keyboard-alfanumerico) .keyboard-grid .keyboard-btn-backspace {
        font-size: 1.2rem;
    }

    .keyboard-container:not(.keyboard-alfanumerico) .keyboard-footer {
        padding: 0.5rem 1rem 0.75rem;
    }

    .keyboard-container:not(.keyboard-alfanumerico) .keyboard-btn-confirm {
        padding: 0.6rem 1rem;
        font-size: 1rem;
        border-radius: 10px;
    }
    
    /* Teclado alfanumérico también compacto en tablet horizontal */
    .keyboard-container.keyboard-alfanumerico {
        height: auto;
        max-height: none;
        bottom: 1rem;
        overflow: visible;
    }
    
    .keyboard-container.keyboard-alfanumerico .keyboard-header {
        padding: 0.5rem 1rem;
    }
    
    .keyboard-container.keyboard-alfanumerico .keyboard-header h3 {
        font-size: 0.95rem;
    }
    
    .keyboard-alfanumerico .keyboard-display {
        padding: 0.5rem 1rem;
        gap: 0.5rem;
    }
    
    .keyboard-alfanumerico .keyboard-display-input {
        font-size: 1rem;
        padding: 0.5rem 0.75rem;
        min-height: 38px;
    }
    
    .keyboard-alfanumerico .keyboard-display .keyboard-btn-confirm {
        min-width: 100px;
        max-width: 120px;
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        height: 38px;
    }
    
    .keyboard-row-alfanumerico {
        gap: 0.3rem;
        padding: 0 0.5rem;
    }
    
    .keyboard-row-alfanumerico .keyboard-btn {
        font-size: 1rem;
        padding: 0.5rem 0.25rem;
        min-height: 40px;
        min-width: 40px;
    }
    
    .keyboard-alfanumerico .keyboard-btn-shift,
    .keyboard-alfanumerico .keyboard-btn-toggle {
        min-width: 60px;
        font-size: 0.85rem;
    }
    
    .keyboard-alfanumerico .keyboard-row-bottom {
        gap: 0.3rem;
        padding: 0 0.5rem 0.5rem;
    }
    
    .keyboard-alfanumerico .keyboard-btn-space {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
        min-height: 40px;
    }
    
    .keyboard-alfanumerico .keyboard-btn-backspace {
        min-width: 90px;
        width: 90px;
        font-size: 1.5rem;
        padding: 0.5rem;
        min-height: 40px;
        flex: 0 0 90px;
    }
    
    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-toggle {
        min-width: 60px;
        font-size: 0.9rem;
    }
    
    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-special {
        min-width: 45px;
        width: 45px;
        font-size: 1.1rem;
        flex: 0 0 45px;
    }
    
    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-clear {
        min-width: 55px;
        width: 55px;
        font-size: 1.2rem;
        flex: 0 0 55px;
    }
    
    .keyboard-alfanumerico .keyboard-grid {
        padding: 0.5rem 1rem;
        gap: 0.3rem;
    }
}

/* ===================================
   RESPONSIVE - TABLET LANDSCAPE (769px - 1180px)
   =================================== */

@media (min-width: 769px) and (max-width: 1180px) and (orientation: landscape) {
    /* Sobrescribir overflow hidden del contenedor base para tablet landscape */
    .keyboard-container.keyboard-alfanumerico {
        overflow: visible;
    }
    
    /* Teclado alfanumérico optimizado para tabletas horizontales */
    .keyboard-container.keyboard-alfanumerico {
        max-width: 100%;
        width: 100%;
        height: auto;
        max-height: none;
        bottom: 1rem;
        border-radius: 20px 20px 0 0;
    }

    .keyboard-header {
        padding: 0.5rem 1.5rem;
    }

    .keyboard-header h3 {
        font-size: 1.1rem;
    }

    .keyboard-alfanumerico .keyboard-display {
        padding: 0.75rem 1.5rem;
        gap: 0.75rem;
        flex-direction: row;
        align-items: center;
    }

    .keyboard-alfanumerico .keyboard-display-input {
        font-size: 1.2rem;
        padding: 0.875rem 1rem;
        min-height: 48px;
        flex: 1;
    }

    .keyboard-alfanumerico .keyboard-display .keyboard-btn-confirm {
        min-width: 130px;
        max-width: 150px;
        padding: 0.875rem 1.5rem;
        font-size: 1.1rem;
        height: 48px;
    }

    /* Filas del teclado con mejor espaciado */
    .keyboard-row-alfanumerico {
        gap: 0.4rem;
        padding: 0 1rem;
        justify-content: center;
    }

    .keyboard-row-alfanumerico .keyboard-btn {
        font-size: 1.1rem;
        padding: 0.6rem 0.4rem;
        min-height: 45px;
        min-width: 45px;
        flex: 1;
        max-width: 75px;
    }

    /* Botones especiales más grandes */
    .keyboard-alfanumerico .keyboard-btn-shift,
    .keyboard-alfanumerico .keyboard-btn-toggle {
        min-width: 80px;
        font-size: 1rem;
    }

    /* Fila inferior optimizada */
    .keyboard-alfanumerico .keyboard-row-bottom {
        justify-content: center;
        gap: 0.4rem;
        padding: 0 1rem 1.5rem 1rem;
    }

    .keyboard-alfanumerico .keyboard-btn-space {
        flex: 1;
        max-width: 350px;
        font-size: 1rem;
        padding: 0.6rem 1.5rem;
        min-height: 45px;
    }

    .keyboard-alfanumerico .keyboard-btn-backspace {
        min-width: 110px;
        width: 110px;
        font-size: 1.8rem;
        padding: 0.6rem 1rem;
        min-height: 45px;
        flex: 0 0 110px;
    }

    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-toggle {
        min-width: 90px;
        font-size: 1.1rem;
    }

    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-special {
        min-width: 55px;
        width: 55px;
        font-size: 1.3rem;
        flex: 0 0 55px;
    }

    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-clear {
        min-width: 70px;
        width: 70px;
        font-size: 1.4rem;
        flex: 0 0 70px;
    }

    /* Asegurar que el keyboard-grid no tenga restricciones */
    .keyboard-alfanumerico .keyboard-grid {
        padding: 0.5rem 1rem 1.5rem 1rem;
        gap: 0.4rem;
        max-height: none;
        overflow: visible;
    }

    /* Teclado numérico centrado para tabletas */
    .keyboard-container:not(.keyboard-alfanumerico) {
        max-width: 420px;
        border-radius: 20px;
    }

    .keyboard-grid .keyboard-btn {
        font-size: 1.8rem;
        min-height: 60px;
    }
}

/* ===================================
   RESPONSIVE - DESKTOP
   =================================== */

@media (min-width: 769px) {
    /* Teclado numérico - centrado */
    .keyboard-container:not(.keyboard-alfanumerico) {
        border-radius: 20px;
        max-width: 400px;
        margin: 0 auto;
        left: 50%;
        transform: translateX(-50%) translateY(0);
        bottom: 3rem;
    }

    /* Teclado alfanumérico - todo el ancho */
    .keyboard-container.keyboard-alfanumerico {
        border-radius: 20px 20px 0 0;
        max-width: 100%;
        width: 100%;
        margin: 0;
        left: 0;
        transform: translateX(0);
        max-height: 60vh;
        bottom: 5rem;
    }

    .keyboard-row-alfanumerico .keyboard-btn {
        font-size: 1.3rem;
        padding: 1rem 0.5rem;
        min-height: 58px;
    }

    .keyboard-alfanumerico .keyboard-grid {
        padding: 1.25rem 1.5rem;
        gap: 0.625rem;
        max-height: calc(60vh - 180px);
        overflow-y: auto;
    }

    .keyboard-row-alfanumerico {
        gap: 0.625rem;
    }
    
    /* Botón de espacio ocupa todo el espacio en escritorio - solo para teclado alfanumérico */
    .keyboard-alfanumerico .keyboard-row-bottom {
        justify-content: flex-start;
        gap: 0.625rem;
    }
    
    .keyboard-alfanumerico .keyboard-btn-space {
        flex: 1;
        min-width: 0;
        width: auto;
        max-width: none;
        font-size: 1.2rem;
        padding: 1rem 1.5rem;
    }
    
    /* Botón de backspace 3 veces más grande en escritorio - solo para teclado alfanumérico */
    .keyboard-alfanumerico .keyboard-btn-backspace {
        min-width: 200px;
        width: 200px;
        font-size: 3rem;
        padding: 1.5rem 2rem;
        min-height: 90px;
        flex: 0 0 200px;
    }
    
    /* Ajustar otros botones de la fila inferior en escritorio - solo para teclado alfanumérico */
    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-toggle {
        flex: 0 0 auto;
        min-width: 100px;
        width: auto;
    }
    
    /* Botones de punto, coma, guion bajo y limpiar más grandes en escritorio */
    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-special {
        min-width: 80px;
        width: 80px;
        font-size: 1.5rem;
        padding: 1rem 1.25rem;
        min-height: 60px;
        flex: 0 0 80px;
    }
    
    .keyboard-alfanumerico .keyboard-row-bottom .keyboard-btn-clear {
        min-width: 90px;
        width: 90px;
        font-size: 1.6rem;
        padding: 1rem 1.5rem;
        min-height: 60px;
        flex: 0 0 90px;
    }
}

/* Teclados numérico y alfanumérico: ajustar bottom según orientación */
@media (min-width: 769px) and (orientation: portrait) {
    /* Sobrescribir overflow hidden del contenedor base para tablet portrait */
    .keyboard-container {
        overflow: visible;
    }
    
    .keyboard-container:not(.keyboard-alfanumerico) {
        bottom: 7rem;
        height: auto;
        max-height: none;
    }
    .keyboard-container.keyboard-alfanumerico {
        bottom: 5rem;
        height: auto;
        max-height: none;
    }
}

@media (min-width: 769px) and (orientation: landscape) {
    .keyboard-container:not(.keyboard-alfanumerico) {
        bottom: 7rem;
        overflow-y: auto;
    }
    /* Comentado para no sobrescribir el bottom del media query más específico */
    /* .keyboard-container.keyboard-alfanumerico {
        bottom: 8rem;
        overflow-y: auto;
        overflow-x: hidden;
    } */
}