/**
 * Estilos para los spinners
 * Diferentes tipos de indicadores de carga para usar en la aplicación
 * Animaciones mejoradas y efectos visuales atractivos
 */

:root {
    /* Variables para los spinners */
    --spinner-size: 40px;
    --spinner-color: #3498db;
    --spinner-secondary-color: rgba(52, 152, 219, 0.2);
    --spinner-text-color: #333;
    --spinner-animation-duration: 1.2s;

    /* Colores para animaciones con degradado */
    --gradient-start: #3498db;
    --gradient-mid: #2ecc71;
    --gradient-end: #9b59b6;
}

/* Contenedor principal del spinner */
.spinner-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

.spinner-container.active {
    opacity: 1;
    visibility: visible;
}

/* Contenedor para spinner con texto */
.spinner-with-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

/* Texto del spinner */
.spinner-text {
    font-family: Arial, sans-serif;
    font-size: 16px;
    color: var(--spinner-text-color);
    text-align: center;
    max-width: 80%;
    animation: fadeIn 0.5s ease-in-out;
}

/* Spinner circular básico mejorado */
.spinner-circular {
    width: var(--spinner-size);
    height: var(--spinner-size);
    border: 4px solid var(--spinner-secondary-color);
    border-top: 4px solid var(--spinner-color);
    border-radius: 50%;
    animation: spin var(--spinner-animation-duration) cubic-bezier(0.5, 0.1, 0.5, 0.9) infinite;
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.3);
}

/* Spinner de puntos mejorado */
.spinner-dots {
    display: flex;
    gap: 6px;
}

.spinner-dots .dot {
    width: calc(var(--spinner-size) / 3);
    height: calc(var(--spinner-size) / 3);
    background-color: var(--spinner-color);
    border-radius: 50%;
    animation: bounceDot var(--spinner-animation-duration) ease-in-out infinite;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.spinner-dots .dot:nth-child(2) {
    animation-delay: 0.4s;
}

.spinner-dots .dot:nth-child(3) {
    animation-delay: 0.8s;
}

/* Spinner de doble anillo mejorado */
.spinner-dual-ring {
    width: var(--spinner-size);
    height: var(--spinner-size);
    position: relative;
}

.spinner-dual-ring:after {
    content: '';
    display: block;
    width: calc(var(--spinner-size) - 8px);
    height: calc(var(--spinner-size) - 8px);
    border-radius: 50%;
    border: 4px solid transparent;
    border-top-color: var(--spinner-color);
    border-bottom-color: var(--spinner-color);
    animation: dualSpin var(--spinner-animation-duration) cubic-bezier(0.3, 0.6, 0.8, 0.6) infinite;
    position: absolute;
    top: 4px;
    left: 4px;
    filter: drop-shadow(0 0 2px rgba(52, 152, 219, 0.5));
}

/* Spinner de pulsación mejorado */
.spinner-pulse {
    width: var(--spinner-size);
    height: var(--spinner-size);
    background-color: var(--spinner-color);
    border-radius: 50%;
    animation: enhancedPulse var(--spinner-animation-duration) cubic-bezier(0.4, 0, 0.6, 1) infinite;
    box-shadow: 0 0 10px var(--spinner-color);
}

/* NUEVOS SPINNERS */

/* Spinner con gradiente */
.spinner-gradient {
    width: var(--spinner-size);
    height: var(--spinner-size);
    border-radius: 50%;
    background: linear-gradient(45deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
    background-size: 300% 300%;
    animation: gradientSpin 3s ease infinite;
    box-shadow: 0 0 15px rgba(52, 152, 219, 0.3);
}

/* Spinner de ondas */
.spinner-wave {
    width: var(--spinner-size);
    height: calc(var(--spinner-size) / 2);
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
}

.spinner-wave .wave {
    width: calc(var(--spinner-size) / 6);
    height: 100%;
    background-color: var(--spinner-color);
    border-radius: 10px;
    animation: waveAnim 1s ease-in-out infinite;
    transform-origin: bottom;
}

.spinner-wave .wave:nth-child(2) {
    animation-delay: 0.2s;
}

.spinner-wave .wave:nth-child(3) {
    animation-delay: 0.4s;
}

.spinner-wave .wave:nth-child(4) {
    animation-delay: 0.6s;
}

.spinner-wave .wave:nth-child(5) {
    animation-delay: 0.8s;
}

/* Spinner de fusión */
.spinner-fusion {
    width: var(--spinner-size);
    height: var(--spinner-size);
    position: relative;
}

.spinner-fusion .circle {
    position: absolute;
    width: calc(var(--spinner-size) / 2);
    height: calc(var(--spinner-size) / 2);
    border-radius: 50%;
    top: calc(var(--spinner-size) / 4);
    animation: fusionMove 2s ease-in-out infinite;
}

.spinner-fusion .circle:nth-child(1) {
    background-color: rgba(52, 152, 219, 0.8);
    left: 0;
}

.spinner-fusion .circle:nth-child(2) {
    background-color: rgba(46, 204, 113, 0.8);
    right: 0;
    animation-delay: 1s;
}

/* Spinner de cuadrado rotativo */
.spinner-square {
    width: calc(var(--spinner-size) * 0.8);
    height: calc(var(--spinner-size) * 0.8);
    background-color: var(--spinner-color);
    animation: rotateSquare 3s infinite;
}

/* Animaciones */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes dualSpin {
    0% {
        transform: rotate(0deg);
    }

    50% {
        transform: rotate(180deg);
        opacity: 0.5;
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes bounceDot {

    0%,
    100% {
        transform: scale(0.3) translateY(0);
    }

    50% {
        transform: scale(1) translateY(-10px);
    }
}

@keyframes enhancedPulse {
    0% {
        transform: scale(0.8);
        opacity: 0.7;
        box-shadow: 0 0 0 rgba(52, 152, 219, 0.4);
    }

    50% {
        transform: scale(1.1);
        opacity: 1;
        box-shadow: 0 0 20px rgba(52, 152, 219, 0.8);
    }

    100% {
        transform: scale(0.8);
        opacity: 0.7;
        box-shadow: 0 0 0 rgba(52, 152, 219, 0.4);
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gradientSpin {
    0% {
        background-position: 0% 50%;
        transform: rotate(0deg);
    }

    50% {
        background-position: 100% 50%;
        transform: rotate(180deg);
    }

    100% {
        background-position: 0% 50%;
        transform: rotate(360deg);
    }
}

@keyframes waveAnim {

    0%,
    100% {
        transform: scaleY(0.2);
    }

    50% {
        transform: scaleY(1);
    }
}

@keyframes fusionMove {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(calc(var(--spinner-size) / 2));
        opacity: 0.6;
    }
}

@keyframes rotateSquare {
    0% {
        transform: rotate(0deg);
        border-radius: 0;
    }

    25% {
        transform: rotate(90deg);
        border-radius: 10%;
    }

    50% {
        transform: rotate(180deg);
        border-radius: 50%;
    }

    75% {
        transform: rotate(270deg);
        border-radius: 10%;
    }

    100% {
        transform: rotate(360deg);
        border-radius: 0;
    }
}

/* Ajustes responsivos */
@media (max-width: 768px) {
    :root {
        --spinner-size: 30px;
    }

    .spinner-text {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    :root {
        --spinner-size: 25px;
    }

    .spinner-text {
        font-size: 12px;
    }
}