body {
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(120deg, #232946 0%, #1a1a2e 100%);
    color: #eaeaea;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: auto;
    position: relative;
}

.container {
    text-align: center;
    background: #232946;
    padding: 40px 32px;
    border-radius: 24px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.30);
    position: relative;
    z-index: 1;
    border: 1px solid #393e46;
    animation: none;
    backdrop-filter: blur(0px);
    max-width: 400px;
    width: 100%;
    margin: 0 16px;
    transition: box-shadow 0.3s, border-color 0.3s;
}
.container:hover {
    box-shadow: 0 8px 40px rgba(0,0,0,0.40);
    border-color: #00b894;
}

input {
    padding: 14px 16px;
    border-radius: 12px;
    border: 1.5px solid #00b894;
    font-size: 17px;
    margin: 24px 0;
    background: #16161a;
    color: #eaeaea;
    box-shadow: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    width: 100%;
    max-width: 320px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
input:focus {
    border-color: #0984e3;
    outline: none;
    box-shadow: 0 2px 8px #0984e344;
}


/* Error message styling */
#result {
    font-size: 18px;
    margin-top: 18px;
    color: #ff7675;
    font-weight: 500;
    text-shadow: none;
    letter-spacing: 0.5px;
}

/* Age result layout */
.result-cards {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 28px;
    flex-wrap: wrap;
    width: 100%;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}
.result-card {
    background: #16161a;
    border-radius: 16px;
    padding: 18px 12px 12px 12px;
    min-width: 70px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.18);
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1.5px solid #232946;
    transition: box-shadow 0.2s, border-color 0.2s;
    margin-bottom: 10px;
}
.result-card-years {
    border-color: #0984e3;
}
.result-card-months {
    border-color: #e17055;
}
.result-card-days {
    border-color: #00b894;
}
.result-card-minutes {
     border-color: #fdcb6e;
}
.result-card-seconds {
     border-color: #d63031;
}
.result-card-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: #eaeaea;
    margin-bottom: 2px;
}
.result-card-label {
    font-size: 1rem;
    color: #b2bec3;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Calculate button styling */

/* Calendar and formatted age display */
.calendar-age {
    display: none;
}

/* Responsive for mobile */
@media (max-width: 500px) {
    .container {
        padding: 24px 8px;
        border-radius: 16px;
        max-width: 98vw;
    }
    input {
        font-size: 16px;
        padding: 12px 10px;
    }
    #result {
        font-size: 16px;
    }
    .result-cards {
        gap: 6px;
        margin-top: 14px;
        max-width: 98vw;
    }
    .result-card {
        padding: 10px 2px 6px 2px;
        min-width: 45px;
        border-radius: 8px;
    }
    .result-card-value {
        font-size: 1rem;
    }
    .result-card-label {
        font-size: 0.8rem;
    }
    .calendar-age {
        font-size: 0.95rem;
        padding: 10px 4px;
    }
}