:root {
    --marinho: #002347;
    --azul-claro: #00509D;
    --branco: #FFFFFF;
    --cinza: #f4f7f6;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body { font-family: 'Segoe UI', sans-serif; background-color: var(--cinza); color: #333; }

/* Login e Modais */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--marinho); display: flex; justify-content: center; align-items: center; z-index: 2000; }
.login-box { background: var(--branco); padding: 40px; border-radius: 12px; text-align: center; width: 350px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.logo-img-login { width: 150px; margin-bottom: 20px; }

input, select { width: 100%; padding: 12px; margin: 10px 0; border: 1px solid #ddd; border-radius: 6px; font-size: 16px; }

.btn-primary { width: 100%; padding: 12px; background: var(--azul-claro); color: white; border: none; border-radius: 6px; cursor: pointer; font-weight: bold; transition: 0.3s; }
.btn-primary:hover { background: #003d7a; }

/* Sidebar */
.sidebar { width: 260px; height: 100vh; background: var(--marinho); color: white; position: fixed; left: -260px; transition: 0.3s; z-index: 1000; padding-top: 60px; }
.sidebar.active { left: 0; }
.sidebar .logo-img { width: 120px; display: block; margin: 0 auto 30px; }
.sidebar ul { list-style: none; padding: 0 20px; }
.sidebar ul li { padding: 15px; cursor: pointer; border-radius: 4px; transition: 0.2s; }
.sidebar ul li:hover { background: var(--azul-claro); }

/* Menu Hambúrguer */
.menu-btn { position: fixed; top: 20px; left: 20px; cursor: pointer; z-index: 1001; padding: 10px; background: white; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
.bar { width: 25px; height: 3px; background: var(--marinho); margin: 5px 0; transition: 0.3s; }

/* Main Content */
main { padding: 80px 20px 20px; min-height: 100vh; transition: 0.3s; }
#page-title { margin-bottom: 25px; color: var(--marinho); }

.card { background: white; padding: 25px; border-radius: 10px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border: 1px solid #eee; }

.footer-dev { position: fixed; bottom: 10px; width: 100%; text-align: center; font-size: 10px; color: #999; pointer-events: none; }

/* Tabelas */
table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th { background: var(--marinho); color: white; padding: 12px; text-align: left; }
td { padding: 12px; border-bottom: 1px solid #eee; }

@media (max-width: 768px) {
    .sidebar { width: 100%; }
}