:root {
    --primary: #0D1B2A;
    --bg: #FFFFFF;
    --text: #1F2937;
    --border: #E5E7EB;
    --gray-light: #F9FAFB;

    --status-ok-bg: #DCFCE7;
    --status-ok-text: #166534;
    --status-redirect-bg: #FFEDD5;
    --status-redirect-text: #9A3412;
    --status-bad-request-bg: #FEE2E2;
    --status-bad-request-text: #991B1B;
    --status-server-error-bg: #F3E8FF;
    --status-server-error-text: #6B21A8;
}

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

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    display: flex;
    justify-content: center;
    padding: 4rem 2rem;
}

main {
    width: 100%;
    max-width: 800px;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--primary);
    margin-bottom: 2.5rem;
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 3rem;
}

input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--gray-light);
    transition: all 0.2s ease;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(13, 27, 42, 0.05);
}

button {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    background-color: var(--primary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

button:hover {
    opacity: 0.9;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media (max-width: 640px) {
    h1 {
        font-size: 1.75rem;
    }

    body {
        padding: 2rem 1rem;
    }

}