/**
 * Creative Scroll to Top Button - Frontend Styles
 * Version: 1.2.0
 */

/* CSS Variables for customization */
:root {
    --creative-scroll-to-top-button-primary: #8b5cf6;
    --creative-scroll-to-top-button-hover: #7c3aed;
    --creative-scroll-to-top-button-bottom-offset: 32px;
    --creative-scroll-to-top-button-fade-duration: 0.300s;
    --creative-scroll-to-top-button-transition: opacity var(--creative-scroll-to-top-button-fade-duration) cubic-bezier(0.4, 0, 0.2, 1), transform var(--creative-scroll-to-top-button-fade-duration) cubic-bezier(0.4, 0, 0.2, 1);
    --creative-scroll-to-top-button-transition-elastic: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Additional color variables */
    --creative-scroll-to-top-button-accent: #f59e0b;
    --creative-scroll-to-top-button-secondary: #f59e0b;
    --creative-scroll-to-top-button-blue: #3b82f6;
    --creative-scroll-to-top-button-cyan: #06b6d4;
    --creative-scroll-to-top-button-pink: #ec4899;
    --creative-scroll-to-top-button-dark: #0f172a;
    --creative-scroll-to-top-button-white: #ffffff;

    /* Style-specific color variables (overridden by user settings) */
    --creative-scroll-to-top-button-progress-ring: #ffffff;
    --creative-scroll-to-top-button-neon-color: #06b6d4;
    --creative-scroll-to-top-button-holo-1: #06b6d4;
    --creative-scroll-to-top-button-holo-2: #8b5cf6;
    --creative-scroll-to-top-button-holo-3: #ec4899;
    --creative-scroll-to-top-button-origami-bg: #f7f1e8;
    --creative-scroll-to-top-button-origami-text: #8b4513;
    --creative-scroll-to-top-button-quantum-fill: radial-gradient(circle, #1e1b4b, #312e81);
    --creative-scroll-to-top-button-flame-1: #f97316;
    --creative-scroll-to-top-button-flame-2: #dc2626;
    --creative-scroll-to-top-button-back-to-top-accent: #e74c3c;

    /* Shadow variables */
    --creative-scroll-to-top-button-shadow-glow: 0 0 20px rgba(139, 92, 246, 0.5);
    --creative-scroll-to-top-button-shadow-holographic: 0 8px 32px rgba(6, 182, 212, 0.3);
    --creative-scroll-to-top-button-shadow-neon: 0 0 30px rgba(6, 182, 212, 0.8);
}

/* Container */
#creative-scroll-to-top-button-container {
    position: fixed;
    z-index: 9999;
}

/* Prevent theme global svg { display:none } from hiding plugin icons */
#creative-scroll-to-top-button-container svg {
    display: block;
}

/* Prevent theme stroke/fill resets from making icon paths invisible.
   Excludes the progress-circle SVG whose child circles have their own strokes. */
#creative-scroll-to-top-button-container .creative-scroll-to-top-button-btn > svg:not(.creative-scroll-to-top-button-progress-circle) path,
#creative-scroll-to-top-button-container .creative-scroll-to-top-button-progress-icon path,
#creative-scroll-to-top-button-container .creative-scroll-to-top-button-btn > svg:not(.creative-scroll-to-top-button-progress-circle) polyline,
#creative-scroll-to-top-button-container .creative-scroll-to-top-button-btn > svg:not(.creative-scroll-to-top-button-progress-circle) circle,
#creative-scroll-to-top-button-container .creative-scroll-to-top-button-btn > svg:not(.creative-scroll-to-top-button-progress-circle) line,
#creative-scroll-to-top-button-container .creative-scroll-to-top-button-btn > svg:not(.creative-scroll-to-top-button-progress-circle) polygon {
    stroke: currentColor !important;
    fill: none !important;
}

#creative-scroll-to-top-button-container[data-position="bottom-right"] {
    bottom: var(--creative-scroll-to-top-button-bottom-offset);
    right: 2rem;
}

#creative-scroll-to-top-button-container[data-position="bottom-left"] {
    bottom: var(--creative-scroll-to-top-button-bottom-offset);
    left: 2rem;
}

#creative-scroll-to-top-button-container[data-position="bottom-center"] {
    bottom: var(--creative-scroll-to-top-button-bottom-offset);
    left: 50%;
    transform: translateX(-50%);
}

/* Base button styles */
.creative-scroll-to-top-button-btn {
    width: 3.5rem;
    height: 3.5rem;
    padding: 0;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--creative-scroll-to-top-button-transition);
    transform: translateY(1rem);
    opacity: 0;
    pointer-events: none;
    position: relative;
    outline: none;
    font-family: inherit;
    font-size: 16px;
    line-height: 1;
}

.creative-scroll-to-top-button-btn.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.creative-scroll-to-top-button-btn.hidden {
    opacity: 0;
    transform: translateY(1rem);
    pointer-events: none;
}

/* Button size modifiers */
#creative-scroll-to-top-button-container[data-size="small"] .creative-scroll-to-top-button-btn {
    width: 2.5rem;
    height: 2.5rem;
}

/* Progress button overrides the base size; reset it for small too */
#creative-scroll-to-top-button-container[data-size="small"] .creative-scroll-to-top-button-progress {
    width: 2.5rem;
    height: 2.5rem;
}

#creative-scroll-to-top-button-container[data-size="large"] .creative-scroll-to-top-button-btn {
    width: 4.5rem;
    height: 4.5rem;
}

#creative-scroll-to-top-button-container[data-size="large"] .creative-scroll-to-top-button-progress {
    width: 4.5rem;
    height: 4.5rem;
}

/* Screen reader only text (visually hidden but accessible) */
.creative-scroll-to-top-button-btn .sr-only,
.creative-scroll-to-top-button-btn .screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Classic Button */
.creative-scroll-to-top-button-classic {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-accent));
    color: var(--creative-scroll-to-top-button-white);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.creative-scroll-to-top-button-classic:hover {
    transform: scale(1.1) translateY(0);
    box-shadow: var(--creative-scroll-to-top-button-shadow-glow);
}

/* Progress Circle Button */
.creative-scroll-to-top-button-progress {
    background: rgba(139, 92, 246, 0.9);
    backdrop-filter: blur(12px);
    color: var(--creative-scroll-to-top-button-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 4rem;
    height: 4rem;
}

.creative-scroll-to-top-button-progress-circle {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.creative-scroll-to-top-button-progress-stroke {
    transition: stroke-dashoffset 0.3s ease;
    transform: rotate(-90deg);
    transform-origin: center;
    stroke: var(--creative-scroll-to-top-button-progress-ring);
}

.creative-scroll-to-top-button-progress-icon {
    position: relative;
    z-index: 1;
    color: var(--creative-scroll-to-top-button-white);
}

/* Rocket Button */
.creative-scroll-to-top-button-rocket {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-blue), var(--creative-scroll-to-top-button-primary));
    color: var(--creative-scroll-to-top-button-white);
    animation: creative-scroll-to-top-button-rocket-float 2s ease-in-out infinite;
}

.creative-scroll-to-top-button-rocket:hover {
    transform: scale(1.1) translateY(-2px);
}

.creative-scroll-to-top-button-rocket.launching {
    animation: creative-scroll-to-top-button-rocket-launch 0.6s ease-out;
}

@keyframes creative-scroll-to-top-button-rocket-float {

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

    50% {
        transform: translateY(-3px);
    }
}

@keyframes creative-scroll-to-top-button-rocket-launch {
    0% {
        transform: scale(1) translateY(0) rotate(0deg);
    }

    50% {
        transform: scale(1.2) translateY(-20px) rotate(-10deg);
    }

    100% {
        transform: scale(1) translateY(0) rotate(0deg);
    }
}

/* Bubble Button */
.creative-scroll-to-top-button-bubble {
    background: rgba(139, 92, 246, 0.7);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--creative-scroll-to-top-button-primary);
    animation: creative-scroll-to-top-button-bubble-float 3s ease-in-out infinite;
}

.creative-scroll-to-top-button-bubble:hover {
    transform: scale(1.1);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(245, 158, 11, 0.3));
}

@keyframes creative-scroll-to-top-button-bubble-float {

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

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

/* Minimal Button */
.creative-scroll-to-top-button-minimal {
    background: rgba(139, 92, 246, 0.8);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--creative-scroll-to-top-button-white);
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: creative-scroll-to-top-button-minimal-glow 2s ease-in-out infinite;
}

@keyframes creative-scroll-to-top-button-minimal-glow {

    0%,
    100% {
        box-shadow: 0 0 10px rgba(139, 92, 246, 0.3);
    }

    50% {
        box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
    }
}

/* Cosmic Button */
.creative-scroll-to-top-button-cosmic {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-accent));
    color: var(--creative-scroll-to-top-button-white);
    animation: creative-scroll-to-top-button-cosmic-pulse 2s ease-in-out infinite;
}

.creative-scroll-to-top-button-cosmic:hover {
    transform: scale(1.1) rotate(5deg);
}

@keyframes creative-scroll-to-top-button-cosmic-pulse {

    0%,
    100% {
        box-shadow: 0 0 15px rgba(139, 92, 246, 0.5);
    }

    50% {
        box-shadow: 0 0 25px rgba(245, 158, 11, 0.6);
    }
}

/* Holographic Button */
.creative-scroll-to-top-button-holographic {
    background: linear-gradient(45deg,
            color-mix(in srgb, var(--creative-scroll-to-top-button-holo-1) 20%, transparent),
            color-mix(in srgb, var(--creative-scroll-to-top-button-holo-2) 20%, transparent),
            color-mix(in srgb, var(--creative-scroll-to-top-button-holo-3) 20%, transparent));
    backdrop-filter: blur(12px);
    border: 1px solid color-mix(in srgb, var(--creative-scroll-to-top-button-holo-1) 30%, transparent);
    color: var(--creative-scroll-to-top-button-holo-1);
    animation: creative-scroll-to-top-button-holographic-shimmer 3s ease-in-out infinite;
}

@keyframes creative-scroll-to-top-button-holographic-shimmer {

    0%,
    100% {
        filter: hue-rotate(0deg) brightness(1);
    }

    33% {
        filter: hue-rotate(120deg) brightness(1.2);
    }

    66% {
        filter: hue-rotate(240deg) brightness(1.1);
    }
}

/* Neon Button */
.creative-scroll-to-top-button-neon {
    background: var(--creative-scroll-to-top-button-dark);
    border: 2px solid var(--creative-scroll-to-top-button-neon-color);
    color: var(--creative-scroll-to-top-button-neon-color);
    box-shadow:
        0 0 10px color-mix(in srgb, var(--creative-scroll-to-top-button-neon-color) 50%, transparent),
        inset 0 0 10px color-mix(in srgb, var(--creative-scroll-to-top-button-neon-color) 10%, transparent);
    animation: creative-scroll-to-top-button-neon-pulse 2s ease-in-out infinite;
}

@keyframes creative-scroll-to-top-button-neon-pulse {

    0%,
    100% {
        box-shadow:
            0 0 10px color-mix(in srgb, var(--creative-scroll-to-top-button-neon-color) 50%, transparent),
            inset 0 0 10px color-mix(in srgb, var(--creative-scroll-to-top-button-neon-color) 10%, transparent);
    }

    50% {
        box-shadow:
            0 0 20px color-mix(in srgb, var(--creative-scroll-to-top-button-neon-color) 80%, transparent),
            inset 0 0 20px color-mix(in srgb, var(--creative-scroll-to-top-button-neon-color) 20%, transparent);
    }
}

/* Magic Button */
.creative-scroll-to-top-button-magic {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-pink), var(--creative-scroll-to-top-button-accent));
    color: var(--creative-scroll-to-top-button-white);
    box-shadow: var(--creative-scroll-to-top-button-shadow-holographic);
    transition: var(--creative-scroll-to-top-button-transition-elastic);
}

.creative-scroll-to-top-button-magic:hover {
    transform: scale(1.1);
}

.creative-scroll-to-top-button-magic.casting {
    animation: creative-scroll-to-top-button-magic-sparkle 2s ease-out;
}

@keyframes creative-scroll-to-top-button-magic-sparkle {
    0% {
        transform: scale(1) rotate(0deg);
        filter: brightness(1);
    }

    25% {
        transform: scale(1.2) rotate(5deg);
        filter: brightness(1.5);
    }

    50% {
        transform: scale(1.1) rotate(-3deg);
        filter: brightness(1.3);
    }

    75% {
        transform: scale(1.15) rotate(2deg);
        filter: brightness(1.4);
    }

    100% {
        transform: scale(1) rotate(0deg);
        filter: brightness(1);
    }
}

/* Side Progress Bar - Always positioned at browser scroll bar, independent of button position */
.creative-scroll-to-top-button-side-progress {
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    left: auto !important;
    transform: none !important;
    width: 4px;
    height: 100vh;
    background: rgba(139, 92, 246, 0.1);
    z-index: 9998;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.creative-scroll-to-top-button-side-progress.visible {
    opacity: 1;
}

.creative-scroll-to-top-button-progress-fill {
    width: 100%;
    background: linear-gradient(to top, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-hover));
    border-radius: 2px;
    transition: height 0.1s ease;
    height: 0%;
}

/* Cosmic Background Effects (Optional) */
.creative-scroll-to-top-button-cosmic::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-accent), var(--creative-scroll-to-top-button-pink));
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.creative-scroll-to-top-button-cosmic:hover::before {
    opacity: 0.7;
}

/* Holographic Effects */
.creative-scroll-to-top-button-holographic::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.2) 50%,
            transparent 70%);
    border-radius: 50%;
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.creative-scroll-to-top-button-holographic:hover::before {
    transform: translateX(100%);
}

/* Magic Button Sparkle Effects */
.creative-scroll-to-top-button-magic::before {
    content: '✨';
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 12px;
    opacity: 0;
    animation: creative-scroll-to-top-button-magic-sparkle-orbit 4s linear infinite;
}

.creative-scroll-to-top-button-magic::after {
    content: '⭐';
    position: absolute;
    bottom: -8px;
    left: -8px;
    font-size: 10px;
    opacity: 0;
    animation: creative-scroll-to-top-button-magic-sparkle-orbit 3s linear infinite reverse;
}

@keyframes creative-scroll-to-top-button-magic-sparkle-orbit {
    0% {
        opacity: 0;
        transform: rotate(0deg) translateX(20px) rotate(0deg);
    }

    25% {
        opacity: 1;
    }

    75% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: rotate(360deg) translateX(20px) rotate(-360deg);
    }
}

/* Bubble Button Ripple Effect */
.creative-scroll-to-top-button-bubble::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease, opacity 0.6s ease;
    opacity: 0;
}

.creative-scroll-to-top-button-bubble:hover::before {
    width: 100%;
    height: 100%;
    opacity: 1;
}

/* Neon Button Glow Enhancement */
.creative-scroll-to-top-button-neon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg,
            var(--creative-scroll-to-top-button-neon-color),
            transparent,
            var(--creative-scroll-to-top-button-neon-color));
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.creative-scroll-to-top-button-neon:hover::before {
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    #creative-scroll-to-top-button-container[data-position="bottom-right"] {
        right: 1rem;
    }

    #creative-scroll-to-top-button-container[data-position="bottom-left"] {
        left: 1rem;
    }

    .creative-scroll-to-top-button-btn {
        width: 3rem;
        height: 3rem;
    }

    .creative-scroll-to-top-button-progress {
        width: 3.5rem;
        height: 3.5rem;
    }

    .creative-scroll-to-top-button-minimal {
        width: 2.5rem;
        height: 2.5rem;
    }
}

@media (max-width: 480px) {
    .creative-scroll-to-top-button-btn {
        width: 2.8rem;
        height: 2.8rem;
    }

    .creative-scroll-to-top-button-progress {
        width: 3.2rem;
        height: 3.2rem;
    }

    .creative-scroll-to-top-button-minimal {
        width: 2.3rem;
        height: 2.3rem;
    }
}

/* Color Overrides - These will be dynamically updated by user settings */
.creative-scroll-to-top-button-classic {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-hover)) !important;
}

.creative-scroll-to-top-button-classic:hover {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-hover), var(--creative-scroll-to-top-button-primary)) !important;
}

.creative-scroll-to-top-button-progress {
    background: var(--creative-scroll-to-top-button-primary) !important;
}

.creative-scroll-to-top-button-progress:hover {
    background: var(--creative-scroll-to-top-button-hover) !important;
}

.creative-scroll-to-top-button-rocket {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-hover)) !important;
}

.creative-scroll-to-top-button-rocket:hover {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-hover), var(--creative-scroll-to-top-button-primary)) !important;
}

.creative-scroll-to-top-button-bubble {
    background: var(--creative-scroll-to-top-button-primary) !important;
    color: var(--creative-scroll-to-top-button-white) !important;
}

.creative-scroll-to-top-button-bubble:hover {
    background: var(--creative-scroll-to-top-button-hover) !important;
    color: var(--creative-scroll-to-top-button-white) !important;
}

.creative-scroll-to-top-button-minimal {
    background: var(--creative-scroll-to-top-button-primary) !important;
}

.creative-scroll-to-top-button-minimal:hover {
    background: var(--creative-scroll-to-top-button-hover) !important;
}

.creative-scroll-to-top-button-cosmic {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-hover)) !important;
}

.creative-scroll-to-top-button-cosmic:hover {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-hover), var(--creative-scroll-to-top-button-primary)) !important;
}

.creative-scroll-to-top-button-holographic {
    background: linear-gradient(45deg,
        color-mix(in srgb, var(--creative-scroll-to-top-button-holo-1) 20%, transparent),
        color-mix(in srgb, var(--creative-scroll-to-top-button-holo-2) 20%, transparent),
        color-mix(in srgb, var(--creative-scroll-to-top-button-holo-3) 20%, transparent)) !important;
    border-color: color-mix(in srgb, var(--creative-scroll-to-top-button-holo-1) 30%, transparent) !important;
    color: var(--creative-scroll-to-top-button-holo-1) !important;
}

.creative-scroll-to-top-button-holographic:hover {
    color: var(--creative-scroll-to-top-button-holo-2) !important;
}

.creative-scroll-to-top-button-neon {
    border-color: var(--creative-scroll-to-top-button-neon-color) !important;
    color: var(--creative-scroll-to-top-button-neon-color) !important;
    box-shadow:
        0 0 10px color-mix(in srgb, var(--creative-scroll-to-top-button-neon-color) 50%, transparent),
        inset 0 0 10px color-mix(in srgb, var(--creative-scroll-to-top-button-neon-color) 10%, transparent) !important;
}

.creative-scroll-to-top-button-neon:hover {
    border-color: var(--creative-scroll-to-top-button-neon-color) !important;
    color: var(--creative-scroll-to-top-button-neon-color) !important;
}

.creative-scroll-to-top-button-magic {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-hover), var(--creative-scroll-to-top-button-secondary)) !important;
}

.creative-scroll-to-top-button-magic:hover {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-hover), var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-secondary)) !important;
}

.creative-scroll-to-top-button-liquid {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-hover)) !important;
}

.creative-scroll-to-top-button-liquid:hover {
    background: linear-gradient(135deg, var(--creative-scroll-to-top-button-hover), var(--creative-scroll-to-top-button-primary)) !important;
}

.creative-scroll-to-top-button-origami {
    background: var(--creative-scroll-to-top-button-origami-bg) !important;
    color: var(--creative-scroll-to-top-button-origami-text) !important;
}

.creative-scroll-to-top-button-quantum {
    border-color: var(--creative-scroll-to-top-button-primary) !important;
    color: var(--creative-scroll-to-top-button-primary) !important;
}

.creative-scroll-to-top-button-quantum:hover {
    border-color: var(--creative-scroll-to-top-button-hover) !important;
    color: var(--creative-scroll-to-top-button-hover) !important;
}

.creative-scroll-to-top-button-morphing {
    background: linear-gradient(45deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-hover)) !important;
}

.creative-scroll-to-top-button-morphing:hover {
    background: linear-gradient(45deg, var(--creative-scroll-to-top-button-hover), var(--creative-scroll-to-top-button-secondary)) !important;
}

.creative-scroll-to-top-button-flame {
    background: radial-gradient(circle at center, var(--creative-scroll-to-top-button-flame-1), var(--creative-scroll-to-top-button-flame-2)) !important;
}

.creative-scroll-to-top-button-crystal {
    background: linear-gradient(135deg,
        #ef4444,
        var(--creative-scroll-to-top-button-secondary),
        #10b981,
        #06b6d4,
        var(--creative-scroll-to-top-button-primary),
        var(--creative-scroll-to-top-button-hover)) !important;
    background-size: 400% 400% !important;
}

.creative-scroll-to-top-button-back-to-top {
    border-color: var(--creative-scroll-to-top-button-back-to-top-accent) !important;
}

.creative-scroll-to-top-button-back-to-top:hover {
    background: var(--creative-scroll-to-top-button-back-to-top-accent) !important;
    color: var(--creative-scroll-to-top-button-white) !important;
}

/* Accessibility — outline only for keyboard navigation, not mouse clicks */
.creative-scroll-to-top-button-btn:focus {
    outline: none;
}

.creative-scroll-to-top-button-btn:focus-visible {
    outline: 2px solid var(--creative-scroll-to-top-button-primary);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .creative-scroll-to-top-button-btn {
        border: 2px solid currentColor;
    }

    .creative-scroll-to-top-button-holographic,
    .creative-scroll-to-top-button-bubble,
    .creative-scroll-to-top-button-minimal {
        background: var(--creative-scroll-to-top-button-primary) !important;
        color: var(--creative-scroll-to-top-button-white) !important;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {

    .creative-scroll-to-top-button-btn,
    .creative-scroll-to-top-button-side-progress,
    .creative-scroll-to-top-button-progress-fill,
    .creative-scroll-to-top-button-progress-stroke {
        animation: none !important;
        transition: opacity 0.2s ease !important;
    }

    .creative-scroll-to-top-button-btn::before,
    .creative-scroll-to-top-button-btn::after {
        animation: none !important;
    }
}

/* ========== NEW CREATIVE BUTTON VARIANTS ========== */

/* Liquid Wave Button */
.creative-scroll-to-top-button-liquid {
    background: linear-gradient(135deg, #06b6d4, #3b82f6);
    color: var(--creative-scroll-to-top-button-white);
    border-radius: 50%;
    overflow: hidden;
    animation: creative-scroll-to-top-button-liquid-flow 2s ease-in-out infinite;
}

.creative-scroll-to-top-button-liquid::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: creative-scroll-to-top-button-liquid-ripple 2s ease-in-out infinite;
    pointer-events: none;
}

.creative-scroll-to-top-button-liquid:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.6);
}

@keyframes creative-scroll-to-top-button-liquid-ripple {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

@keyframes creative-scroll-to-top-button-liquid-flow {

    0%,
    100% {
        border-radius: 50%;
    }

    25% {
        border-radius: 60% 40% 60% 40%;
    }

    50% {
        border-radius: 40% 60% 40% 60%;
    }

    75% {
        border-radius: 60% 40% 60% 40%;
    }
}

/* Origami Fold Button */
.creative-scroll-to-top-button-origami {
    background: var(--creative-scroll-to-top-button-origami-bg);
    color: var(--creative-scroll-to-top-button-origami-text);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    overflow: hidden;
}

.creative-scroll-to-top-button-origami::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: creative-scroll-to-top-button-origami-fold 3s linear infinite;
}

.creative-scroll-to-top-button-origami:hover {
    transform: scale(1.1) rotateZ(5deg);
    box-shadow: 0 8px 25px rgba(139, 69, 19, 0.3);
}

@keyframes creative-scroll-to-top-button-origami-fold {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* Quantum Shift Button */
.creative-scroll-to-top-button-quantum {
    background: var(--creative-scroll-to-top-button-quantum-fill);
    border: 2px solid var(--creative-scroll-to-top-button-primary);
    color: var(--creative-scroll-to-top-button-primary);
    overflow: visible;
}

.creative-scroll-to-top-button-quantum::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--creative-scroll-to-top-button-primary);
    border-radius: 50%;
    box-shadow:
        0 0 0 20px rgba(139, 92, 246, 0.1),
        0 0 0 40px rgba(139, 92, 246, 0.05);
    animation: creative-scroll-to-top-button-quantum-pulse 2s ease-in-out infinite;
}

.creative-scroll-to-top-button-quantum:hover {
    transform: scale(1.1);
    animation: creative-scroll-to-top-button-quantum-teleport 0.5s ease-in-out;
}

/* Hide the centre dot when a custom icon overrides the quantum default */
.creative-scroll-to-top-button-quantum[data-icon]::before {
    display: none;
}

@keyframes creative-scroll-to-top-button-quantum-pulse {

    0%,
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 0.7;
        transform: translate(-50%, -50%) scale(1.5);
    }
}

@keyframes creative-scroll-to-top-button-quantum-teleport {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0;
        transform: scale(0.8) rotate(180deg);
    }

    100% {
        opacity: 1;
        transform: scale(1.1) rotate(360deg);
    }
}

/* Morphing Geometry Button */
.creative-scroll-to-top-button-morphing {
    background: linear-gradient(45deg, var(--creative-scroll-to-top-button-pink), var(--creative-scroll-to-top-button-primary));
    color: var(--creative-scroll-to-top-button-white);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    transition: var(--creative-scroll-to-top-button-transition-elastic);
}

.creative-scroll-to-top-button-morphing:hover {
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
    transform: scale(1.1) rotate(45deg);
    background: linear-gradient(45deg, var(--creative-scroll-to-top-button-primary), var(--creative-scroll-to-top-button-blue));
}

.creative-scroll-to-top-button-morphing svg {
    transition: var(--creative-scroll-to-top-button-transition-elastic);
}

.creative-scroll-to-top-button-morphing:hover svg {
    transform: rotate(45deg) scale(0.8);
}

/* Flame Burst Button */
.creative-scroll-to-top-button-flame {
    background: radial-gradient(circle at center, var(--creative-scroll-to-top-button-flame-1), var(--creative-scroll-to-top-button-flame-2));
    color: #fef3c7;
    overflow: visible;
}

.creative-scroll-to-top-button-flame::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: radial-gradient(circle, color-mix(in srgb, var(--creative-scroll-to-top-button-flame-1) 30%, transparent), transparent 70%);
    border-radius: 50%;
    animation: creative-scroll-to-top-button-flame-flicker 1.5s ease-in-out infinite alternate;
    pointer-events: none;
}

.creative-scroll-to-top-button-flame:hover {
    transform: scale(1.2);
    animation: creative-scroll-to-top-button-flame-burst 0.6s ease-out;
    box-shadow:
        0 0 30px color-mix(in srgb, var(--creative-scroll-to-top-button-flame-1) 80%, transparent),
        0 0 60px color-mix(in srgb, var(--creative-scroll-to-top-button-flame-2) 40%, transparent);
}

@keyframes creative-scroll-to-top-button-flame-flicker {
    0% {
        transform: scale(1) rotate(0deg);
        opacity: 0.7;
    }

    100% {
        transform: scale(1.1) rotate(2deg);
        opacity: 1;
    }
}

@keyframes creative-scroll-to-top-button-flame-burst {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.3);
        box-shadow: 0 0 50px var(--creative-scroll-to-top-button-flame-1), 0 0 100px var(--creative-scroll-to-top-button-flame-2);
    }

    100% {
        transform: scale(1.2);
    }
}

/* Crystal Prism Button */
.creative-scroll-to-top-button-crystal {
    background: linear-gradient(135deg,
            #ef4444,
            #f59e0b,
            #10b981,
            #06b6d4,
            var(--creative-scroll-to-top-button-primary),
            var(--creative-scroll-to-top-button-pink));
    background-size: 400% 400%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--creative-scroll-to-top-button-white);
    clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
    overflow: hidden;
    animation: creative-scroll-to-top-button-crystal-rainbow 3s ease-in-out infinite;
}

.creative-scroll-to-top-button-crystal::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.6) 50%, transparent 70%);
    animation: creative-scroll-to-top-button-crystal-refraction 2s linear infinite;
}

.creative-scroll-to-top-button-crystal:hover {
    transform: scale(1.1) rotate(30deg);
    animation-duration: 0.5s;
    filter: brightness(1.3) saturate(1.5);
}

@keyframes creative-scroll-to-top-button-crystal-rainbow {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes creative-scroll-to-top-button-crystal-refraction {
    0% {
        transform: rotate(0deg);
    }

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

/* Back to Top Button */
.creative-scroll-to-top-button-back-to-top {
    width: auto !important;
    min-width: 120px;
    height: 40px;
    border-radius: 20px;
    background: var(--creative-scroll-to-top-button-white);
    color: #333;
    border: 2px solid var(--creative-scroll-to-top-button-back-to-top-accent);
    flex-direction: row;
    gap: 4px;
    padding: 0 14px;
    font-family: system-ui, -apple-system, sans-serif;
    font-size: 12px;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--creative-scroll-to-top-button-back-to-top-accent) 15%, transparent);
}

.creative-scroll-to-top-button-back-to-top:hover {
    background: var(--creative-scroll-to-top-button-back-to-top-accent);
    color: var(--creative-scroll-to-top-button-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px color-mix(in srgb, var(--creative-scroll-to-top-button-back-to-top-accent) 25%, transparent);
}