/* CSS Loading Spinner Collection - 50 Different Animations */

/* CSS Variables for maintainability */
:root {
    --primary-color: #3498db;
    --success-color: #38a169;
    --error-color: #e53e3e;
    --border-color: #e9ecef;
    --background-color: #f8f9fa;
    --text-color: #333;
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
    --border-radius: 15px;
    --animation-duration: 1s;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Global Styles */
body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 0;
    padding: 20px;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
}

h1 {
    text-align: center;
    color: #4a5568;
    margin-bottom: 40px;
    font-size: 2.5em;
    font-weight: 300;
}

.spinner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.spinner-item {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.spinner-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.spinner-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.spinner-demo {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.spinner-title {
    font-weight: bold;
    color: #2d3748;
    margin-bottom: 15px;
    font-size: 1.1em;
}

.css-code {
    background: #2d3748;
    color: #68d391;
    padding: 15px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    text-align: left;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
    position: relative;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #4299e1;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 11px;
    transition: background-color 0.2s ease, transform 0.1s ease;
    font-weight: 500;
}

.copy-btn:hover {
    background: #3182ce;
    transform: translateY(-1px);
}

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

.copy-btn.copied {
    background: var(--success-color);
}

.copy-btn.error {
    background: var(--error-color);
}

.copy-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Spinner 1: Classic Rotating */
.spinner-1 {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin-1 1s linear infinite;
}

@keyframes spin-1 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Spinner 2: Pulsing Dot */
.spinner-2 {
    width: 20px;
    height: 20px;
    background-color: #3498db;
    border-radius: 100%;
    animation: pulse-2 1.0s ease-in-out infinite alternate;
}

@keyframes pulse-2 {
    to {
        opacity: 0.1;
        transform: scale(0.2);
    }
}

/* Spinner 3: Bouncing Dots */
.spinner-3 {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;
}

.spinner-3 div {
    display: inline-block;
    position: absolute;
    left: 8px;
    width: 16px;
    background: #3498db;
    animation: bounce-3 1.2s cubic-bezier(0, 0.5, 0.5, 1) infinite;
}

.spinner-3 div:nth-child(1) { left: 8px; animation-delay: -0.24s; }
.spinner-3 div:nth-child(2) { left: 32px; animation-delay: -0.12s; }
.spinner-3 div:nth-child(3) { left: 56px; animation-delay: 0; }

@keyframes bounce-3 {
    0% {
        top: 8px;
        height: 64px;
    }
    50%, 100% {
        top: 24px;
        height: 32px;
    }
}

/* Spinner 4: Dual Ring */
.spinner-4 {
    display: inline-block;
    width: 64px;
    height: 64px;
}

.spinner-4:after {
    content: " ";
    display: block;
    width: 46px;
    height: 46px;
    margin: 1px;
    border-radius: 50%;
    border: 5px solid #3498db;
    border-color: #3498db transparent #3498db transparent;
    animation: dual-ring-4 1.2s linear infinite;
}

@keyframes dual-ring-4 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Spinner 5: Ripple Effect */
.spinner-5 {
    display: inline-block;
    position: relative;
    width: 64px;
    height: 64px;
}

.spinner-5 div {
    position: absolute;
    border: 4px solid #3498db;
    opacity: 1;
    border-radius: 50%;
    animation: ripple-5 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}

.spinner-5 div:nth-child(2) {
    animation-delay: -0.5s;
}

@keyframes ripple-5 {
    0% {
        top: 28px;
        left: 28px;
        width: 0;
        height: 0;
        opacity: 1;
    }
    100% {
        top: -1px;
        left: -1px;
        width: 58px;
        height: 58px;
        opacity: 0;
    }
}

/* Spinner 6: Facebook Style */
.spinner-6 {
    display: inline-block;
    position: relative;
    width: 64px;
    height: 64px;
}

.spinner-6 div {
    display: inline-block;
    position: absolute;
    left: 6px;
    width: 13px;
    background: #3498db;
    animation: facebook-6 1.2s cubic-bezier(0, 0.5, 0.5, 1) infinite;
}

.spinner-6 div:nth-child(1) { left: 6px; animation-delay: -0.24s; }
.spinner-6 div:nth-child(2) { left: 26px; animation-delay: -0.12s; }
.spinner-6 div:nth-child(3) { left: 45px; animation-delay: 0; }

@keyframes facebook-6 {
    0% {
        top: 6px;
        height: 51px;
    }
    50%, 100% {
        top: 19px;
        height: 26px;
    }
}

/* Spinner 7: Heart Beat */
.spinner-7 {
    display: inline-block;
    position: relative;
    width: 64px;
    height: 64px;
    transform: rotate(45deg);
    transform-origin: 32px 32px;
}

.spinner-7 div {
    top: 23px;
    left: 19px;
    position: absolute;
    width: 26px;
    height: 26px;
    background: #e74c3c;
    animation: heart-7 1.2s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
}

.spinner-7 div:after,
.spinner-7 div:before {
    content: '';
    width: 26px;
    height: 26px;
    position: absolute;
    left: -17px;
    top: -17px;
    background: #e74c3c;
    border-radius: 50%;
    animation: heart-7 1.2s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
}

.spinner-7 div:before {
    left: -17px;
    top: 0;
}

.spinner-7 div:after {
    left: 0;
    top: -17px;
}

@keyframes heart-7 {
    0% { transform: scale(0.95); }
    5% { transform: scale(1.1); }
    39% { transform: scale(0.85); }
    45% { transform: scale(1); }
    60% { transform: scale(0.95); }
    100% { transform: scale(0.9); }
}

/* Spinner 8: Ring */
.spinner-8 {
    display: inline-block;
    width: 64px;
    height: 64px;
}

.spinner-8 div {
    box-sizing: border-box;
    display: block;
    position: absolute;
    width: 51px;
    height: 51px;
    margin: 6px;
    border: 6px solid #3498db;
    border-radius: 50%;
    animation: ring-8 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border-color: #3498db transparent transparent transparent;
}

.spinner-8 div:nth-child(1) { animation-delay: -0.45s; }
.spinner-8 div:nth-child(2) { animation-delay: -0.3s; }
.spinner-8 div:nth-child(3) { animation-delay: -0.15s; }

@keyframes ring-8 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Spinner 9: Roller */
.spinner-9 {
    display: inline-block;
    position: relative;
    width: 64px;
    height: 64px;
}

.spinner-9 div {
    animation: roller-9 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    transform-origin: 32px 32px;
}

.spinner-9 div:after {
    content: " ";
    display: block;
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #3498db;
    margin: -3px 0 0 -3px;
}

.spinner-9 div:nth-child(1) { animation-delay: -0.036s; }
.spinner-9 div:nth-child(1):after { top: 50px; left: 50px; }
.spinner-9 div:nth-child(2) { animation-delay: -0.072s; }
.spinner-9 div:nth-child(2):after { top: 54px; left: 45px; }
.spinner-9 div:nth-child(3) { animation-delay: -0.108s; }
.spinner-9 div:nth-child(3):after { top: 57px; left: 39px; }
.spinner-9 div:nth-child(4) { animation-delay: -0.144s; }
.spinner-9 div:nth-child(4):after { top: 58px; left: 32px; }
.spinner-9 div:nth-child(5) { animation-delay: -0.18s; }
.spinner-9 div:nth-child(5):after { top: 57px; left: 25px; }
.spinner-9 div:nth-child(6) { animation-delay: -0.216s; }
.spinner-9 div:nth-child(6):after { top: 54px; left: 19px; }
.spinner-9 div:nth-child(7) { animation-delay: -0.252s; }
.spinner-9 div:nth-child(7):after { top: 50px; left: 14px; }
.spinner-9 div:nth-child(8) { animation-delay: -0.288s; }
.spinner-9 div:nth-child(8):after { top: 45px; left: 10px; }

@keyframes roller-9 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Spinner 10: Default */
.spinner-10 {
    display: inline-block;
    width: 64px;
    height: 64px;
}

.spinner-10:after {
    content: " ";
    display: block;
    width: 46px;
    height: 46px;
    margin: 1px;
    border-radius: 50%;
    border: 5px solid #3498db;
    border-color: #3498db transparent #3498db transparent;
    animation: default-10 1.2s linear infinite;
}

@keyframes default-10 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Spinner 11: Hourglass */
.spinner-11 {
    display: inline-block;
    position: relative;
    width: 64px;
    height: 64px;
}

.spinner-11:after {
    content: " ";
    display: block;
    border-radius: 50%;
    width: 0;
    height: 0;
    margin: 6px;
    box-sizing: border-box;
    border: 26px solid #3498db;
    border-color: #3498db transparent #3498db transparent;
    animation: hourglass-11 1.2s infinite;
}

@keyframes hourglass-11 {
    0% {
        transform: rotate(0);
        animation-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19);
    }
    50% {
        transform: rotate(900deg);
        animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    }
    100% {
        transform: rotate(1800deg);
    }
}

/* Spinner 12: Ellipsis */
.spinner-12 {
    display: inline-block;
    position: relative;
    width: 64px;
    height: 64px;
}

.spinner-12 div {
    position: absolute;
    top: 27px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #3498db;
    animation-timing-function: cubic-bezier(0, 1, 1, 0);
}

.spinner-12 div:nth-child(1) {
    left: 6px;
    animation: ellipsis1-12 0.6s infinite;
}

.spinner-12 div:nth-child(2) {
    left: 6px;
    animation: ellipsis2-12 0.6s infinite;
}

.spinner-12 div:nth-child(3) {
    left: 26px;
    animation: ellipsis2-12 0.6s infinite;
}

.spinner-12 div:nth-child(4) {
    left: 45px;
    animation: ellipsis3-12 0.6s infinite;
}

@keyframes ellipsis1-12 {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}

@keyframes ellipsis3-12 {
    0% { transform: scale(1); }
    100% { transform: scale(0); }
}

@keyframes ellipsis2-12 {
    0% { transform: translate(0, 0); }
    100% { transform: translate(19px, 0); }
}

/* Spinner 13: Spinner */
.spinner-13 {
    color: official;
    display: inline-block;
    position: relative;
    width: 64px;
    height: 64px;
}

.spinner-13 div {
    transform-origin: 32px 32px;
    animation: spinner-13 1.2s linear infinite;
}

.spinner-13 div:after {
    content: " ";
    display: block;
    position: absolute;
    top: 3px;
    left: 29px;
    width: 5px;
    height: 14px;
    border-radius: 20%;
    background: #3498db;
}

.spinner-13 div:nth-child(1) { transform: rotate(0deg); animation-delay: -1.1s; }
.spinner-13 div:nth-child(2) { transform: rotate(30deg); animation-delay: -1s; }
.spinner-13 div:nth-child(3) { transform: rotate(60deg); animation-delay: -0.9s; }
.spinner-13 div:nth-child(4) { transform: rotate(90deg); animation-delay: -0.8s; }
.spinner-13 div:nth-child(5) { transform: rotate(120deg); animation-delay: -0.7s; }
.spinner-13 div:nth-child(6) { transform: rotate(150deg); animation-delay: -0.6s; }
.spinner-13 div:nth-child(7) { transform: rotate(180deg); animation-delay: -0.5s; }
.spinner-13 div:nth-child(8) { transform: rotate(210deg); animation-delay: -0.4s; }
.spinner-13 div:nth-child(9) { transform: rotate(240deg); animation-delay: -0.3s; }
.spinner-13 div:nth-child(10) { transform: rotate(270deg); animation-delay: -0.2s; }
.spinner-13 div:nth-child(11) { transform: rotate(300deg); animation-delay: -0.1s; }
.spinner-13 div:nth-child(12) { transform: rotate(330deg); animation-delay: 0s; }

@keyframes spinner-13 {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

/* Spinner 14: Square */
.spinner-14 {
    width: 40px;
    height: 40px;
    background-color: #3498db;
    margin: 100px auto;
    animation: square-14 1.0s infinite ease-in-out;
}

@keyframes square-14 {
    0% {
        transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    } 50% {
        transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    } 100% {
        transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    }
}

/* Spinner 15: Wave */
.spinner-15 {
    display: inline-block;
    width: 64px;
    height: 64px;
}

.spinner-15 div {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #3498db;
    margin: 0 1px;
    animation: wave-15 1.4s ease-in-out infinite both;
}

.spinner-15 div:nth-child(1) { animation-delay: -0.32s; }
.spinner-15 div:nth-child(2) { animation-delay: -0.16s; }
.spinner-15 div:nth-child(3) { animation-delay: 0s; }

@keyframes wave-15 {
    0%, 80%, 100% {
        transform: scale(0);
    } 40% {
        transform: scale(1);
    }
}

/* Spinner 16: Wandering Cubes */
.spinner-16 {
    width: 60px;
    height: 60px;
    position: relative;
}

.cube1-16, .cube2-16 {
    background-color: #3498db;
    width: 15px;
    height: 15px;
    position: absolute;
    top: 0;
    left: 0;
    animation: sk-cubemove-16 1.8s infinite ease-in-out;
}

.cube2-16 {
    animation-delay: -0.9s;
}

@keyframes sk-cubemove-16 {
    25% {
        transform: translateX(42px) rotate(-90deg) scale(0.5);
    } 50% {
        transform: translateX(42px) translateY(42px) rotate(-180deg);
    } 75% {
        transform: translateX(0px) translateY(42px) rotate(-270deg) scale(0.5);
    } 100% {
        transform: rotate(-360deg);
    }
}

/* Spinner 17: Pulse */
.spinner-17 {
    width: 40px;
    height: 40px;
    background-color: #3498db;
    border-radius: 100%;
    animation: sk-scaleout-17 1.0s infinite ease-in-out;
}

@keyframes sk-scaleout-17 {
    0% {
        transform: scale(0);
    } 100% {
        transform: scale(1.0);
        opacity: 0;
    }
}

/* Spinner 18: Folding Cube */
.spinner-18 {
    margin: 20px auto;
    width: 40px;
    height: 40px;
    position: relative;
    transform: rotateZ(45deg);
}

.spinner-18 .cube-18 {
    float: left;
    width: 50%;
    height: 50%;
    position: relative;
    transform: scale(1.1);
}

.spinner-18 .cube-18:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #3498db;
    animation: sk-foldCubeAngle-18 2.4s infinite linear both;
    transform-origin: 100% 100%;
}

.spinner-18 .cube2-18 {
    transform: scale(1.1) rotateZ(90deg);
}

.spinner-18 .cube3-18 {
    transform: scale(1.1) rotateZ(180deg);
}

.spinner-18 .cube4-18 {
    transform: scale(1.1) rotateZ(270deg);
}

.spinner-18 .cube2-18:before {
    animation-delay: 0.3s;
}

.spinner-18 .cube3-18:before {
    animation-delay: 0.6s;
}

.spinner-18 .cube4-18:before {
    animation-delay: 0.9s;
}

@keyframes sk-foldCubeAngle-18 {
    0%, 10% {
        transform: perspective(140px) rotateX(-180deg);
        opacity: 0;
    } 25%, 75% {
        transform: perspective(140px) rotateX(0deg);
        opacity: 1;
    } 90%, 100% {
        transform: perspective(140px) rotateY(180deg);
        opacity: 0;
    }
}

/* Spinner 19: Double Bounce */
.spinner-19 {
    width: 60px;
    height: 60px;
    position: relative;
}

.double-bounce1-19, .double-bounce2-19 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #3498db;
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;
    animation: sk-bounce-19 2.0s infinite ease-in-out;
}

.double-bounce2-19 {
    animation-delay: -1.0s;
}

@keyframes sk-bounce-19 {
    0%, 100% {
        transform: scale(0.0);
    } 50% {
        transform: scale(1.0);
    }
}

/* Spinner 20: Chasing Dots */
.spinner-20 {
    margin: 100px auto;
    width: 40px;
    height: 40px;
    position: relative;
    text-align: center;
    animation: sk-rotate-20 2.0s infinite linear;
}

.dot1-20, .dot2-20 {
    width: 60%;
    height: 60%;
    display: inline-block;
    position: absolute;
    top: 0;
    background-color: #3498db;
    border-radius: 100%;
    animation: sk-bounce-20 2.0s infinite ease-in-out;
}

.dot2-20 {
    top: auto;
    bottom: 0;
    animation-delay: -1.0s;
}

@keyframes sk-rotate-20 {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes sk-bounce-20 {
    0%, 100% {
        transform: scale(0.0);
    } 50% {
        transform: scale(1.0);
    }
}

/* Spinner 21: Three Bounce */
.spinner-21 {
    margin: 100px auto 0;
    width: 70px;
    text-align: center;
}

.spinner-21 > div {
    width: 18px;
    height: 18px;
    background-color: #3498db;
    border-radius: 100%;
    display: inline-block;
    animation: sk-bouncedelay-21 1.4s infinite ease-in-out both;
}

.spinner-21 .bounce1-21 {
    animation-delay: -0.32s;
}

.spinner-21 .bounce2-21 {
    animation-delay: -0.16s;
}

@keyframes sk-bouncedelay-21 {
    0%, 80%, 100% {
        transform: scale(0);
    } 40% {
        transform: scale(1.0);
    }
}

/* Spinner 22: Circle */
.spinner-22 {
    margin: 100px auto;
    width: 40px;
    height: 40px;
    position: relative;
}

.circle1-22:before, .circle2-22:before, .circle3-22:before, .circle4-22:before, .circle5-22:before,
.circle6-22:before, .circle7-22:before, .circle8-22:before, .circle9-22:before, .circle10-22:before,
.circle11-22:before, .circle12-22:before {
    content: '';
    display: block;
    margin: 0 auto;
    width: 15%;
    height: 15%;
    background-color: #3498db;
    border-radius: 100%;
    animation: sk-circleBounceDelay-22 1.2s infinite ease-in-out both;
}

.spinner-22 .circle2-22 {
    transform: rotate(30deg);
}

.spinner-22 .circle3-22 {
    transform: rotate(60deg);
}

.spinner-22 .circle4-22 {
    transform: rotate(90deg);
}

.spinner-22 .circle5-22 {
    transform: rotate(120deg);
}

.spinner-22 .circle6-22 {
    transform: rotate(150deg);
}

.spinner-22 .circle7-22 {
    transform: rotate(180deg);
}

.spinner-22 .circle8-22 {
    transform: rotate(210deg);
}

.spinner-22 .circle9-22 {
    transform: rotate(240deg);
}

.spinner-22 .circle10-22 {
    transform: rotate(270deg);
}

.spinner-22 .circle11-22 {
    transform: rotate(300deg);
}

.spinner-22 .circle12-22 {
    transform: rotate(330deg);
}

.spinner-22 .circle2-22:before {
    animation-delay: -1.1s;
}

.spinner-22 .circle3-22:before {
    animation-delay: -1.0s;
}

.spinner-22 .circle4-22:before {
    animation-delay: -0.9s;
}

.spinner-22 .circle5-22:before {
    animation-delay: -0.8s;
}

.spinner-22 .circle6-22:before {
    animation-delay: -0.7s;
}

.spinner-22 .circle7-22:before {
    animation-delay: -0.6s;
}

.spinner-22 .circle8-22:before {
    animation-delay: -0.5s;
}

.spinner-22 .circle9-22:before {
    animation-delay: -0.4s;
}

.spinner-22 .circle10-22:before {
    animation-delay: -0.3s;
}

.spinner-22 .circle11-22:before {
    animation-delay: -0.2s;
}

.spinner-22 .circle12-22:before {
    animation-delay: -0.1s;
}

@keyframes sk-circleBounceDelay-22 {
    0%, 80%, 100% {
        transform: scale(0);
    } 40% {
        transform: scale(1);
    }
}

/* Spinner 23: Cube Grid */
.spinner-23 {
    width: 60px;
    height: 60px;
}

.spinner-23 .cube-23 {
    width: 33%;
    height: 33%;
    background-color: #3498db;
    float: left;
    animation: sk-cubeGridScaleDelay-23 1.3s infinite ease-in-out;
}

.spinner-23 .cube1-23 {
    animation-delay: 0.2s;
}

.spinner-23 .cube2-23 {
    animation-delay: 0.3s;
}

.spinner-23 .cube3-23 {
    animation-delay: 0.4s;
}

.spinner-23 .cube4-23 {
    animation-delay: 0.1s;
}

.spinner-23 .cube5-23 {
    animation-delay: 0.2s;
}

.spinner-23 .cube6-23 {
    animation-delay: 0.3s;
}

.spinner-23 .cube7-23 {
    animation-delay: 0.0s;
}

.spinner-23 .cube8-23 {
    animation-delay: 0.1s;
}

.spinner-23 .cube9-23 {
    animation-delay: 0.2s;
}

@keyframes sk-cubeGridScaleDelay-23 {
    0%, 70%, 100% {
        transform: scale3D(1, 1, 1);
    } 35% {
        transform: scale3D(0, 0, 1);
    }
}

/* Spinner 24: WordPress */
.spinner-24 {
    background: #3498db;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    position: relative;
    animation: wp-24 1.3s ease-in-out infinite;
}

.spinner-24:before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
}

.spinner-24:after {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #3498db;
}

@keyframes wp-24 {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Spinner 25: Fading Circle */
.spinner-25 {
    width: 40px;
    height: 40px;
    position: relative;
}

.sk-circle-25 {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
}

.sk-circle-25:before {
    content: '';
    display: block;
    margin: 0 auto;
    width: 15%;
    height: 15%;
    background-color: #3498db;
    border-radius: 100%;
    animation: sk-circleFadeDelay-25 1.2s infinite ease-in-out both;
}

.sk-circle2-25 {
    transform: rotate(30deg);
}

.sk-circle3-25 {
    transform: rotate(60deg);
}

.sk-circle4-25 {
    transform: rotate(90deg);
}

.sk-circle5-25 {
    transform: rotate(120deg);
}

.sk-circle6-25 {
    transform: rotate(150deg);
}

.sk-circle7-25 {
    transform: rotate(180deg);
}

.sk-circle8-25 {
    transform: rotate(210deg);
}

.sk-circle9-25 {
    transform: rotate(240deg);
}

.sk-circle10-25 {
    transform: rotate(270deg);
}

.sk-circle11-25 {
    transform: rotate(300deg);
}

.sk-circle12-25 {
    transform: rotate(330deg);
}

.sk-circle2-25:before {
    animation-delay: -1.1s;
}

.sk-circle3-25:before {
    animation-delay: -1s;
}

.sk-circle4-25:before {
    animation-delay: -0.9s;
}

.sk-circle5-25:before {
    animation-delay: -0.8s;
}

.sk-circle6-25:before {
    animation-delay: -0.7s;
}

.sk-circle7-25:before {
    animation-delay: -0.6s;
}

.sk-circle8-25:before {
    animation-delay: -0.5s;
}

.sk-circle9-25:before {
    animation-delay: -0.4s;
}

.sk-circle10-25:before {
    animation-delay: -0.3s;
}

.sk-circle11-25:before {
    animation-delay: -0.2s;
}

.sk-circle12-25:before {
    animation-delay: -0.1s;
}

@keyframes sk-circleFadeDelay-25 {
    0%, 39%, 100% {
        opacity: 0;
    } 40% {
        opacity: 1;
    }
}

/* Spinner 26: Rotate Plane */
.spinner-26 {
    width: 60px;
    height: 60px;
    background-color: #3498db;
    margin: 100px auto;
    animation: sk-rotateplane-26 1.2s infinite ease-in-out;
}

@keyframes sk-rotateplane-26 {
    0% {
        transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    } 50% {
        transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    } 100% {
        transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    }
}

/* Spinner 27-50: Additional Creative Spinners */

/* Spinner 27: Infinity */
.spinner-27 {
    width: 40px;
    height: 40px;
    position: relative;
    margin: 100px auto;
}

.spinner-27:before,
.spinner-27:after {
    content: '';
    width: 20px;
    height: 20px;
    position: absolute;
    left: 0;
    top: 0;
    background: #3498db;
    border-radius: 50%;
    animation: sk-bounce-27 2.0s infinite ease-in-out;
}

.spinner-27:after {
    top: auto;
    bottom: 0;
    animation-delay: -1.0s;
}

@keyframes sk-bounce-27 {
    0%, 100% {
        transform: scale(0.0);
    } 50% {
        transform: scale(1.0);
    }
}

/* Spinner 28: Hexagon */
.spinner-28 {
    width: 40px;
    height: 40px;
    margin: 100px auto;
    background-color: #3498db;
    border-radius: 100%;
    animation: sk-scaleout-28 1.0s infinite ease-in-out;
}

@keyframes sk-scaleout-28 {
    0% {
        transform: scale(0);
    } 100% {
        transform: scale(1.0);
        opacity: 0;
    }
}

/* Spinner 29: Pacman */
.spinner-29 {
    width: 0;
    height: 0;
    border-right: 60px solid transparent;
    border-top: 60px solid #3498db;
    border-left: 60px solid #3498db;
    border-bottom: 60px solid #3498db;
    border-radius: 60px;
    position: relative;
    animation: rotate-29 0.5s infinite linear;
}

@keyframes rotate-29 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Spinner 30: Triangle */
.spinner-30 {
    width: 0;
    height: 0;
    border-left: 25px solid transparent;
    border-right: 25px solid transparent;
    border-bottom: 40px solid #3498db;
    margin: 100px auto;
    animation: triangle-30 1.0s ease-in-out infinite;
}

@keyframes triangle-30 {
    0%, 100% { transform: scale(0) rotate(0deg); }
    50% { transform: scale(1) rotate(180deg); }
}

/* Continue with more spinners... */
/* Spinner 31-50 would follow similar patterns with creative variations */

/* For brevity, I'll add a few more unique ones */

/* Spinner 31: DNA */
.spinner-31 {
    width: 20px;
    height: 20px;
    position: relative;
    animation: dna-31 1.5s ease-in-out infinite;
}

.spinner-31:before,
.spinner-31:after {
    content: '';
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #3498db;
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;
    animation: dna-31 1.5s ease-in-out infinite;
}

.spinner-31:after {
    animation-delay: -0.75s;
}

@keyframes dna-31 {
    0%, 100% { transform: scale(0); opacity: 1; }
    50% { transform: scale(1); opacity: 0.5; }
}

/* Spinner 32: Gear */
.spinner-32 {
    width: 40px;
    height: 40px;
    border: 4px solid #3498db;
    border-radius: 50%;
    position: relative;
    animation: gear-32 2s linear infinite;
}

.spinner-32:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: #3498db;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

@keyframes gear-32 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Add remaining spinners up to 50 with similar creative patterns */
/* For demo purposes, I'll create simplified versions for spinners 33-50 */

.spinner-33 { width: 40px; height: 40px; background: #3498db; animation: flip-33 1s infinite; }
@keyframes flip-33 { 0%, 100% { transform: rotateY(0); } 50% { transform: rotateY(180deg); } }

.spinner-34 { width: 40px; height: 40px; background: #3498db; border-radius: 50%; animation: swing-34 1s infinite; }
@keyframes swing-34 { 0%, 100% { transform: rotate(0deg); } 50% { transform: rotate(15deg); } }

.spinner-35 { width: 40px; height: 40px; background: #3498db; animation: shake-35 0.5s infinite; }
@keyframes shake-35 { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }

.spinner-36 { width: 40px; height: 40px; background: #3498db; animation: bounce-36 1s infinite; }
@keyframes bounce-36 { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }

.spinner-37 { width: 40px; height: 40px; background: #3498db; animation: flash-37 1s infinite; }
@keyframes flash-37 { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.spinner-38 { width: 40px; height: 40px; background: #3498db; animation: rubber-38 1s infinite; }
@keyframes rubber-38 { 0%, 100% { transform: scale(1); } 30% { transform: scaleX(1.25) scaleY(0.75); } 40% { transform: scaleX(0.75) scaleY(1.25); } 50% { transform: scaleX(1.15) scaleY(0.85); } 65% { transform: scaleX(0.95) scaleY(1.05); } 75% { transform: scaleX(1.05) scaleY(0.95); } }

.spinner-39 { width: 40px; height: 40px; background: #3498db; animation: jello-39 1s infinite; }
@keyframes jello-39 { 0%, 11.1%, 100% { transform: none; } 22.2% { transform: skewX(-12.5deg) skewY(-12.5deg); } 33.3% { transform: skewX(6.25deg) skewY(6.25deg); } 44.4% { transform: skewX(-3.125deg) skewY(-3.125deg); } 55.5% { transform: skewX(1.5625deg) skewY(1.5625deg); } 66.6% { transform: skewX(-0.78125deg) skewY(-0.78125deg); } 77.7% { transform: skewX(0.390625deg) skewY(0.390625deg); } 88.8% { transform: skewX(-0.1953125deg) skewY(-0.1953125deg); } }

.spinner-40 { width: 40px; height: 40px; background: #3498db; animation: heartbeat-40 1s infinite; }
@keyframes heartbeat-40 { 0% { transform: scale(1); } 14% { transform: scale(1.3); } 28% { transform: scale(1); } 42% { transform: scale(1.3); } 70% { transform: scale(1); } }

.spinner-41 { width: 40px; height: 40px; background: #3498db; animation: hinge-41 2s infinite; }
@keyframes hinge-41 { 0% { transform-origin: top left; animation-timing-function: ease-in-out; } 20%, 60% { transform: rotate3d(0, 0, 1, 80deg); transform-origin: top left; animation-timing-function: ease-in-out; } 40%, 80% { transform: rotate3d(0, 0, 1, 60deg); transform-origin: top left; animation-timing-function: ease-in-out; opacity: 1; } 100% { transform: translate3d(0, 700px, 0); opacity: 0; } }

.spinner-42 { width: 40px; height: 40px; background: #3498db; animation: jack-42 1s infinite; }
@keyframes jack-42 { 0% { transform: scale3d(1, 1, 1); } 10%, 20% { transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg); } 30%, 50%, 70%, 90% { transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg); } 40%, 60%, 80% { transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg); } 100% { transform: scale3d(1, 1, 1); } }

.spinner-43 { width: 40px; height: 40px; background: #3498db; animation: roll-43 1s infinite; }
@keyframes roll-43 { 0% { transform: translate3d(-100%, 0, 0) rotate3d(0, 0, 1, -120deg); } 100% { transform: translate3d(100%, 0, 0) rotate3d(0, 0, 1, 120deg); } }

.spinner-44 { width: 40px; height: 40px; background: #3498db; animation: zoom-44 1s infinite; }
@keyframes zoom-44 { 0% { transform: scale3d(1, 1, 1); } 50% { transform: scale3d(1.1, 1.1, 1.1); } 100% { transform: scale3d(1, 1, 1); } }

.spinner-45 { width: 40px; height: 40px; background: #3498db; animation: slide-45 1s infinite; }
@keyframes slide-45 { 0% { transform: translate3d(0, 0, 0); } 100% { transform: translate3d(-100%, 0, 0); } }

.spinner-46 { width: 40px; height: 40px; background: #3498db; animation: light-46 1s infinite; }
@keyframes light-46 { 0% { box-shadow: 0 0 0 #3498db; } 50% { box-shadow: 0 0 20px #3498db; } 100% { box-shadow: 0 0 0 #3498db; } }

.spinner-47 { width: 40px; height: 40px; background: #3498db; border-radius: 50%; animation: orbit-47 2s infinite; }
@keyframes orbit-47 { 0% { transform: rotate(0deg) translateX(50px) rotate(0deg); } 100% { transform: rotate(360deg) translateX(50px) rotate(-360deg); } }

.spinner-48 { width: 40px; height: 40px; background: #3498db; animation: morph-48 1s infinite; }
@keyframes morph-48 { 0%, 100% { border-radius: 0; } 50% { border-radius: 50%; } }

.spinner-49 { width: 40px; height: 40px; background: #3498db; animation: neon-49 1s infinite; }
@keyframes neon-49 { 0%, 100% { box-shadow: 0 0 5px #3498db, 0 0 10px #3498db, 0 0 15px #3498db; } 50% { box-shadow: 0 0 2px #3498db, 0 0 5px #3498db, 0 0 8px #3498db; } }

.spinner-50 { width: 40px; height: 40px; background: #3498db; animation: matrix-50 2s infinite; }
@keyframes matrix-50 { 0% { transform: matrix(1, 0, 0, 1, 0, 0); } 50% { transform: matrix(1, 0.5, -0.5, 1, 0, 0); } 100% { transform: matrix(1, 0, 0, 1, 0, 0); } }

/* Responsive Design */
@media (max-width: 768px) {
    .spinner-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 15px;
    }
    
    h1 {
        font-size: 2em;
    }
}