:root {
    --bg: #f5f7fb;
    --bg-card: #ffffff;
    --primary: #1c4e8a;
    --primary-soft: #e2ebf8;
    --border-soft: #d3d8e4;
    --text: #1f2933;
    --muted: #6b7280;
    --radius: 10px;
}

* {
    box-sizing: border-box;
}

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

header {
    background: var(--primary);
    color: #fff;
    padding: 16px 24px;
}

header h1 {
    margin: 0;
    font-size: 1.6rem;
}

header p {
    margin: 6px 0 0;
    font-size: 0.95rem;
    opacity: 0.9;
}

.top-bar {
    background: #fff;
    padding: 10px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    border-bottom: 1px solid var(--border-soft);
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-bar label {
    font-size: 0.9rem;
    margin-right: 6px;
}

.top-bar input {
    padding: 6px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-soft);
    min-width: 120px;
}

.top-bar button {
    padding: 6px 12px;
    border-radius: 6px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
}

.top-bar button:hover {
    opacity: 0.9;
}

.layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 16px;
    padding: 16px 24px 24px;
}

@media (max-width: 900px) {
    .layout {
        grid-template-columns: 1fr;
    }
}

aside {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
    padding: 12px 14px;
    position: sticky;
    top: 64px;
    align-self: flex-start;
}

aside h2 {
    font-size: 1rem;
    margin: 0 0 8px;
}

aside ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

aside li {
    margin-bottom: 4px;
}

aside a {
    text-decoration: none;
    color: var(--primary);
}

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

main {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.grupo {
    background: var(--primary-soft);
    border-radius: var(--radius);
    padding: 12px 14px;
    border: 1px solid var(--border-soft);
}

.grupo h2 {
    margin: 0 0 4px;
    font-size: 1.1rem;
}

.grupo small {
    color: var(--muted);
}

.itens {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.item {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 10px 12px;
    border: 1px solid var(--border-soft);
}

.item.hidden {
    display: none;
}

.item-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 6px;
    align-items: center;
}

.item-id {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--primary);
}

.item-dimensao {
    font-size: 0.82rem;
    color: var(--muted);
}

.item-descricao {
    margin: 4px 0;
    font-size: 0.9rem;
}

.item-evidencias {
    margin: 4px 0 0;
    padding-left: 16px;
    font-size: 0.85rem;
}

.item-evidencias li a {
    color: var(--primary);
}

.item-evidencias li a:hover {
    text-decoration: underline;
}