:root {
    --sala-codigo-bg: var(--bg-input);
    --sala-codigo-borde: var(--color-primario-hover);
    --sala-host-badge: var(--color-secundario);
    --sala-invitado-badge: var(--color-primario);
    --sala-estado-espera: var(--alerta-naranja);
    --sala-estado-listo: var(--exito-verde);
    --sala-card-hover: rgba(18, 52, 91, 0.05);
}




.oculto {
    display: none !important;
}

.acciones-centradas {
    margin-top: 30px;
    text-align: center;
}




.contenedor-sala {
    max-width: 1100px;
    margin: 30px auto;
    padding: 30px;
    background-color: var(--bg-tarjeta);
    border-radius: 15px;
    box-shadow: var(--sombra-tarjeta);
    color: var(--texto-principal);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.contenedor-sala.contenedor-estrecho {
    max-width: 480px;
    position: relative;
}

.titulo-sala {
    text-align: center;
    color: var(--color-primario);
    font-size: 2.4rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.titulo-sala.titulo-margin-top {
    margin-top: 25px;
}

.subtitulo-sala {
    text-align: center;
    color: var(--texto-secundario);
    font-size: 1.1rem;
    margin-bottom: 30px;
}


.btn-volver-sala {
    position: absolute;
    top: 20px;
    left: 20px;
    text-decoration: none;
    color: var(--texto-secundario);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.btn-volver-sala:hover {
    color: var(--color-primario);
}




.grid-opciones-inicio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.tarjeta-opcion-sala {
    background-color: var(--bg-sitio);
    border: 2px solid var(--borde-suave);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.tarjeta-opcion-sala p {
    margin-bottom: 20px;
    color: var(--texto-secundario);
}

.tarjeta-opcion-sala:hover {
    transform: translateY(-2px);
    border-color: var(--color-primario-hover);
    box-shadow: var(--sombra-tarjeta);
}

.icono-opcion-sala {
    font-size: 3.5rem;
    margin-bottom: 15px;
    color: var(--color-primario);
}




.form-ingreso-codigo {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 15px;
}

.input-codigo-pin {
    width: 100%;
    padding: 14px;
    font-size: 1.5rem;
    font-weight: bold;
    text-align: center;
    letter-spacing: 4px;
    text-transform: uppercase;
    background-color: var(--bg-input);
    color: var(--texto-principal);
    border: 2px solid var(--borde-fuerte);
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.input-codigo-pin:focus {
    outline: none;
    border-color: var(--color-primario-hover);
}

.input-nickname {
    text-align: center;
    font-size: 1.1rem;
    padding: 12px;
    width: 100%;
    border-radius: 8px;
    border: 2px solid var(--borde-fuerte);
    background-color: var(--bg-input);
    color: var(--texto-principal);
    box-sizing: border-box;
}

.mensaje-error-sala {
    color: var(--alerta-naranja);
    text-align: center;
    font-weight: bold;
    margin-bottom: 10px;
}

.pantalla-espera-invitado {
    text-align: center;
    padding: 40px 20px;
}

.pantalla-espera-invitado h2 {
    color: var(--color-primario);
    margin-bottom: 10px;
}

.pantalla-espera-invitado p {
    color: var(--texto-secundario);
    font-size: 1.05rem;
}

.pantalla-espera-invitado .texto-espera-destacado {
    margin-top: 20px;
    font-weight: bold;
    color: var(--texto-principal);
}

.loader-espera {
    font-size: 3rem;
    animation: pulse 1.5s infinite;
    margin-bottom: 20px;
}




.selector-modo {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

.intro-avanzada {
    text-align: center;
    margin-bottom: 15px;
    color: var(--texto-secundario);
}


.contenedorCondicionesForm {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px; 
    align-items: end;
    background-color: var(--bg-input);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--sombra-tarjeta);
    font-family: 'Segoe UI', sans-serif;
    color: var(--texto-principal);
}


.campo {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.campo label {
    margin-bottom: 8px; 
    font-weight: 600;
    color: var(--texto-principal);
}


.select-wrapper {
    position: relative;
    width: 100%; 
}

.select-wrapper select {
    width: 100%;
    padding: 12px 35px 12px 15px; 
    border: 2px solid var(--moneda-oro);
    border-radius: 12px;
    background-color: var(--bg-input);
    color: var(--texto-principal);
    font-size: 1.1em; 
    min-height: 45px; 
    appearance: none;
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.select-wrapper select:focus {
    border-color: var(--color-primario-hover);
    box-shadow: 0 0 8px rgba(97, 184, 255, 0.3); 
    outline: none;
}

.select-wrapper::after {
    content: "▼";
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--texto-secundario);
    font-size: 0.9em;
}


.contenedorCondicionesForm input[type="number"] {
    width: 60px; 
    height: 60px; 
    padding: 5px;
    border: 3px solid var(--alerta-naranja);
    border-radius: 12px;
    font-size: 1.6em;
    font-weight: bold;
    text-align: center;
    transition: transform 0.2s ease;
    background-color: var(--bg-input);
    color: var(--texto-principal);
}

.contenedorCondicionesForm input[type="number"]:focus {
    transform: scale(1.1);
    outline: none;
}

.contenedorCondicionesForm input[type="number"] {
    -moz-appearance: textfield;
}

.contenedorCondicionesForm input[type="number"]::-webkit-outer-spin-button,
.contenedorCondicionesForm input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

#tiempo-avanzado,#tiempo-basica{
    width: fit-content;
}


.acciones-presets {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}

#botonesAnadir,
.grupo-botones-anadir {
    display: flex;
    justify-content: space-evenly;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}


#contenedor-previsualizacion {
    margin-top: 30px;
}

#contenedorTabla {
    overflow-x: auto;
    margin-top: 15px;
}

#tablaOperaciones {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
    table-layout: fixed;
}


#tablaOperaciones tbody tr {
    background-color: var(--bg-input);
    animation: sj-entrada-fila 0.3s ease-out backwards;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#tablaOperaciones tbody tr:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-tarjeta);
}

#tablaOperaciones tbody td {
    border-bottom: none;
}

#tablaOperaciones tbody tr td:first-child {
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}

#tablaOperaciones tbody tr td:last-child {
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
}


#tablaOperaciones th,
#tablaOperaciones td {
    padding: 10px;
    text-align: left;
    word-wrap: break-word;
    font-size: 0.95em;
    border-bottom: 1px solid var(--borde-suave);
    color: var(--texto-principal);
}


#tablaOperaciones th {
    background-color: var(--bg-sitio);
    text-align: center;
    vertical-align: middle;
}


#tablaOperaciones th:first-child {
    text-align: left;
}

#tablaOperaciones td:nth-child(3), 
#tablaOperaciones td:nth-child(4), 
#tablaOperaciones td:nth-child(5), 
#tablaOperaciones td:nth-child(6)   {
    text-align: center;
}

#tablaOperaciones th:first-child,
.col-operacion {
    width: 50%; 
}

#headResultado {
    width: 150px;
}


#headTiempo {
    width: 110px;
}

#headEliminar {
    width: 70px;
}

#tablaOperaciones input {
    background-color: var(--bg-input); 
    color: var(--texto-principal); 
}


.input-tiempo {
    padding: 4px 6px;
    border: 1px solid var(--borde-suave);
    border-radius: 4px;
    background-color: var(--bg-input);
    color: var(--texto-principal);
    outline: none;
    transition: border-color 0.2s ease;
}

.input-tiempo:focus {
    border-color: var(--color-primario, #2980b9);
}

.contenedorInputEnunciado {
    display: flex;
    justify-content: flex-start; 
}

.contenedorInputEnunciado input {
    text-align: left; 
    width: 100%;
    box-sizing: border-box;
    font-family: inherit;
    font-size: 1rem;
    border: none;
    outline: none;
    padding: 4px;
    color: var(--texto-principal); 
    background-color: transparent;
}

#tablaOperaciones button {
    margin: 0;
    width: 35px;
    height: 35px;
    padding: 5px 10px;
    font-size: 1.2em;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
    background: transparent;
    color: var(--texto-principal);
}

#tablaOperaciones button:hover {
    transform: translateY(-2px) scale(1.08);
    background-color: var(--bg-sitio);
}




@keyframes sj-entrada-fila {
    from { transform: translateY(10px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

@keyframes sj-destello {
    0%   { opacity: 0; transform: translateX(-130%) skewX(-20deg); }
    40%  { opacity: 0.5; }
    100% { opacity: 0; transform: translateX(130%) skewX(-20deg); }
}




.btn,
.btn-sala,
.grupo-botones-anadir button,
.acciones-presets button {
    position: relative;
    overflow: hidden;
    padding: 8px 16px;
    font-size: 0.95rem;
    font-weight: bold;
    font-family: 'Segoe UI', sans-serif;
    color: var(--texto-blanco); 
    background: var(--alerta-naranja); 
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}


.btn::after,
.btn-sala::after,
.grupo-botones-anadir button::after,
.acciones-presets button::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 45%;
    height: 100%;
    background: linear-gradient(120deg, transparent, var(--texto-blanco), transparent);
    opacity: 0;
    transform: translateX(-130%) skewX(-20deg);
    pointer-events: none;
}

.btn:hover::after,
.btn-sala:hover::after,
.grupo-botones-anadir button:hover::after,
.acciones-presets button:hover::after {
    animation: sj-destello 0.65s ease;
}

.btn:hover,
.btn-sala:hover,
.grupo-botones-anadir button:hover,
.acciones-presets button:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
    filter: brightness(1.1);
}

.btn:active,
.btn-sala:active,
.grupo-botones-anadir button:active,
.acciones-presets button:active {
    transform: scale(0.98);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn-primario,
.btn-sala-primario,
#btn-confirmar-sala,
#btn-crear-sala-rapida {
    background: var(--color-primario);
}

.btn-secundario {
    background: var(--color-secundario, #6c757d);
}

.btn-pro {
    background: var(--moneda-oro, #f39c12);
}

.btn-sala-exito {
    background: var(--exito-verde);
}

.btn-sala-exito:hover {
    background: var(--exito-verde-hover);
}


.selector-modo .btn.active {
    background: var(--color-primario);
    outline: 2px solid var(--color-primario-hover);
    outline-offset: 2px;
}




@media (prefers-reduced-motion: reduce) {
    .tarjeta-opcion-sala,
    #tablaOperaciones tbody tr,
    #tablaOperaciones button,
    .btn,
    .btn-sala,
    .grupo-botones-anadir button,
    .acciones-presets button {
        animation: none !important;
        transition: none !important;
    }

    .btn:hover::after,
    .btn-sala:hover::after,
    .grupo-botones-anadir button:hover::after,
    .acciones-presets button:hover::after {
        animation: none !important;
    }
}




@media screen and (max-width: 768px) {
    .contenedor-sala {
        padding: 18px;
        margin: 15px auto;
    }

    #tablaOperaciones tr {
        display: flex;
    }

    #tablaOperaciones td {
        text-align: center;
        align-items: center;
        border-bottom: 1px solid var(--borde-suave);
    }

    .ocultar-responsive {
        display: none;
    }
}