:root {
    --fluid-loading-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --fluid-loading-primary: #3E285C;
    --fluid-loading-accent: #667eea;
    --fluid-loading-accent-end: #764ba2;
}

body.fluid-loading-active {
    overflow: hidden;
}

.fluid-loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 20000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: rgba(29, 17, 40, 0.42);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}

.fluid-loading-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.fluid-loading-bubbles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.fluid-loading-bubble {
    position: absolute;
    bottom: -4rem;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.55), rgba(102, 126, 234, 0.35) 45%, rgba(118, 75, 162, 0.2) 100%);
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow:
        0 8px 24px rgba(102, 126, 234, 0.22),
        inset 0 0 12px rgba(255, 255, 255, 0.2);
    animation: fluid-bubble-rise var(--bubble-duration, 4.8s) ease-in-out forwards;
    opacity: 0;
    will-change: transform, opacity, filter;
}

.fluid-loading-bubble.is-popping {
    animation: fluid-bubble-pop 0.42s ease-out forwards;
}

.fluid-loading-pop-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(102, 126, 234, 0.55);
    background: radial-gradient(circle, rgba(255, 255, 255, 0.45) 0%, rgba(102, 126, 234, 0.15) 55%, transparent 72%);
    pointer-events: none;
    animation: fluid-pop-ring 0.5s ease-out forwards;
    opacity: 0.85;
}

.fluid-loading-pop-dot {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 6px rgba(102, 126, 234, 0.45);
    pointer-events: none;
    animation: fluid-pop-dot 0.55s ease-out forwards;
}

.fluid-loading-bubble::after {
    content: '';
    position: absolute;
    top: 18%;
    left: 22%;
    width: 28%;
    height: 28%;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.65);
    filter: blur(1px);
}

@keyframes fluid-bubble-rise {
    0% {
        transform: translate3d(0, 0, 0) scale(0.35);
        opacity: 0;
    }

    10% {
        opacity: 0.88;
    }

    45% {
        transform: translate3d(calc(var(--bubble-drift, 0px) * 0.45), -52vh, 0) scale(0.92);
        opacity: 0.82;
    }

    78% {
        transform: translate3d(var(--bubble-drift, 0px), -88vh, 0) scale(1);
        opacity: 0.78;
    }

    100% {
        transform: translate3d(var(--bubble-drift, 0px), -88vh, 0) scale(1);
        opacity: 0.78;
    }
}

@keyframes fluid-bubble-pop {
    0% {
        transform: translate3d(var(--bubble-drift, 0px), -88vh, 0) scale(1);
        opacity: 0.78;
        filter: blur(0);
    }

    35% {
        transform: translate3d(var(--bubble-drift, 0px), -90vh, 0) scale(1.35);
        opacity: 0.55;
    }

    100% {
        transform: translate3d(var(--bubble-drift, 0px), -92vh, 0) scale(2.1);
        opacity: 0;
        filter: blur(5px);
    }
}

@keyframes fluid-pop-ring {
    0% {
        transform: scale(0.35);
        opacity: 0.9;
    }

    100% {
        transform: scale(1.8);
        opacity: 0;
    }
}

@keyframes fluid-pop-dot {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }

    100% {
        transform: translate(var(--dot-x, 0px), var(--dot-y, 0px)) scale(0.2);
        opacity: 0;
    }
}

.fluid-loading-panel {
    position: relative;
    z-index: 2;
    width: min(100%, 22rem);
    padding: 2rem 1.75rem 1.85rem;
    border-radius: 22px;
    text-align: center;
    color: var(--fluid-loading-primary);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(102, 126, 234, 0.18);
    box-shadow:
        0 24px 60px rgba(62, 40, 92, 0.18),
        0 0 0 1px rgba(255, 255, 255, 0.65) inset;
    animation: fluid-panel-enter 0.38s ease;
}

.fluid-loading-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: var(--fluid-loading-gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.75;
}

@keyframes fluid-panel-enter {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.96);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.fluid-loading-orbs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    margin-bottom: 1.15rem;
}

.fluid-loading-orb {
    width: 0.85rem;
    height: 0.85rem;
    border-radius: 50%;
    background: var(--fluid-loading-gradient);
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.35);
    animation: fluid-orb-pulse 1.4s ease-in-out infinite;
}

.fluid-loading-orb:nth-child(2) {
    animation-delay: 0.2s;
}

.fluid-loading-orb:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes fluid-orb-pulse {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.75;
    }

    50% {
        transform: translateY(-6px) scale(1.12);
        opacity: 1;
    }
}

.fluid-loading-title {
    margin: 0 0 0.45rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--fluid-loading-primary);
}

.fluid-loading-message {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.5;
    color: rgba(62, 40, 92, 0.72);
}

/* Dialog mode (success / error / confirm popups) */
.fluid-dialog-panel {
    width: min(100%, 28rem);
}

.fluid-dialog-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto 1rem;
    border-radius: 50%;
    font-size: 1.35rem;
}

.fluid-dialog-icon--success {
    color: #198754;
    background: rgba(25, 135, 84, 0.12);
    border: 2px solid rgba(25, 135, 84, 0.28);
}

.fluid-dialog-icon--error {
    color: #dc3545;
    background: rgba(220, 53, 69, 0.1);
    border: 2px solid rgba(220, 53, 69, 0.28);
}

.fluid-dialog-icon--warning {
    color: #b78103;
    background: rgba(255, 193, 7, 0.14);
    border: 2px solid rgba(255, 193, 7, 0.35);
}

.fluid-dialog-icon--info {
    color: #667eea;
    background: rgba(102, 126, 234, 0.12);
    border: 2px solid rgba(102, 126, 234, 0.28);
}

.fluid-dialog-body {
    margin: 0.35rem 0 0;
    font-size: 0.92rem;
    line-height: 1.55;
    color: rgba(62, 40, 92, 0.78);
    text-align: left;
}

.fluid-dialog-body--loading {
    text-align: center;
}

.fluid-dialog-body p:last-child,
.fluid-dialog-body ul:last-child {
    margin-bottom: 0;
}

.fluid-dialog-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
    margin-top: 1.35rem;
}

.fluid-dialog-btn {
    border: none;
    border-radius: 12px;
    padding: 0.62rem 1.15rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.fluid-dialog-btn:hover {
    transform: translateY(-1px);
}

.fluid-dialog-btn:active {
    transform: translateY(0);
}

.fluid-dialog-btn--confirm {
    color: #fff;
    background: var(--fluid-loading-gradient);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.28);
}

.fluid-dialog-btn--success {
    color: #fff;
    background: #28a745;
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.24);
}

.fluid-dialog-btn--danger {
    color: #fff;
    background: #dc3545;
    box-shadow: 0 8px 20px rgba(220, 53, 69, 0.22);
}

.fluid-dialog-btn--warning {
    color: #212529;
    background: #ffc107;
}

.fluid-dialog-btn--cancel {
    color: var(--fluid-loading-primary);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(62, 40, 92, 0.16);
    box-shadow: none;
}

.fluid-dialog-timer {
    display: block;
    height: 4px;
    margin-top: 1rem;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(102, 126, 234, 0.12);
}

.fluid-dialog-timer-bar {
    display: block;
    height: 100%;
    width: 100%;
    border-radius: inherit;
    background: var(--fluid-loading-gradient);
    transform-origin: left center;
}

@media (prefers-reduced-motion: reduce) {
    .fluid-loading-bubble,
    .fluid-loading-pop-ring,
    .fluid-loading-pop-dot,
    .fluid-loading-orb,
    .fluid-loading-panel {
        animation: none !important;
    }

    .fluid-loading-bubble {
        opacity: 0.35;
    }

    .fluid-loading-overlay.is-visible .fluid-loading-orb {
        opacity: 0.85;
    }
}

@media (max-width: 575.98px) {
    .fluid-loading-panel {
        padding: 1.65rem 1.35rem 1.5rem;
        border-radius: 18px;
    }

    .fluid-loading-title {
        font-size: 1.05rem;
    }
}