@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', sans-serif;
    min-height: 100vh;

    background:
        radial-gradient(circle at top left, #22c55e22, transparent 30%),
        radial-gradient(circle at bottom right, #06b6d422, transparent 30%),
        #050816;

    color: white;

    display: flex;
    justify-content: center;
    align-items: center;

    overflow-x: hidden;
    padding: 18px;
}

.container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 2;
}

h1 {
    font-size: 3rem;
    line-height: 1;
    font-weight: 800;
    text-align: center;

    background: linear-gradient(90deg,
            #22c55e,
            #06b6d4);

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    margin-bottom: 14px;
}

.subtitle {
    text-align: center;
    color: #94a3b8;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 35px;
}

.setup {
    background: rgba(255, 255, 255, 0.05);

    border: 1px solid rgba(255, 255, 255, 0.08);

    backdrop-filter: blur(20px);

    padding: 18px;

    border-radius: 28px;

    margin-bottom: 25px;

    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.4);
}

input {
    width: 100%;

    background: #0f172a;

    border: none;
    outline: none;

    color: white;

    padding: 18px;

    border-radius: 18px;

    font-size: 16px;

    margin-bottom: 15px;

    border: 1px solid rgba(255, 255, 255, 0.08);
}

button {
    width: 100%;

    border: none;
    outline: none;

    padding: 18px;

    border-radius: 18px;

    background: linear-gradient(135deg,
            #22c55e,
            #06b6d4);

    color: white;

    font-size: 16px;
    font-weight: 700;

    cursor: pointer;

    transition: 0.25s ease;

    box-shadow:
        0 10px 30px rgba(34, 197, 94, 0.35);
}

button:active {
    transform: scale(0.97);
}

.timer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.card {
    position: relative;

    overflow: hidden;

    background: rgba(255, 255, 255, 0.05);

    border: 1px solid rgba(255, 255, 255, 0.08);

    backdrop-filter: blur(20px);

    border-radius: 28px;

    padding: 28px 20px;

    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.35);
}

.card::before {
    content: '';

    position: absolute;

    width: 200%;
    height: 200%;

    top: -50%;
    left: -50%;

    transform: rotate(25deg);

    background:
        linear-gradient(45deg,
            transparent,
            rgba(255, 255, 255, 0.03),
            transparent);
}

.card span {
    display: block;

    font-size: 3rem;
    font-weight: 800;

    margin-bottom: 8px;

    background: linear-gradient(135deg,
            #22c55e,
            #06b6d4);

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card p {
    color: #94a3b8;

    font-size: 13px;

    text-transform: uppercase;

    letter-spacing: 1px;

    font-weight: 600;
}

#message {
    margin-top: 28px;

    background: rgba(255, 255, 255, 0.05);

    border: 1px solid rgba(255, 255, 255, 0.08);

    backdrop-filter: blur(20px);

    padding: 20px;

    border-radius: 24px;

    text-align: center;

    color: #cbd5e1;

    line-height: 1.6;

    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.35);
}

.quote {
    margin-top: 22px;

    text-align: center;

    color: #64748b;

    font-size: 13px;

    line-height: 1.7;
}

.glow {
    position: fixed;

    width: 250px;
    height: 250px;

    border-radius: 50%;

    filter: blur(80px);

    z-index: 1;
}

.glow1 {
    background: #22c55e33;

    top: -100px;
    left: -100px;
}

.glow2 {
    background: #06b6d433;

    bottom: -100px;
    right: -100px;
}

@media(max-width:480px) {

    h1 {
        font-size: 2.5rem;
    }

    .card {
        padding: 24px 16px;
    }

    .card span {
        font-size: 2.4rem;
    }

}