@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --bg-main: #f9fafb;
    --bg-card: #ffffff;
    --border: #e5e7eb;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-main);
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 40px;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border);
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-main);
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
    padding-bottom: 4px;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.5rem;
}

p, li {
    color: var(--text-muted);
    font-size: 1.1rem;
}

ul {
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

.last-updated {
    font-style: italic;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.btn-delete {
    background-color: #dc2626;
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 20px;
    transition: background-color 0.2s;
}

.btn-delete:hover {
    background-color: #b91c1c;
}

.warning-box {
    background-color: #fef2f2;
    border-left: 4px solid #dc2626;
    padding: 1rem;
    margin: 1.5rem 0;
}

@media (max-width: 640px) {
    .container {
        margin: 20px;
        padding: 20px;
    }
    h1 {
        font-size: 1.75rem;
    }
}