:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --danger: #dc2626;
    --danger-dark: #b91c1c;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e5e7eb;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 1rem;
}

.navbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-start {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.btn-back {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.35rem 0.75rem;
}

.btn-back:hover {
    background: var(--border);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.95rem;
}

.nav-links a:hover { color: var(--primary); }

.hero {
    text-align: center;
    padding: 3rem 1rem;
}

.hero h1 { font-size: 2rem; margin-bottom: 0.5rem; }

.actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}

.btn:hover { background: var(--primary-dark); }

.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover { background: var(--border); }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: var(--danger-dark); }

.btn-small { padding: 0.25rem 0.5rem; font-size: 0.85rem; }

.form-group { margin-bottom: 1rem; }

.form-group label { display: block; margin-bottom: 0.25rem; font-weight: 500; }

.input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    font-size: 0.95rem;
}

.textarea { font-family: monospace; min-height: 300px; }

.checkbox input { margin-right: 0.5rem; }

.search-form {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
}

.search-form .input { flex: 1; }

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border-radius: 0.375rem;
    overflow: hidden;
}

.table th, .table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.table th { background: var(--bg); font-weight: 600; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1rem;
}

.card h3 { margin: 0 0 0.25rem; font-size: 1.1rem; }

.card h3 a { color: var(--text); text-decoration: none; }

.card h3 a:hover { color: var(--primary); }

.meta { color: var(--muted); font-size: 0.85rem; margin: 0 0 0.75rem; }

.card-actions { display: flex; gap: 0.5rem; }

.inline { display: inline; }

.flash-messages { margin-bottom: 1rem; }

.alert {
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
}

.alert-success { background: #dcfce7; color: #166534; }
.alert-danger { background: #fee2e2; color: #991b1b; }
.alert-warning { background: #fef3c7; color: #92400e; }
.alert-info { background: #dbeafe; color: #1e40af; }

.summary-detail header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.summary-detail h1 { margin-bottom: 0.5rem; }

.markdown-body {
    background: var(--card);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
}

.markdown-body h1, .markdown-body h2, .markdown-body h3 { margin-top: 0; }

.markdown-body pre {
    background: #1f2937;
    color: #f3f4f6;
    padding: 1rem;
    border-radius: 0.375rem;
    overflow-x: auto;
}

.markdown-body code {
    background: #f3f4f6;
    padding: 0.1rem 0.3rem;
    border-radius: 0.25rem;
}

.markdown-body pre code { background: transparent; padding: 0; }

.markdown-body blockquote {
    border-left: 4px solid var(--primary);
    margin-left: 0;
    padding-left: 1rem;
    color: var(--muted);
}