HoldTheButton/styles.css

/* reset some default browser styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* main page styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0f172a;
    position: relative;
    overflow: hidden;
}

/* particles container */
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    opacity: 0.3;
}

/* center everything */
.container {
    text-align: center;
    padding: 2rem;
    position: relative;
    z-index: 2;
    max-width: 800px;
    width: 90%;
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* make the title look nice and fade in */
.title {
    font-size: 4rem;
    margin-bottom: 2rem;
    color: #fff;
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
    letter-spacing: -0.02em;
}

/* message container styling */
.message-container {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.message {
    font-size: 1.5rem;
    color: #e2e8f0;
    display: inline-block;
    transition: all 0.3s ease;
    font-weight: 500;
}

/* timer container styling */
.timer-container {
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.timer {
    font-size: 4rem;
    font-weight: 700;
    color: #60a5fa;
    text-shadow: 0 0 20px rgba(96, 165, 250, 0.3);
    font-variant-numeric: tabular-nums;
}

/* hold button styling */
.hold-button {
    background: linear-gradient(135deg, #60a5fa, #c084fc);
    border: none;
    padding: 2rem 4rem;
    font-size: 2rem;
    color: white;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 0 30px rgba(96, 165, 250, 0.3);
    margin-bottom: 2rem;
    width: 100%;
    max-width: 400px;
    position: relative;
    overflow: hidden;
}

.hold-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #c084fc, #60a5fa);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.hold-button:hover::before {
    opacity: 1;
}

.hold-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(96, 165, 250, 0.4);
}

.hold-button:active {
    transform: translateY(0);
    box-shadow: 0 0 20px rgba(96, 165, 250, 0.2);
}

.hold-button span {
    position: relative;
    z-index: 2;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* result container styling */
.result-container {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.result-container.show {
    opacity: 1;
    transform: translateY(0);
}

.result {
    font-size: 1.5rem;
    color: #e2e8f0;
    font-weight: 500;
}

/* footer styling */
.footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.website {
    color: #94a3b8;
    font-size: 1rem;
    font-weight: 500;
}

/* fade in animation for the title */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* message change animation */
@keyframes messageChange {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.5;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.message.changed {
    animation: messageChange 0.3s ease;
}