:root {
            color-scheme: dark;
            font-family: system-ui, sans-serif;
            background: #0b1220;
            color: #e8edf5;
        }
        body {
            min-height: 100vh;
            margin: 0;
            display: grid;
            place-items: center;
        }
        main {
            width: min(380px, calc(100% - 32px));
            background: #142137;
            border: 1px solid #283950;
            border-radius: 12px;
            padding: 28px;
        }
        h1 { font-size: 24px; }
        label {
            display: block;
            margin-top: 18px;
            margin-bottom: 7px;
        }
        input {
            display: block;
            width: 100%;
            box-sizing: border-box;
            padding: 12px;
            background: #0b1220;
            color: white;
            border: 1px solid #40516a;
            border-radius: 6px;
        }
        button {
            width: 100%;
            padding: 12px;
            margin-top: 24px;
            border: 0;
            border-radius: 6px;
            background: #60a5fa;
            color: #071120;
            font-weight: 700;
            cursor: pointer;
        }