* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #eef4ff;
    --panel: #ffffff;
    --ink: #0a214a;
    --muted: #5c6b82;
    --blue: #0969ff;
    --blue-dark: #0754cc;
    --line: #d8e4f5;
    --red: #c2413b;
}

body {
    min-height: 100vh;
    background: radial-gradient(circle at top, #ffffff 0, var(--bg) 42%);
    color: var(--ink);
    font-family: "Segoe UI", Arial, sans-serif;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
}

.login-card {
    width: min(100%, 420px);
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--panel);
    padding: 24px;
    box-shadow: 0 18px 42px rgba(15, 52, 110, .13);
}

.logo {
    width: 100%;
    max-height: 210px;
    object-fit: contain;
    border-radius: 16px;
    background: #ffffff;
}

h1 {
    margin-top: 18px;
    color: var(--blue);
    text-align: center;
    font-size: 38px;
    line-height: 1;
    font-weight: 900;
}

p {
    margin-top: 8px;
    color: var(--muted);
    text-align: center;
    font-size: 17px;
}

.login-form {
    display: grid;
    gap: 14px;
    margin-top: 24px;
}

label {
    display: grid;
    gap: 7px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 800;
}

input {
    width: 100%;
    min-height: 52px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fbfdff;
    color: var(--ink);
    padding: 12px 14px;
    font: inherit;
    font-size: 17px;
}

input:focus {
    border-color: var(--blue);
    outline: 3px solid rgba(9, 105, 255, .14);
}

button {
    min-height: 54px;
    border: 0;
    border-radius: 14px;
    background: var(--blue);
    color: #ffffff;
    cursor: pointer;
    font: inherit;
    font-size: 18px;
    font-weight: 900;
}

button:hover {
    background: var(--blue-dark);
}

button:disabled {
    background: #8db8ff;
    cursor: default;
}

.notice {
    border-radius: 14px;
    background: #fff0ef;
    color: var(--red);
    padding: 12px;
    font-size: 14px;
    font-weight: 800;
}

@media (max-width: 420px) {
    .login-page {
        padding: 12px;
    }

    .login-card {
        padding: 16px;
    }

    .logo {
        max-height: 170px;
    }

    h1 {
        font-size: 30px;
        margin-top: 14px;
    }

    p {
        font-size: 15px;
    }

    input {
        min-height: 48px;
        font-size: 15px;
    }

    button {
        min-height: 50px;
        font-size: 16px;
    }
}