/*
* Distance Unit Converter
* A simple and elegant distance unit converter.
* Author: Aditya Chauhan
* Website: https://cloudxtech.io/
*/

:root {
    --card-bg: rgba(255, 255, 255, 0.08);
    --card-border: rgba(255, 255, 255, 0.2);
    --field-bg: rgba(255, 255, 255, 0.14);
    --field-border: rgba(255, 255, 255, 0.3);
    --text: #fff;
    --muted: #dbeafe;
}
/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox */
input[type="number"] {
    -moz-appearance: textfield;
}
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ec4899, #8b5cf6, #06b6d4, #22c55e);
    background-size: 400% 400%;
    animation: bgShift 20s ease infinite;
    font-family:
        system-ui,
        -apple-system,
        Segoe UI,
        Roboto,
        Inter,
        sans-serif;
    color: var(--text);
}
@keyframes bgShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.card {
    width: min(92vw, 700px);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px) saturate(140%);
    border-radius: 26px;
    padding: 28px;
    box-shadow: 0 14px 48px rgba(0, 0, 0, 0.45);
    text-align: center;
}
.title {
    font-weight: 900;
    font-size: clamp(20px, 3vw, 30px);
    margin-bottom: 10px;
}
.subtitle {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 20px;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 60px 1fr;
    gap: 14px;
    align-items: center;
}

.field {
    background: var(--field-bg);
    border: 1px solid var(--field-border);
    border-radius: 16px;
    padding: 14px 16px;
}
.input {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text);
    font-size: clamp(22px, 5vw, 32px);
    font-weight: 800;
}
.input::placeholder {
    color: var(--text);
}
select {
    margin-top: 10px;
    width: 100%;
    border: none;
    border-radius: 10px;
    padding: 8px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.2);
    color: var(--text);
}
select:focus {
    outline: none;
}

select option{
    color:#000
}

.equals {
    font-size: 28px;
    font-weight: 900;
    color: var(--muted);
}

.footer {
    margin-top: 18px;
    font-size: 12px;
    color: var(--muted);
}

/* Focus visibility */
:focus-visible {
    outline: none;
    outline-offset: 2px;
    border-radius: 10px;
}