* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    background: #f4f6f9;
    color: #111827;
}

.auth-page {
    min-height: 100vh;

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

    padding: 24px;
}

.auth-card {
    width: 100%;
    max-width: 420px;

    padding: 40px;

    background: #ffffff;

    border: 1px solid #e5e7eb;
    border-radius: 20px;

    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.08);
}

.auth-logo {
    font-size: 24px;
    font-weight: 800;

    text-align: center;
    letter-spacing: -0.5px;
}

.auth-subtitle {
    margin-top: 8px;

    text-align: center;

    font-size: 14px;
    color: #6b7280;
}

.auth-card h1 {
    margin: 32px 0 24px;

    font-size: 26px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;

    margin-bottom: 8px;

    font-size: 14px;
    font-weight: 600;
}

.form-group input {
    width: 100%;

    padding: 13px 14px;

    border: 1px solid #d1d5db;
    border-radius: 10px;

    outline: none;

    font-size: 15px;

    transition: border-color 0.2s,
                box-shadow 0.2s;
}

.form-group input:focus {
    border-color: #111827;

    box-shadow:
        0 0 0 3px rgba(17, 24, 39, 0.08);
}

.login-button {
    width: 100%;

    padding: 14px;

    border: none;
    border-radius: 10px;

    background: #111827;
    color: #ffffff;

    font-size: 15px;
    font-weight: 700;

    cursor: pointer;

    transition: opacity 0.2s;
}

.login-button:hover {
    opacity: 0.9;
}

.auth-error {
    margin-bottom: 20px;

    padding: 12px 14px;

    border-radius: 10px;

    background: #fef2f2;
    color: #b91c1c;

    font-size: 14px;
}