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

body {
    font-family: monospace;
    font-size: 18px;
    background: #f0f0f0;
    color: #37474f;
    min-height: 100vh;
}

header {
    background: #37474f;
    color: white;
    padding: 16px 32px;
    font-size: 1.1em;
    letter-spacing: 0.05em;
}

header a,
header a:visited {
    color: white;
    text-decoration: none;
}

header a:hover {
    text-decoration: underline;
}

main {
    padding: 40px 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.page-title {
    font-size: 1.4em;
    color: #37474f;
    margin-bottom: 8px;
}

.page-subtitle {
    font-size: 0.9em;
    color: #78909c;
    margin-bottom: 40px;
}

.back-link {
    display: inline-block;
    font-size: 0.85em;
    color: #78909c;
    text-decoration: none;
    margin-bottom: 32px;
}

.back-link:hover {
    color: #37474f;
}

.form-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
}

.form-header .icon {
    font-size: 2.8em;
    line-height: 1;
}

.form-header h1 {
    font-size: 1.3em;
    margin-bottom: 6px;
}

.form-header p {
    font-size: 0.85em;
    color: #78909c;
}

.error-page {
    padding: 40px 0;
}

.error-code {
    font-size: 1.1em;
    font-weight: bold;
    color: #c62828;
    margin-bottom: 16px;
}

.error-message {
    font-size: 1em;
    color: #37474f;
    margin-bottom: 32px;
}