:root {
    --bg-color: #f4f6f9;
    --card-bg: #ffffff;
    --primary: #1e293b;
    --accent: #2563eb;
    --text: #334155;
    --danger: #dc2626;
    --border: #e2e8f0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text);
    min-height: 100vh;
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}

.container-narrow {
    max-width: 500px;
    margin-top: 40px;
}

.header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

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

.nav-links {
    display: flex;
    gap: 10px;
}

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-card, .card-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}

.form-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.col-3 { flex: 1 1 20%; }
.col-4 { flex: 1 1 30%; }
.col-5 { flex: 1 1 40%; }

.btn-primary, .btn-action, .btn-secondary, .btn-danger {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary { background: var(--accent); color: white; width: 100%; }
.btn-action { background: var(--primary); color: white; }
.btn-secondary { background: #cbd5e1; color: var(--text); }
.btn-danger { background: var(--danger); color: white; }

.form-actions {
    display: flex;
    gap: 10px;
}

/* Tree Menu */
.tree-menu {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tree-item {
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.tree-header {
    padding: 12px 16px;
    font-size: 1rem;
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s ease;
}

.tree-header:hover { background-color: #f8fafc; }
.tree-body { padding: 12px 16px; border-top: 1px solid #f1f5f9; }

.level-ano > .tree-header { background-color: #1e293b; color: #ffffff; font-size: 1.15rem; }
.level-ano > .tree-header:hover { background-color: #334155; }
.level-uf > .tree-header { background-color: #e2e8f0; color: #0f172a; font-weight: 600; }
.level-cidade > .tree-header { background-color: #f1f5f9; color: #334155; }

.badge {
    margin-left: auto;
    font-size: 0.75rem;
    background: #cbd5e1;
    color: #1e293b;
    padding: 2px 8px;
    border-radius: 12px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
    margin-top: 10px;
}

.gallery-card {
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.gallery-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.card-caption {
    padding: 8px 12px;
    font-size: 0.85rem;
    color: #1e293b;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.empty-msg {
    text-align: center;
    color: #64748b;
    margin-top: 40px;
}