:root {
    --login-page-background: #cbd5e1;
    --login-card-background: #ffffff;
    --login-card-border: #e5e5e5;
    --login-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --login-button-background: #000000;
    --login-button-text: #ffffff;
    --login-text: #000000;
    --login-font-family: "Inter", "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--login-font-family);
    color: var(--login-text);
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--login-page-background);
}

.login-card {
    width: min(100%, 745px);
    min-height: 408px;
    padding: 72px 32px;
    border: 1px solid var(--login-card-border);
    border-radius: 30px;
    background: var(--login-card-background);
    box-shadow: var(--login-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 84px;
}

.login-feedback {
    margin: -40px 0 0;
    text-align: center;
    font-size: 1rem;
    line-height: 1.5;
    color: #475569;
}

.login-title {
    margin: 0;
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.25rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.login-button {
    width: min(100%, 453px);
    min-height: 79px;
    border: 0;
    border-radius: 16px;
    background: var(--login-button-background);
    color: var(--login-button-text);
    font: inherit;
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.login-button:hover,
.login-button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.login-button:focus-visible {
    outline: 3px solid rgba(0, 0, 0, 0.2);
    outline-offset: 4px;
}

@media (max-width: 768px) {
    .login-page {
        padding: 20px;
    }

    .login-card {
        min-height: 360px;
        padding: 48px 24px;
        gap: 56px;
    }

    .login-button {
        min-height: 72px;
    }
}