:root {
    --color-bg: #f4f6f8;
    --color-surface: #ffffff;
    --color-primary: #1f4e79;
    --color-primary-dark: #16375a;
    --color-text: #1f2937;
    --color-muted: #6b7280;
    --color-border: #dfe3e8;
    --color-danger: #b3261e;
    --color-danger-bg: #fdecea;
    --color-success: #1e6b3d;
    --color-success-bg: #eaf7ef;
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

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

a {
    color: var(--color-primary);
}

.page {
    display: block;
}

/* Barra superior (páginas autenticadas) */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-primary);
    color: #fff;
    padding: 0.75rem 1.5rem;
}

.topbar-brand {
    font-weight: 600;
    font-size: 1.1rem;
}

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.topbar-nav a {
    color: #fff;
    text-decoration: none;
    opacity: 0.9;
}

.topbar-nav a:hover {
    opacity: 1;
    text-decoration: underline;
}

.topbar-user {
    opacity: 0.85;
    font-size: 0.9rem;
}

/* Tela de login / auth centralizada */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.auth-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 2.5rem;
    width: 100%;
    max-width: 380px;
}

.auth-card h1 {
    margin: 0 0 0.25rem;
    font-size: 1.4rem;
    text-align: center;
    color: var(--color-primary-dark);
}

.auth-subtitle {
    text-align: center;
    color: var(--color-muted);
    margin: 0 0 1.75rem;
    font-size: 0.9rem;
}

.container {
    max-width: 960px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.card h2 {
    margin-top: 0;
    font-size: 1.15rem;
    color: var(--color-primary-dark);
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: var(--color-text);
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.6rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

input:focus,
select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

select {
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    width: 100%;
    background: #fff;
}

button, .btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: 0.65rem 1.2rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

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

button.btn-secondary, .btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

button.btn-secondary:hover, .btn-secondary:hover {
    background: rgba(31, 78, 121, 0.08);
}

button.btn-danger {
    background: var(--color-danger);
}

button.btn-danger:hover {
    background: #8f1f19;
}

.btn-full {
    width: 100%;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.alert-error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid rgba(179, 38, 30, 0.25);
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(30, 107, 61, 0.25);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

th, td {
    text-align: left;
    padding: 0.6rem 0.7rem;
    border-bottom: 1px solid var(--color-border);
}

th {
    color: var(--color-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-admin {
    background: #eaf1fb;
    color: var(--color-primary-dark);
}

.badge-user {
    background: #f0f1f3;
    color: var(--color-muted);
}

.badge-inactive {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

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

.actions-cell form {
    display: inline;
}

.actions-cell button {
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-row > div {
    flex: 1;
    min-width: 200px;
}

.muted {
    color: var(--color-muted);
    font-size: 0.85rem;
}

code {
    background: #f0f1f3;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.95em;
}