:root {
    --bg: #f6f8fb;
    --surface: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --border: #e2e8f0;

    --primary: #0b4f8a;
    /* azul institucional */
    --primary-2: #083b68;
    --accent: #0ea5e9;
    /* destaque */
    --danger: #b91c1c;

    --radius: 14px;
    --shadow: 0 8px 24px rgba(15, 23, 42, .08);
    --container: 1100px;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

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

/* Layout */
.container {
    width: min(var(--container), calc(100% - 32px));
    margin: 0 auto;
}

main {
    padding: 18px 0 28px;
}

/* Header */
.site-header {
    background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.brand img {
    width: 56px;
    height: 56px;
    object-fit: contain;
}

.brand h1 {
    font-size: 18px;
    line-height: 1.2;
    margin: 0;
}

.brand p {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 999px;
    font-size: 12px;
    color: var(--muted);
}

/* Nav */
.navbar {
    background: var(--primary);
    color: #fff;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
}

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

.nav-links a {
    color: #fff;
    text-decoration: none;
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, .14);
}

.nav-toggle {
    display: none;
}

.nav-toggle summary {
    list-style: none;
    cursor: pointer;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, .25);
}

.nav-toggle summary::-webkit-details-marker {
    display: none;
}

.nav-toggle summary:hover {
    background: rgba(255, 255, 255, .14);
}

.nav-mobile {
    display: none;
    padding: 10px 0 14px;
    border-top: 1px solid rgba(255, 255, 255, .18);
}

.nav-mobile a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 10px;
}

.nav-mobile a:hover {
    background: rgba(255, 255, 255, .14);
}

/* Components */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card-body {
    padding: 16px;
}

.card-title {
    margin: 0 0 10px;
    font-size: 18px;
}

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

.grid {
    display: grid;
    gap: 14px;
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 920px) {
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

/* Form */
.form {
    display: grid;
    gap: 12px;
}

.field label {
    display: block;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 6px;
}

.input {
    width: 100%;
    padding: 12px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 15px;
    outline: none;
    background: #fff;
}

.input:focus {
    border-color: rgba(14, 165, 233, .55);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, .16);
}

.actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 14px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-2);
}

.btn-light {
    background: #fff;
    border-color: var(--border);
    color: var(--text);
}

.alert {
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fff;
}

.alert-danger {
    border-color: rgba(185, 28, 28, .28);
    background: rgba(185, 28, 28, .06);
    color: var(--danger);
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 14px 0 22px;
    color: var(--muted);
    font-size: 13px;
}

/* Mobile nav behavior */
@media (max-width: 720px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    details[open] .nav-mobile {
        display: block;
    }
}

/* Print */
@media print {
    .no-print {
        display: none !important;
    }

    body {
        background: #fff;
    }

    .card {
        box-shadow: none;
    }
}