:root {
    --sa-primaria: #6C63FF;
    --sa-fundo: #f4f5f7;
    --sa-borda: #e2e4e8;
    --sa-texto: #1a1a1a;
    --sa-sidebar: #14142b;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, sans-serif;
    color: var(--sa-texto);
    background: var(--sa-fundo);
}

a { color: var(--sa-primaria); text-decoration: none; }

.sa-layout { display: flex; min-height: 100vh; }

.sa-sidebar {
    width: 240px;
    background: var(--sa-sidebar);
    color: #fff;
    padding: 20px 0;
    flex-shrink: 0;
}
.sa-brand { font-weight: 800; padding: 0 20px 20px; font-size: 1.1rem; }
.sa-brand span { display: block; font-weight: 400; font-size: .75rem; color: #9a95ff; text-transform: uppercase; letter-spacing: .05em; }
.sa-sidebar nav { display: flex; flex-direction: column; }
.sa-sidebar nav a {
    color: #cfd2dc;
    padding: 12px 20px;
    display: flex;
    gap: 10px;
    align-items: center;
}
.sa-sidebar nav a:hover, .sa-sidebar nav a.active {
    background: rgba(255,255,255,.08);
    color: #fff;
}
.sa-logout { margin-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }

.sa-content { flex: 1; padding: 32px; }

.sa-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 20px 0 32px;
}
.sa-stat-card {
    background: #fff;
    border: 1px solid var(--sa-borda);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.sa-stat-card.sa-stat-alert { border-color: #e67e22; }
.sa-stat-label { font-size: .85rem; color: #777; }
.sa-stat-value { font-size: 1.6rem; font-weight: 800; }

.sa-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--sa-borda);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 32px;
}
.sa-table th, .sa-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--sa-borda);
    font-size: .9rem;
}
.sa-table th { background: #fafafa; font-weight: 700; }

.sa-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 700;
    background: #eee;
}
.sa-badge-ativo { background: #d4f8e8; color: #16794f; }
.sa-badge-trial { background: #fff3cd; color: #8a6500; }
.sa-badge-suspenso { background: #fdecea; color: #b3261e; }

.sa-form {
    background: #fff;
    border: 1px solid var(--sa-borda);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 32px;
    max-width: 800px;
}
.sa-form label {
    display: block;
    margin-bottom: 14px;
    font-size: .9rem;
    font-weight: 600;
    flex: 1;
}
.sa-form input, .sa-form select {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--sa-borda);
    margin-top: 4px;
    font-size: 1rem;
    font-weight: 400;
}
.sa-form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.sa-form-row > label { min-width: 200px; }
.sa-tenant-meta { color: #777; margin-top: -10px; margin-bottom: 20px; }

.btn {
    display: inline-block;
    padding: 10px 18px;
    border: none;
    border-radius: 8px;
    background: var(--sa-primaria);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}
.btn-secondary { background: #888; margin-left: 8px; }
.btn-block { display: block; width: 100%; }

.sa-erro { color: #b3261e; font-weight: 600; }
.sa-sucesso { color: #16794f; font-weight: 600; }

.sa-login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--sa-sidebar);
}
.sa-login-form {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    width: 100%;
    max-width: 360px;
}
.sa-login-form h1 { margin: 0 0 4px; font-size: 1.3rem; }
.sa-login-subtitle { color: #777; margin: 0 0 24px; }
.sa-login-form label { display: block; margin-bottom: 16px; font-size: .9rem; font-weight: 600; }
.sa-login-form input {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--sa-borda);
    margin-top: 4px;
    font-size: 1rem;
    font-weight: 400;
}