:root {
    --bg: #0f172a;
    --bg-soft: #1e293b;
    --card: #ffffff;
    --ink: #0f172a;
    --muted: #64748b;
    --brand: #0ea5e9;
    --brand-dark: #0369a1;
    --line: #e2e8f0;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #f1f5f9;
    color: var(--ink);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: linear-gradient(120deg, var(--brand-dark), var(--brand));
    padding: 16px 24px;
    box-shadow: 0 2px 10px rgba(2, 32, 71, .15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.nav { display: inline-flex; align-items: center; gap: 18px; }
.nav a { color: #e0f2fe; text-decoration: none; font-size: 15px; }
.nav a:hover { color: #fff; text-decoration: underline; }
.nav .nav-logout { font-weight: 700; }

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    text-decoration: none;
    font-size: 20px;
}
.brand-mark { font-size: 24px; }
.brand-text strong { font-weight: 800; }

.container {
    flex: 1;
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
    padding: 32px 24px;
}

.hero h1 { margin: 0 0 6px; font-size: 28px; }
.hero p { margin: 0 0 24px; color: var(--muted); }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
}

.card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px;
    text-decoration: none;
    color: var(--ink);
    transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}
.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(2, 32, 71, .12);
    border-color: var(--brand);
}
.card-icon { font-size: 34px; }
.card-body h2 { margin: 0 0 4px; font-size: 18px; }
.card-body p { margin: 0; color: var(--muted); font-size: 14px; }
.card-arrow { margin-left: auto; color: var(--brand); font-size: 22px; }

.breadcrumb { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.breadcrumb a { color: var(--brand-dark); text-decoration: none; }

.form {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 24px;
    max-width: 480px;
}

.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; }
.field input {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 9px;
    font-size: 15px;
}
.field input:focus { outline: 2px solid var(--brand); border-color: var(--brand); }
.field small { display: block; color: var(--muted); margin-top: 5px; }

.advanced {
    border: 1px dashed var(--line);
    border-radius: 9px;
    padding: 12px 14px;
    margin-bottom: 18px;
}
.advanced summary { cursor: pointer; font-weight: 600; color: var(--muted); }
.advanced .field:first-of-type { margin-top: 14px; }

.btn {
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 13px 22px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
}
.btn:hover { background: var(--brand-dark); }
.btn-sm { width: auto; padding: 9px 16px; font-size: 14px; }
.btn-ghost { background: #fff; color: var(--brand-dark); border: 1px solid var(--line); }
.btn-ghost:hover { background: #f8fafc; }
.btn-danger { background: #ef4444; }
.btn-danger:hover { background: #b91c1c; }

.link { color: var(--brand-dark); }

/* Alertas */
.alert { border-radius: 10px; padding: 12px 14px; margin-bottom: 18px; font-size: 14px; }
.alert-ok { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.alert-erro { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* Login */
.login-wrap { max-width: 380px; margin: 6vh auto 0; }
.login-form h1 { margin: 0 0 4px; }
.login-sub { color: var(--muted); margin: 0 0 18px; }

/* Checkboxes / permissões */
.field-label { display: block; font-weight: 600; margin-bottom: 8px; }
.checks { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.check { display: flex; align-items: center; gap: 8px; font-size: 15px; cursor: pointer; }
.check input { width: 16px; height: 16px; }
.hint { color: var(--muted); font-size: 13px; margin: 4px 0 10px; }

/* Lista de usuários */
.users { display: flex; flex-direction: column; gap: 16px; }
.user-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 20px;
}
.user-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.user-head strong { font-size: 17px; }
.badge {
    display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: 999px;
    background: var(--brand); color: #fff; font-size: 11px; font-weight: 700; vertical-align: middle;
}
.badge-you { background: #64748b; }
.user-perms { border-top: 1px dashed var(--line); padding-top: 14px; }
.user-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; border-top: 1px dashed var(--line); padding-top: 14px; }
.inline-form { display: flex; gap: 8px; align-items: center; }
.inline-form input {
    padding: 9px 12px; border: 1px solid var(--line); border-radius: 9px; font-size: 14px;
}

.footer {
    text-align: center;
    padding: 18px;
    color: var(--muted);
    font-size: 13px;
}